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Medtronic Inc patents (2015 archive)


Recent patent applications related to Medtronic Inc. Medtronic Inc is listed as an Agent/Assignee. Note: Medtronic Inc may have other listings under different names/spellings. We're not affiliated with Medtronic Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "M" | Medtronic Inc-related inventors


12/31/15 / #20150375006

Optical stimulation therapy

A method for delivering optical stimulation comprises transfecting a target tissue with a light-sensitive channel protein sensitive to light in a wavelength range, delivering light in the wavelength range to the target tissue via an optical stimulation device, substantially simultaneously with delivering light to the target tissue, sensing bioelectric signals, determining a patient therapeutic state based on the bioelectric signals, and adjusting the delivery of the light to the target tissue based on the sensed patient therapeutic state.. . ... Medtronic Inc

12/31/15 / #20150375002

Electrical contact for implantable medical device

A one-piece electrical contact ring for use in a lead receptacle of an implantable medical device includes (i) a tubular body defining a cavity extending through the body and (ii) a plurality of resiliently deflectable elements extending from the tubular body into the cavity. The deflectable elements have a lead contacting portion configured to contact the lead when received by the cavity. ... Medtronic Inc

12/31/15 / #20150374996

Implantable neural stimulation devices for reducing hypertension and associated methods

A method and apparatus for treatment of heart failure, hypertension and renal failure by stimulating the renal nerve. The goal of therapy is to reduce sympathetic activity of the renal nerve. ... Medtronic Inc

12/31/15 / #20150374991

Techniques for placing medical leads for electrical stimulation of nerve tissue

This disclosure is directed to extra, intra, and transvascular medical lead placement techniques for arranging medical leads and electrical stimulation and/or sensing electrodes proximate nerve tissue within a patient.. . ... Medtronic Inc

12/31/15 / #20150374974

Methods and apparatus for multi-vessel renal neuromodulation

Methods and apparatus are provided for multi-vessel neuromodulation, e.g., via a pulsed electric field. Such multi-vessel neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

12/31/15 / #20150374962

Device and method for finding the center and reading the setting of an implantable medical device

A centering tool and a combined centering-indicator tool for finding the magnetic center and indicating the setting of an implantable adjustable valve. The centering and combined centering-indicator tools include a magnetic capsule movable within a cavity to a target located on the tool when the magnetic capsule is centered over magnet of an adjustable valve.. ... Medtronic Inc

12/31/15 / #20150374665

Clonidine formulation in a polyorthoester carrier

Effective treatments of acute pain for extended periods of time are provided. The treatments include the administration of one or more drug depots at or near a target site wherein the drug depots include an effective amount of clonidine formulated within a polyorthoester. ... Medtronic Inc

12/31/15 / #20150374437

Renal neuromodulation methods and devices for treatment of polycystic kidney disease

Methods for treating polycystic kidney disease with therapeutic renal neuromodulation and associated systems and methods are disclosed herein. One aspect of the present technology is directed to methods that at least partially inhibit sympathetic neural activity in nerves proximate a renal artery of a kidney of a patient. ... Medtronic Inc

12/24/15 / #20150372336

Mandrel for electrode assemblies

A mandrel for use in a battery assembly may include a positive mandrel portion and a negative mandrel portion. Each of the mandrel portions may include a connector element coupling region and an electrode coupling region. ... Medtronic Inc

12/24/15 / #20150367598

Devices formed with techniques for bonding substrates using an intermediate layer

A method includes depositing a thin film on a first surface of a first substrate and moving a second surface of a second substrate into contact with the thin film such that the thin film is located between the first and second surfaces. The method further includes generating electromagnetic (em) radiation of a first wavelength, the first wavelength selected such that the thin film absorbs em radiation at the first wavelength. ... Medtronic Inc

12/24/15 / #20150367060

Replenishing urease in dialysis systems using urease pouches

An apparatus and method for replenishing urease in a sorbent cartridge for use in sorbent dialysis using urease pouches. The sorbent cartridge is configured to allow insertion of a urease pouch or injection of a urease solution into the sorbent cartridge containing a urease pouch. ... Medtronic Inc

12/24/15 / #20150367059

Urease introduction system for replenishing urease in a sorbent cartridge

An apparatus and method for replenishing urease in a sorbent cartridge for use in sorbent dialysis. The system is configured to allow insertion of a urease pouch, injection of a urease solution, or addition of a urease cartridge, into a dialysis cabinet containing a dialysis flow loop. ... Medtronic Inc

12/24/15 / #20150367058

Stacked sorbent assembly

A stacked sorbent assembly for use in sorbent dialysis. The stacked sorbent assembly contains two or more interchangeable sorbent pouches that allow for fluid to freely pass into and through the sorbent materials, while keeping the sorbent materials inside the sorbent pouches. ... Medtronic Inc

12/24/15 / #20150367057

Reserve zirconium phosphate module for use in sorbent dialysis

A reserve zirconium phosphate module for continuing dialysis in the event the capacity of the original zirconium phosphate module is exceeded. The sorbent cartridge can have a sensor for detecting when the capacity of the zirconium phosphate material has been exceeded, and a valve assembly for diverting the flow of spent dialysate into the reserve module when needed. ... Medtronic Inc

12/24/15 / #20150367056

Modular dialysate regeneration assembly

A customizable modular dialysate regeneration assembly with connectable sorbent packaging systems. The dialysate regeneration assembly can be customized based on patient parameters or dialysis session parameters. ... Medtronic Inc

12/24/15 / #20150367055

Method of zirconium phosphate recharging

Methods and related apparatuses for sorbent recharging are provided. The methods and related apparatuses for recharging can recharge a specific rechargeable layer of a sorbent material such as zirconium phosphate in a sorbent cartridge. ... Medtronic Inc

12/24/15 / #20150367054

Electrolyte and ph monitoring for fluid removal processes

Methods include monitoring indicators of blood ph or blood electrolyte levels during a blood fluid removal session and adjusting concentrations of ph buffers or electrolytes in dialysate or replacement fluid used during the session based on the monitored indicators. Blood fluid removal systems may employ sensors that monitor blood ph or electrolyte levels to adjust the fluid parameters during a blood fluid removal session.. ... Medtronic Inc

12/24/15 / #20150367052

Sorbent pouch

A sorbent pouch for use in sorbent dialysis. The sorbent pouch allows for fluid to freely pass into and through the sorbent materials, while keeping the sorbent materials inside the sorbent pouch.. ... Medtronic Inc

12/24/15 / #20150367051

Replenisihing urease in dialysis systems using a urease introducer

An apparatus and method for replenishing urease in a sorbent cartridge for use in sorbent dialysis. The sorbent cartridge is configured to allow an amount of urease to be added to the sorbent cartridge. ... Medtronic Inc

12/24/15 / #20150366466

Posture induced changes to physiological parameters

Methods and devices for analyzing posture-induced changes to physiological parameters of a patient (e.g., ejection time, heart rate, etc.) to provide an assessment of one or more conditions of the patient.. . ... Medtronic Inc

12/17/15 / #20150364773

Semi-solid electrolytes for batteries

Semi-solid electrolyte compositions are disclosed. The semi-solid electrolyte compositions contain a glyme or mixture of glymes, a lithium salt(s), and a polymeric complexing agent(s).. ... Medtronic Inc

12/17/15 / #20150360034

Methods for promoting intrinsic activation in single chamber implantable cardiac pacing systems

Cardiac pacing methods for an implantable single chamber pacing system, establish an offset rate for pacing at a predetermined decrement from either a baseline rate (i.e. Dictated by a rate response sensor), or an intrinsic rate. ... Medtronic Inc

12/17/15 / #20150359963

Drug infusion system and method

An actuator for an infusion drive mechanism comprises a piston defining a first axis and being movable within a passageway of the infusion drive mechanism to convey at least one infusion medium. The passageway defines a longitudinal axis. ... Medtronic Inc

12/17/15 / #20150359954

Authentication system utilized in a sorbent-based dialysis system for therapy optimization

A dialysis authentication and management system comprising at least one dialysis component having at least one authentication component affixed thereon. The dialysis component can be any one of a dialyzer, sorbent cartridge, recharger or any other dialysis component. ... Medtronic Inc

12/17/15 / #20150359631

Prosthetic valve with vortice-inducing baffle

A prosthetic valve comprising a stent frame, a valve structure, and a baffle structure. The stent frame defines a lumen. ... Medtronic Inc

12/17/15 / #20150359590

Implantable catheter-delivered neuromodulation devices and related devices, systems, and methods

An example of an implantable neuromodulation device includes a bioabsorbable electrode and an elongate bioabsorbable support structure carrying the electrode. The support structure is configured to expand in a direction perpendicular to its length so as to move the electrode into contact with a wall of a naturally occurring lumen of a human patient. ... Medtronic Inc

12/17/15 / #20150359589

Intravascular neuromodulation device having a helical therapeutic assembly with proud portions and associated methods

Catheter apparatuses, systems, and methods for achieving neuromodulation by intravascular access. A treatment device has a pre-formed helical therapeutic assembly with spaced-apart proud portions that are offset with respect to the pre-formed helical shape when in a deployed configuration. ... Medtronic Inc

12/17/15 / #20150359490

Physiological sensor history backfill system and method

A physiological sensor history backfill system and method including a method of sensor history backfill for a local base device operable to wirelessly communicate with a physiological sensor connected to a patient, the method including: obtaining physiological readings for the patient at a predetermined interval; storing the physiological readings at the physiological sensor as sensor physiological readings; storing the physiological readings at the local base device as historic physiological readings; obtaining a current physiological reading for the patient; transmitting the current physiological reading to the local base device in a current reading message; detecting a record gap in the historic physiological readings between the current physiological reading and the historic physiological readings; and filling the record gap in the historic physiological readings with sensor physiological readings from the physiological sensor when the current reading message does not include the sensor physiological readings to fill the record gap.. . ... Medtronic Inc

12/17/15 / #20150359487

Supporting catheter for use for phrenic nerve pacing

A device, system, and method for providing support to a mapping catheter during mapping or pacing and for adjusting the diameter of a distal loop portion of currently available mapping catheters. A medical device support device includes an elongate body defining a wall and an at least substantially linear proximal portion and a distal portion being transitionable between an at least substantially linear configuration and an expanded configuration, the elongate body defining a lumen extending through the proximal portion and distal portion, the lumen being entirely surrounded by the wall in the proximal portion and being partially surrounded by the wall in the distal portion. ... Medtronic Inc

12/17/15 / #20150359438

Pressure measuring catheter having reduced error from bending stresses

Bending stresses experienced by a pressure sensor mounted to a fractional flow reserve catheter when tracking the catheter through the vasculature creates a distortion of the sensor resulting in an incorrect pressure reading or bend error. In order to isolate the sensor from bending stresses, the sensor is mounted with one end coupled to the distal end of the shaft while the other end of the sensor is not coupled to the catheter so that a portion of the sensor is spaced apart from the distal end of the shaft.. ... Medtronic Inc

12/10/15 / #20150356274

Methods and systems to create and apply models that screen patients for referral to a specialist for a medical therapy

A screening tool for deciding whether to refer patients to a specialist who provides a particular medical therapy is created as a model that is trained, validated, and then applied to subject patients. The training of the model utilizes a training set of answers to the set of questions and a specialist conclusion about referral for the patients who provided the training set of answers in order to drive the model to an ideal sensitivity and an ideal specificity. ... Medtronic Inc

12/10/15 / #20150352366

Implantable medical devices including elongated conductor bodies that facilitate device and lead configuration variants

Implantable medical devices include elongated conductor bodies and related features including an attachment to the medical device at one end and a connector that receives a medical lead at the other end. The connector may have various features such as a modular design whereby the connector is constructed from a series of stacked contact modules. ... Medtronic Inc

12/10/15 / #20150352357

External stimulation therapy for dorsal genital nerve stimulation

A system including a stimulation generator configured to delivery external stimulation to control or alleviate urinary or fecal incontinence. The system may also include sense electrodes configured to sense the presence of wetness. ... Medtronic Inc

12/10/15 / #20150352353

Tine fixation components for implantable medical devices

A tine portion for an implantable medical device includes a hook segment and a distal segment terminated by a tissue-piercing tip, wherein the distal segment extends from the hook segment to the tip. The hook segment, which is elastically deformable from a pre-set curvature, has one of: a round cross-section and an elliptical cross-section, while the distal segment has a flattened, or approximately rectangular cross-section. ... Medtronic Inc

12/10/15 / #20150352316

Packaging for catheter treatment devices and associated devices, systems and methods

Packaging (5) for catheter treatment devices, such as catheters (10) including multi-electrode arrays (6), are disclosed herein. In one embodiment, for example, a catheter package assembly comprises a tray (50), a lid (80), and a coiled sheath (30) disposed in the tray. ... Medtronic Inc

12/10/15 / #20150352270

Sorbent cartridge configurations for improved dialysate regeneration

A regeneration system that has a first regeneration module containing a first chosen regenerative substance; a second regeneration module containing the first chosen regenerative substance; and a first mixing chamber. A first outlet stream of a fluid sequentially exits the first mixing chamber, flows through the first regeneration module in fluid communication with the first chosen regenerative substance and returns to the first mixing chamber, and a second outlet stream of the fluid sequentially exits the first mixing chamber and flows through the second regeneration module in fluid communication with the first chosen regenerative substance.. ... Medtronic Inc

12/10/15 / #20150352269

Electrolyte and ph monitoring for fluid removal processes

Methods include monitoring indicators of blood ph or blood electrolyte levels during a blood fluid removal session and adjusting concentrations of ph buffers or electrolytes in dialysate or replacement fluid used during the session based on the monitored indicators. Blood fluid removal systems may employ sensors that monitor blood ph or electrolyte levels to adjust the fluid parameters during a blood fluid removal session.. ... Medtronic Inc

12/10/15 / #20150351853

Cannula system and method for immobilizing an implanted catheter during catheter anchoring

Devices, systems, and methods for immobilizing an implanted catheter tip while the catheter is anchored relative to surrounding tissue. In one embodiment, a cannula system is included that incorporates a cinch tube for guiding the catheter to a target site within a body. ... Medtronic Inc

12/10/15 / #20150351833

Methods for renal neuromodulation

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft. ... Medtronic Inc

12/10/15 / #20150351824

Test fixture for an electrosurgical device

The present disclosure provides a system including a test fixture for an electrosurgical device. Embodiments of the test fixture may include a tissue carriage for mounting or loading a tissue sample thereon, a device mount for mounting a test device, a linear actuator for regulating a tissue incision or therapy speed and a force transducer for measuring a tissue incision or therapy force.. ... Medtronic Inc

12/03/15 / #20150349579

Implantable medical devices and systems having inductive telemetry and recharge on a single coil

Implantable devices and related systems utilize a single coil for both inductive telemetry at one telemetry signal frequency and recharge at another recharge energy frequency. The coil is included in a tank circuit that may have a variable reactance. ... Medtronic Inc

12/03/15 / #20150349385

Method and system for predicting useful life of a rechargeable battery

System and method for predicting the remaining useful life (rul) of a rechargeable battery, such as a lithium-ion rechargeable battery. In a method, the capacity of the battery is determined based on at least changes of state of charge values estimated at a first and second time and a net charge flow of the battery and applying a particle filter to a capacity degradation formula using the determined capacity to form a capacity degradation model and determining the rul using the capacity degradation model using a pre-defined end of service threshold. ... Medtronic Inc

12/03/15 / #20150343655

Slitter with adjustable shroud

A slitter for slitting a guide catheter has a handle and a blade assembly coupled to the handle. The blade assembly includes a shroud for receiving an elongated body of a medical device and a slitting blade having an exposed cutting edge to slit the guide catheter. ... Medtronic Inc

12/03/15 / #20150343197

Tunneling tool

A method and device for implanting a medical lead. The device includes an elongate shaft defining a major longitudinal axis and including a proximal end and a distal end. ... Medtronic Inc

12/03/15 / #20150343176

Implant tool for substernal or pericardial access

A medical device and medical method. The medical device includes a flexible elongate body defining a proximal end and a distal end. ... Medtronic Inc

12/03/15 / #20150343113

Polymeric sealant for use in mammals (as amended)

The invention provides a polymeric medical sealant for use in mammals other than humans. The medical sealant is useful for application to the tonsils, adenoids or paranasal sinus, wherein the sealant performs at least one of the following functions, a) inhibit the colonization of bacteria, b) inhibit the binding of bacteria to tissue, c) reduction of tissue morbidity, d) hemostasis, e) coating and protection of tissue during healing, f) promotion of healing, and g) reduction of pain.. ... Medtronic Inc

12/03/15 / #20150342627

Over-the-wire delivery of a substernal lead

A method for implanting a medical lead. The method includes advancing a tunneling tool posteriorly proximate the caudal end of the sternum toward a first location. ... Medtronic Inc

11/26/15 / #20150342060

Systems for encapsulating a hybrid assembly of electronic components and associated methods

During a process to encapsulate electronic components and attachment interfaces thereof on a first side of a substrate of a hybrid assembly, a fluid is supplied to a trench of an encapsulation system in which the hybrid assembly is loaded, and a balancing pressure is delivered by the fluid within the trench, during the encapsulation process, to support the hybrid assembly from an opposing second side of the substrate. A regulator of a fluid supply of the system may maintain the balancing pressure, for example, being controlled by a controller of the system that is configured to estimate a pressure within a molding cavity of the system.. ... Medtronic Inc

11/26/15 / #20150335816

Connection and alignment systems and methods

A delivery system for delivering fluidic media to a user having a second housing portion configured to be selectively operatively engaged with and disengaged from a first housing portion, the first housing portion and the second housing portion configured to be slidable relative to each other to operatively engage each other; and a fluid connector supported by one the housing portions in a position to engage a reservoir supported by an other of the housing portions in a case where the first housing portion and the second housing portion are slid relative to each other to operatively engage each other.. . ... Medtronic Inc

11/26/15 / #20150335263

Multi-electrode apposition judgment using pressure elements

Apparatus and methods for determining positioning of a energy delivery element include deploying a energy delivery element at a treatment site proximal to a vessel wall; using a multi-region pressure sensing apparatus to sense pressures applied in a plurality of directions about the energy delivery element; and determining an orientation of the energy delivery element based on the pressures measured in the plurality of directions about the energy delivery element.. . ... Medtronic Inc

11/26/15 / #20150335256

Multi-sensor patient monitor to detect impending cardiac decompensation

A system for detecting impending acute cardiac decompensation of a patient includes impedance circuitry, an activity sensor, and a processor system. The impedance circuitry measures a hydration signal of the patient, wherein the hydration signal corresponds to a tissue hydration of the patient. ... Medtronic Inc

11/19/15 / #20150331419

Glucose sensor health monitoring and related methods and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves determining one or more signal characteristics associated with a subset of the measurements corresponding to a monitoring period, determining a reliability metric for the monitoring period based on the one or more signal characteristics, and providing indication of a maintenance condition when the reliability metric violates a threshold.. ... Medtronic Inc

11/19/15 / #20150331418

Calibration factor adjustments for infusion devices and related methods and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves obtaining one or more uncalibrated measurements indicative of the physiological condition, obtaining one or more reference measurements of the physiological condition, determining a raw calibration factor based on a relationship between the one or more uncalibrated measurements and the one or more reference measurements corresponding to the respective uncalibrated measurements of the one or more uncalibrated measurements, and determining an adjusted calibration factor based at least in part on an expected calibration factor and the raw calibration factor, wherein operation of the infusion device to deliver the fluid is influenced by the adjusted calibration factor.. ... Medtronic Inc

11/19/15 / #20150328402

Adaptive signal processing for infusion devices and related methods and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device involves obtaining a filtered measurement indicative of a physiological condition of a user, determining a metric indicative of a characteristic of the filtered measurement based at least in part on one or more derivative metrics associated with the filtered measurement, and determining an output measurement indicative of the physiological condition of the user based at least in part on the filtered measurement, the metric, and a previous output measurement.. ... Medtronic Inc

11/19/15 / #20150328023

Hollow drug-filled stent and method of forming hollow drug-filled stent

A stent is formed from a wire that in cross-section includes an outer member having a lumen and a radiopaque core member partially filling the lumen. A substance for elution through openings formed through the outer member fills the portion of the lumen not filled by the radiopaque core member. ... Medtronic Inc

11/19/15 / #20150327924

Systems, devices, and methods for modulating renal nerve tissue

Methods for treating a patient using therapeutic renal neuromodulation and associated devices, system, and methods are disclosed herein. One aspect of the present technology is directed to neuromodulating nerve tissue in selected anatomical regions. ... Medtronic Inc

11/19/15 / #20150327859

Surgical fastener assembly for attaching a prosthesis

A surgical fastener assembly for attaching a prosthesis to soft tissue is provided. The surgical fastener assembly includes a continuous helical coil having a distal end and a proximal end. ... Medtronic Inc

11/12/15 / #20150321016

Acoustically triggered therapy delivery

A medical device system is configured to sense a physiological signal by a first device and generate a control signal by the first device in response to the physiological signal. An acoustical emitting device is controlled by the first device to emit an acoustical trigger signal in response to the control signal. ... Medtronic Inc

11/12/15 / #20150321015

Inductively rechargeable external energy source, charger, system and method for a transcutaneous inductive charger for an implantable medical device

A mechanism for transferring energy from an external power source to an implantable medical device is disclosed. A sensor may be used to measure a parameter that correlates to a temperature of the system that occurs during the transcutaneous coupling of energy. ... Medtronic Inc

11/12/15 / #20150321012

Optical trigger for therapy delivery

A medical device system is configured to sense a physiological signal by a first device and generate a control signal by the first device in response to the physiological signal. An optical transducer is controlled by the first device to emit an optical trigger signal in response to the control signal. ... Medtronic Inc

11/12/15 / #20150321011

Triggered pacing system

A medical device system is configured to sense physiological events by a first device and control a transducer to emit trigger signals in response to the sensed physiological events. A second device detects the trigger signals and delivers therapeutic stimulation pulses in response to the trigger signals. ... Medtronic Inc

11/12/15 / #20150320996

Method and apparatus for determining suitability of a lead implant location

Method and systems of determining adequacy of fixation of a medical lead type having a fixation helix are disclosed. The lead of the medical lead type is placed at a desired location within a patient's body and the fixation helix is screwed into tissue at that location. ... Medtronic Inc

11/12/15 / #20150320995

Electrode construction for implantable medical electrical leads

An implantable electrode for electrical stimulation of a body, for example, being a component of an implantable medical electrical lead, is preferably in the form of a coiled conductor wire, wherein the wire is formed by a tantalum (ta) core directly overlaid with a platinum-iridium (pt—ir) cladding. When a maximum thickness of the pt—ir cladding defines a cladded zone between an outer, exposed surface of the electrode and the ta core, a surface of the ta core encroaches into the cladded zone by no more than approximately 50 micro-inches. ... Medtronic Inc

11/12/15 / #20150320490

Electrode sheath for electrosurgical device

This invention provides an electrosurgical device comprising a handle, a shaft member distal to the handle, a first electrode tip and a second electrode tip at a distal end of the shaft member with the first electrode tip laterally spaced from the second electrode tip, and an electrode sheath movable to cover and uncover a side of the electrode tips while a distal end of the electrode tips is uncovered to treat tissue.. . ... Medtronic Inc

11/12/15 / #20150320475

Catheter assemblies comprising a direct heating element for renal neuromodulation and associated systems and methods

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a direct heating element configured to be delivered to a renal blood vessel. ... Medtronic Inc

11/12/15 / #20150320329

Method and system for monitoring a nerve

A nerve monitoring system facilitates monitoring an integrity of a nerve.. . ... Medtronic Inc

11/05/15 / #20150316559

Glucose sensor signal stability analysis

Disclosed are methods, apparatuses, etc. For glucose sensor signal stability analysis. ... Medtronic Inc

11/05/15 / #20150316499

Physiological characteristic sensors and methods for forming such sensors

A physiological characteristic sensor, a method for forming a physiological characteristic sensor, and a method for forming a platinum deposit having a rough surface are presented here. The method for forming a physiological characteristic sensor includes immersing a sensor electrode in a platinum electrolytic bath. ... Medtronic Inc

11/05/15 / #20150315644

Methods and compositions for scd, crt, crt-d, or sca therapy identification and/or selection

Compositions, polynucleotides, probes, kits, methods, computer systems, treatment methods and genetic markers useful for assessing the risk of sudden cardiac death (scd), sudden cardiac arrest (sca), ventricular arrhythmia (va), or heart failure (hf) are provided herein. The compositions, polynucleotides, probes, kits, methods, computer systems, treatment methods and genetic markers of the invention can provide patients selection for those that can be treated with an icd or crt-d based on assessing the presence of one or more single nucleotide polymorphisms (snps) associated with any one of sudden cardiac death (scd), sudden cardiac arrest (sca), ventricular arrhythmia (va), or heart failure (hf), and can indicate treatment with certain drugs such as beta-blockers.. ... Medtronic Inc

11/05/15 / #20150314130

Fault tolerant implantable medical system

The disclosure describes implantable medical systems that respond to occurrence of a lead-related condition by utilizing an elongated coil electrode in defining an alternative pacing therapy vector to maintain optimal drain of an imd power supply. An exemplary system includes a medical electrical lead having an elongated electrode and an improved sensing and therapy delivery circuitry to provide the alternative pacing therapy vector responsive to the lead-related conditions. ... Medtronic Inc

11/05/15 / #20150314127

Methods for catheter-based renal neuromodulation

Methods and apparatus are provided for monopolar neuromodulation, e.g., via a pulsed electric field. Such monopolar neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

11/05/15 / #20150314068

Detecting blockage of a reservoir cavity during a seating operation of a fluid infusion device

A fluid infusion device and related operating methods are presented here. An exemplary embodiment of the device includes a drive motor assembly, a force sensor associated with the drive motor assembly, and a reservoir cavity that accommodates fluid reservoirs. ... Medtronic Inc

11/05/15 / #20150313795

Automated filling systems and methods

Various embodiments of the present invention are directed to transferring fluidic media from a vial to a reservoir. In various embodiments, fluidic media may be transferred from the vial to the reservoir by moving a housing portion to move a plunger head located in the reservoir to draw fluidic media from the vial to the reservoir. ... Medtronic Inc

11/05/15 / #20150313710

Valve prosthesis

Heart valve prostheses are provided having a self-expanding frame that supports a valve body comprising a skirt and a plurality of coapting leaflets. The leaflets are constructed with four commissure points to reduce the stress and strain applied to the commissure points and to efficiently distribute and transmit forces along the leaflets and to the frame.. ... Medtronic Inc

10/29/15 / #20150311532

Batteries and cathodes containing carbon nanotubes

Cathodes containing active materials and carbon nanotubes are described. The use of carbon nanotubes in cathode materials can provide a battery having increased longevity and volumetric capacity over batteries that contain a cathode that uses conventional conductive additives such as carbon black or graphite.. ... Medtronic Inc

10/29/15 / #20150306806

Methods of dimensionally stabilizing a lumen of a multi-lumen device during manufacture

A method of dimensionally stabilizing a lumen of a multi-lumen device during manufacture wherein one or more minor lumens may contain a fluid that maintains patency of the one or more minor lumens without the need for a solid core within. The at least one second lumen tube may be in fluid communication with a fluid source during the manufacturing process, such as during extrusion and/or mesh overlay steps. ... Medtronic Inc

10/29/15 / #20150306805

Methods of manufacturing a multi-lumen device

A method and system for manufacturing a multi-lumen device that includes extruding a first layer of material to form an elongate body with a first lumen and a second lumen, the elongate body having a length of at least 100 feet, depositing a mesh layer over the first layer of material along the entire length of the elongate body, and extruding a second layer of material over the mesh layer along at least a portion of the length of the elongate body. The length of at least 100 feet may be considered a first length, the method further comprising cutting the elongate body into a plurality of shortened elongate bodies having a usable length, such as between approximately two feet and approximately six feet.. ... Medtronic Inc

10/29/15 / #20150306415

Implantable device with optical lead

An implantable active medical device system includes an active medical device and a lead extending between a proximal portion electrically coupled to the active medical device and a distal end portion configured to emit light. The distal end portion includes a solid state light source disposed within a light transmissive ring element. ... Medtronic Inc

10/29/15 / #20150306414

Implantable device with optical lead connector

An implantable active medical device includes a housing defining a hermetic cavity, a lead connector receptacle extending into the implantable active medical device, and a solid state light source disposed within the hermetic cavity and optically coupled to the lead connector receptacle.. . ... Medtronic Inc

10/29/15 / #20150306410

Implantable extravascular electrical stimulation lead having improved sensing and pacing capability

Implantable medical electrical leads having electrodes arranged such that a defibrillation coil electrode and a pace/sense electrode(s) are concurrently positioned substantially over the ventricle when implanted as described. The leads include an elongated lead body having a distal portion and a proximal end, a connector at the proximal end of the lead body, a defibrillation electrode located along the distal portion of the lead body, wherein the defibrillation electrode includes a first electrode segment and a second electrode segment proximal to the first electrode segment by a distance. ... Medtronic Inc

10/29/15 / #20150306408

Method and apparatus for adjusting a blanking period during transitioning between operating states in a medical device

A method and medical device for adjusting a blanking period that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a plurality of sensing vectors, determining whether to adjust a blanking period during a first operating state, advancing from the first operating state to a second operating state in response to the sensed cardiac signals, determining, while in the second operating state, whether the blanking period was adjusted while in the first operating state, and adjusting the blanking period while in the second operating state in response to the blanking period being adjusted while in the first operating state.. . ... Medtronic Inc

10/29/15 / #20150306407

Therapy delivery methods and circuits for an implantable medical device

Techniques are disclosed for modulating the generation of charge current by operational circuitry included in an implantable medical device (imd) for delivery of an induction stimulation pulse waveform by the imd. The modulation may include modulating a charging circuit of the operational circuitry to facilitate the regulation of the induction stimulation pulse waveform. ... Medtronic Inc

10/29/15 / #20150306406

Therapy delivery methods and circuits for an implantable medical device

Apparatus and methods for generating an induction waveform for performing threshold testing in an implantable medical device are disclosed. Such tests may be performed during the implant procedure, or during a device checkup procedure, or routinely during the lifetime of the device. ... Medtronic Inc

10/29/15 / #20150306404

Methods, devices, and systems for communicating with an implantable medical device of a last far field communication session during a subsequent far field communication session while using a same session key

An external device transfers a key to an implantable medical device over a proximity communication and then establishes a first far field communication session with the implantable medical device where the key is used for the first communication session. This first communication session may occur before implantation while the implantable medical device is positioned outside of the sterile field so that using a proximity communication is easily achieved. ... Medtronic Inc

10/29/15 / #20150306402

Down the bore with open windows and manufacturing thereof

An implantable medical device connector assembly and method of manufacture include a molded, insulative shell having an inner surface forming a connector bore, a circuit member including one or more traces extending through apertures in the connector shell. One or more conductive members, positioned along the connector bore, are electrically coupled to the traces. ... Medtronic Inc

10/29/15 / #20150306401

Method and apparatus for detecting loss of capture

A method and apparatus for determining stability of a patient's intrinsic rhythm in a cardiac pacing device. Cardiac pacing pulses are delivering to a chamber of a patient's heart by the pacing device at a first pulse amplitude. ... Medtronic Inc

10/29/15 / #20150306391

Deep brain stimulation for sleep disorders

In some examples, a medical device delivers electrical stimulation to the external portion of the globus pallidus of a brain of a patient in order to treat a sleep impairment of the patient. In some examples, the electrical stimulation may be delivered via one or more electrodes implanted in the gpe of the brain. ... Medtronic Inc

10/29/15 / #20150306383

Overvoltage protection circuitry

Overvoltage protection circuitry configured to protect internal integrated circuits within an implantable device in the presence of a high voltage event such as defibrillation or electrocautery. The circuitry allows for an internal node to rise above the voltage level of the high voltage event to insure that an overvoltage protection element is triggered, even if the voltage level of the high voltage event is below the voltage trigger level of the overvoltage protection element.. ... Medtronic Inc

10/29/15 / #20150306382

Implantable medical leads having high frequency shunts that include a conductive interconnect

Implantable medical leads include a conductive interconnect within a high frequency shunt that dissipates high frequency current. The conductive interconnect provides an elasticity that allows a drive shaft to rotate and translate during implantation of the lead while the conductive interconnect maintains physical contact with the drive shaft and with a shunt electrode before, during, and after the implantation. ... Medtronic Inc

10/29/15 / #20150306380

Active fixation medical electrical lead

A medical electrical lead and a method of its use. The lead has an elongated lead body having an outer circumference and provided with an electrode. ... Medtronic Inc

10/29/15 / #20150306376

Pre-molded sub-assemblies for implantable medical leads

Pre-molded cylindrical sub-assemblies for inclusion in an implantable medical lead are described. The pre-molded cylindrical sub-assemblies comprise a cylindrical conductive element formed from a conductive material to define a substantially continuous interior surface and a substantially continuous exterior surface, and an insulative element formed from an insulative material molded onto the interior surface of the cylindrical conductive element. ... Medtronic Inc

10/29/15 / #20150306375

Implantable extravascular electrical stimulation lead having improved sensing and pacing capability

Implantable medical electrical leads having electrodes arranged such that a defibrillation coil electrode and a pace/sense electrode(s) are concurrently positioned substantially over the ventricle when implanted are described. The leads include an elongated lead body having a distal portion and a proximal end, a connector at the proximal end of the lead body, a defibrillation electrode located along the distal portion of the lead body, wherein the defibrillation electrode includes a first segment and a second segment proximal to the first segment by a distance, a first electrical conductor extending from the proximal end of the lead body and electrically coupling to the first segment and the second segment of the defibrillation electrode, and at least one pace/sense electrode located between the first segment and the second segment of the defibrillation electrode.. ... Medtronic Inc

10/29/15 / #20150306374

Implantable medical devices, systems and components thereof

An implantable medical therapy delivery device includes a non-conductive filament extending along a length of an outer surface of an insulative body of the device, wherein the filament includes a plurality of fixation projections and is secured to the outer surface of the insulative body such that the projections protrude outward from the outer surface and are spaced apart from one another along the length of the outer surface. The filament may be wound about the length with an open pitch. ... Medtronic Inc

10/29/15 / #20150306358

Control module for delivery systems

A guidewire is coupled to a control module and extends through a lumen of the control module. The control module operates to transition between a first control state wherein the control module allows movement of the guidewire relative to a catheter and a second control state wherein relative axial movement between the catheter and guidewire is prevented.. ... Medtronic Inc

10/29/15 / #20150306343

Multi-lumen device with non collapsable minor lumen

A method of producing a multi-lumen elongate body for a medical device. Unlike known methods requiring a solid core of material inserted into each lumen to maintain patency of the lumens during manufacture, the present method obviates the need for a solid core within one or more minor lumens, which saves cost and production complexity. ... Medtronic Inc

10/29/15 / #20150306312

Infusion devices and related methods and systems for regulating insulin on board

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves determining a current amount of active fluid in the body of the user, determining a threshold amount of active fluid in the body of the user, and automatically altering operation of the infusion device to modify delivery of the fluid to the user based on a relationship between the current amount and the threshold amount.. ... Medtronic Inc

10/29/15 / #20150306292

Detachable module for recharging sorbent materials with optional bypass

A detachable module for optionally recharging sorbent materials, including zirconium phosphate, with an optional bypass and conduits for a sorbent cartridge. The sorbent cartridge can have one or more modules contained therein having connectors connecting each of the modules. ... Medtronic Inc

10/29/15 / #20150305958

Tissue compression device with fixation and tension straps

Tissue compression devices with a combination of fixation and tension straps and methods of using the same are described herein. The tissue compression devices include a combination of fixation and tension straps that are used together to fix or attach the tissue compression device over selected tissue at a selected location on a patient and to apply pressure to the selected tissue. ... Medtronic Inc

10/29/15 / #20150305902

Delivery system for a retractable outer sheath

A delivery system for delivering a prosthesis includes a sheath, a slide shaft having a threaded outer surface, and a handle. The handle includes an internal spring assembly for selectively engaging and disengaging the handle with the threaded outer surface of the slide shaft. ... Medtronic Inc

10/29/15 / #20150305860

Paravalvular leak resistant prosthetic heart valve system

A paravalvular leak resistant prosthetic heart valve system including a stent frame, a valve structure and a sealing mechanism. The stent frame has a surface. ... Medtronic Inc

10/29/15 / #20150305808

Devices, systems, and methods for monitoring and/or controlling deployment of a neuromodulation element within a body lumen and related technology

The present disclosure relates to devices, systems and methods providing evaluation and feedback to an operator of a device providing neuromodulation treatment, such as modulation of renal nerves of a human patient. In one embodiment, for example, a system monitors parameters or values generated before treatment. ... Medtronic Inc

10/29/15 / #20150305807

Neuromodulation catheters having braided shafts and associated systems and methods

Methods for treating a patient using therapeutic renal neuromodulation and associated devices, systems, and methods are disclosed herein. One aspect of the present technology, for example, is directed to a catheter apparatus including an elongated shaft defined by a braid embedded within a polymer. ... Medtronic Inc

10/29/15 / #20150305751

Tissue compression device with deflecting pressure element

Tissue compression devices with deflecting pressure elements and methods of using the same are described herein. The tissue compression devices include a pressure element and a retention structure attached to the pressure element. ... Medtronic Inc

10/29/15 / #20150305695

Guidance system for localization and cannulation of the coronary sinus

A high contrast instrument, such as a radiopaque portion, can be captured and/or viewed in an image that is acquired with an imaging system, such as with a fluoroscopic imaging system. A statistical model can be used to assist in identifying a possible or probable location of a target. ... Medtronic Inc

10/29/15 / #20150305642

Pace pulse detector for an implantable medical device

In situations in which an implantable medical device (e.g., a subcutaneous icd) is co-implanted with a leadless pacing device (lpd), it may be important that the subcutaneous icd knows when the lpd is delivering pacing, such as anti-tachycardia pacing (atp). Techniques are described herein for detecting, with the icd and based on the sensed electrical signal, pacing pulses and adjusting operation to account for the detected pulses, e.g., blanking the sensed electrical signal or modifying a tachyarrhythmia detection algorithm. ... Medtronic Inc

10/29/15 / #20150305641

Implantable cardioverter-defibrillator (icd) tachyarrhythmia detection modifications responsive to detected pacing

An implantable medical device comprises a sensing module configured to obtain electrical signals from one or more electrodes and a control module configured to process the electrical signals from the sensing module in accordance with a tachyarrhythmia detection algorithm to monitor for a tachyarrhythmia. The control module detects initiation of a pacing train delivered by a second implantable medical device, determines a type of the detected pacing train, and modifies the tachyarrhythmia detection algorithm based on the type of the detected pacing train.. ... Medtronic Inc

10/29/15 / #20150305640

Implantable medical device (imd) sensing modifications responsive to detected pacing pulses

In situations in which an implantable medical device (imd) (e.g., an extravascular icd) is co-implanted with a leadless pacing device (lpd), it may be important that the imd knows when the lpd is delivering pacing, such as anti-tachycardia pacing (atp). Techniques are described herein for detecting, with the imd and based on the sensed electrical signal, pacing pulses and adjusting operation to account for the detected pulses, e.g., blanking the sensed electrical signal or modifying a tachyarrhythmia detection algorithm. ... Medtronic Inc

10/29/15 / #20150305639

Method and apparatus for adjusting a blanking period for selecting a sensing vector configuration in a medical device

A method and medical device for determining sensing vectors that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a plurality of sensing vectors, setting a blanking period and a blanking period adjustment window for the plurality of sensing vectors in response to the sensed cardiac signals, determining first signal differences during the blanking period adjustment window, and adjusting the blanking period in response to the determined first signal differences.. . ... Medtronic Inc

10/29/15 / #20150305638

Method and apparatus for selecting a sensing vector configuration in a medical device

A method and medical device for determining sensing vectors that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a plurality of sensing vectors, determining a sensing vector metric in response to the sensed cardiac signals, determining a morphology metric associated with a morphology of the sensed cardiac signals, determining vector selection metrics in response to the determined sensing vector metric and the determined morphology setting, and selecting a sensing vector of the plurality of sensing vectors in response to the determined vector selection metrics.. . ... Medtronic Inc

10/29/15 / #20150305637

Method and apparatus for selecting a sensing vector configuration in a medical device

A method and medical device for determining sensing vectors that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a plurality of sensing vectors, determining signal differences during a detection window in each of the plurality of sensing vectors, ranking sensing vectors of the plurality of sensing vectors in response to the determined signal differences, and selecting one or more sensing vectors of the plurality of sensing vectors in response to the determined rankings.. . ... Medtronic Inc

10/29/15 / #20150305633

Catheter with inner surface pressure sensor for providing a vascular pressure measurement for determining fractional flow reserve

A catheter includes an elongate shaft including a proximal portion and a distal portion extending from the proximal portion to a distal opening at a distal end of the shaft. The proximal portion defines a proximal guidewire lumen and has a first outer diameter. ... Medtronic Inc

10/29/15 / #20150305631

Real-time relationship between geometries of an instrument and a structure

A system is disclosed for illustrating a geometry of a structure and a geometry of an instrument. The system can implement a set of instructions to assist in determining an appropriateness of positioning a selected instrument at a location. ... Medtronic Inc

10/22/15 / #20150303712

Methods, implantable medical devices, and systems that abort a high voltage charge when a transformer is impaired

High voltage charging is aborted when it is detected that a transformer providing the high voltage charge is impaired and is providing an impedance that is too low. In one instance, a voltage for a battery that provides power to the transformer is measured when the battery is substantially unloaded and a voltage is later measured when the battery is loaded during the high voltage charge. ... Medtronic Inc

10/22/15 / #20150302178

System for using patient data combined with database data to predict and report outcomes

A system and associated method receives, by a database coupled to a communication network, patient medical data from multiple data sources including data retrieved from implantable medical devices implanted in patients. A processor accesses the database to generate a dataset from the medical data having at least one data characteristic matching a corresponding data characteristic of a patient group of at least one patient. ... Medtronic Inc

10/22/15 / #20150300969

Nonlinear mapping technique for a physiological characteristic sensor

A method of measuring blood glucose of a patient is presented here. In accordance with certain embodiments, the method applies a constant voltage potential to a glucose sensor and obtains a constant potential sensor current from the glucose sensor, wherein the constant potential sensor current is generated in response to applying the constant voltage potential to the glucose sensor. ... Medtronic Inc

10/22/15 / #20150298234

Systems and methods for bonding an implantable medical device

Techniques and tools for bonding components of an implantable medical device are disclosed. Such techniques may be implemented to bond components of a battery of the implantable medical device that may include a cover, a case, an electrode assembly and a feedthrough pin for forming one of the anode or cathode terminals. ... Medtronic Inc

10/22/15 / #20150297907

Method and apparatus for verifying discriminating of tachycardia events in a medical device having dual sensing vectors

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector sensing a first interval and a second sensing vector simultaneously sensing a second, determining, for each of the first interval and the second interval, whether each beat of the plurality of beats is one of a match beat and a non-match beat, determining whether each beat of the plurality of beats is one of a high confidence beat and a low confidence beat, determining, for each of the first interval and the second interval, the number of beats determined to be both a non-match beat and a high confidence beat is greater than a non-match threshold, and determining whether to deliver therapy for the cardiac event in response to identifying of each of the first interval and the second interval as being one of shockable and not shockable.. . ... Medtronic Inc

10/22/15 / #20150297905

Systems and methods for leadless pacing and shock therapy

Techniques and systems for monitoring cardiac arrhythmias and delivering electrical stimulation therapy using a subcutaneous implantable cardioverter defibrillator (sicd) and a leadless pacing device (lpd) are described. For example, the sicd may detect a tachyarrhythmia within a first electrical signal from a heart and determine, based on the tachyarrhythmia, to deliver anti-tachyarrhythmia shock therapy to the patient to treat the detected arrhythmia. ... Medtronic Inc

10/22/15 / #20150297898

Power source for an implantable medical device

A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing includes a cover and a case. ... Medtronic Inc

10/22/15 / #20150297897

Novel shield forming to facilitate tight radius at weld seam using progressive stamping

A method for manufacturing a medical device housing includes deforming an inner surface of a shield member to produce a seam area along the inner surface. The shield member has an inner surface and an outer surface spaced apart by a shield thickness. ... Medtronic Inc

10/22/15 / #20150297886

Implantable medical leads, systems, and related methods for creating a high impedance within a conduction path in the presence of a magnetic field of a given strength

Implantable medical systems include implantable medical leads that have magnetic orientation-independent magnetically actuated switches that are placed in the conduction path to the electrode of the lead. Thus, regardless of the orientation of a substantial magnetic field like that from an mri machine to the lead and switch within the lead, the switch opens when in the presence of that substantial magnetic field. ... Medtronic Inc

10/22/15 / #20150297822

Glucose sensor product

A glucose sensor product maintains the sterility of the glucose sensor while allowing gaseous manufacturing by-products to be vented from the inside of the glucose sensor package. An exemplary glucose sensor product includes a plastic package tray and a glucose sensor assembly in the plastic package tray. ... Medtronic Inc

10/22/15 / #20150297803

Bioerodible stent

A bioerodible stent includes an inner member of a first biocompatible metal, an intermediate member of a second biocompatible metal, and an outer member of a third biocompatible metal. The first biocompatible metal, second biocompatible metal, and third biocompatible member are selected such that galvanic corrosion occurs between the members. ... Medtronic Inc

10/22/15 / #20150297346

Hinged transcatheter prosthetic heart valve delivery system

A machined or molded hinge design, for use with a delivery device, which allows for controlled deflection of a large diameter catheter. With embodiments in which the delivery device is employed to implant a prosthetic heart valve, deflection of the catheter allows for central alignment of the delivery system in the native annulus during deployment of the bioprosthesis.. ... Medtronic Inc

10/22/15 / #20150297284

Fluid-assisted medical devices, systems and methods

Surgical devices, systems and methods for treating tissue are provided. Also provided are systems for treating tissue and methods of treating tissue. ... Medtronic Inc

10/22/15 / #20150297282

Generator assemblies for neuromodulation therapy and associated systems and methods

Generator assemblies and systems for neuromodulation therapies are disclosed herein. A generator system configured in accordance with a particular embodiment of the present technology can include a stand assembly, a generator assembly carried by the stand assembly, and a display operably coupled to the generator assembly. ... Medtronic Inc

10/22/15 / #20150297243

Surgical burs with decoupled rake surfaces and corresponding axial and radial rake angles

A surgical bur including flutes and lands. Each of the flutes includes a cutting edge, rake surfaces and a clearance surface. ... Medtronic Inc

10/01/15 / #20150279491

Nuclear radiation particle power converter

Various embodiments of a nuclear radiation particle power converter and method of forming such power converter are disclosed. In one or more embodiments, the power converter can include first and second electrodes, a three-dimensional current collector disposed between the first and second electrodes and electrically coupled to the first electrode, and a charge carrier separator disposed on at least a portion of a surface of the three-dimensional current collector. ... Medtronic Inc

10/01/15 / #20150275384

Auxiliary electrode for lithium-ion battery

An auxiliary electrode for a lithium-ion battery includes a lithium source material. The auxiliary electrode is configured to selectively couple to a negative electrode of a lithium-ion battery to provide lithium for formation of a solid-electrolyte-inter-phase layer on a negative electrode.. ... Medtronic Inc

10/01/15 / #20150273229

Method and apparatus for discriminating tachycardia events in a medical device

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector and a second sensing vector, determining, in response to the cardiac event being identified as a shockable event, a first r-wave morphology corresponding to r-waves of a next interval subsequently sensed along the first sensing vector during the predetermined sensing window and a second r-wave morphology corresponding to r-waves of a next interval subsequently sensed along the second sensing vector, determining whether the next interval subsequently sensed along the first sensing vector and the next interval subsequently sensed along the second sensing vector satisfy a morphology metric, and identifying the cardiac event as one of a monomorphic ventricular tachycardia and a polymorphic ventricular tachycardia in response to the determined first r-wave morphology, second r-wave morphology, and the next interval subsequently sensed along the first sensing vector and the next interval subsequently sensed along the second sensing vector not satisfying the morphology metric.. . ... Medtronic Inc

10/01/15 / #20150273228

Method and apparatus for discriminating tachycardia events in a medical device

A method and medical for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector and a second sensing vector, determining, during first processing of a first interval sensed along the first sensing vector during a predetermined sensing window and a second interval sensed along the second sensing vector during the predetermined sensing window, whether one or both of the first interval and the second interval is within one of a ventricular tachycardia shock zone and a ventricular fibrillation shock zone, identifying the cardiac event as a shockable event in response to one or both of the first interval and the second interval determined as being within the ventricular tachycardia shock zone, identifying the cardiac event as a shockable event in response to both of the first interval and the second interval determined as being within the ventricular fibrillation shock zone, and determining whether to confirm the cardiac event being identified as a shockable event in response to the identifying.. . ... Medtronic Inc

10/01/15 / #20150273227

Method and apparatus for discriminating tachycardia events in a medical device

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes, the plurality of electrodes forming a first sensing vector and a second sensing vector, identifying the cardiac event as one of a shockable event and a non-shockable event in response to first processing of a first interval sensed along the first sensing vector during a predetermined sensing window and a second interval simultaneously sensed along the second sensing vector, performing second processing of the first interval and the second interval, different from the first processing, in response to the cardiac event being identified as a shockable event, and determining whether to delay identifying the cardiac event being shockable in response to the second processing of the first interval and the second interval.. . ... Medtronic Inc

10/01/15 / #20150273212

Interventional medical systems, tools, and associated methods

A tool of an interventional medical systems system includes a core configured to be temporarily attached to the implantable medical device, as the tool deploys the device to expose a fixation member of the device for engagement with tissue at a target implant site; the core is then employed to verify adequate fixation of the deployed device via a tug test. An operator determines that the device is adequately fixed by the engaged fixation member, if a tug force that is applied to the core modifies the temporary attachment between the core and the device, to allow release of the device from the temporary attachment. ... Medtronic Inc

10/01/15 / #20150273207

Interventional medical systems, tools, and subassemblies

A tether subassembly, which may be employed by a tool that deploys an implantable medical device, includes a test segment for verification of adequate fixation of the device at an implant site. When the device is located in proximity to a distal opening of the tube, a tether first length extends through an attachment structure of the device and within an elongate tube of the tool, a tether second length extends alongside the tether first length within the tube, and the test segment is located in proximity to the distal opening. ... Medtronic Inc

10/01/15 / #20150272759

Stent-graft delivery system having handle mechanism for two-stage tip release

A delivery system for a stent-graft is disclosed having a tip capture device and a tip release handle mechanism configured to actuate the tip capture device. The tip release handle mechanism includes a rotatable grip component and a tip release actuation component. ... Medtronic Inc

10/01/15 / #20150272731

System and method of stepped deployment of prosthetic heart valve

A system for replacing a heart valve of a patient. The system includes a delivery device and a prosthetic heart valve. ... Medtronic Inc

10/01/15 / #20150272655

Controlled rf energy in a multi-electrode catheter

A system and method for preventing unintended tissue damage from the delivery of unintended bipolar radiofrequency energy. The system may include a multi-electrode ablation device and an rf delivery unit. ... Medtronic Inc

10/01/15 / #20150272608

Powered surgical handpiece having a surgical tool with an rfid tag

A powered surgical handpiece includes a housing comprising a motor, and a surgical tool removably coupled to the housing and configured to be driven by the motor. The surgical tool includes a radio frequency identification (rfid) tag. ... Medtronic Inc

10/01/15 / #20150272486

Glucose sensor signal reliability analysis

Disclosed are methods, apparatuses, etc. For glucose sensor signal reliability analysis.. ... Medtronic Inc

10/01/15 / #20150272460

Method and apparatus for detecting arrhythmias in a subcutaneous medical device

A method and system for use with an implantable medical device for subcutaneous implant within a patient to determine a likelihood of the patient experiencing a cardiac event that includes sensing a cardiac signal along a plurality of different sensing vectors, determining state information of each vector of the plurality of sensing vectors, determining a cross correlation of the determined state information of each vector of the plurality of sensing vectors, comparing the cross correlation of the determined state information of each vector of the plurality of sensing vectors to a threshold, and detecting the cardiac event in response to the comparing.. . ... Medtronic Inc

09/24/15 / #20150267698

Medication pump test device and method of use

A medication pump test device and method of use including a test device for use with a medication pump and a depth indicator, the test device including: an external body portion defining a depth indicator recess operable to receive the fixed portion of the depth indicator; an internal body portion attached to the external body portion, the internal body portion defining a slide spindle passage operable to allow free axial movement of the slide spindle of the depth indicator. The test device maintains the fixed portion of the depth indicator at a fixed axial position along the central axis relative to the medication pump when the fixed portion of the depth indicator is seated in the depth indicator recess, the external contact portion contacts the medication pump, and the internal body portion is seated in the open end of the reservoir compartment.. ... Medtronic Inc

09/24/15 / #20150265840

Non-invasive detection of phrenic nerve stimulation

Systems, methods, and graphical user interfaces are described herein for non-invasively detecting phrenic nerve stimulation during cardiac pacing therapy. Phrenic nerve stimulation information may be generated for one or more electrical pacing vectors at one or more power configurations. ... Medtronic Inc

09/24/15 / #20150265812

Balloon design to reduce distal length

A device and system for thermally affecting tissue that includes a balloon catheter with a reduced distal length for ease of navigation and that also includes a balloon that is more resistant to bursting and delamination. The balloon may include a proximal neck generally attached to an elongate body and a distal neck generally attached to a shaft disposed within the elongate body. ... Medtronic Inc

09/24/15 / #20150265768

Fluid infusion patch pump device with automatic fluid system priming feature

A fluid infusion device and related operating methods are disclosed. The fluid infusion device has a housing, a fluid pump mechanism having an inlet and an outlet, a first flow path in fluid communication with the inlet and at least partially defined by structure compatible with fluid cartridge modules containing medication fluid, a second flow path in fluid communication with the outlet and terminating at a subcutaneous conduit for a body, and a drive motor that actuates the pump mechanism. ... Medtronic Inc

09/24/15 / #20150265767

Fluid infusion patch pump device with automatic startup feature

A fluid infusion device and related operating methods are disclosed. The fluid infusion device has a housing, a fluid pump mechanism, a transcutaneous conduit assembly having a fluid conduit coupled to the pump mechanism, and an insertion mechanism for inserting the conduit into the body. ... Medtronic Inc

09/24/15 / #20150265765

Transcutaneous conduit insertion mechanism with a living hinge for use with a fluid infusion patch pump device

A fluid infusion device and an insertion mechanism are disclosed. The insertion mechanism actuates an assembly having a fluid conduit and a needle. ... Medtronic Inc

09/24/15 / #20150265337

Electrosurgical cutting instrument

An electrosurgical device having a tubular outer shaft and an inner shaft is disclosed. The tubular outer shaft includes an axis and a distal end region. ... Medtronic Inc

09/24/15 / #20150265329

Shape changing ablation balloon

A device, method, and system for thermally affecting tissue. The device may generally include an elongate body, an actuation element slidably disposed within the elongate body, a balloon defining an interior chamber, a proximal neck, and a distal neck, the first neck being coupled to the distal portion of the elongate body and the second neck being coupled to the distal portion of the actuation element, retraction of the actuation element within the elongate body causing the treatment element to transition from a first configuration to a second configuration. ... Medtronic Inc

09/24/15 / #20150265271

Method and apparatus for forming a suture connector in situ

A system for forming a suture connector in situ includes a suture connector placement device having a handle, an outer shaft, an intermediate shaft, and a push rod, and a suture connector having a sleeve and a plug. The intermediate shaft is slidingly disposed through a lumen of the outer shaft, and the push rod is slidingly disposed through a lumen of the intermediate shaft. ... Medtronic Inc

09/24/15 / #20150265207

Sleep stage detection

Therapy delivery to a patient may be controlled based on a determined sleep stage of the patient. In examples, the sleep stage may be determined based on a frequency characteristic of a biosignal indicative of brain activity of the patient. ... Medtronic Inc

09/17/15 / #20150263561

Power control techniques for an electronic device

A portable electronic device, such as a fluid infusion device, obtains its operating power from a primary battery and a secondary battery. The primary battery may be a replaceable battery, and the secondary battery may be a rechargeable battery that can be charged with the primary battery under certain conditions. ... Medtronic Inc

09/17/15 / #20150263392

Charging process for lithium-ion batteries

A method for producing a battery includes providing a battery having a positive electrode, a negative electrode, and an electrolyte that includes a solvent and a salt. The capacity of the negative electrode is less than that of the positive electrode and the negative electrode includes an active material having an average potential versus a lithium reference electrode of greater than approximately 0.2 volts. ... Medtronic Inc

09/17/15 / #20150258335

Discontinuous conductive filler polymer-matrix composites for electromagnetic shielding

A medical electrical lead having a conductor assembly covered by an insulating layer, and a shield covering positioned adjacent or proximate to at least a portion of the insulating layer in order to shield the conductor assembly from one or more electromagnetic fields. The shield covering is formed of a polymer-matrix composite. ... Medtronic Inc

09/17/15 / #20150258268

Multi-staged filtration system for blood fluid removal

A device includes (i) a housing defining an interior, wherein the interior has a blood compartment, a plasma compartment, and a fluid compartment; (ii) a first filter disposed in the interior of the housing, and (iii) a second filter disposed in the interior of the housing. The first filter separates at least a portion of the blood compartment from at least a portion of the plasma compartment. ... Medtronic Inc

09/17/15 / #20150257825

Low profile catheter assemblies and associated systems and methods

Catheters including elements configured to deliver energy to nerves at or near a treatment location within a body lumen. A treatment assembly is transformable between a low-profile delivery configuration wherein a pair of electrodes are in a staggered arrangement relative to each other along the longitudinal axis, and an expanded deployed configuration wherein the pair of electrodes is aligned along an electrode axis that is orthogonal relative to the longitudinal axis.. ... Medtronic Inc

09/17/15 / #20150257824

Catheters with independent radial-expansion members and associated devices, systems, and methods

A neuromodulation catheter includes an elongate shaft and a neuromodulation element operably connected to the shaft. The neuromodulation element includes an elongate support member and a plurality of bow springs operably connected to the support member. ... Medtronic Inc

09/17/15 / #20150257815

Devices, systems and methods for evaluation and feedback of neuromodulation treatment

The present disclosure relates to devices, systems and methods for evaluating the success of a treatment applied to tissue in a patient, such as a radio frequency ablative treatment used to neuromodulate nerves associated with the renal artery. A system monitors parameters or values generated during the course of a treatment. ... Medtronic Inc

09/17/15 / #20150257774

Aspiration catheters for thrombus removal

Systems for less invasive medical procedures comprise a filter device mounted on an integrated guiding structure and an aspiration catheter. These components can be used together or separately, and the system can be used with other medical devices that are designed for less invasive procedures, such as procedures in a patient's vasculature. ... Medtronic Inc

09/10/15 / #20150251798

Package for a medical device

A package includes a box having an interior volume and a first pocket disposed at a first corner of the box. The first pocket includes a lip configured for a finger of a user to be inserted therein for removal of the package from a storage unit.. ... Medtronic Inc

09/10/15 / #20150251162

Zirconium phosphate recharging method and appartus

Methods and related apparatuses for sorbent recharging are provided. The methods and related apparatuses for recharging can recharge a specific rechargeable layer or module of a sorbent material such as zirconium phosphate in a sorbent cartridge. ... Medtronic Inc

09/10/15 / #20150251161

Method and apparatus for zirconium oxide recharging

Methods and related apparatuses for sorbent recharging are provided. The methods and related apparatuses for recharging can recharge a specific rechargeable layer of a sorbent material such as zirconium oxide and/or zirconium phosphate in a sorbent cartridge. ... Medtronic Inc

09/10/15 / #20150251012

Shock therapy for monomorphic detected ventricular tachycardia

An implantable medical device system detects and treats monomorphic ventricular tachycardia (vt). The system includes a sensing module for receiving a cardiac signal and a therapy delivery module including a capacitor and an output circuit. ... Medtronic Inc

09/10/15 / #20150251010

Implantable medical device having power supply for generating a regulated power supply

A device for generating a plurality of output voltages from a single input energy supply source is described. The device includes a switched capacitor voltage converter that provides each of the output voltages having different supply ratios. ... Medtronic Inc

09/10/15 / #20150250997

Titanium alloy contact ring element having low modulus and large elastic elongation

A method of forming a medical device contact element includes annealing an elongated rod of ti-15mo alloy material to form an annealed rod having a young's modulus of less than 13.5 mpsi and an elastic range or strain of at least 0.7%. Then forming a contact ring element from the annealed rod and assembling the contact ring element into a medical device. ... Medtronic Inc

09/10/15 / #20150250986

Anchor deployment apparatus

An anchor deployment assembly includes an anchor receiving element having an elongate member defining a first opening, a second opening, and a lumen extending from the first opening to the second opening. The lumen is configured to slidably receive at least a portion of a therapy delivery element. ... Medtronic Inc

09/10/15 / #20150250981

Catheters with enhanced flexibility and associated devices, systems, and methods

A neuromodulation catheter includes an elongate shaft and a neuromodulation element. The shaft includes two or more first cut shapes and two or more second cut shapes along a helical path extending around a longitudinal axis of the shaft. ... Medtronic Inc

09/10/15 / #20150250937

Multi-use sorbent cartridge

A sorbent cartridge comprising one or more detachable modules. The sorbent cartridge can have one or more modules contained therein having connectors connecting each of the modules. ... Medtronic Inc

09/10/15 / #20150250935

Modular implantable ventricular assist device

The invention features modular implantable ventricular assist devices configured to be, at least in part, assembled within a patient. The devices generally include a pump assembly and an expandable frame. ... Medtronic Inc

09/10/15 / #20150250524

Monitoring and controlling internally administered cryotherapy

A method of using a cryotherapeutic system in accordance with a particular embodiment includes advancing an elongate shaft of a catheter toward a treatment location within a body lumen of a human patient and directing a flow of refrigerant toward a cryotherapeutic element at a distal end portion of the shaft. The directed refrigerant is expanded to cause cooling within a balloon of the cryotherapeutic element. ... Medtronic Inc

09/10/15 / #20150250427

Method and device to manage fluid volumes in the body

A system and method for determining the amount of fluid to be removed from a dialysis patient is disclosed. The system utilizes sensors and a computer. ... Medtronic Inc

09/10/15 / #20150250423

Endotracheal tube apparatus

An apparatus for monitoring emg signals of a patient's laryngeal muscles includes an endotracheal tube having an exterior surface. Conductive electrodes are formed on the endotracheal tube. ... Medtronic Inc

09/10/15 / #20150250405

System and methods for wireless body fluid monitoring

An adherent device to monitor a tissue hydration of a patient comprises an adhesive patch to adhere to a skin of the patient. A plurality of electrodes are connected to the patch and capable of electrically coupling to the patient. ... Medtronic Inc

09/03/15 / #20150246235

Methods and systems for identifying reasons for ineffective left ventricular capture in cardiac resynchronization therapy based on egm morphology

The present disclosure pertains to cardiac pacing methods and systems, and, more particularly, to cardiac resynchronization therapy (crt). In particular, the present disclosure pertains to determining the efficacy of crt through use of an effective capture test (ect). ... Medtronic Inc

09/03/15 / #20150246233

Therapeutic window determination

A therapeutic window for at least one electrode of a medical system may be determined based on a volume of tissue expected to be activated (“vta”) by electrical stimulation delivered by the at least one electrode. In some examples, a processor determines the therapeutic window for a particular electrode by at least determining an efficacy threshold based on the vta expected to result from the delivery of electrical stimulation according to a set of electrical stimulation parameter values including the stimulation parameter at the efficacy threshold, and determining an adverse-effects threshold based on the vta expected to result from the delivery of electrical stimulation according to a set of electrical stimulation parameter values including the stimulation parameter at the adverse-effects threshold.. ... Medtronic Inc

09/03/15 / #20150246222

System and method for implantable medical device lead shielding

An implantable medical device (imd) can include a cardiac pacemaker or an implantable cardioverter-defibrillator (icd). Various portions of the imd, such as a device body, a lead body, or a lead tip, can be provided to reduce or dissipate a current and heat induced by various external environmental factors. ... Medtronic Inc

09/03/15 / #20150245930

Hollow drug-filled stent and method of forming hollow drug-filled stent

A stent is formed from a wire having an outer member, a radiopaque member lining at least a portion of the outer member inner surface, and a lumen defined by the outer member inner surface or the radiopaque member inner surface. A substance is disposed in the lumen to be eluted through at least one opening disposed through the outer member to the lumen. ... Medtronic Inc

09/03/15 / #20150245864

Fluid-assisted medical devices, systems and methods

Surgical devices, systems and methods for treating tissue are provided. Also provided are systems for treating tissue and methods of treating tissue. ... Medtronic Inc

09/03/15 / #20150245861

Deflation mechanism for a medical device

A method and system for delivering coolant to a medical device having an expandable element, a guidewire lumen movable within the medical device, and an actuator element coupled to the guidewire lumen for manipulation of longitudinal movement thereof is provided, including transferring a fluid from a console to the medical device to inflate the expandable element; manipulating the actuator element, and initiating a predetermined fluid control sequence of the console in response to the manipulation of the actuator element.. . ... Medtronic Inc

08/27/15 / #20150243967

Implantable medical devices with low volume batteries, and systems

Implantable medical devices, implantable medical device systems that include such implantable medical devices, and implantable medical device batteries, as well as methods of making. Such devices can include a battery of relatively small volume but of relatively high power (reported as therapeutic power) and relatively high capacity (reported as capacity density).. ... Medtronic Inc

08/27/15 / #20150239032

Methods for forming an orthogonal end on a helical stent

A method of manufacturing a stent includes forming a wave form having a plurality of struts and a plurality of crowns. Each crown connects two adjacent struts. ... Medtronic Inc

08/27/15 / #20150238769

Method and apparatus for detecting loss of capture

A method and apparatus for identifying loss of capture in a pacing device. While pacing pulses are being delivered, the device checks for emergence of a stable asynchronous underlying intrinsic rhythm in the presence of the delivered pacing pulses. ... Medtronic Inc

08/27/15 / #20150238694

Intelligent therapy recommendation algorithim and method of using the same

An algorithm and method of making intelligent therapy recommendations for insulin pump parameters is described. The pump parameters include basal rates, carbohydrate-to-insulin ratios (cir), and insulin sensitivity factors (isf). ... Medtronic Inc

08/27/15 / #20150238693

Posture state display on medical device user interface

The disclosure provides a system that displays a posture state indication to a user. A posture state indication represents the current posture state of the patient, which may be a combination of patient posture and activity. ... Medtronic Inc

08/27/15 / #20150238688

Occlusion detection for a fluid infusion device

A device for delivering fluid to a user includes a housing, a drive motor assembly in the housing, a force sensor, and an electronics module. The drive motor assembly regulates delivery of fluid by actuating a piston of a fluid reservoir, and the force sensor generates output levels in response to force imparted thereto during, for example, fluid delivery operations. ... Medtronic Inc

08/27/15 / #20150238673

Authentication and tracking system

A dialysis authentication system comprising at least one dialysis component having at least one authentication component affixed thereon. The dialysis component can be any one of a dialyzer, sorbent cartridge, or recharger. ... Medtronic Inc

08/27/15 / #20150238658

Phospholipid reduction in biological tissue

A method of reducing phospholipid concentration in biological tissue. The biological tissue is immersed in an isopropyl alcohol solution for an effective period of time. ... Medtronic Inc

08/27/15 / #20150238256

Cartridge assembly for electrosurgical devices, electrosurgical unit and methods of use thereof

The invention provides a cartridge assembly to couple a tissue treatment device with an electrosurgical unit, with the cartridge assembly operable with a power delivery apparatus and a fluid delivery apparatus of the electrosurgical unit. The invention also provides an electrosurgical unit comprising a power delivery apparatus and a fluid delivery apparatus operable with the cartridge assembly and a system thereof.. ... Medtronic Inc

08/27/15 / #20150238253

Apparatus, systems, and methods for achieving intravascular, thermally-induced renal neuromodulation

Apparatus, systems, and methods for achieving thermally-induced renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a treatment device comprising an elongated shaft. ... Medtronic Inc

08/27/15 / #20150238252

Methods and apparatus for renal neuromodulation

Methods and apparatus are provided for renal neuromodulation using a pulsed electric field to effectuate electroporation or electrofusion. It is expected that renal neuromodulation (e.g., denervation) may, among other things, reduce expansion of an acute myocardial infarction, reduce or prevent the onset of morphological changes that are affiliated with congestive heart failure, and/or be efficacious in the treatment of end stage renal disease. ... Medtronic Inc

08/27/15 / #20150238094

Separable monitoring device and method

A patient monitoring device includes reusable and disposable portions. The disposable portion includes two or more electrodes for coupling to the skin of the patient, a battery, and a first set of electrical contacts. ... Medtronic Inc

08/20/15 / #20150231400

Automated phrenic nerve stimulation and pacing capture threshold test

A medical device system and method for determining pacing threshold data that includes a cardiac capture sensor, a phrenic nerve stimulation sensor, a pulse generator selectively coupled to a plurality of electrode vectors to deliver a pacing stimulation pulse, and a processor coupled to the cardiac capture sensor, the phrenic nerve stimulation sensor and the pulse generator and configured to deliver the pacing simulation pulse along the plurality of electrode vectors, determine, for each vector of the plurality of vectors, a pacing capture threshold in response to the delivered pacing pulse, deliver a phrenic nerve stimulation pulse along only the vectors of the plurality of vectors that the determined pacing capture threshold is less than a predetermined pacing capture threshold limit, and determine whether phrenic nerve stimulation is detected in response to the delivered phrenic nerve stimulation pulse.. . ... Medtronic Inc

08/20/15 / #20150231399

Automated phrenic nerve stimulation and pacing capture threshold test

A medical device system and method for determining pacing threshold data that includes a cardiac capture sensor, a phrenic nerve stimulation sensor, a pulse generator selectively coupled to a plurality of electrode vectors to deliver a phrenic nerve stimulation pulse, and a processor coupled to the cardiac capture sensor, the phrenic nerve stimulation sensor and the pulse generator and configured to deliver the phrenic nerve stimulation pulse along the plurality of electrode vectors, determine, for each vector of the plurality of vectors, whether phrenic nerve stimulation is detected in response to the delivered phrenic nerve stimulation, deliver a pacing pulse along only the vectors of the plurality of vectors that phrenic nerve stimulation is determined not to be detected, and determine pacing capture thresholds in response to the delivered pacing pulse.. . ... Medtronic Inc

08/20/15 / #20150231387

Sensing and stimulation system

A sensing and stimulation system includes a central hub, and a plurality of flexible arms extending from the central hub. Each of the arms includes at least one electrode and at least one sensor. ... Medtronic Inc

08/20/15 / #20150230851

Thermocouple-controlled catheter cooling system

The present invention provides a medical system, including a catheter defining an injection lumen, a chamber in fluid communication with the injection lumen, and an exhaust lumen in fluid communication with the chamber; a first temperature sensor positioned in the exhaust lumen proximal to the chamber; a second temperature sensor positioned in the chamber; and a console in electrical communication with the first and second temperature sensors, the controller modifying coolant flow through the medical device based at least in part upon a signal received from the first and second temperature sensor. The system may further include a thermally-conductive element circumscribing a substantial portion of the exhaust lumen proximal to the chamber, where the first temperature sensor is mounted to the thermally-conductive element, and the thermally-conductive element may include at least one of a braid, coil, and band.. ... Medtronic Inc

08/20/15 / #20150230813

Lead insertion tool

A lead insertion tool includes a first leg having a first rail element pivotally coupled to the first leg distal end and a second leg having a second rail element pivotally coupled to the second leg distal end. The first rail element and the second rail element are configured to receive a lead. ... Medtronic Inc

08/20/15 / #20150230723

Method and apparatus for detecting arrhythmias in a subcutaneous medical device

A subcutaneously implantable cardiac medical device and a method of sensing a cardiac signal therein that includes a plurality of electrodes to sense a cardiac signal along a plurality of sensing vectors to detect a first interval and a second interval associated with a first detected event, and a processor configured to determine whether the first interval and the second interval are shorter than a predetermined threshold, determine whether the first interval and the second interval are similar, and determine, in response to the first interval and the second interval being similar, whether the sensed cardiac signal is either a noisy signal or a qrs signal.. . ... Medtronic Inc

08/20/15 / #20150230722

Using multiple diagnostic parameters for predicting heart failure events

Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A medical device monitors a primary diagnostic parameter that is indicative of worsening heart failure, such as intrathoracic impedance or pressure, and one or more secondary diagnostic parameters. ... Medtronic Inc

08/13/15 / #20150224322

Lead monitoring frequency based on lead and patient characteristics

A method and device for updating a frequency of determining whether a lead condition is occurring in a medical device that includes sensing a cardiac signal, determining whether a lead condition is occurring in response to the sensed cardiac signal, determining a patient characteristic, and updating a frequency of determining whether the lead condition is occurring in response to the determined patient characteristic.. . ... Medtronic Inc

08/13/15 / #20150224319

Lead monitoring frequency based on lead and patient characteristics

A method and device for updating a frequency of determining whether a lead condition is occurring in a medical device that includes sensing a cardiac signal, determining the number of days the lead has been implanted prior to implanting of the medical device, performing a first update of a virtual lead days value associated with a number of days since implant of the lead in response to the determined number of days the lead has been implanted prior to implanting of the medical device, determining whether a lead condition is occurring in response to the sensed cardiac signal, and updating a frequency of determining whether the lead condition is occurring in response to the determined first update of the virtual lead days value.. . ... Medtronic Inc

08/13/15 / #20150224317

Electrical stimulator with voltage mode emulation using regulated current

Techniques are described for generating electrical stimulation current pulses for delivery of electrical stimulation therapy via a current-controlled system that emulates voltage pulses generated via a voltage-controlled system. In one example, a method includes receiving user input specifying a voltage level of electrical stimulation to be delivered by one or more of a plurality of electrodes implanted within the patient, selectively coupling the one or more electrodes to respective regulated current paths to deliver the electrical stimulation to the patient, selectively coupling at least another of the plurality of electrodes implanted within the patient to an unregulated current path to deliver the electrical stimulation to the patient, determining a regulated current for each respective regulated current path in order to produce the specified voltage level at the one or more electrodes selectively coupled to the respective regulated current paths, and delivering the determined regulated currents via the respective regulated current paths.. ... Medtronic Inc

08/13/15 / #20150224304

Resonance tuning module for implantable devices and leads

An implantable medical assist device includes a medical device. The medical device has a housing and electronics contained therein. ... Medtronic Inc

08/13/15 / #20150224302

Lead monitoring frequency based on lead and patient characteristics

A method and device for updating a frequency of determining whether a lead condition is occurring in a medical device that includes sensing a cardiac signal, determining whether a lead condition is occurring in response to the sensed cardiac signal, determining whether a first patient characteristic is satisfied during a plurality of predetermined update periods, performing a first update of a virtual lead days value associated with a number of days since implant of the lead in response to the first patient characteristic being satisfied, determining whether a patient characteristic update is satisfied in response to a second patient characteristic, different than the first patient characteristic, being satisfied, performing a second update of the virtual lead days value in response to the patient characteristic update being satisfied, and updating a frequency of determining whether the lead condition is occurring in response to the updated virtual lead days value.. . ... Medtronic Inc

08/13/15 / #20150224299

Implantable medical device with flexible interconnect

An implantable medical device includes at least one receptacle configured for receiving at least one electrical lead, a printed wiring board including a processor, a flexible interconnect coupled between the at least one receptacle and the printed wiring board, and a housing forming a substantially sealed enclosure for the printed wiring board and the flexible interconnect.. . ... Medtronic Inc

08/13/15 / #20150224251

Combination therapy including peripheral nerve field stimulation

Delivery of peripheral nerve field stimulation (pnfs) in combination with one or more other therapies is described. The other therapy delivered in combination with pnfs may be, for example, a different type of neurostimulation, such as spinal cord stimulation (scs), or a drug. ... Medtronic Inc

08/13/15 / #20150224213

Treatment of neurological disorders

This invention provides treatment compositions as well as systems and methods of determining and administering an effective amount of treatment for a neurological disorder. The treatment composition can contain a labeled interfering rna (irna) agent capable of decreasing expression of a target rna associated with the neurological disorder. ... Medtronic Inc

08/13/15 / #20150223863

Methods for simultaneous cardiac substrate mapping using spatial correlation maps between neighboring unipolar electrograms

A base cardiac electrogram signal at a base electrode is recorded for a predetermined amount of time. A plurality of cardiac electrogram signals at a plurality of electrodes other than the base electrode are recorded for the predetermined amount of time. ... Medtronic Inc

08/13/15 / #20150223860

Method and apparatus for cryoadhesion

A method and system for continuously delivering cryotreatment to a treatment device. In one embodiment, the system may include a first pid circuit in the fluid delivery line and a second pid circuit in the fluid return line, and the first and second pid circuits may operate simultaneously to continuously provide coolant to a cryotreatment device during the inflation phase, ablation phase, and warming (or thawing) phase while providing for temperature adjustment. ... Medtronic Inc

08/13/15 / #20150223859

Fluid control system for a medical device

The present invention provides a medical device having an elongate body with both a proximal end and a distal end, wherein the elongate body defines an intake lumen and an exhaust lumen. The medical device also has a first pliable element defining a cooling chamber disposed at a point along the elongate body, with the cooling chamber being in fluid communication with the intake lumen and the exhaust lumen. ... Medtronic Inc

08/13/15 / #20150223799

Method and apparatus for forming a suture connector in situ

A system for forming a suture connector in situ includes a suture connector placement device having a handle, an outer shaft, an intermediate shaft, and a push rod, and a suture connector having a sleeve and a plug. The intermediate shaft is slidingly disposed through a lumen of the outer shaft, and the push rod is slidingly disposed through a lumen of the intermediate shaft. ... Medtronic Inc

08/13/15 / #20150223719

Implantable medical device with flexible tape interconnect

An implantable medical device includes at least one receptacle configured for receiving at least one electrical lead, a printed wiring board including a processor, a flexible tape interconnect coupled between the at least one receptacle and the printed wiring board, and a housing forming a substantially sealed enclosure for the printed wiring board and the flexible tape interconnect.. . ... Medtronic Inc

08/13/15 / #20150223710

Devices and methods for sensing physiological signals during stimulation therapy

Devices and methods provide for the sensing of physiological signals during stimulation therapy by preventing stimulation waveform artifacts from being passed through to the amplification of the sensed physiological signal. Thus, the sensing amplifier is not adversely affected by the stimulation waveform and can provide for successful sensing of physiological signals. ... Medtronic Inc

08/06/15 / #20150217119

Selection of optimal accelerometer sensing axis for rate response in leadless pacemaker

A medical device and associated method record signals from each real axis of a multi-axis sensor. An optimal axis for monitoring a physiological signal of the patient is identified from the real axes of the multi-axis sensor and multiple virtual axes. ... Medtronic Inc

08/06/15 / #20150217118

Detection of relaxation abnormality in heart tissue

A chronically implanted medical device, connected to a medical electrical lead that includes a sensor, is used to detect diastolic dysfunction. A lv accelerometer signal is sensed through the sensor. ... Medtronic Inc

08/06/15 / #20150217052

Automatic closed-loop control adjustments and infusion systems incorporating same

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves identifying a condition of the user that is likely to influence a response to the fluid in the body of the user and classifying the condition as a first type of a plurality of types of conditions. ... Medtronic Inc

08/06/15 / #20150217051

User-configurable closed-loop notifications and infusion systems incorporating same

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves storing alert configuration information for the user, identifying an alert condition while operating the infusion device to deliver the fluid based at least in part on the alert configuration information for the user, and in response to identifying the alert condition, providing a user notification in accordance with the user's stored alert configuration information.. ... Medtronic Inc

08/06/15 / #20150217048

Methods and apparatuses for detecting occlusions in an ambulatory infusion pump

An improved pump, reservoir and reservoir piston are provided for controlled delivery of fluids. A motor is operably coupled to a drive member, such as a drive screw, which is adapted to advance a plunger slide in response to operation of the motor. ... Medtronic Inc

08/06/15 / #20150216617

Method and apparatus for assisted trajectory planning

A procedure can be assisted by a processor system, such as a computer system. A trajectory can be used to identify a selected trajectory or path of an instrument to reach a tumor within a brain of a subject, reach a selected portion of the anatomy (e.g. ... Medtronic Inc

08/06/15 / #20150216589

Medical device with adjustable flexibility

A system and method for the delivery of a medical device to a treatment location. The device may include an elongate body, the elongate body including a plurality of annular segments and a jacket disposed about the plurality of annular segments and defining an interior space, and a vacuum source in fluid communication with the interior space of the jacket. ... Medtronic Inc

08/06/15 / #20150216588

Systems and methods for neuromodulation for treatment of pain and other disorders associated with nerve conduction

Methods and apparatus are provided for selective destruction or temporary disruption of nerves and/or conduction pathways in a mammalian body for the treatment of pain and other disorders. Apparatus comprises catheters having electrodes for targeting and affecting nerve tissue at a cellular level to reversible and irreversible nerve poration and incapacitation.. ... Medtronic Inc

08/06/15 / #20150216580

Accessory to allow sensing at balloon interface

A device, system and method for temperature-based lesion formation assessment and mapping functionality using an accessory usable with an over-the-wire balloon catheter. The device may include a first annular element, a plurality of wires coupled to the first annular element, and a second annular element, the plurality of wires passing from the first annular element through the second annular element and into an elongate wire conduit coupled to the second annular element. ... Medtronic Inc

08/06/15 / #20150216434

Assessing intra-cardiac activation patterns

Techniques for evaluating cardiac electrical dyssynchrony are described. In some examples, an activation time is determined for each of a plurality of torso-surface potential signals. ... Medtronic Inc

07/30/15 / #20150214604

Implantable medical devices having cofire ceramic modules and methods of fabricating the same

An implantable medical device (imd) and methods of fabricating the same are provided. An imd can include a housing and a cofire ceramic module (ccm) coupled to the housing. ... Medtronic Inc

07/30/15 / #20150213951

Capacitor assembly and associated method

A capacitor assembly for use in, and a method of assembling, a filtered feedthrough. The capacitor includes an insulative member fixedly attached to its bottom portion to inhibit high voltage arcing. ... Medtronic Inc

07/30/15 / #20150213233

Systems and methods for improving patient access to medical therapies

The system and method utilizes a computer system having processors that receive quantitative data from users and generate data to facilitate prioritization and reduction of barriers that prevent patients from receiving medical therapies from a particular healthcare provider in rank order. The processors provide an initial rank order of potential barriers based on calculated correlation coefficient, and determine a subsequent rank order of potential barriers based on the calculated correlation coefficient and other data indicative of the effect of each barrier on the patients. ... Medtronic Inc

07/30/15 / #20150209589

Methods, implantable medical devices, and systems to continue implementing a special mode of operation after experiencing a device reset

An implantable medical device implements a special mode of operation, such as a mode of electrical stimulation therapy, during conditions where there may be an increased likelihood that a device reset will occur. The implantable medical device recovers from the device reset by copying values that specify the special mode and that are stored in a non-volatile memory to an operating memory. ... Medtronic Inc

07/30/15 / #20150209588

Pre-implant detection

A medical device system and associated method determine an implantable medical device state prior to implantation. An impedance monitoring module monitors for a change in impedance between a pair of electrodes coupled to the impedance monitoring circuit. ... Medtronic Inc

07/30/15 / #20150209579

Establishing continuity between a shield within an implantable medical lead and a shield within an implantable lead extension

Implantable medical leads and implantable lead extensions include a shield. The implantable medical lead is coupled to the implantable lead extension. ... Medtronic Inc

07/30/15 / #20150209578

Implantable medical device with connector blocks

An implantable medical device comprises one or more electrical stimulation generators, and a housing that contains the one or more electrical stimulation generators. The implantable medical device includes a first connector block that electrically connects the first medical lead to at least one of the one or more electrical stimulation generators, and a second connector block that electrically connects the second medical lead to at least one of the one or more electrical stimulation generators.. ... Medtronic Inc

07/30/15 / #20150209513

Monitoring conditions of an implantable medical fluid delivery device

A programmer device includes an interface that communicates with an implantable fluid delivery device and a user interface that allows a user to troubleshoot a catheter connected to the fluid delivery device by measuring a pressure associated with the catheter. A processor may compare the measured pressure waveform to a previously-acquired waveform or the user interface may display the measured pressure waveform for the user to compare the displayed pressure waveform to a previously-acquired baseline waveform. ... Medtronic Inc

07/30/15 / #20150209143

Prosthetic mitral valve and delivery method

A valve prosthesis and methods for implanting the prosthesis are provided. The prosthesis generally includes a self-expanding frame and two or more engagement arms. ... Medtronic Inc

07/30/15 / #20150209140

Stented prosthetic heart valve with variable stiffness and methods of use

A prosthetic heart valve including a stent frame and a valve structure. The valve structure is disposed within a lumen of the stent frame. ... Medtronic Inc

07/30/15 / #20150209104

Neuromodulation catheters having jacketed neuromodulation elements and related devices, systems, and methods

A neuromodulation catheter in accordance with a particular embodiment includes an elongate shaft and a neuromodulation element operably connected to the shaft. The shaft includes a proximal hypotube segment at its proximal end portion and a jacket disposed around at least a portion of an outer surface of the hypotube segment. ... Medtronic Inc

07/30/15 / #20150209077

Implant tools for extravascular implantation of medical leads

A method for creating a pathway for insertion of a medical lead, such as a defibrillation lead, the method includes creating an incision at a first location on the left side of the torso of the patient. A first medical device and a second medical device are advanced through the incision and through the subcutaneous tissue toward a second location proximate the center of the torso. ... Medtronic Inc

07/23/15 / #20150202706

Methods for simultaneously brazing a ferrule and lead pins

A lead pin fixture is used to align and hold lead pins in place for brazing lead pins to metal contact pads of a ceramic insulator and brazing a ferrule to the ceramic insulator in a single step.. . ... Medtronic Inc

07/23/15 / #20150202447

Movement disorder symptom control

The disclosure describes a method and system or controlling symptoms of patients suffering from parkinson's disease. In some examples, one or more biomarkers indicative of a patient's present symptoms are determined. ... Medtronic Inc

07/23/15 / #20150202443

Cardiac resynchronization therapy optimization based on intracardiac impedance and heart sounds

Methods and/or devices used in delivering cardiac resynchronization therapy based on a plurality of device parameters (e.g., a-v delay, v-v delay, etc.) are optimized by setting a device parameter based on selection data. The selection data may be acquired by acquiring temporal fiducial points (e.g., heart sounds) associated with at least a part of a systolic portion of at least one cardiac cycle and/or temporal fiducial points associated with at least a part of a diastolic portion of the at least one cardiac cycle for each of a plurality of electrode vector configurations, and extracting measurements from the intracardiac impedance signal acquired for each of a plurality of electrode vector configurations based on the temporal fiducial points. ... Medtronic Inc

07/23/15 / #20150202436

Cardiac resynchronization therapy optimization based on intracardiac impedance

Methods and/or devices used in delivering cardiac resynchronization therapy based on a plurality of device parameters (e.g., a-v delay, v-v delay, etc.) are optimized by setting a device parameter based on selection data. The selection data may be acquired by acquiring temporal fiducial points (e.g., heart sounds) associated with at least a part of a systolic portion of at least one cardiac cycle and/or temporal fiducial points associated with at least a part of a diastolic portion of the at least one cardiac cycle for each of a plurality of electrode vector configurations, and extracting measurements from the intracardiac impedance signal acquired for each of a plurality of electrode vector configurations based on the temporal fiducial points. ... Medtronic Inc

07/23/15 / #20150202011

Stereotactic access devices and methods

This invention is directed to devices and methods for stereotactic access, and particularly to a frameless stereotactic access device for accessing a body cavity and methods therefor. In general, a stereotactic device may include portions or features for fixing the device to a portion of a patient's body, such as, for example, a skull, such that the device may be generally spatially fixed in relation to the patient's body or part thereof. ... Medtronic Inc

07/23/15 / #20150201933

Anchor and anchor deployment apparatus

An anchor for maintaining a portion of a therapy delivery element within a desired location of a patient has (i) a first opening, (ii) a second opening, (iii) a body member formed of elastic material disposed between the first and second opening, (iv) and a lumen extending though the body member from the first opening to the second opening, and (v) a retention element secured to or integrally formed with the body member for retaining the anchor within a tissue location of a patient. The therapy delivery element has an outer diameter and an outer surface about which the anchor is disposable. ... Medtronic Inc

07/16/15 / #20150198607

Algorithms for calibrating an analyte sensor

Disclosed are embodiments that relate to algorithms and methods for calibrating an analyte sensor, and more particularly, to algorithms for calibrating an optical glucose sensor comprising an equilibrium fluorescent chemical indicator system. In particular, a method of detecting an analyte concentration is disclosed where a modified michaelis-menten equation comprising michaelis-menten parameters is used to characterize the signal generated by the analyte sensor.. ... Medtronic Inc

07/16/15 / #20150196867

Frames for implantable medical devices and methods

Frame structures, assemblies and methods for use in implantable medical devices. The frames may include one or more first polymeric portions and one or more second polymeric portions coupled to the one or more first polymeric portions. ... Medtronic Inc

07/16/15 / #20150196783

High intensity focused ultrasound catheter apparatuses, systems, and methods for renal neuromodulation

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device that employs high intensity focused ultrasound. ... Medtronic Inc

07/16/15 / #20150196760

Bi-atrial synchronized left ventricular cariac pacing

A medical device performs a method for controlling a cardiac pacing therapy. The device determines an inter-atrial conduction time (iact) and compares the iact to a threshold. ... Medtronic Inc

07/16/15 / #20150196740

Balloon catheter with fluid injection elements

A system and method for creating radial-linear lesions in tissue. The system includes a cryoablation device having a first balloon, a second balloon disposed about the first balloon, and one or more splines disposed between the first balloon and second balloon, each spline defining a plurality of ports. ... Medtronic Inc

07/16/15 / #20150196391

Tray for loading a medical device including a temperature measuring and indicating device

A tray for loading a medical device on a catheter assembly includes a reservoir and a temperature sensing and indicating device disposed in the reservoir. The reservoir is defined by a bottom surface, a first wall, a second wall, a third wall, and a fourth wall, and includes an open top opposite the bottom surface. ... Medtronic Inc

07/16/15 / #20150196218

Cranial implant

Implantable medical devices (imd) configured for implantation within a recess formed in a cranium of a patient, as well as associated methods, are described. In some embodiments, the imd includes a top external surface and another adjacent external surface, e.g., a side surface, which are oriented with respect to each other to define an acute angle. ... Medtronic Inc

07/16/15 / #20150196210

Catheter for providing vascular pressure measurements

A catheter is disclosed for providing pressure measurements at a vascular lesion. The catheter includes an outer component having a side opening the providing transverse access to a lumen thereof and an inner component slidably disposed within the lumen. ... Medtronic Inc

07/09/15 / #20150193612

Multiple user accounts for managing stored information in an implantable medical device system

Techniques for managing stored information in an implantable medical device system using multiple user accounts are described. An implantable medical device system may provide a general user account and a set of authenticable user accounts. ... Medtronic Inc

07/09/15 / #20150190941

Die surface and lubrication for cutting lithium metal

Propylene carbonate is used as a lubricant for cutting lithium metal with a die having a metal cutting surface.. . ... Medtronic Inc

07/09/15 / #20150190644

Methods for setting cardiac pacing parameters in relatively high efficiency pacing systems

According to some methods, for example, preprogrammed in a microprocessor element of an implantable cardiac pacing system, at least one of a number of periodic pacing threshold searches includes steps to reduce an evoked response amplitude threshold for evoked response signal detection. The reduction may be to a minimum value measurable above zero, for example, as determined by establishing a ‘noise floor’. ... Medtronic Inc

07/09/15 / #20150190640

Lead electrode for use in an mri-safe implantable medical device

An implantable stimulation system comprises a stimulator for generating electrical stimulation and a conductive stimulation lead having a proximal end electrically coupled to the stimulator, wherein at least a first component of the impedance looking into the stimulator is substantially matched to the impedance of the stimulation lead. At least one distal stimulation electrode is positioned proximate the distal end of the stimulation lead.. ... Medtronic Inc

07/09/15 / #20150190618

Balloon catheter with elastomeric sheath and methods

Balloon catheters that include a balloon and an elastomeric sheath, each having a surface with a therapeutic agent disposed thereon, along with methods of making and methods of using the disclosed balloon catheters.. . ... Medtronic Inc

07/09/15 / #20150190573

Method and apparatus for detecting occlusions in an ambulatory infusion pump

An improved pump, reservoir and reservoir piston are provided for controlled delivery of fluids. A motor is operably coupled to a drive member, such as a drive screw, which is adapted to advance a plunger slide in response to operation of the motor. ... Medtronic Inc

07/09/15 / #20150190188

Compatible cryogenic cooling system

A method of operating a medical system, including coupling a medical system to an outlet of a fluid distribution network having a plurality of fluid outlets in a patient treatment center; delivering fluid from the outlet to the medical system; compressing the delivered fluid with the medical system; decreasing the moisture content of the delivered fluid with the medical system; cooling the fluid with the medical system; delivering the fluid from the medical system to a medical device; and removing the fluid from medical device with the medical system.. . ... Medtronic Inc

07/09/15 / #20150190178

Spinal correction system and method

A spinal construct comprises a longitudinal element including at least one part configured for connecting to tissue of a rib cage. A member is connected with the longitudinal element and configured for connection with a spinal implant fixed with vertebrae. ... Medtronic Inc

07/09/15 / #20150190174

Spinal correction system and method

A spinal construct comprises at least one spinal implant connected with vertebrae and a member extending between a first end including, at least one part configured for connection to tissue of a rib cage and a second end configured for connection with the at least one spinal implant. Systems and methods are disclosed.. ... Medtronic Inc

07/09/15 / #20150190100

System for monitoring physiological characteristics

Apparatuses and methods for medical monitoring physiological characteristics values such as blood glucose levels for the treatment of diabetes, are presented. The apparatuses and methods provide dynamic glucose monitoring functions that perform predictive analysis to anticipate harmful conditions, such as glucose crash and hyperglycemic incidents for a patient. ... Medtronic Inc

07/02/15 / #20150182751

Anodal capture detection

Systems and methods are described herein for determining whether anodal capture of the right ventricle is occurring when delivering left ventricular pacing with a cross-chamber pacing vector. The systems and methods may be measure cross-chamber sense times from left ventricular pacing and right ventricular pacing and compare the cross-chamber sense times to determine whether anodal capture of the right ventricle is occurring.. ... Medtronic Inc

07/02/15 / #20150182743

Medical electrode including an iridium oxide surface and methods of fabrication

An implantable medical electrode includes a substrate and an iridium oxide surface, which is formed by an iridium oxide film applied over a roughened surface of the substrate. The film is preferably applied via direct current magnetron sputtering in a sputtering atmosphere comprising argon and oxygen. ... Medtronic Inc

07/02/15 / #20150182669

Particle delivery

A method for delivering particles to a target location of a subject includes slidably disposing a polymeric carrier in a lumen of a catheter. The lumen extends in the catheter from a proximal opening to a delivery region. ... Medtronic Inc

07/02/15 / #20150182333

Prosthetic heart valve having identifiers for aiding in radiographic positioning

A prosthetic heart valve having identifiers for aiding in radiographic positioning is described.. . ... Medtronic Inc

06/25/15 / #20150180161

Implantable medical electrical leads and connector assemblies thereof

A connector assembly of an implantable medical electrical lead includes insulation and conductor segments, which may be formed together in a molded subassembly. The insulation segment includes at least one sealing surface, and the conductor segment includes at least one contact surface and a shank electrically common therewith. ... Medtronic Inc

06/25/15 / #20150178644

Risk management approach to oversight of institutional review boards

A computer system receives, before a start of a trial of a medical therapy, data that configure the computer system to detect alert conditions indicative of occurrences of failure modes identified as being potentially associated with an institutional ethics committee such as an institutional review board (irb) that reviews the trial. Respective mitigation procedures are defined for the failure modes before the start of the trial. ... Medtronic Inc

06/25/15 / #20150174394

Lead delivery device and method

A medical apparatus includes a guidewire and a fixator catheter. The fixator catheter comprises a tubular body with a distal portion and a proximal portion, and further includes a distal opening, a fixator secured to the distal portion, and a body opening arranged between the fixator and the proximal portion. ... Medtronic Inc

06/25/15 / #20150174393

Methods and devices for inhibiting tissue growth from restricting a strain relief loop of an implantable medical lead

The function of a strain relief loop of an implantable medical lead is preserved by inhibiting restriction of the strain relief loop from tissue growth onto the strain relief loop. The restriction may be inhibited by either obstructing tissue growth and/or by utilizing a mechanical advantage to overcome the restriction. ... Medtronic Inc

06/25/15 / #20150174319

Insertion device for insertion set

An insertion device for use with an insertion set is provided. The insertion device includes a first housing and a first member received in the first housing and movable relative to the first housing between a first position and a second position. ... Medtronic Inc

06/25/15 / #20150174311

Partial radial heat exchanger and oxygenator

Methods of making a combination heat exchanger and oxygenator. A heat transfer tubing is wound about a core and a potting compound is applied to a portion of the wound tubing. ... Medtronic Inc

06/25/15 / #20150174275

Aqueous radiation protecting formulations and methods for making and using them

Medical devices are typically sterilized in processes used to manufacture such products and their sterilization by exposure to radiation is a common practice. Radiation has a number of advantages over other sterilization processes including a high penetrating ability, relatively low chemical reactivity, and instantaneous effects without the need to control temperature, pressure, vacuum, or humidity. ... Medtronic Inc

06/25/15 / #20150173920

Eversible branch stent-graft and deployment method

A method of deploying an eversible branch stent-graft includes deploying the eversible branch stent-graft into a main vessel such that a collateral opening in a main stent-graft of the eversible branch stent-graft is aligned with an ostium of a branch vessel emanating from the main vessel. A branch stent ring suture threaded though outer exposed crowns of an outer stent ring of the branch stent-graft is grasped and pulled through the collateral opening to evert the branch stent-graft into the branch vessel as a branch anchor suture is removed to release a protruding end of a branch stent-graft from a proximal end of the main stent-graft.. ... Medtronic Inc

06/25/15 / #20150173895

Transcatheter prosthetic heart valve delivery system with recapturing feature and method

A delivery system for percutaneously deploying a prosthetic heart valve. The system includes an inner shaft assembly, a delivery sheath capsule and a handle maintaining a first actuator and a second actuator. ... Medtronic Inc

06/25/15 / #20150173827

Electrosurgical cutting instrument

An electrosurgical device having a tubular outer shaft and an inner shaft is disclosed. The tubular outer shaft includes an axis and a distal end region. ... Medtronic Inc

06/25/15 / #20150173825

Debridement device having a split shaft with biopolar electrodes

A device includes an inner shaft rotatable within an outer shaft for cutting tissue. Additionally, the device can deliver energy including bipolar radiofrequency energy for sealing tissue which may be concurrent with delivery of fluid to a targeted tissue site. ... Medtronic Inc

06/25/15 / #20150173655

Method and apparatus for selecting activity response vector

A medical device and associated method evaluate vectors of a multi-dimensional accelerometer by receiving a signal from the accelerometer for each of the vectors and determining a metric from the signal for each of the vectors during a first sensing condition and during a second sensing condition. The difference between the metrics determined for the first sensing condition and the second sensing condition for each of the vectors is determined. ... Medtronic Inc

06/18/15 / #20150172921

Secure communication by user selectable communication range

An infusion system to administer fluid is disclosed. The infusion system to administer fluid includes an infusion pump having a pump processor, a pump memory and a pump radio to enable bi-directional communication. ... Medtronic Inc

06/18/15 / #20150170792

Devices, systems and methods to reduce coupling of a shield and a conductor within an implantable medical lead

Conductors within an implantable medical lead that carry stimulation signal signals are at least partially embedded within a lead body of the medical lead over at least a portion of the length of the conductors while being surrounded by a radio frequency (rf) shield. A space between the shield and the conductors is filled by the presence of the lead body material such that body fluids that infiltrate the lead over time cannot pool in the space between the shield and the conductors. ... Medtronic Inc

06/18/15 / #20150169857

Fingerprint enhanced authentication for medical devices in wireless networks

An infusion system to administer fluid is disclosed. The infusion system includes an infusion pump having a pump processor, a pump memory and a pump radio to enable bi-directional communication. ... Medtronic Inc

06/18/15 / #20150168227

Thermochromic polyacrylamide tissue phantom and its use for evaluation of ablation therapies

A polyacrylamide tissue phantom embedded with multi-formulated thermochromic liquid crystals for use in the evaluation of rf ablation therapies is provided. The tissue phantom approximates the properties of biological tissue, and therefore provides a suitable substitute for use in testing the effects of rf and other energy-emitting devices on biological tissue. ... Medtronic Inc

06/18/15 / #20150165217

Implantable medical electrical lead connector assemblies and methods of manufacture

An implantable lead connector assembly includes contact rings, and a bulk of insulation, which includes sealing surfaces and a shank defining a distal end of the bulk. One or more conductor pins extend within the bulk and have distal ends protruding distally therefrom to be exposed alongside the shank; and an inner surface of each contact ring may have a proximal end of a corresponding conductor pin coupled thereto. ... Medtronic Inc

06/18/15 / #20150165216

Implantable medical electrical lead connectors, assemblies thereof, and methods of manufacture

An implantable lead connector assembly includes core and contact circuits held together and isolated from one another by insulation. The core circuit includes a conductive core and a conductor pin, which has a proximal end coupled to an outer surface of the core, and a distal end spaced outward from the outer surface and protruding distally from the insulation. ... Medtronic Inc

06/18/15 / #20150165214

Method and apparatus for monitoring of patient medication compliance

A method and medical device for monitoring patient medication compliance having a plurality of electrodes to deliver a pacing therapy, and a processor configured to determine a pacing threshold in response to the delivered pacing therapy, determine whether there is a change in the pacing threshold, determine, in response to a change in the pacing threshold determined to be occurring, whether the determined change is sustained, and determine patient medication compliance in response determining whether the determined change is sustained.. . ... Medtronic Inc

06/18/15 / #20150165213

Method and apparatus for monitoring of patient medication compliance

A method and medical device for monitoring patient medication compliance that includes a plurality of electrodes to deliver a pacing therapy and a processor configured to determine a pacing threshold in response to the delivered pacing therapy, determine whether there is a change in the pacing threshold, and determine patient medication compliance in response to the determined changes.. . ... Medtronic Inc

06/18/15 / #20150165196

Implantable medical device construction

An implantable medical device includes two conductive enclosures that are attached together, wherein the first enclosure contains electronics, and the second enclosure contains a power source. The second enclosure, all or a portion of which is located outside the first enclosure, includes an inner layer, an outer layer, and a header plate, all of which are configured to provide redundant sealing for the power source. ... Medtronic Inc

06/18/15 / #20150165119

Data modification for predictive operations and devices incorporating same

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves obtaining a sequence of measurements indicative of a condition of the user that is influenced by the fluid and modifying one or more unusable measurements in the sequence using one or more other usable measurements in the sequence to obtain a modified sequence of measurements. ... Medtronic Inc

06/18/15 / #20150165117

Predictive infusion device operations and related methods and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a user involves determining a current value for a physiological condition of the user influenced by the fluid violates a first threshold value, determining a predicted value for the physiological condition of the user violates a second threshold value, and automatically altering operation of the infusion device to modify delivery of the fluid to the user after determining the predicted value violates the second threshold value when the current value violates the first threshold value.. ... Medtronic Inc

06/18/15 / #20150164583

Methods and apparatus for pulsed electric field neuromodulation via an intra-to-extravascular approach

Methods and apparatus are provided for pulsed electric field neuromodulation via an intra-to-extravascular approach, e.g., to effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, changes in cytokine upregulation and other conditions in target neural fibers. In some embodiments, the itev pef system comprises an intravascular catheter having one or more electrodes configured for intra-to-extravascular placement across a wall of patient's vessel into proximity with target neural fibers. ... Medtronic Inc

06/18/15 / #20150164572

Coolant injection tube

A medical device includes a steering element defining a passage for a guide wire. A fluid injection tube defining a proximal and a distal end is also included, wherein a portion of the fluid injection tube is contoured about a portion of the steering element. ... Medtronic Inc

06/18/15 / #20150164570

Real-time lesion formation assessment

A method and system for creating permanent lesions in an area of target tissue, such as tissue at or proximate a junction between a pulmonary vein and the left atrium. The method may generally include positioning a medical device in contact with a pulmonary vein ostium, ablating the tissue, and recording a plurality of temperature measurements from one or more of three temperature sensors. ... Medtronic Inc

06/18/15 / #20150164548

Method and apparatus for securing a guide tube

A guide tube is used for guiding an instrument through a hole within tissue of a patient. The guide tube includes a cannula member defining a passage extending therethrough along an axis. ... Medtronic Inc

06/18/15 / #20150164493

Navigated instrument with a stabilizer

A stabilizer for use with a trackable surgical instrument can include a first member, a second member and a retaining member. The first member can have a first annular body portion and a first pair of legs extending therefrom. ... Medtronic Inc

06/18/15 / #20150164389

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

06/18/15 / #20150164388

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

06/18/15 / #20150164387

Use of electrochemical impedance spectroscopy (eis) in intelligent diagnostics

Electrochemical impedance spectroscopy (eis) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (cgm) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.. ... Medtronic Inc

06/18/15 / #20150164386

In-vivo electrochemical impedance spectroscopy (eis)-based calibration

Electrochemical impedance spectroscopy (eis) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (cgm) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.. ... Medtronic Inc

06/18/15 / #20150164385

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

06/18/15 / #20150164384

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

06/18/15 / #20150164383

Methods and systems for improving the reliability of orthogonally redundant sensors

Methods and systems for sensor calibration and sensor glucose (sg) fusion are used advantageously to improve the accuracy and reliability of orthogonally redundant glucose sensor devices, which may include optical and electrochemical glucose sensors. Calibration for both sensors may be achieved via fixed-offset and/or dynamic regression methodologies, depending, e.g., on sensor stability and isig-ratio pair correlation. ... Medtronic Inc

06/18/15 / #20150164382

Use of electrochemical impedance spectroscopy (eis) in continuous glucose monitoring

Electrochemical impedance spectroscopy (eis) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (cgm) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.. ... Medtronic Inc

06/18/15 / #20150164371

Use of electrochemical impedance spectroscopy (eis) in gross failure analysis

Electrochemical impedance spectroscopy (eis) is used in conjunction with continuous glucose monitors and continuous glucose monitoring (cgm) to enable in-vivo sensor calibration, gross (sensor) failure analysis, and intelligent sensor diagnostics and fault detection. An equivalent circuit model is defined, and circuit elements are used to characterize sensor behavior.. ... Medtronic Inc

06/18/15 / #20150164323

Secure communications between elements in a wireless network

A patient monitor/infusion system is disclosed. The monitor/infusion system includes a medical device having a first machine parsable code and a medical device transmitter, configured to broadcast encrypted data indicative of a characteristic of the user. ... Medtronic Inc

06/11/15 / #20150161347

Physiologic simulator system

Systems (10) for the simulation of percutaneous medical procedures are disclosed. The systems can include a simulated vasculature including a first component (24) configured to allow for introduction of a medical device into the system through an introductory port, a second component (14) connected to the first component and shaped to simulate a portion of a human vasculature, and a third component (18) connected to the second component and shaped to simulate a delivery site for the medical procedure. ... Medtronic Inc

06/11/15 / #20150157960

Module for in-line recharging of sorbent materials with optional bypass

This disclosure generally relates to at least one reusable module of a sorbent cartridge in a sorbent dialysis system and a method of using the same. One of the drawbacks of a conventional sorbent dialysis system is the high cost. ... Medtronic Inc

06/11/15 / #20150157869

Method of recharging a power source for implantable medical device

Method of recharging a power source such as a rechargeable lithium ion battery for an implantable medical device. Energy is received within the implantable medical device from an external energy source which energy is used to recharge the power source. ... Medtronic Inc

06/11/15 / #20150157866

Method and apparatus for determining longevity

A method and apparatus for determining estimated remaining longevity for an implantable stimulator. The device employs pre-calculated numbers of days for various combinations conditions of device usage parameters to determine remaining device longevity based upon identified actual conditions of device usage and employs the determined longevity to change longevity indicator states in the device. ... Medtronic Inc

06/11/15 / #20150157865

Noninvasive cardiac therapy evaluation

Systems, methods, and interfaces are described herein for assisting a user in noninvasive evaluation of patients for cardiac therapy and noninvasive evaluation of cardiac therapy being delivered. The systems, methods, and interfaces may provide graphical representations of cardiac electrical activation times about one or more portions of human anatomy and one or more cardiac health metrics.. ... Medtronic Inc

06/11/15 / #20150157794

Closed-loop control of glucose according to a predicted blood glucose trajectory

Presented here are techniques for controlling glucose levels of a patient based on predicted time to a target glucose level. One methodology predicts a trajectory of the blood glucose level based on past observations of the blood glucose level, determines a cost expression based on the trajectory, and affects a future command to an infusion pump to affect a cost value according to the cost expression. ... Medtronic Inc

06/11/15 / #20150157793

Predicted time to assess and/or control a glycemic state

Presented here are techniques for controlling glucose levels of a patient based on predicted time to a target glucose level. One methodology predicts a trajectory of the blood glucose level based on past observations of the blood glucose level, determines a cost expression based on the trajectory, and affects a future command to an infusion pump to affect a cost value according to the cost expression. ... Medtronic Inc

06/11/15 / #20150157445

Circumferentially constraining sutures for a stent-graft

A circumferentially constraining suture for an endovascular prosthesis having a tubular body and a plurality of stents coupled to the tubular body includes a first thread coupled at a first end to one of the stents and a first thread loop disposed opposite the first end. The first thread extends only partially around a circumference of the tubular body in a radially expanded configuration. ... Medtronic Inc

06/11/15 / #20150157402

Ablation catheter

Devices, systems and methods are disclosed for the mapping of electrical signals and the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly. ... Medtronic Inc

06/11/15 / #20150157398

Methods for treating heart arrhythmia

Methods and apparatus are provided for treatment of heart arrhythmia via renal neuromodulation. Such neuromodulation may effectuate irreversible electroporation or electrofusion, ablation, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

06/11/15 / #20150157386

Electrosurgical devices, electrosurgical unit and methods of use thereof

A cartridge assembly to couple an electrosurgical device to treat tissue with an electro surgical unit includes a cartridge member to operate with a power delivery apparatus of the electro surgical unit and a fluid delivery apparatus of the electro surgical unit. An electrosurgical unit includes a power delivery apparatus and a fluid delivery apparatus arranged to operate with a cartridge member to be located in a cartridge receptacle of the electrosurgical unit. ... Medtronic Inc

06/11/15 / #20150157382

Distal balloon impedance and temperature recording to monitor pulmonary vein ablation and occlusion

A cryoablation method, system, and device that allows for real-time and accurate assessment and monitoring of pv occlusion and lesion formation without the need for expensive imaging systems and without patient exposure to radiation. The system includes a cryoballoon catheter with a cryoballoon, a distal electrode, a proximal electrode, and a temperature sensor. ... Medtronic Inc

06/11/15 / #20150157237

Nerve monitoring during electrosurgery

A signal processing module includes an input module electronically coupled to a sensing probe of a nerve integrity monitoring system. The probe senses electrical signals from a patient during operation of an electrosurgical unit. ... Medtronic Inc

06/11/15 / #20150157233

Identification of abnormal cardiac substrate during left-ventricular pacing

Techniques for identifying abnormal cardiac substrate, e.g., scar substrate, may be implemented, as an example, during implantation of a left-ventricular (lv) lead, e.g., for cardiac resynchronization therapy (crt), which may enable placement of the lv lead to avoid the abnormal cardiac substrate. An example system for identifying abnormal cardiac substrate comprises at least one implantable lv lead comprising at least one bipolar electrode pair configured to sense a lv bipolar cardiac electrogram signal of lv tissue proximate the bipolar electrode pair. ... Medtronic Inc

06/11/15 / #20150157232

Noninvasive cardiac therapy evaluation

Systems, methods, and interfaces are described herein for assisting a user in noninvasive evaluation of patients for cardiac therapy and noninvasive evaluation of cardiac therapy being delivered. The systems, methods, and interfaces may provide graphical representations of cardiac electrical activation times about one or more portions of human anatomy and one or more cardiac health metrics.. ... Medtronic Inc

06/11/15 / #20150157231

Noninvasive cardiac therapy evaluation

Systems, methods, and interfaces are described herein for assisting a user in noninvasive evaluation of patients for cardiac therapy and noninvasive evaluation of cardiac therapy being delivered. The systems, methods, and interfaces may provide graphical representations of cardiac electrical activation times about one or more portions of human anatomy and one or more cardiac health metrics.. ... Medtronic Inc

06/11/15 / #20150157225

Bioelectric sensor device and methods

Various embodiments of a bioelectric sensor device for sensing bioelectric data from a human body are disclosed. The device can include a flexible substrate, a plurality of sensors arranged in a sensor array on a sensor array portion of the substrate, an electrically conductive network located on the substrate, and a plurality of lines of weakness formed in the sensor array portion of the substrate. ... Medtronic Inc

06/04/15 / #20150151117

Electrode assemblies and associated fixation members for implantable medical devices

A fixation member of an electrode assembly for an implantable medical device includes a tissue engaging portion extending along a circular path, between a piercing distal tip thereof and a fixed end of the member. The circular path extends around a longitudinal axis of the assembly. ... Medtronic Inc

06/04/15 / #20150151110

Medical cable connector for a medical lead providing an electrical receptacle that is movable relative to an outer body

A medical cable connector of a medical cable receives a medical lead while an electrical receptacle within the medical cable connector is placed into a distal position relative to an outer body of the medical cable connector. The electrical receptacle is retracted to a proximal position once insertion of the medical lead into the medical cable connector is completed. ... Medtronic Inc

06/04/15 / #20150151049

On-body injector and method of use

An on-body injector and method of use including an on-body injector for use with an injection device. The on-body injector includes a bolus reservoir; a bolus injection needle in fluid communication with the bolus reservoir, the bolus injection needle having a bolus injection needle tip aligned with the injection port, the bolus injection needle being slideably biased away from the injection port to define a gap between the bolus injection needle tip and the injection port; and a button operably connected to the bolus injection needle to slide the bolus injection needle along the injection axis. ... Medtronic Inc

06/04/15 / #20150151033

Fluid volume monitoring for patients with renal disease

A method includes initiating a blood fluid removal session of a patient; monitoring an indicator of tissue fluid volume of the patient, or a portion thereof, during the blood fluid removal session; monitoring an indicator of blood fluid volume of the patient during the blood fluid removal session; determining whether a ratio of the indicator of tissue fluid volume to indicator of blood fluid volume is outside of a predetermined range; and altering the rate of fluid removal during the blood fluid removal session if the ratio is determined to be outside of the predetermined range. A blood fluid removal system may be configured to carry out the method.. ... Medtronic Inc

05/28/15 / #20150149096

Precision dialysis monitoring and synchonization system

A device, system and related methods for monitoring a mammal with heart failure, kidney disease or both, to make predictions about the likelihood of a life threatening ventricular arrhythmia. The device, system and related methods can have one or more sensors in electronic communication with a processor, the sensors determining one or more physiological parameters of a patient, and communicating the physiological parameter to the processor, and the processors using an algorithm to determine the probability of a ventricular arrhythmia based on the physiological parameters.. ... Medtronic Inc

05/28/15 / #20150148898

Anti-paravalvular leakage component for a transcatheter valve prosthesis

A transcatheter valve prosthesis includes an expandable tubular stent, a prosthetic valve within the stent, and an anti-paravalvular leakage component coupled to and encircling the stent which includes a plurality of self-expanding struts and an annular sealing membrane. Each strut has a first end coupled to a distal end of the stent and a second end not coupled to the stent. ... Medtronic Inc

05/28/15 / #20150148815

Delivery system assemblies and associated methods for implantable medical devices

A delivery system assembly includes an outer tube, an inner member, extending within a lumen of the outer tube, and a deflectable shaft, extending within the outer tube lumen and around the inner member; the tube and inner member are longitudinally moveable with respect to the shaft, and a distal end of the inner member is located distal to the shaft within the tube lumen. A medical device can be loaded into the tube lumen, along a distal-most portion of the tube, and contained between the inner member and a distal opening of the tube lumen. ... Medtronic Inc

05/28/15 / #20150148791

Systems, devices and methods for cryogenic renal neuromodulation

Cryotherapeutic systems and cryotherapeutic-system components configured for renal neuromodulation are disclosed herein. A cryotherapeutic system configured in accordance with a particular embodiment of the present technology can include a console having a cartridge housing, a cartridge connector adjacent to the cartridge housing, and a supply passage fluidly connected to the cartridge connector. ... Medtronic Inc

05/28/15 / #20150148697

Precision dialysis monitoring and synchonization system

A system and method for synchronizing patient medical parameters and dialysis parameters. The system and related method allow for the determination of the effect of dialysis on patient health. ... Medtronic Inc

05/28/15 / #20150146854

Dynamically scanned x-ray detector panel

An x-ray imaging system for imaging a subject includes an x-ray source configured to project an x-ray radiation toward a portion of the subject and a panel detector positioned opposite the x-ray source relative to the subject and configured to receive x-ray radiation passing through the subject. The panel detector includes a scintillation layer converting x-ray radiation to light rays of a selected spectrum and a plurality of microelectromechanical scanners. ... Medtronic Inc

05/28/15 / #20150144542

Module for in-line recharging of sorbent materials with optional bypass

A module for optionally recharging sorbent materials in-line, including zirconium phosphate, with an optional bypass and conduits for a sorbent cartridge. The sorbent cartridge can have one or more modules contained therein having connectors connecting each of the modules. ... Medtronic Inc

05/28/15 / #20150144539

Parallel modules for in-line recharging of sorbents using alternate duty cycles

Parallel modules for in-line recharging of sorbent materials using alternate duty cycles for a sorbent cartridge. The sorbent cartridge can have two or more modules contained therein having connectors connecting each of the modules. ... Medtronic Inc

05/21/15 / #20150142090

Implantable medical leads

An assembly for a medical lead includes an elongated lead body, and a conductive element located at a distal portion of the lead body. The conductive element substantial!)′ encircles a longitudinal axis of the lead body. ... Medtronic Inc

05/21/15 / #20150142070

Systems and methods for leadless cardiac resynchrinization therapy

Techniques and systems for monitoring cardiac arrhythmias and delivering electrical stimulation therapy using a subcutaneous device (e.g. Subcutaneous implantable (sd)) is described. ... Medtronic Inc

05/21/15 / #20150142069

Systems and methods for leadless cardiac resynchronization therapy

Techniques and systems for monitoring cardiac arrhythmias and delivering electrical stimulation therapy using a subcutaneous device (e.g. Subcutaneous implantable (sd)) and a leadless pacing device (lpd) are described. ... Medtronic Inc

05/21/15 / #20150141960

Catheter loading device and method of using same

A catheter loading device includes a guidewire section, a catheter section, and a hinge that connects a proximal end of the guidewire section to a distal end of the catheter section. The guidewire section is rotatable relative to the catheter section about a rotation axis between a first position and a second position. ... Medtronic Inc

05/21/15 / #20150141851

Method and apparatus for accurately determining heart rate variability and sympathetic reserve

An implantable monitoring device is disclosed for monitoring a patient's heart rate variability over time. The device includes a cardiac electrogram amplifier, a sensing electrode coupled to an input of the amplifier, timing circuitry, processing circuitry and a memory. ... Medtronic Inc

05/21/15 / #20150141787

Multi-electrode peripheral nerve evaluation lead and related system and method of use

A system for applying an electrical stimulation includes a lead and a stylet slidably disposed within a lumen of the lead body and extending proximally therefrom. The lead includes a plurality of insulated conductor wires electrically isolated from one another and each having a distal segment terminating at distal end, an intermediate segment, and a proximal segment terminating at a proximal end, wherein the distal ends are electrically coupled to a respective one of the stimulating electrodes and the intermediate segments extend proximal the lead body and are characterized as having a non-coiled configuration.. ... Medtronic Inc

05/21/15 / #20150139966

Methods of using hcn genes to treat cardiac arrhythmias

The subject invention is directed to methods of treating cardiac pacing dysfunction by administering hcn genes, alone or in combination with other genes.. . ... Medtronic Inc

05/21/15 / #20150139836

Roller positioning system

A fluid delivery system is provided for use with a peristaltic pump, which includes a roller-tube engagement zone and a rotor structure including an array of rollers. The fluid delivery system includes a console to removably receive the peristaltic pump in a mounted position, with the console including a roller positioning system.. ... Medtronic Inc

05/21/15 / #20150136840

Method of joining stacks of thin metal foil layers

Disclosed are methods of welding a stack of metal foil layers together using a penetration weld. The methods include stacking of the metal foil layers, pressing or compressing the metal foil layers between end plates and welding the end plates and compressed metal foil layer stack together.. ... Medtronic Inc

05/21/15 / #20150135862

Accelerated life testing device and method

An accelerated life testing device and method including an accelerated life testing method for a test piece within a test chamber, the method including: establishing a first atmosphere within the test chamber; changing the first atmosphere to a second atmosphere to form a deposition layer on the test piece; changing the second atmosphere to the first atmosphere to remove the deposition layer from the test piece; and repeating the changing the first atmosphere to the second atmosphere and the changing the second atmosphere to the first atmosphere to form an oxidation layer on the test piece.. . ... Medtronic Inc

05/07/15 / #20150127043

Balloon catheter having a pre-positioned refold tool

A balloon catheter includes an elongated catheter shaft, a hub disposed at a proximal portion of the catheter shaft, an inflatable balloon disposed at a distal portion of the catheter shaft, and a refold tool slidingly disposed over the elongated catheter shaft and positioned between the hub and the inflatable balloon. The balloon is configured to transform between an inflated configuration and a deflated configuration, the balloon having a deflated profile when in the deflated configuration. ... Medtronic Inc

05/07/15 / #20150126997

Catheter apparatuses having expandable mesh structures for renal neuromodulation and associated systems and methods

Catheter apparatuses having expandable mesh structures and associated systems and methods for intravascular renal neuromodulation are disclosed herein. A catheter treatment device includes an expandable mesh structure configured to position an energy delivery element in contact with a renal artery via an intravascular path. ... Medtronic Inc

05/07/15 / #20150126986

Apparatus and methods related to constrained deployment of cryogenic balloons for limited cryogenic abiation of vessel walls

Embodiments related to cryogenically ablating a portion of the inner surface of a vessel by constraining a cryoballoon using various apparatuses and methods are disclosed. For example, a catheter can include a cryoballoon for ablation of the vessel wall and a constraining element disposed substantially in parallel with the cryoballoon to deflect or offset a portion of the cryoballoon away from non-target tissue of the vessel wall and prevent ablation of the non-target tissue. ... Medtronic Inc

05/07/15 / #20150126978

Methods and devices for localized inhibition of inflammation by ablation

Provided herein are methods, systems, and devices for increasing il-10 expression, inhibiting inflammation, and treating inflammatory conditions using thermal ablation.. . ... Medtronic Inc

05/07/15 / #20150126934

Insertion device systems and methods

An insertion device may include a device housing configured to be operatively engaged with and disengaged from a base, and engageable with an actuation device, the device housing having a carrier body supporting a piercing member. The carrier body moveable by a carrier body of the actuation device at least between a retracted position and an advanced position. ... Medtronic Inc

05/07/15 / #20150126841

Method and determination of cardiac activation from electrograms with multiple deflections

A method and system for determining activation times for electric potentials from complex electrograms to identify the location of arrhythmic sources or drivers. The method includes counting a number deflections in a recorded cardiac electrogram signal from at least one electrode for a predetermined amount of time. ... Medtronic Inc

05/07/15 / #20150126839

Foley catheter with ring electrodes

An apparatus for monitoring a nerve includes a foley type catheter having an exterior surface, and first and second pairs of ring electrodes formed on the exterior surface of the foley catheter. Each of the first and second pairs of ring electrodes is configured to perform at least one of stimulating the nerve and recording nerve activity.. ... Medtronic Inc

05/07/15 / #20150126833

Techniques for mitigating motion artifacts from implantable physiological sensors

Disclosed techniques include monitoring a physiological characteristic of a patient with a sensor that is mounted to an inner wall of a thoracic cavity of the patient, and sending a signal based on the monitored physiological characteristic from the sensor to a remote device.. . ... Medtronic Inc

05/07/15 / #20150126822

Congestive heart failure risk status determination methods and related devices

Embodiments relate to devices and methods for monitoring, identifying, and determining risk of congestive heart failure (chf) hospitalization. Methods include determining physiological values of a patient by electrocardiogram (ecg), bioimpedance, and 3-axis accelerometer, filtering the physiological values, comparing physiological values to baseline parameters and determining chf risk. ... Medtronic Inc

05/07/15 / #20150123800

Ice message system and method

An ice message system and method having a medical system for use with a patient, the medical system including a personal medical device attached to the patient and a display operably connected to the personal medical device. The personal medical device includes a monitor operable to detect an emergency condition at the personal medical device, and a processor operably connected to the monitor and operable to select an ice message in response to the emergency condition. ... Medtronic Inc

05/07/15 / #20150122647

Enzyme matrices for use with ethylene oxide sterilization

The invention pertains to analyte sensors designed to include layered compositions that provide these sensors with enhanced functional and/or material properties including, for example, resistance to damage caused by ethylene oxide during sterilization processes. Embodiments of the invention include polyvinyl alcohol n-methyl-4(4′-formylstyryl)pyridinium (sbq) polymer materials and methods for employing such materials during the ethylene oxide sterilization of glucose sensors.. ... Medtronic Inc

05/07/15 / #20150122645

Enzyme matrices for biosensors

Embodiments of the invention provide analyte sensors formed from layered materials that include polymeric enzyme compositions selected to provide advantageous material properties, as well as methods for making and using such sensors. Typical embodiments of the invention include glucose sensors used in the management of diabetes.. ... Medtronic Inc

04/30/15 / #20150119982

Heart valve prosthesis

. . Mitral valve prosthesis are disclosed that include a frame or support structure having an inflow portion, a valve-retaining tubular portion and a pair of support arms. The inflow portion radially extends from a first end of the valve-retaining tubular portion and the pair of support arms are circumferentially spaced apart and radially extend from an opposing second end of the valve-retaining tubular portion. ... Medtronic Inc

04/30/15 / #20150119980

Stented prosthetic heart valve

A stented prosthetic heart valve including a stent assembly, a leaflet assembly, and mounting members. The stent assembly includes a stent post frame, a stent post frame covering, and a base frame. ... Medtronic Inc

04/30/15 / #20150119974

Modular valve prosthesis with anchor stent and valve component

A modular valve prosthesis includes an anchor stent and a valve component. The anchor stent includes a self-expanding tubular frame member configured to be deployed in the aorta and a proximal arm component extending from a proximal end of the tubular frame member and configured to be deployed in the sinuses of the aortic valve. ... Medtronic Inc

04/30/15 / #20150119964

Medical lead fastener including integrated clamp

This disclosure includes techniques for securing the proximal ends of a medical lead to the connector block of an imd with a fastener device that incorporates a flexible clamp. A fastener device for a medical device comprising a flexible clamp forming a clamp aperture, wherein the flexible clamp includes a clamp protrusion configured to facilitate actuation of the flexible clamp, a rigid body, wherein the rigid body connects to and surrounds the flexible clamp, and an actuator configured to actuate on the clamp protrusion to change a perimeter of the clamp aperture, wherein the change of the perimeter of the clamp aperture by the actuator is configured to apply a compressive force about a perimeter of an electrical contact of a medical lead in the clamp aperture to electrically and mechanically connect the medical lead to the fastener device.. ... Medtronic Inc

04/30/15 / #20150119951

Electrical stimulation therapy for lower urinary tract dysfunction and sexual reflex dysfunction

Electrical stimulation therapy may be delivered to a patient to selectively and independently address different conditions of a pelvic floor disorder of the patient. The conditions of a pelvic floor disorder may include, for example, a lower urinary tract dysfunction (e.g., urinary or fecal incontinence) and sexual dysfunction (e.g., an impaired sexual reflex response to a sexual stimulus). ... Medtronic Inc

04/30/15 / #20150119950

Automated phrenic nerve stimulation and pacing capture threshold test

A medical device system performs a method for determining pacing threshold data. Signals are received from a cardiac capture sensor and a phrenic nerve stimulation sensor. ... Medtronic Inc

04/30/15 / #20150119926

Tissue compression device with pressure indicator

Tissue compression devices having pressure indicators and methods of using the same. The tissue compression devices provide feedback to a user with respect to the pressure being applied to selected tissue at a selected location such as a radial artery to assist the user in applying the desired amount of pressure to the tissue (such as the pressure needed to achieve hemostasis at an access site). ... Medtronic Inc

04/30/15 / #20150119925

Tissue compression device with tension limiting strap retainer

Tissue compression devices having a tension limiting strap retainer and methods of using the same. The tissue compression devices described herein may include a strap retainer that is attached to a base by an elastic member that is configured to draw the strap retainer towards the base. ... Medtronic Inc

04/30/15 / #20150119874

Guard device for surgical cutting and evoked potential monitoring system

A guard for use with a surgical cutting system. The guard includes a housing and wiring. ... Medtronic Inc

04/30/15 / #20150119868

Feedback system for cryoablation of cardiac tissue

A method and system for providing lesion depth feedback during an ablation procedure. In particular, the method and system provide feedback data or information relating to lesion depth in myocardial tissue during a cryoablation procedure. ... Medtronic Inc

04/30/15 / #20150119867

Gastrointestinal neuromodulation and associated systems and methods

Methods for treating gastrointestinal conditions, conditions associated with sympathetic and/or parasympathetic activity in the gastrointestinal organs, and conditions associated with central sympathetic and/or parasympathetic activity in a patient with therapeutic gastrointestinalneuromodulation and associated systems and methods are disclosed herein. One aspect of the present technology is directed to methods that at least partially inhibit sympathetic neural activity in nerves proximate a gastrointestinal artery of a gastrointestinal organ of a patient. ... Medtronic Inc

04/30/15 / #20150119846

Medical device communication with wireless telemetry head

In some examples, a method including wirelessly communicating, using an external medical device, with an implantable medical device via a telemetry head device, wherein the telemetry head device includes a power source configured to supply operational power to the telemetry head device; determining a first power level of the power source while the external medical device wirelessly communicates with the implantable medical device via the telemetry head device; suspending wireless communication between the implantable medical device and the external medical device based on the determined first power level. The wireless communication may be resumed, e.g., at the point communication was suspended, upon determining that the power level of the power source has been increased after the communication was suspended.. ... Medtronic Inc

04/30/15 / #20150119821

Prefilled reservoir apparatus for ambulatory infusion device

Prefilled reservoir apparatuses for use in ambulatory infusion devices include a rigid top and a flexible bag that forms at least a portion of a reservoir containing a liquid medicament composition. The reservoir apparatuses include a septum assembly that includes a fluid flow path in communication with the reservoir and a self-sealing septum disposed in or over the fluid flow path. ... Medtronic Inc

04/30/15 / #20150119804

Personalized housing for ambulatory infusion device

An ambulatory infusion device includes a common module having a pump mechanism and a fluid flow path in communication with the pump mechanism. The device also includes a custom module operably coupleable to the common module. ... Medtronic Inc

04/30/15 / #20150119773

Tissue compression device with multi-chamber bladder

Tissue compression devices including a multi-chamber bladder that is retained within the tissue compression device, with the multi-chamber bladder being positioned in a bladder orifice in a base of a compression device body. The multi-chamber bladder includes at least one upper chamber located above the base and at least one lower chamber located below the base. ... Medtronic Inc

04/30/15 / #20150119751

Devices and methods for sensing physiological signals during stimulation therapy

Devices and methods provide for the sensing of physiological signals during stimulation therapy by preventing stimulation waveform artifacts from being passed through to the amplification of the sensed physiological signal. Thus, the amplifiers are not adversely affected by the stimulation waveform and can provide for successful sensing of physiological signals between stimulation waveform pulses. ... Medtronic Inc

04/30/15 / #20150119692

Non-invasive evaluation of fit and sizing of device prior to implant

Maximum and minimum dimensional characteristics of a conduit are determined by imaging a portion of the conduit into which an expandable medical device is to be implanted at appropriate points in the cardiac cycle (or other suitable cycle, such as the respiratory cycle, or at other suitable times). The dimensional characteristics of the conduits within the portion of interest may be evaluated and compared to the maximum and minimum dimensional characteristics of the medical device to be implanted in the conduit to determine whether the medical device is of an appropriate size for properly fitting in the conduit.. ... Medtronic Inc

04/30/15 / #20150119358

Chitosan paste wound dressing

A method for treating a wound with a ready-to-use composition having a high concentration of a water-soluble chitosan in a phosphate-containing solution. The composition is a paste at room temperature, has a ph of at least 4, adheres to the body tissue or surgical site and has a residence time of at least 1 day.. ... Medtronic Inc

04/30/15 / #20150119357

Chitosan stenting paste

Nasal or sinus site may be treated with a ready-to-use paste having a high concentration of a water-soluble chitosan, an osmolality reducing agent in a phosphate-containing solution. The paste forms at room temperature, has a ph of at least 4 and the osmolality reducing agent does not crosslink with the water-soluble chitosan. ... Medtronic Inc

04/30/15 / #20150117645

Medical device communication using encryption based on correlated motion

Devices, systems, and techniques for generating an encryption key using detected motion from a device. In one example, a method may include receiving movement information indicative of motion detected by a first device during a period of time in which the first device and a second device were bumped together, determining a set of values that represent at least one characteristic of the movement information, and generating, based on the set of values, an encryption key for at least one of encrypting and decrypting data communicated between the first device and the second device. ... Medtronic Inc

04/30/15 / #20150114891

Fluid circuit for delivery of renal replacement therapies

A portable dialysis cabinet for use in dialysis. The portable dialysis cabinet can have a size and weight that facilitates easy movement of the cabinet from one location to another with relative ease. ... Medtronic Inc

04/30/15 / #20150114864

Wire management featured integrated into petg tray for em trackable disposable products

A packaging assembly for an electromagnetic trackable surgical tool and wiring thereof. The packaging assembly includes a first tray with at least one first retention member configured to couple the surgical tool to the first tray. ... Medtronic Inc

04/30/15 / #20150114092

Filling implantable medical devices for leak checking

A method for introducing an analyte gas into a cavity of an implantable medical device includes analyzing gas that exits the cavity through an outlet in communication with the cavity and introducing an analyte gas into the cavity via an inlet in communication with the cavity until the composition of the gas exiting the cavity comprises a predetermined percent or amount of the analyte gas. The inlet and outlet may be sealed, and the device may be leak tested.. ... Medtronic Inc

04/23/15 / #20150112430

Systems, devices and methods for transcatheter valve delivery

A heart valve therapy system including a delivery device and a stented valve. The delivery device includes an outer sheath, an inner shaft, an optional hub assembly, and a plurality of tethers. ... Medtronic Inc

04/23/15 / #20150112418

Segmented balloon expandable stent graft with reduced foreshortening

A segmented balloon expandable stent graft includes a graft material and a plurality of cylindrical stent elements coupled to the graft material. The plurality of cylindrical stent elements are plastically deformable when expanded from a radially compressed configuration to a radially expanded configuration. ... Medtronic Inc

04/23/15 / #20150112347

Micro-saw blade for bone-cutting surgical saws

A surgical cutting blade for cutting bone material when the blade is coupled to a hand-held surgical saw having protrusions extending therefrom that interface with the cutting blade. The cutting blade includes a distal end comprising a plurality of cutting teeth and a shank portion adjacent the distal end. ... Medtronic Inc

04/23/15 / #20150112321

Current control methods and systems

Apparatus, systems, and methods of controlling energy delivered to electrodes used in electrically and/or thermally induced neuromodulation are provided to improve neuromodulation. In particular, a catheter treatment device having a control algorithm that regulates current or current density delivered to an electrode is provided. ... Medtronic Inc

04/23/15 / #20150112302

Methods and systems for inhibiting foreign-body responses in diabetic patients

Methods and devices are provided for reducing a diabetic patient's foreign body immune response, including infusion site-loss and/or occlusion. Such foreign body responses are associated with the treatment of the diabetic patient where the treatment requires subcutaneous implantation of a foreign body, such as a cannula or catheter. ... Medtronic Inc

04/23/15 / #20150112234

Devices, systems, and methods for the selective positioning of an intravascular ultrasound neuromodulation device

Devices, systems, and methods for the selective positioning of an intravascular ultrasound neuromodulation device are disclosed herein. One aspect of the present technology is directed to positioning systems for focused ultrasound devices. ... Medtronic Inc

04/23/15 / #20150112217

Method and apparatus for cardiac function monitoring

A method and medical device for monitoring cardiac function in a patient that includes a plurality of electrodes to deliver cardiac pacing therapy, and a processor configured to determine a pacing threshold in response to initial delivery of the pacing therapy, determine whether there is a change in the pacing threshold during initial delivery of the pacing therapy, adjust a delivery parameter of the pacing therapy in response to determining whether there is a change in the pacing threshold during initial delivery of the pacing therapy, determine whether there is a decrease in the pacing threshold during delivery of the adjusted pacing therapy, and determine hyperkalemia in response to the decrease in the pacing threshold during delivery of the adjusted pacing therapy being present.. . ... Medtronic Inc

04/23/15 / #20150112216

Method and apparatus for cardiac function monitoring

A method and medical device for monitoring cardiac function in a patient that includes a plurality of electrodes to deliver cardiac pacing therapy, and a processor configured to determine a pacing threshold in response to initial delivery of the pacing therapy, determine whether there is a change in the pacing threshold during initial delivery of the pacing therapy, adjust a delivery parameter of the pacing therapy in response to determining the change in the pacing threshold during initial delivery of the pacing therapy, determine whether there is an increase in the pacing threshold during delivery of the adjusted pacing therapy, and determine hypokalemia in response to the increase in the pacing threshold during delivery of the adjusted pacing therapy being present.. . ... Medtronic Inc

04/23/15 / #20150111918

Immune system neuromodulation and associated systems and methods

Methods for treating a patient using therapeutic immune system neuromodulation and associated devices, systems, and methods are disclosed herein. One aspect of the present technology is directed to methods including modulating nerves proximate a vessel or duct of an immune system organ using an intravascularly or intraluminally positioned therapeutic element. ... Medtronic Inc

04/23/15 / #20150110849

Antimicrobial accessory for an implantable medical device

An antimicrobial accessory may include a pressure sensitive adhesive and an antimicrobial mixed in the pressure sensitive adhesive. In some examples, an antimicrobial accessory may include at least one first domain comprising a pressure sensitive adhesive and a first antimicrobial and at least one second domain including a second polymer and a second antimicrobial. ... Medtronic Inc

04/23/15 / #20150107089

Implantable medical device

A method of manufacturing an implantable medical device having reduced mri image distortion, includes producing an implantable medical device. The implantable medical device has a configuration that comprises a housing and one or more internal components disposed within the housing. ... Medtronic Inc

04/16/15 / #20150106124

Date and time accuracy testing patient data transferred from a remote device

A system and method for ensuring the accuracy of health related information. This system is used for receiving, processing, analyzing, and verifying the accuracy of healthcare data prior to its transmission to a client. ... Medtronic Inc

04/16/15 / #20150105836

Leadless pacemaker system

A device includes a signal generator module, a processing module, and a housing. The signal generator module is configured to deliver pacing pulses to an atrium. ... Medtronic Inc

04/16/15 / #20150105809

Catheter pull wire actuation mechanism

A catheter has an elongate tubular component that defines a pull wire lumen, which extends along at least a portion of a length thereof. A pull wire extends within the pull wire lumen with a distal end of the pull wire being secured near a distal end of the catheter. ... Medtronic Inc

04/16/15 / #20150105793

Methods and devices for subcutaneous lead implantation

Devices and implantation methods utilizing subcutaneous placement into a patient are disclosed for the insertion, advancement and positioning of a subcutaneous implantable medical device (simd) such as a medical electrical lead. The simd is releasably-engaged with a device in accordance with embodiments of this disclosure, and advanced from an incision of the patient to an implant location. ... Medtronic Inc

04/16/15 / #20150105731

Therapeutic agent injection device and body

A therapeutic agent injection device and body with a single piece body for an injection device including a planar deck having a patient face, the planar deck having cutouts around and through the planar deck, the planar deck including a delivery tube port on the patient face; a port segment attached opposite the patient face of the planar deck, the port segment including an introducer port including an introducer channel and an injection port including an injection channel the introducer channel being in fluid communication with the injection channel and the delivery tube port; and attachment projections protruding from the patient face.. . ... Medtronic Inc

04/16/15 / #20150105724

Therapeutic agent injection device

A therapeutic agent injection device including an injection device for delivering a therapeutic agent to a patient having a body, the body having a patient face and an port face opposite the patient face, the port face having an introducer port including an introducer channel and an injection port including an injection channel, the introducer channel being in fluid communication with the injection channel through a cross channel, the injection channel defining an injection axis; a delivery tube for subcutaneous delivery of the therapeutic agent to the patient, the delivery tube projecting from and being generally perpendicular to the patient face, the delivery tube defining an introducer axis and being in fluid communication with the injection port; and a patch, the patch being attached to the patient face and being operable to adhesively attach to the patient; wherein the injection axis is parallel to the introducer axis.. . ... Medtronic Inc

04/16/15 / #20150105720

Therapeutic agent injection device

A therapeutic agent injection device including an injection device for delivering a therapeutic agent to a patient having a body, the body having a patient face and an port face opposite the patient face, the port face having an introducer port including an introducer channel and an injection port including an injection channel, the introducer channel being in fluid communication with the injection channel through a cross channel, the injection channel defining an injection axis; a delivery tube for subcutaneous delivery of the therapeutic agent to the patient, the delivery tube projecting from and being generally perpendicular to the patient face, the delivery tube defining an introducer axis and being in fluid communication with the injection port; and a patch, the patch being attached to the patient face and being operable to adhesively attach to the patient; wherein the injection axis is parallel to the introducer axis.. . ... Medtronic Inc

04/16/15 / #20150105644

Method and/or system for multicompartment analyte monitoring

Subject matter disclosed herein relates to monitoring and/or controlling levels of an analyte in bodily fluid. In particular, estimation of a concentration of the analyte in a first physiological compartment based upon observations of a concentration of the analyte in a second physiological compartment may account for a latency in transporting the analyte between the first and second physiological compartments.. ... Medtronic Inc

04/16/15 / #20150104085

Method and system for ranking instruments

A system including or receiving information regarding the geometry of a patient can be used to identify possible or appropriate instruments for a patient. Instruments can include pacing and defibrillation leads. ... Medtronic Inc

04/16/15 / #20150101841

Hermetic conductive feedthroughs for a semiconductor wafer

A glass wafer has an internal surface and an opposing external surface separated by a wafer thickness. A hermetic, electrically conductive feedthrough extends through the wafer from the internal surface to the opposing external surface. ... Medtronic Inc

04/16/15 / #20150101188

Medical leads and related systems that include coiled filars with longitudinally straight ends

Medical leads included coiled filars that have longitudinally straight ends. The coiled filars may be coiled at a constant pitch until reaching the point where the filars become longitudinally straight. ... Medtronic Inc

04/09/15 / #20150100106

Trial stimulation systems

A trial stimulation system includes a disposable trial electrical stimulator that, in some examples, is sterilized for a single use in a stimulation trial of one patient. Additionally, systems for securing a disposable trial stimulator to the body of a patient are described, which may function to improve the durability of the system during the trial period and reduce the risk of damage or malfunction to the system due to lead/electrode dislocation and/or off-label uses like showering or bathing with the trial stimulator still secured to the body.. ... Medtronic Inc

04/09/15 / #20150100009

Surgical and post surgical fluid management

Methods, devices and systems provide information regarding fluid capacity of a patient before, during or after surgeries in which hemodilution may be a concern, such as cpb, rather than providing only information regarding hematocrit levels. The fluid capacity of the patient may be displayed to allow a health care provider to make decisions regarding effects of addition of fluid to the blood compartment of the patient.. ... Medtronic Inc

04/09/15 / #20150097734

Implantable medical devices having hollow sleeve cofire ceramic structures and methods of fabricating the same

An implantable medical device (imd) antenna and methods of fabricating the same are provided. An imd can include a ceramic structure having at least one wall defining a hollow cavity. ... Medtronic Inc

04/09/15 / #20150096167

Implantable medical devices having hollow cap cofire ceramic structures and methods of fabricating the same

An implantable medical device (imd) antenna and methods of fabricating the same are provided. An imd can include a ceramic structure having at least one wall defining a hollow cavity. ... Medtronic Inc

04/02/15 / #20150094790

Trial stimulation systems

A trial stimulation system includes a disposable trial electrical stimulator that, in some examples, is sterilized for a single use in a stimulation trial of one patient. Additionally, systems for securing a disposable trial stimulator to the body of a patient are described, which may function to improve the durability of the system during the trial period and reduce the risk of damage or malfunction to the system due to lead/electrode dislocation and/or off-label uses like showering or bathing with the trial stimulator still secured to the body. ... Medtronic Inc

04/02/15 / #20150094789

Implantable device with chassis element

A implantable active medical device includes a chassis plate having a first major surface and an opposing second major surface, an elongate lead connector fixed to the first major surface and extending orthogonally away from the first major surface and a circuit board fixed to the first major surface and extending orthogonally away from the first major surface. A hermetic housing defines a sealed housing cavity. ... Medtronic Inc

04/02/15 / #20150094735

Tools and assemblies thereof for implantable medical devices

A tool has an outer assembly, which includes a deployment tube, extending around, and moveable with respect to an inner assembly of the tool; the inner assembly includes a single pull wire and a distal member configured to engage an end of an implantable medical device. The deployment tube includes an articulating segment located just proximal to an enlarged distal-most portion, which contains the device and the distal member. ... Medtronic Inc

04/02/15 / #20150094701

Triple balloon catheter

The present invention advantageously provides a method and system for cryogenically ablating large areas of tissue within the left atrium. In an exemplary embodiment a cryotherapy device includes a catheter body, a proximal end and a distal end; a first lumen; a second lumen; and an ablation element expandable from a first diameter to a second diameter, the ablation element having a surface portion that conforms to the uneven surface topography of the cardiac tissue. ... Medtronic Inc

04/02/15 / #20150094668

Interventional medical systems, tools, and assemblies

A tether holder has a locking portion, for securing a proximal end of a tether, and a pin portion that may fit within a receptacle of a handle assembly of a tool. A distal member of an inner assembly of the tool engages an implantable medical device, from which the tether extends, through at least one lumen of the inner assembly and out through a proximal port of the handle assembly, which is located in proximity to the receptacle. ... Medtronic Inc

04/02/15 / #20150094651

System and method for delivery of biologic agents

A delivery system for delivering a therapeutic agent to a patient includes a catheter, a stop feature, a container and a bar. The catheter has a proximal end and a distal end and includes a body defining a lumen that extends to the distal end of the catheter. ... Medtronic Inc

03/26/15 / #20150088249

Heart valve delivery catheter with safety button

Valve delivery catheter assemblies including components that limit trauma to the expanded prosthetic valve and body channels as the distal tip of the catheter is withdrawn through the expanded valve and thereafter from the body. Catheter assemblies according to the present invention can include a handle assembly, an introducer sheath, and a distal tip assembly. ... Medtronic Inc

03/26/15 / #20150088245

Medical device delivery systems and methods

A delivery system for deploying a medical device includes a first attachment member configured to selectively couple to and radially constrain a first end portion of the medical device. The delivery system also includes a second attachment member configured to selectively couple to and radially constrain a second end portion of the medical device. ... Medtronic Inc

03/26/15 / #20150088227

Trial stimulation systems

A trial stimulation system includes a disposable trial electrical stimulator that, in some examples, is sterilized for a single use in a stimulation trial of one patient. Additionally, systems for securing a disposable trial stimulator to the body of a patient are described, which may function to improve the durability of the system during the trial period and reduce the risk of damage or malfunction to the system due to lead/electrode dislocation and/or off-label uses like showering or bathing with the trial stimulator still secured to the body.. ... Medtronic Inc

03/26/15 / #20150088216

Method and apparatus for automatic configuration of implantable medical devices

A system including a programmable implantable monitoring device and a programmer for programming the device and a method of use thereof. The programmer may be configured to transmit programming commands responsive to entry of a reason for monitoring to the implantable device including a prioritization of an arrhythmia storage criterion. ... Medtronic Inc

03/26/15 / #20150088157

Percutaneous flat lead introducer

In general, the invention is directed to a technique for percutaneously introducing a stimulation lead into a target stimulation site via the epidural region proximate the spine of a patient. The process of introducing the stimulation lead may include the use of a hollow stimulation lead introducer, which comprises an elongated sheath and an elongated dilator. ... Medtronic Inc

03/26/15 / #20150088113

Cryotherapeutic devices for renal neuromodulation and associated systems and methods

Cryotherapeutic devices for renal neuromodulation and associated systems and methods are disclosed herein. A cryotherapeutic device configured in accordance with a particular embodiment of the present technology can include an elongated shaft having a distal portion and a supply lumen along at least a portion of the shaft. ... Medtronic Inc

03/26/15 / #20150088111

Renal neuromodulation methods and systems for treatment of hyperaldosteronism

Methods for treating hyperaldosteronism with therapeutic renal neuromodulation and associated systems and methods are disclosed herein. One aspect of the present technology, for example, is directed to methods that at least partially inhibit sympathetic neural activity in renal nerves proximate a renal blood vessel of a human patient. ... Medtronic Inc

03/26/15 / #20150088093

Implantable medical devices storing graphics processing data

In one example, a device includes a telemetry module configured to retrieve graphics processing data from a device that is not configured to perform a rendering process using the graphics processing data and that is associated with delivering therapy to a therapy target of a patient, and a control unit configured to apply the graphics processing data while performing the rendering process to generate an image of an anatomical feature of the patient, wherein the anatomical feature comprises the therapy target for an implantable medical device, and to cause a display unit of a user interface to display the image, wherein the image of the anatomical feature is specific to the patient. The graphics processing data may include a list of vertices or a transform to be applied to a non-patient-specific anatomical atlas. ... Medtronic Inc

03/26/15 / #20150088047

Monitoring fluid volume for patients with renal disease

A method includes monitoring an indicator of fluid volume of a patient via a sensor device, and setting an initial fluid volume removal prescription for a blood fluid removal session based on the monitored indicator of fluid volume. The method may further include transmitting data regarding the indicator of fluid volume from the implantable sensor device to fluid removal device. ... Medtronic Inc

03/26/15 / #20150087896

Implantable urinary tract valve

A urinary tract valve includes an expandable valve element positionable within a bladder of a patient via a urinary tract of the patient in a collapsed configuration. The expandable valve element is configured to transition from the collapsed configuration to an expanded configuration after being positioned within the bladder of the patient. ... Medtronic Inc

03/26/15 / #20150083647

Portable dialysis cabinet

A portable dialysis cabinet for use in dialysis. The portable dialysis cabinet can have a size and weight that facilitates easy movement of the cabinet from one location to another with relative ease. ... Medtronic Inc

03/26/15 / #20150082618

Shielded implantable medical lead with reduced torsional stiffness

Shields within implantable leads increase the torsional stiffness of the leads. The torsional stiffness may be reduced by cutting the shield axially to break the circumferential mechanical continuity of the shield. ... Medtronic Inc

03/19/15 / #20150081011

Systems and methods for loading a valve prosthesis onto a catheter

A medical device loading system can comprise a first housing, a second housing, and a plate. The first housing comprises a first open end, a first tapered inner surface, and a second open end. ... Medtronic Inc

03/19/15 / #20150080995

Structures and techniques for medical lead fabrication

A medical lead may be fabricated using an electrode fixture ((130a)-(130d)) configured to facilitate circumferential and axial alignment between electrodes of the lead. In one example, a method includes positioning an electrode fixture around at least one conductor of a plurality of conductors (122) for a medical lead, wherein the electrode fixture at least partially retains an electrode assembly. ... Medtronic Inc

03/19/15 / #20150080988

Medical system lead adapter providing for customized stimulation pattern for a secondary lead

Medical system lead adapters distribute stimulation signals from a port of a medical device to both a primary medical lead and a secondary medical lead. The lead adapters provide for the selectable bridging of secondary lead contacts to thereby provide for customized stimulation patterns. ... Medtronic Inc

03/19/15 / #20150080977

Implantable medical device telemetry in disruptive energy field

An implantable medical device may include a telemetry module, a sensing module, a therapy delivery module, and a processor. The processor may be configured to detect a patient event based on data generated by the sensing module, operate the imd in a first mode in which the telemetry module is disabled and the therapy delivery module is at least partially disabled when the patient event is not detected, and operate the imd in a second mode in which the telemetry module is enabled and the therapy delivery module is at least partially disabled when the patient event is detected. ... Medtronic Inc

03/19/15 / #20150080926

Ultrasound apparatuses, systems, and methods for renal neuromodulation

Medical devices, systems, and methods for achieving renal neuromodulation by extracorporeal application of energy are disclosed herein. One aspect of the present disclosure is directed to apparatuses, systems, and methods that incorporate a device that employs high-intensity focused ultrasound. ... Medtronic Inc

03/19/15 / #20150080885

Methods for bilateral renal neuromodulation

Methods and apparatus are provided for bilateral renal neuromodulation, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

03/19/15 / #20150080884

Methods for monopolar renal neuromodulation

Methods and apparatus are provided for monopolar neuromodulation, e.g., via a pulsed electric field. Such monopolar neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

03/19/15 / #20150080873

Methods for therapeutic renal neuromodulation

Methods and apparatus are provided for treating hypertension, e.g., via a pulsed electric field, via a stimulation electric field, via localized drug delivery, via high frequency ultrasound, via thermal techniques, etc. Such neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

03/19/15 / #20150080872

Renal neuromodulation for treatment of patients

A method and apparatus for treatment of heart failure, hypertension and renal failure by stimulating the renal nerve. The goal of therapy is to reduce sympathetic activity of the renal nerve. ... Medtronic Inc

03/19/15 / #20150080870

Balloon catheter with deformable fluid delivery conduit

A medical device, including an elongate body having a proximal portion and a distal portion; a shaft at least partially disposed within the elongate body; an expandable element at the distal portion of the elongate body; and a fluid delivery conduit defining a deflectable segment movably coupled to the shaft, the deflectable segment being transitionable from a substantially linear configuration to a substantially curvilinear configuration.. . ... Medtronic Inc

03/19/15 / #20150080844

Therapy for kidney disease and/or heart failure by intradermal infusion

Intradermal delivery devices, systems and methods thereof for the administration of a natriuretic or chimeric peptide are described. The described delivery devices, systems and methods provide for the treatment of pathological conditions such as kidney disease alone, heart failure alone, concomitant kidney disease and heart failure, or cardiorenal syndrome by delivery of a natriuretic or chimeric peptide through a microneedle array using a delivery pump. ... Medtronic Inc

03/19/15 / #20150080736

Percutaneous needle guide and methods of use

An indicator element of a percutaneous needle guide for a medical scanning device includes a pointer for pointing to a percutaneous needle entry site on an epidermis of a body, when the guide is attached to the device and the device is positioned over the epidermis for scanning a user may orient and insert a needle into the entry site according to the direction of the pointer, by just viewing the pointer, without the needle being constrained by the pointer. The guide may include an adjustment mechanism for moving the indicator element with respect to the device, when the guide is attached to the device; the adjustment mechanism moves the indicator element, without changing an orientation of the pointer, in a direction approximately parallel to a plane that is approximately tangent with an apex of the device transducer surface and approximately perpendicular to a longitudinal axis of the device.. ... Medtronic Inc

03/19/15 / #20150080688

System for identifying the location of a device within a patient's body in order to locate the fossa ovalis for trans-septal procedures

A system and method for identifying the location of a medical device within a patient's body may be used to localize the fossa ovalis for trans-septal procedures. The systems and methods measure light reflected by tissues encountered by an optical array. ... Medtronic Inc

03/19/15 / #20150080685

Equilibrium non-consuming fluorescence sensor for real time intravascular glucose measurement

Embodiments of the present invention relates to analyte sensors. In particular, the preferred embodiments of the present invention relate to non-consuming intravascular glucose sensors based on fluorescence chemistry.. ... Medtronic Inc

03/19/15 / #20150080682

Monitoring fluid volume for patients with renal disease

A method includes monitoring an indicator of fluid volume of a patient via a sensor device, and setting an initial fluid volume removal prescription for a blood fluid removal session based on the monitored indicator of fluid volume. The method may further include transmitting data regarding the indicator of fluid volume from the implantable sensor device to fluid removal device. ... Medtronic Inc

03/19/15 / #20150080674

Techniques for data retention upon detection of an event in an implantable medical device

Methods and apparatus for storing data records associated with a medical monitoring event in a data structure. These include initiating loop recording in an implantable medical device upon determination of a neurological event, wherein loop recording comprises storing a data record of a plurality of data records in a data structure, the plurality of data records representing information about determined neurological events. ... Medtronic Inc

03/19/15 / #20150078647

Automatic implant detection from image artifacts

A computer-implemented method of implant detection includes receiving a three-dimensional (3d) image of an anatomy portion of a patient from computed tomography (ct) projections of the patient in an image processing computing system. A cluster of voxels forming an implant candidate is identified on a ct slice of the 3d image and the identified implant candidate is compared with artifacts of implants from an implant database stored in a memory of the computing system. ... Medtronic Inc

03/12/15 / #20150073831

Evaluating population indicated for medical therapies

A method may include, receiving, by a computer system, indications of a plurality of attributes associated with applicable individuals, wherein each respective one of the applicable individuals is a member of a human population and is a potential user of a medical therapy. The method may further include, for each respective attribute of the plurality of attributes, receiving, by the computer system, a respective indication of a prevalence of the respective attribute, and estimating, by the computer system, based on the indications of the prevalence of the respective attributes, a number of applicable individuals. ... Medtronic Inc

03/12/15 / #20150073518

Paired medical lead bodies with braided conductive shields having different physical parameter values

Medical lead bodies that are paired each include a braided conductive shield. The braided conductive shield of one lead body has a value for a physical parameter that differs from a value for the physical parameter of the second lead body. ... Medtronic Inc

03/12/15 / #20150073515

Neuromodulation catheter devices and systems having energy delivering thermocouple assemblies and associated methods

Catheter apparatuses, systems, and methods for achieving neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a therapeutic assembly that includes an elongated tubular shaft having a pre-formed spiral shape when in a deployed state (e.g., a radially expanded, generally spiral/helical shape) and a thermocouple assembly helically wrapped about the shaft. ... Medtronic Inc

03/12/15 / #20150073514

Endovascular catheters with tuned control members and associated systems and methods

Endovascular catheters and control wires for operating the catheters and associated systems, apparatuses, and methods are disclosed include a catheter apparatus having an elongated shaft, a therapeutic assembly at a distal portion of the shaft, and a handle at a proximal portion of the shaft. An actuator is located at the handle and operably coupled to the therapeutic assembly via a tuned control member extending through the shaft. ... Medtronic Inc

03/12/15 / #20150073509

Removable heat management for recharge coils

Devices, systems, and techniques for managing heat generated in coils for wireless energy transmission are disclosed. Inductive coupling between two coils (e.g., a primary coil and a secondary coil) may be used to recharge the power source of an implantable medical device. ... Medtronic Inc

03/12/15 / #20150073507

Supply noise rejection in implantable medical devices

The present invention provides an implantable medical device having at least two electrodes coupled to the device housing. The electrodes may be configured for sensing physiological signals such as cardiac signals and alternatively for providing an electrical stimulation therapy such as a pacing or defibrillation therapy. ... Medtronic Inc

03/12/15 / #20150073497

Optimized flash memory device for miniaturized devices

An implantable medical device have an associated memory device is disclosed. The implantable medical device utilizes techniques for optimizing one or more embedded operations of the memory device, such operations including programming, reading or erasing data. ... Medtronic Inc

03/12/15 / #20150073393

Coordination of control commands and controller disable messages in a medical device system

A medical device system includes at least one controllable patient-worn or patient-carried medical device, and a plurality of controller devices that are capable of independently controlling features or functions of the patient medical device. Control commands and other data is wirelessly communicated among the patient medical device and the multiple controller devices. ... Medtronic Inc

03/12/15 / #20150073295

Apparatus and method for simultaneous capture of biopotential and tissue impedance signals

A medical device and associated method acquire a biopotential signal from a pair of electrodes at a first sampling rate and a bioimpedance signal from the pair of electrodes at a second sampling rate. An onset and/or offset of the drive signal delivered to the pair of electrodes for acquiring the bioimpedance signal is synchronized to the first sampling rate.. ... Medtronic Inc

03/12/15 / #20150073288

Method and apparatus to control conduction through the heart to treat cardiac conditions

Control of conduction through a heart is described. A lead with a proximal end and a distal end is provided. ... Medtronic Inc

03/12/15 / #20150073286

Method and apparatus for optimization of cardiac resynchronization therapy using vectorcardiograms derived from implanted electrodes

A cardiac resynchronization pacemaker and a method of adjusting the pacemaker. The method includes deriving a vectorcardiogram from implanted electrodes (d-vcg), analyzing the d-vcg, deriving optimal crt pacing parameters from the analysis of the d-vcg, and adjusting the crt pacemaker according to the derived parameters. ... Medtronic Inc

03/12/15 / #20150073247

Implantable medical devices with power supply noise isolation

The present invention provides an implantable medical device having at least two electrodes coupled to the device housing. The electrodes may be configured for sensing physiological signals such as cardiac signals and alternatively for providing an electrical stimulation therapy such as a pacing or defibrillation therapy. ... Medtronic Inc

03/12/15 / #20150073244

Determination and application of glucose sensor reliability indicator and/or metric

Disclosed are a system and method for determining a metric and/or indicator of a reliability of a blood glucose sensor in providing glucose measurements. In one aspect, the metric and/or indicator may be computed based, at least in part, on an observed trend associated with signals generated by the blood glucose sensor.. ... Medtronic Inc

03/12/15 / #20150073228

Ultra low power interface using adaptive successive approximation register

A medical device and associated method convert an analog signal using an adaptable bit number. The medical device includes an analog-to-digital (a/d) converter for receiving an analog signal. ... Medtronic Inc

03/12/15 / #20150070022

Battery recommended replacement time indicator system

A method of generating at least one recommended replacement time signal for a battery is provided. The method includes measuring a plurality of associated unloaded and loaded battery voltages. ... Medtronic Inc

03/05/15 / #20150066134

Multi-layered stents and methods of implanting

A method of percutaneously delivering a multi-layered stent assembly to a desired implantation location of a patient including the steps of radially compressing a multi-layered stent assembly to a compressed size for implantation in a patient, the multi-layered stent assembly including a first stent, a second stent coaxially positioned within at least a portion of a length of the first stent, and a valve, wherein the first stent comprises at least one different material property than the second stent. The method further includes delivering the multi-layered stent assembly to the desired implantation location of the patient using a delivery system and substantially simultaneously expanding the first stent and the second stent of the multi-layered stent assembly at the desired implantation location to a radially expanded size that is larger than the compressed size.. ... Medtronic Inc

03/05/15 / #20150066118

Intravascular neuromodulation device having a spiral track and associated methods

Assemblies, systems, and methods for intravascular neuromodulation include a method of positioning a treatment device and a track element at a treatment site in an artery of a human patient and transforming the track element from a delivery configuration to a deployed configuration to form a spiral-shaped track tending to be in apposition with an inner wall of the artery. The treatment device has a distally-located neuromodulation element for sliding along the spiral-shaped track. ... Medtronic Inc

03/05/15 / #20150066007

Neuromodulation catheters with nerve monitoring features for transmitting digital neural signals and associated systems and methods

Neuromodulation catheters with nerve monitoring features for transmitting digital neural signals and associated systems and methods are disclosed herein. A neuromodulation catheter configured in accordance with some embodiments of the present technology can include, for example, a handle and an elongated shaft attached to the handle. ... Medtronic Inc

03/05/15 / #20150066006

Neuromodulation systems having nerve monitoring assemblies and associated devices, systems, and methods

Neuromodulation systems with nerve monitoring assemblies and associated devices, systems, and methods are disclosed herein. A neuromodulation system configured in accordance with some embodiments of the present technology can include, for example, a generator, a nerve monitoring assembly configured to detect electroneurogram (eng) signals, and a neuromodulation catheter. ... Medtronic Inc

03/05/15 / #20150065989

Coordination of control commands in a medical device system based on synchronization status between devices

A medical device system includes at least one controllable patient-worn or patient-carried medical device, and a plurality of controller devices that are capable of independently controlling features or functions of the patient medical device. Control commands and other data is wirelessly communicated among the patient medical device and the multiple controller devices. ... Medtronic Inc

03/05/15 / #20150065945

Spinal neuromodulation and associated systems and methods

Methods for treating a patient using therapeutic spinal neuromodulation and associated devices, systems, and methods are disclosed herein. One aspect of the present technology is directed to methods including modulating nerves of one or more targeted organs proximate one or more dorsal root ganglia, stellate ganglia, vertebral ganglia, or cervical ganglia of the nerves using an intravascularly-positioned therapeutic element. ... Medtronic Inc

03/05/15 / #20150065872

Delivery catheter apparatus and methods

A catheter has a shaft that defines a delivery lumen, for example, to deliver an elongate medical device therethrough; a proximal section of the catheter includes a seal zone portion, a handle portion and a proximal port portion. A relatively thin wall section of the proximal port portion extends between the seal zone portion and a proximal edge that defines part of a perimeter of a proximal opening of the delivery lumen. ... Medtronic Inc

02/26/15 / #20150058627

Data driven schema for patient data exchange system

A patient data exchange system comprises at least one device. Each of the devices implements an interface. ... Medtronic Inc

02/26/15 / #20150057807

Medical devices and related updating methods and systems

Apparatus are provided for medical devices and related operating systems and methods. An exemplary medical device includes a motor, one or more data storage elements to maintain control information, and a control module coupled to the motor and the one or more data storage elements. ... Medtronic Inc

02/26/15 / #20150057730

Implantable medical leads and systems that utilize reflection points to control induced radio frequency energy

Implantable medical leads and systems utilize reflection points within the lead to control radio frequency current that has been induced onto one or more filars. The radio frequency current may be controlled by the reflection points to block at least some of the radio frequency current from reaching an electrode of the lead and to dissipate at least some of the radio frequency current as heat on the filar. ... Medtronic Inc

02/26/15 / #20150057654

Catheter apparatuses, systems, and methods for renal neuromodulation

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present application, for example, is directed to apparatuses, systems, and methods that incorporate a catheter treatment device comprising an elongated shaft. ... Medtronic Inc

02/26/15 / #20150057634

Systems and methods for updating medical devices

Systems and methods are provided for updating medical devices. An exemplary system includes a medical device and a remote device. ... Medtronic Inc

02/26/15 / #20150057614

Fluid infusion device with safety coupling

A safety coupling for a fluid infusion device is provided. The device includes a first coupling device coupled to a drive system of the fluid infusion device, and a second coupling device coupled to a stopper of a fluid reservoir associated with the fluid infusion device. ... Medtronic Inc

02/26/15 / #20150057563

Method of cmap monitoring

A method and system for monitoring phrenic nerve function and preventing phrenic nerve injury during cardiac ablation. The system includes a pacing device operable to transmit stimulation energy to the phrenic nerve through target tissue proximate the phrenic nerve, a plurality of assessment electrodes operable to make comparisons between baseline, real-time, and predetermined threshold values for cmap signal amplitude and amplitude over time. ... Medtronic Inc

02/26/15 / #20150057518

Microprocessor controlled ambulatory medical apparatus with hand held communication device

An implantable infusion pump possesses operational functionality that is, at least in part, controlled by software operating in two processor ics which are configured to perform some different and some duplicate functions. The pump exchanges messages with an external device via telemetry. ... Medtronic Inc

02/19/15 / #20150051670

Devices and methods to provide stimulation therapy in the presence of external conditions that induce undesirable perturbations

Devices and methods compensate for perturbations in a stimulation signal caused by external conditions such as a magnetic field of an mri machine so that stimulation therapy may continue in the presence of the external condition. Compensation for the perturbations during a stimulation pulse of a stimulation phase may be provided by using feedback within a stimulation current source. ... Medtronic Inc

02/19/15 / #20150051594

Ovarian neuromodulation and associated systems and methods

Methods for treating polycystic ovary syndrome with therapeutic ovarian neuromodulation and associated systems and methods are disclosed herein. Polycystic ovary syndrome can be associated, for example, with a condition including at least one of oligo/amenorrhea, infertility, hirsutism, obesity, metabolic syndrome, insulin resistance, and increased cardiovascular risk profile. ... Medtronic Inc

02/19/15 / #20150051573

Detecting conditions associated with medical device operations using matched filters

Apparatus are provided for infusion devices and related operating methods. An exemplary device includes a sensing arrangement to provide an output indicative of a characteristic that is influenced by operation of the device, and a control module that is coupled to the sensing arrangement to apply a matched filter corresponding to a condition associated with the operation of the device to the output of the sensing arrangement and detect that condition based on the filtered output. ... Medtronic Inc

02/19/15 / #20150051467

Implantable device and method for monitoring venous diameter

An implantable medical device system and associated method receive a signal from an implantable sensor operatively positioned relative to a vein, the signal being responsive to changes in a diameter of the vein. A diameter of the vein is determined in response to the sensor signal and used in estimating central venous pressure (cvp).. ... Medtronic Inc

02/12/15 / #20150045862

Feedthrough assembly for an implantable medical device

Processes for manufacture and assembly of implantable medical devices are described. In particular, techniques are provided for nondestructive electrical isolation assessment of feedthrough assemblies of the implantable medical devices. ... Medtronic Inc

02/12/15 / #20150045861

Feedthrough assembly for an implantable medical device

Processes for manufacture and assembly of implantable medical devices are described. In particular, techniques are provided for nondestructive electrical isolation assessment of feedthrough assemblies of the implantable medical devices. ... Medtronic Inc

02/12/15 / #20150045849

Criteria for optimal electrical resynchronization derived from multipolar leads or multiple electrodes during biventricular pacing

Generally, the disclosure is directed one or more methods or systems of cardiac pacing employing a right ventricular electrode and a plurality of left ventricular electrodes. Pacing using the right ventricular electrode and a first one of the left ventricular electrodes and measuring activation times at other ones of the left ventricular electrodes. ... Medtronic Inc

02/12/15 / #20150045848

Medical device to provide breathing therapy

Medical devices and methods for providing breathing therapy (e.g., for treating heart failure, hypertension, etc.) may determine at least the inspiration phase of one or more breathing cycles based on the monitored physiological parameters and control delivery of a plurality of breathing therapy sessions (e.g., each of the breathing therapy sessions may be provided during a defined time period). Further, each of the plurality of breathing therapy sessions may include delivering stimulation after the start of the inspiration phase of each of a plurality of breathing cycles to prolong diaphragm contraction during the breathing cycle.. ... Medtronic Inc

02/12/15 / #20150045811

Delivery catheter including side port and electrodes

A delivery catheter, including a catheter body, a side port, a first electrode, and a second electrode, is described. The catheter body may comprise a proximal end, a distal end, and a perimeter surface. ... Medtronic Inc

02/12/15 / #20150045807

Anchor sleeve deployment for implantable medical devices

An introducer assembly that may be employed to implant a medical device includes an introducer shaft, and an anchor sleeve and a deployment tool mounted on the shaft. According to some methods, the sleeve is deployed onto an elongate body of the medical device, after the body has been advanced through a lumen of the introducer shaft and to an implant site within a body of a patient, by pulling the introducer shaft proximally, out from the body of the patient, while holding the deployment tool in place, relative to the advanced body of the device.. ... Medtronic Inc

02/12/15 / #20150045787

Electrosurgical device and method

An electrosurgical device including an inner catheter, an outer catheter, a balloon, and a plurality of tubular electrodes. The inner catheter extends along a longitudinal axis. ... Medtronic Inc

02/12/15 / #20150045781

Method and apparatus for inflating and deflating balloon catheters

A system and method for controlling the inflation, ablation, and deflation of a balloon catheter. The system includes a balloon catheter, a console, a pressurized gas or liquid inflation source, and an umbilical system to deliver pressurized coolant to the balloon catheter. ... Medtronic Inc

02/12/15 / #20150045745

Infusion device

The disclosures made herein relate to an infusion device specifically adapted for syringe injections. In one embodiment of the disclosures made herein, an infusion device comprises a body including an accessible surface having a single inlet port therein, an engagement surface having a single outlet port therein, a medication delivery channel extending between the single inlet port and the single outlet port, and an identification feature on the accessible surface of the body adjacent to the single inlet port. ... Medtronic Inc

02/12/15 / #20150045735

Pressure vented fluid reservoir for a fluid infusion device

Disclosed herein is a fluid infusion device of the type that delivers medication fluid to the body of a patient. The device includes or cooperates with a fluid reservoir, and the device has a sealing assembly to receive and form a fluid seal with the fluid reservoir. ... Medtronic Inc

02/05/15 / #20150039081

Mitral valve prosthesis for transcatheter valve implantation

A transcatheter valve prosthesis is disclosed that has a compressed, delivery configuration and an expanded configuration for deployment within a native heart valve. The valve prosthesis includes a self-expanding frame and a prosthetic valve component. ... Medtronic Inc

02/05/15 / #20150039071

Fixation for implantable medical devices

A tine portion of an implantable medical device includes a hook segment and a distal segment extending therefrom, wherein the hook segment is pre-set to extend along a curvature and is elastically deformable therefrom to an open position. The distal segment includes a tooth and an end that surrounds the tooth, wherein the end includes a pair of legs and a distal arch. ... Medtronic Inc

02/05/15 / #20150039070

Fixation for implantable medical devices

A tine portion of an implantable medical device includes a hook segment and a distal segment terminated by a tissue-piercing tip, wherein the distal segment extends from a distal end of the hook segment to the tip. The hook segment, which is elastically deformable from a pre-set curvature, for example, defined by a single radius, preferably tapers from a first width thereof, in proximity to a proximal end thereof, to a smaller, second width thereof, in proximity to the distal end thereof, wherein the tip has a width that is greater than the second width of the hook segment. ... Medtronic Inc

02/05/15 / #20150039069

Fixation for implantable medical devices

A tine portion for an implantable medical device includes a hook segment and a distal segment terminated by a tissue-piercing tip, wherein the distal segment extends from the hook segment to the tip. The hook segment, which is elastically deformable from a pre-set curvature, has one of: a round cross-section and an elliptical cross-section, while the distal segment has a flattened, or approximately rectangular cross-section. ... Medtronic Inc

02/05/15 / #20150039064

Lead electrode for use in an mri-safe implantable medical device

A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section electrically coupled to the first section and configured to be capacitively coupled to the patient's body.. ... Medtronic Inc

02/05/15 / #20150038418

Natriuretic peptide compositions and methods of preparation

Therapeutic compositions containing natriuretic peptides for treating chronic kidney disease alone, heart failure alone, or chronic kidney disease with concomitant heart failure are described. The therapeutic compositions have enhanced stability characteristics to facilitate storage and delivery by provisioning apparatuses under conditions of elevated temperature and mechanical stress. ... Medtronic Inc

01/29/15 / #20150032174

Combination of feedback on mechanical and electrical resynchronization to select therapy parameters

A system and method select a pacing site for a cardiac pacing therapy. A change from a baseline mechanical activity is extracted from a signal of mechanical heart activity during pacing at each one of multiple pacing sites along a heart chamber. ... Medtronic Inc

01/29/15 / #20150032173
01/29/15 / #20150032172
01/29/15 / #20150032171

Identification of healthy versus unhealthy substrate for pacing from a multipolar lead

A medical device system performs a method for determining presence of scar tissue through an implanted lead having an electrode for cardiac pacing and sensing. A sensing module senses heart activity with the electrode to produce a unipolar electrogram (egm) waveform. ... Medtronic Inc

01/29/15 / #20150032112

Saw blade stability and collet system mechanism

A surgical system for cutting tissue of a patient includes an outer housing and a reciprocating assembly structurally configured to carry a cutting tool in a reciprocating motion. An actuator knob is manually accessible to the user and may be fixed axially to the outer housing. ... Medtronic Inc

01/29/15 / #20150032053

Titration for medical infusion devices and systems

Titration schemes are carried out by medical infusion devices, such as ambulatory or implantable infusion devices. The titration schemes carried out by infusion systems and devices may take into account patient side effects in controlling the rate at which a medicament is delivered from the devices of systems.. ... Medtronic Inc

01/29/15 / #20150032023

Ion imbalance detector

In general, the invention is directed to methods and devices for determining an ion concentration in the extracellular fluid of a patient. As examples, the ion may be one or more of potassium, sodium, chloride, or calcium. ... Medtronic Inc

01/29/15 / #20150032016

Identification of healthy versus unhealthy substrate for pacing from a multipolar lead

A medical device system performs a method determining presence of scar tissue. Torso-surface potential signals are received by a processor from multiple electrodes distributed on a torso of a patient. ... Medtronic Inc

01/29/15 / #20150031985

Method and apparatus for moving a reference device

Disclosed is a method and system for navigating an instrument relative to a subject. A reference device can be associated with the subject. ... Medtronic Inc

01/29/15 / #20150031973

Method and/or system for multicompartment analyte monitoring

Subject matter disclosed herein relates to monitoring and/or controlling levels of an analyte in bodily fluid. In particular, estimation of a concentration of the analyte in a first physiological compartment based upon observations of a concentration of the analyte in a second physiological compartment may account for a latency in transporting the analyte between the first and second physiological compartments.. ... Medtronic Inc

01/29/15 / #20150030916

Elongate battery for implantable medical device

A battery assembly for a medical device includes an elongate cathode, an elongate anode, an electrolyte, and an elongate housing assembly encapsulating the cathode, the anode, and the electrolyte. The battery assembly also includes a first electrode exposed from and electrically insulated from the housing assembly. ... Medtronic Inc

01/29/15 / #20150030913

Contoured battery for implantable medical devices and method of manufacture

A battery having an electrode assembly located in a housing that efficiently utilizes the space available in many implantable medical devices is disclosed. The battery housing provides a cover and a shallow case a preferably planar, major bottom portion, an open top to receive the cover opposing the bottom portion, and a plurality of sides being radiused at intersections with each other and with the bottom to allow for the close abutting of other components located within the implantable device while also providing for efficient location of the battery within an arcuate edge of the device. ... Medtronic Inc

01/22/15 / #20150025624

Transcatheter prosthetic heart valve delivery device with passive trigger release

A delivery device for percutaneously deploying a prosthetic valve includes a sheath, an inner shaft, and a release assembly. The release assembly is disposed between the sheath and the inner shaft, and includes a retraction member, a release member, and a retention member. ... Medtronic Inc

01/22/15 / #20150025622

Clocking valve retainer

Valve retainers and delivery systems with valve retainers are disclosed. In certain embodiments, a portion of the valve retainer can rotate about a central axis of the delivery system relative to a different portion of the valve retainer. ... Medtronic Inc

01/22/15 / #20150025621

Adapter to actuate a delivery system

Apparatus for actuating a delivery system are disclosed. The apparatus may comprise an adapter. ... Medtronic Inc

01/22/15 / #20150025617

Ring on a closed web stent-graft for use in tip capture

A stent-graft has a closed web end configuration in which endmost stent crowns do not extend beyond an end or edge of a tubular graft. In order to couple the stent-graft to tip capture fingers or prongs of a delivery system, the stent-graft includes a ring woven between the endmost crowns of an end stent. ... Medtronic Inc

01/22/15 / #20150025603

Methods and apparatus for multi-vessel renal neuromodulation

Methods and apparatus are provided for multi-vessel neuromodulation, e.g., via a pulsed electric field. Such multi-vessel neuromodulation may effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, action potential attenuation or blockade, changes in cytokine up-regulation and other conditions in target neural fibers. ... Medtronic Inc

01/22/15 / #20150025559

Surgical burs with geometries having non-drifting and soft tissue protective characteristics

A surgical bur includes a body and a drill point. The body includes flutes and lands. ... Medtronic Inc

01/22/15 / #20150025535

Surgical cutting instrument with near-perimeter interlocking coupling arrangement

A blade coupling mechanism for a hand-held surgical cutting instrument includes a first coupling member including a first blade-contacting surface and a first outer perimeter sidewall adjacent the first blade contacting surface. It also includes a second coupling member including a second blade-contacting surface facing the first blade-contacting surface of the first coupling member. ... Medtronic Inc

01/22/15 / #20150025527

Multi-electrode catheter assemblies for renal neuromodulation and associated systems and methods

Catheter apparatuses, systems, and methods for achieving renal neuromodulation by intravascular access are disclosed herein. One aspect of the present technology, for example, is directed to a treatment device having a multi-electrode array configured to be delivered to a renal blood vessel. ... Medtronic Inc

01/22/15 / #20150025499

Detecting unintentional motor motion and infusion device incorporating same

Apparatus are provided for infusion devices and related systems and operating methods. An exemplary system includes a motor, a sensing arrangement coupled to the motor to provide output indicative of a detected characteristic of the motor when the sensing arrangement is enabled, and a module coupled to the sensing arrangement to periodically enable the sensing arrangement while the motor is idle and detect potential unintended motion of the motor based on the output from the sensing arrangement while periodically enabling the sensing arrangement. ... Medtronic Inc

01/22/15 / #20150025457

Methods and apparatuses for detecting occlusions in an ambulatory infusion pump

An improved pump, reservoir and reservoir piston are provided for controlled delivery of fluids. A motor is operably coupled to a drive member, such as a drive screw, which is adapted to advance a plunger slide in response to operation of the motor. ... Medtronic Inc

01/22/15 / #20150022983

Techniques for bonding substrates using an intermediate layer

A method includes depositing a thin film on a first surface of a first substrate and moving a second surface of a second substrate into contact with the thin film such that the thin film is located between the first and second surfaces. The method further includes generating electromagnetic (em) radiation of a first wavelength, the first wavelength selected such that the thin film absorbs em radiation at the first wavelength. ... Medtronic Inc

01/15/15 / #20150018944

Valve positioning device

Medical devices for positioning a valve in a subject's body, such as a prosthetic heart valve in a subject's heart, are disclosed. The prosthetic heart valve may include a valve assembly, a frame, and a control arm. ... Medtronic Inc

01/15/15 / #20150018940

Helical coil mitral valve annuloplasty systems and methods

Systems and methods for modifying a heart valve annulus in a minimally invasive surgical procedure. A helical anchor is provided, having a memory set to a coiled shape or state. ... Medtronic Inc

01/15/15 / #20150018939

Delivery system with projections

Delivery systems for delivering medical devices and prosthetic heart valves in a patient's body are disclosed. The delivery system may include a catheter-based delivery system. ... Medtronic Inc

01/15/15 / #20150018930

Attachment mechanism for stent release

An attachment mechanism for coupling a stent to a delivery system is disclosed. The attachment mechanism is configured to pivot relative to an inner shaft assembly of the delivery system in order to release the stent from the delivery system.. ... Medtronic Inc

01/15/15 / #20150018920

Medical leads having forced strain relief loops

Strain relief loops are forced by being formed into medical leads such that a body of the lead imposes a force to regain the loop if the loop has been disturbed. Because the strain relief loop is forced, the surgeon implanting the medical lead is not required to create the strain relief loop as a step in the implantation procedure. ... Medtronic Inc

01/15/15 / #20150018919

Implantable medical devices including elongated conductor bodies that facilitate device and lead configuration variants

Implantable medical devices include elongated conductor bodies and related features including an attachment to the medical device at one end and a connector that receives a medical lead at the other end. The connector may have various features such as a modular design whereby the connector is constructed from a series of stacked contact modules. ... Medtronic Inc

01/15/15 / #20150018899

Lead electrode for use in an mri-safe implantable medical device

A medical lead is configured to be implanted into a patient's body and comprises a lead body, and an electrode coupled to the lead body. The electrode comprises a first section configured to contact the patient's body, and a second section capacitively coupled to the first section and configured to be electrically coupled to the patient's body.. ... Medtronic Inc

01/15/15 / #20150018839

Techniques for placing medical leads for electrical stimulation of nerve tissue

This disclosure is directed to extra, intra, and transvascular medical lead placement techniques for arranging medical leads and electrical stimulation and/or sensing electrodes proximate nerve tissue within a patient.. . ... Medtronic Inc

01/15/15 / #20150018821

Methods and apparatus for intravascularly-induced neuromodulation

Methods and apparatus are provided for intravascularly-induced neuromodulation using a pulsed electric field, e.g., to effectuate irreversible electroporation or electrofusion, necrosis and/or inducement of apoptosis, alteration of gene expression, changes in cytokine upregulation, etc., in target neural fibers. In some embodiments, the intravascular pef system comprises a catheter having a pair of bipolar electrodes for delivering the pef, with a first electrode positioned on a first side of an impedance-altering element and a second electrode positioned on an opposing side of the impedance-altering element. ... Medtronic Inc

01/15/15 / #20150018809

Heated electrodes for continued visualization of pulmonary vein potentials

A method and system for cryotreatment and mapping of target tissue. The cryotreatment system may include a cryotreatment catheter, a mapping catheter including one or more mapping electrodes, and one or more temperature sensors located on the mapping catheter and/or the cryotreatment catheter. ... Medtronic Inc

01/15/15 / #20150018808

Mapping wire with heating element to allow axial movement during cryoballoon ablation

A method and system for cryotreatment of target tissue using a cryotreatment catheter through which a mapping catheter may be freely movable, even during activation of the cryotreatment element. The cryotreatment system may include a cryotreatment catheter, a mapping catheter slidably disposed within a lumen of the cryotreatment catheter, and one or more heating elements. ... Medtronic Inc

01/15/15 / #20150018757

System and method for providing closed loop infusion formulation delivery

A system and method for providing closed loop infusion formulation delivery which accurately calculates a delivery amount based on a sensed biological state by adjusting an algorithm's programmable control parameters. The algorithm calculates a delivery amount having proportional, derivative, and basal rate components. ... Medtronic Inc

01/15/15 / #20150018708

Method and apparatus to regulate a tissue temperature

A system and method are described for sensing the orientation of a catheter relative to a tissue and regulating the application of power to maintain the tissue at a pre-determined temperature.. . ... Medtronic Inc

01/15/15 / #20150018390

Methods and compositions for treating post-operative pain comprising a local anesthetic

The present invention is directed to an implantable drug depot useful for reducing, preventing or treating post-operative pain in a patient in need of such treatment, the implantable drug depot comprising a polymer and a therapeutically effective amount of a local anesthetic or pharmaceutically acceptable salt thereof, wherein the drug depot is implantable at a site beneath the skin to reduce, prevent or treat post-operative pain, and the drug depot is capable of releasing (i) a bolus dose of the local anesthetic or pharmaceutically acceptable salt thereof at a site beneath the skin and (ii) a sustained release dose of an effective amount of the local anesthetic or pharmaceutically acceptable salt thereof over a period of at least 4 days.. . ... Medtronic Inc

01/15/15 / #20150016591

X-ray imaging system with cabling precharging module

An x-ray imaging system can include an x-ray tube, an x-ray generator, a precharging module and a triaxial cable. The x-ray tube can be configured to generate an x-ray emission and include an anode, a cathode and a filament. ... Medtronic Inc

01/15/15 / #20150013137

Combination oxygenator and arterial filter device for treating blood in an extracorporeal blood circuit

A combination oxygenator and arterial filter device for treating blood in an extracorporeal circuit includes a housing, an oxygenator, and a depth filter. The oxygenator includes a hollow fiber bundle forming an oxygenator exterior face. ... Medtronic Inc

01/08/15 / #20150012057

State machine framework for programming closed-loop algorithms that control the delivery of therapy to a patient by an implantable medical device

This disclosure describes a state machine framework for programming closed-loop algorithms that control the delivery of therapy to a patient by an implantable medical device (imd). The state machine framework may use one or more programmable state parameters to define at least part of a structure of a state machine that generates one or more therapy decisions based on one or more sensed states of the patient. ... Medtronic Inc

01/08/15 / #20150010422

Methods of manufacturing a drug-eluting stent

Methods for manufacturing an endovascular stent having channel(s) formed therein for containing a therapeutic material. A molding and sintering process forms a thin-walled tubular component having a tubular core structure encapsulated therein. ... Medtronic Inc

01/08/15 / #20150010220

Method and apparatus for image-based navigation

A system and method for a procedure that can be performed on any appropriate subject. Procedures can include assembling any appropriate work piece or installing members into a work piece, such as an airframe, autoframe, etc. ... Medtronic Inc

01/08/15 / #20150008905

Systems and methods for alignment and detection of a consumable component

Systems and methods for alignment and detection of a consumable component are disclosed herein. For example, a method for determining if a consumable component is coupled to a durable component to enable dispersion of a medicine is provided. ... Medtronic Inc

01/01/15 / #20150005875

Valve prostheses

A cardiac valve prosthesis for implantation at a native valve having leaflets includes a distal fixation member configured to be implanted downstream of a native valve and includes engagement arms configured to apply, to a native valve's downstream side, a first force directed upstream, when the distal fixation member is implanted. The number of engagement arms matches the number of native valve leaflets. ... Medtronic Inc

01/01/15 / #20150005857

Anchor deployment for implantable medical devices

A tool for deploying an anchor sleeve onto one or more implantable medical device bodies includes a holding element, on which the sleeve is mounted, and a base member having a channel, which receives the element in sliding engagement. A conduit of the holding element receives the one or more elongate bodies in sliding engagement. ... Medtronic Inc

01/01/15 / #20150005837

Methods for promoting intrinsic activation in single chamber implantable cardiac pacing systems

Cardiac pacing methods for an implantable single chamber pacing system, establish an offset rate for pacing at a predetermined decrement from either a baseline rate (i.e. Dictated by a rate response sensor), or an intrinsic rate. ... Medtronic Inc

01/01/15 / #20150005767

Low power tissue ablation system

Devices, systems and methods are disclosed for the ablation of tissue. Embodiments include an ablation catheter that has an array of ablation elements attached to a deployable carrier assembly. ... Medtronic Inc

01/01/15 / #20150005716

Medication reservoir

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. A base is provided which is adapted to receive a reservoir. ... Medtronic Inc

01/01/15 / #20150005694

Method and devices for treating atrial fibrillation by mass ablation

Apparatus and method for ablating target tissue including a non-linear area of tissue in the left atrium of a patient. The method can include selecting an ablation apparatus having an ablator with a tissue engagement section, penetrating a chest cavity of the patient, and identifying the target tissue. ... Medtronic Inc

01/01/15 / #20150005676

Methods for thermally-induced renal neuromodulation

Methods and apparatus are provided for thermally-induced renal neuromodulation. Thermally-induced renal neuromodulation may be achieved via direct and/or via indirect application of thermal energy to heat or cool neural fibers that contribute to renal function, or of vascular structures that feed or perfuse the neural fibers. ... Medtronic Inc








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