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Medtronic Inc patents (2018 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


Patient data management systems and conversational interaction methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary method of querying a database involves receiving an input query from a client device, identifying a logical layer of a plurality of different logical layers of the database for searching based at least in part on the input query, generating a query statement for searching the identified logical layer of the plurality of different logical layers of the database based at least in part on the input query, querying the identified logical layer of the database using the query statement to obtain result data, and providing a search result influenced by the result data.. ... Medtronic Inc

Patient data management systems and querying methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary database system includes a database to maintain data pertaining to a plurality of entities and a computing device coupled to the database to identify relationships between different entities of the plurality of entities, generate metadata defining a graph structure maintaining the relationships between the different entities of the plurality of entities for a plurality of different logical layers, and store the metadata in the database.. ... Medtronic Inc

Reduction or elimination of pace polarization effects

The present disclosure relates to cardiac evoked response detection and, more particularly, reducing polarization effects in order to detect an evoked response following delivery of a stimulation pulse. An implantable medical device (imd) is configured to deliver a ventricular pacing pulse. ... Medtronic Inc

Method and apparatus for replacing lead extension without tunneling

Tether apparatus may be used to replace an implanted lead extension with a replacement lead extension without tunneling or the use of tunneling tools.. . ... Medtronic Inc

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 a 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

Patient management systems and adherence recommendation methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary method involves obtaining measurement data pertaining to the physiological condition of the patient, obtaining medical record data associated with the patient, obtaining a plurality of different adherence models associated with a plurality of different therapy regimens, wherein each adherence model of the plurality of different adherence models corresponds to a respective therapy regimen of a plurality of different therapy regimens, determining a plurality of adherence metric values associated with the patient for the plurality of different therapy regimens based on the measurement data and the medical record data using the plurality of different adherence models, and providing an indication of a recommended therapy regimen for the patient based at least in part on a respective adherence metric value associated with the recommended therapy regimen.. ... Medtronic Inc

Patient management systems and uplift recommendation methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary method involves obtaining measurement data pertaining to the physiological condition of the patient, obtaining medical record data associated with the patient, classifying the patient into a patient group based at least in part on the measurement data and the medical record data, obtaining a plurality of different uplift models associated with the patient group for a plurality of different therapy interventions, determining a plurality of uplift metric values associated with the patient for the plurality of different therapy interventions based on the measurement data and the medical record data using the plurality of different uplift models, and providing an indication of a recommended therapy intervention for the patient based at least in part on a respective uplift metric value associated with the recommended therapy intervention.. ... Medtronic Inc

Patient management systems and prospective risk management methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary method of monitoring a physiological condition of a patient involves obtaining measurement data pertaining to the physiological condition of the patient from a sensing arrangement, obtaining medical record data associated with the patient from a database, determining a risk score associated with the patient for a medical condition based at least in part on the measurement data, the medical record data, and one or more relationships between population measurement data and population medical record data, and initiating one or more actions based at least in part on the risk score.. ... Medtronic Inc

Context-sensitive infusion devices, systems and methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary infusion device includes an actuation arrangement operable to deliver fluid to a user, a communications interface to receive measurement data indicative of a physiological condition of the user, a sensing arrangement to obtain contextual measurement data, and a control system coupled to the actuation arrangement, the communications interface and the sensing arrangement to determine a command for autonomously operating the actuation arrangement in a manner that is influenced by the measurement data and the contextual measurement data and autonomously operate the actuation arrangement in accordance with the command to deliver the fluid to the user.. ... Medtronic Inc

Semi-circular pulmonary vein ablation catheter

A medical device is disclosed, including a handle assembly; an elongate body coupled to the handle assembly, the elongate body defining a guide wire lumen therethrough; and a substantially semi-circular electrode array coupled to the elongate body. The device may include a substantially rigid shaft extending distally from the elongate body and defining a lumen therethrough, the shaft including a substantially rigid segment, and a flexible coil coaxial with and extending distally from the shaft.. ... Medtronic Inc

Catheter apparatuses having expandable baskets for renal neuromodulation and associated systems and mehtods

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

Cryoballoon contact assessment using capacitive or resistive sensors

Devices, systems, and methods for assessing contact between a treatment element and an area of target tissue using resistive-type and/or capacitive-type contact sensing elements. In one embodiment, a medical system for determining tissue contact includes an elongate body including a distal portion and a proximal portion and a treatment element coupled to the elongate body distal portion. ... Medtronic Inc

Patient-specific glucose prediction systems and methods

Infusion devices and related medical devices, patient data management systems, and methods are provided for monitoring a physiological condition of a patient. An exemplary method of monitoring a physiological condition of a patient involves obtaining current measurement data for the physiological condition of the patient provided by a sensing arrangement, obtaining a user input indicative of one or more future events associated with the patient, and in response to the user input, determining a prediction of the physiological condition of the patient in the future based at least in part on the current measurement data and the one or more future events using one or more prediction models associated with the patient, and displaying a graphical representation of the prediction on a display device.. ... Medtronic Inc

Needle protective device for subcutaneous sensors

An introducer is provided for introducing a sensor into the body of a patient. The introducer connects to a sensor hub. ... Medtronic Inc

09/20/18 / #20180264271

Adapter assemblies for implantable medical electrical systems

Casings for retaining adapter connector modules and implantable electrical devices, and adapter assemblies for retaining implantable medical devices, include first and second opposing plates spaced apart by a gap configured to retain the devices such that sides of the devices are in confronting engagement with the first and second plates when placed the device is held in the gap. The first and second plates may be biased towards one another to assist in retaining the device in the gap. ... Medtronic Inc

09/20/18 / #20180264260

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

09/20/18 / #20180264258

Detection of noise signals in cardiac signals

Medical device systems include processing circuitry configured to acquire sensed cardiac signals associated with cardiac activity of a heart of a patient, and to analyze the sensed cardiac signals to determine if a noise signal is present within the cardiac signals.. . ... Medtronic Inc

09/20/18 / #20180264190

Air tolerant implantable piston pump

An implantable infusion device includes a reservoir for housing an infusion medium and a drive mechanism having an inlet chamber, a piston and a piston channel. The inlet chamber is in fluid communication with the reservoir. ... Medtronic Inc

09/20/18 / #20180263679

Multi-lobe balloon for cryoablation

A cryotreatment catheter for treating tissue. The catheter may include an outer elongate body, a balloon treatment element coupled to the distal portion of the elongate body with a plurality of balloon lobes radially arranged around the outer elongate body, an inner elongate body rotatably movable within the lumen of the outer elongate body, and a fluid delivery lumen located within the lumen of the outer elongate body and at least partially within the lumen of the inner elongate body. ... Medtronic Inc

09/20/18 / #20180263660

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

09/20/18 / #20180263651

Methods of using high intensity focused ultrasound to form an ablated tissue area containing a plurality of lesions

A device and method for ablating tissue is disclosed comprising the steps of acquiring an anatomical image of a patient, correlating the image to the patient, guiding an ablating member within the patient while tracking the position of the ablating member in the patient, positioning the ablating member in a desired position to ablate tissue, emitting ablating energy from the ablating member to form an ablated tissue area and removing the ablating member from the patient.. . ... Medtronic Inc

09/20/18 / #20180263522

Qrs offset and onset determination

The exemplary systems and methods may be configured to generate a dispersion signal from a plurality of cardiac signals and determine a qrs onset time value and a qrs offset time value from the plurality of cardiac signals. The qrs onset and offset time values may be used to measure, or capture, activation times.. ... Medtronic Inc

09/20/18 / #20180263511

Monitoring mode of an implantable medical device

A system and method for controlling a monitoring mode or treatment mode of an implantable medical device based on the detection of an external signal. The system and related method allow for more frequent monitoring of medical parameters at times where more frequent monitoring is necessary, such as during or after a dialysis session, with less frequent monitoring at other times, allowing for a more efficient medical device. ... Medtronic Inc

09/06/18 / #20180255609

Protocol translation device

A protocol translation device for use with a first apparatus having a battery compartment and communicating over a first wireless protocol, and for use with a second apparatus communicating over a second wireless protocol. The protocol translation device can include a battery casing sized to fit within the battery compartment, the battery casing defining an interior volume; a translator having a first antenna operable to communicate with the first apparatus, a second antenna operable to communicate with the second apparatus, and a translator circuit operably connected between the first antenna and the second antenna; and a battery operably connected to power the translator. ... Medtronic Inc

09/06/18 / #20180250517

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

09/06/18 / #20180250515

Circuit configuration based on depopulated pins

Examples are described for configuring cardiac pacing circuitry of an implantable medical device. Circuitry that is configurable to control delivery of therapy or sense signals in accordance with a plurality of vectors may determine that one or more pins, for therapy delivery or sensing in accordance with a first subset of vectors of the plurality of vectors, are in an electrically floating state. ... Medtronic Inc

09/06/18 / #20180250514

Criteria for determination of local tissue latency near pacing electrode

A cardiac pacemaker is disclosed for pacing cardiac tissue to improve synchrony between the atria and ventricles and/or between the left and right ventricles. A pulse generator is configured to deliver a pacing pulse to a patient's ventricle at an atrioventricular (av) delay following a preceding atrial event. ... Medtronic Inc

09/06/18 / #20180250508

Stacked potential electroporation

A method of delivering pulsed electrical energy to a target tissue region includes delivering a first therapeutic pulse, the delivering of the first therapeutic pulse includes delivering a first pulse for a first time period, the first pulse having a first voltage amplitude. A second pulse is delivered immediately after the first pulse for a second time period, the second pulse having a second voltage amplitude configured to electroporate the target tissue region, the second time period being less than the first time period. ... Medtronic Inc

09/06/18 / #20180250507

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

09/06/18 / #20180250505

Pacing output k-factor improvements

In an example, an implantable medical device (imd) includes a hold capacitor configured to deliver an electrical therapy pulse, and charge pump circuitry configured to transfer energy from the battery to the hold capacitor. In this example, the charge pump circuitry comprises a plurality of capacitors, and switching circuitry configured to put the charge pump circuitry into a k-factor mode selected from a group of k-factor modes by opening and closing a combination of switches connected to the plurality of capacitors.. ... Medtronic Inc

09/06/18 / #20180250062

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

09/06/18 / #20180249975

Apparatus and method for maintaining image quality while minimizing x-ray dosage of a patient

A system including initialization, imaging, alignment, processing, and setting modules. The initialization module obtains patient parameters for a patient and procedure and surgeon parameters. ... Medtronic Inc

09/06/18 / #20180249974

Transformable imaging system

A transformable imaging system configured to operate in at least two configurations. A first configuration may be open and a second configuration may be closed. ... Medtronic Inc

09/06/18 / #20180249935

Colorometric sensor for the non-invasive screening of glucose in sweat in pre and type 2 diabetes

Described here are patches and methods for measuring glucose in sweat (and tears and the like). In general, the patches comprise an adhesive layer adapted to bond to skin of an individual, a substrate layer disposed over the adhesive layer and comprising a glucose sensing complex including a chromogen that changes color in the presence of certain concentrations of glucose, and a cover. ... Medtronic Inc

08/23/18 / #20180241564

Pairing of devices for far-field wireless communication

In one example, a method includes transitioning, responsive to determining that a charging coil of wireless charger is in proximity of an implantable medical device (imd) and by the imd, from operating in a non-pairing mode into a pairing mode of a far-field wireless communication protocol. In this example, operating in the paring mode comprises: receiving, by the imd and via a transceiver of the far-field wireless communication protocol, a public encryption key from another device that is different than the wireless charger; and determining, based on the public encryption key of the other device and a public encryption key of the imd, a link encryption key for future communication between the imd and the other device. ... Medtronic Inc

08/23/18 / #20180240236

Apparatuses, systems, and methods for identifying an infusate in a reservoir of an infusion device

Apparatuses and methods for identifying an infusate in a reservoir of an infusion device and systems for use in filling fluid delivery devices are provided. An exemplary apparatus for identifying an infusate in a reservoir of an infusion device includes a chamber in selective fluid communication with the reservoir. ... Medtronic Inc

08/23/18 / #20180236235

Systems, devices, and associated methods for treating patients via renal neuromodulation to reduce a risk of developing cognitive impairment

Methods for reducing a risk associated with developing cognitive impairment, including dementia, with therapeutic renal neuromodulation and associated systems and methods are disclosed herein. Sympathetic nerve activity can contribute to several cellular and physiological conditions associated with an increased risk of developing dementia in later life. ... Medtronic Inc

08/23/18 / #20180236223

Radiopaque markers for implantable medical leads, devices, and systems

Radiopaque markers represent that a lead is suitable for a particular medical procedure such as a magnetic resonance image scan and are added to the lead or related device. The markers may be added after implantation of the lead in various ways including suturing, gluing, crimping, or clamping a radiopaque tag to the lead or to the device. ... Medtronic Inc

08/23/18 / #20180236219

Modular lead end

Various embodiments of this disclosure concern assembly of a lead having one or two modular lead ends. A modular lead end can be made by aligning a plurality of wires exposed on an end of a main lead body with a plurality of conductors exposed on an end of a lead end. ... Medtronic Inc

08/23/18 / #20180236211

Method for applying conductors to catheter based balloons

The present invention advantageously provides a molding device with conductive material for creating a catheter balloon with conductive elements, and methods and systems for manufacturing the catheter balloon with conductive elements. An exemplary method for coupling a plurality of conductive elements to an expandable element may include placing a first portion of a mold proximate a second portion of the mold to define a casting cavity. ... Medtronic Inc

08/23/18 / #20180236169

Infusion devices and fluid identification apparatuses and methods

Medical devices and methods and apparatuses for identifying fluids in a conduit of a device are provided. An exemplary apparatus for identifying an infusate in a conduit of an infusion device includes a transmitter element for transmitting a beam of energy for interaction with the infusate. ... Medtronic Inc

08/23/18 / #20180236139

Drug coated medical devices

A medical device includes a body defining an exterior surface, and a coating including a therapeutic agent-containing nanoparticle disposed on the exterior surface of the medical device. The nanoparticle may include a brush-arm star polymer. ... Medtronic Inc

08/23/18 / #20180236126

Dissolvable nasal sinus sponge

An implantable article comprising a dissolvable sponge derived from the mixture of chitosan, a first polysaccharide and a second polysaccharides. The polysaccharides have different number average molecular weight characteristics to enable the control of the mechanical features of the sponge.. ... Medtronic Inc

08/23/18 / #20180235787

Devices and methods for treating aneurysms and other vascular conditions

A fenestrated aortic cuff is configured to be delivered endovascularly to a target region, deployed, fastened, and sealed to a vessel wall, e.g., in a neck region of an aortic aneurysm. Example fenestrated cuffs provide a suitable landing zone for a commercially available endograft, which may be, in some cases, positioned below or above the renal arteries in order to complete exclusion of an abdominal aortic aneurysm (aaa) or a thoracic aortic aneurysm (taa), respectively, from systematic circulation. ... Medtronic Inc

08/23/18 / #20180235752

Sinus and nasal stent

A stent (100) that is sleeved and radially expandable, and which in an expanded state provides a breathable, generally tubular structure sized and shaped for residence in a sinus or nasal cavity or passage, and in an unexpanded state has a cross-sectional diameter suitable for insertion into such cavity or passage. The sleeve limits expansion and outward pressure exerted by the stent and thereby can prevent or reduce the incidence of headache in patients, and can provide increased surface area for improved elution of drugs to nearby mucosal tissue.. ... Medtronic Inc

08/23/18 / #20180235685

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

08/23/18 / #20180235655

Surgical cutting instrument

A surgical cutting instrument including a first tubular member, a second tubular member, a sleeve member, a third tubular member, and an orientation member. The first tubular member includes a cutting tip. ... Medtronic Inc

08/16/18 / #20180233979

Surgical instrument motor with increased number of wires per phase set and increased fill factor and corresponding manufacturing method

A motor for a surgical instrument includes a rotor and a stator. The rotor includes a shaft and a magnet. ... Medtronic Inc

08/16/18 / #20180231004

Reducing centrifugal pump bearing wear through dynamic magnetic coupling

A pump drive for an extracorporeal blood pumping system including an adjustable drive magnet. The pump drive may be coupled to a blood pump which includes a pump impeller. ... Medtronic Inc

08/16/18 / #20180229033

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

08/16/18 / #20180229022

Iontophoresis drug delivery system and method for denervation of the renal sympathetic nerve and iontophoretic drug delivery

An iontophoresis drug delivery system and method for denervation of the renal sympathetic nerve and iontophoresis drug delivery. The system includes an iontophoresis catheter fitted with a drug coated balloon. ... Medtronic Inc

08/16/18 / #20180229014

Surgical drain system and container

A container for a portable surgical drain system to receive a fluid from a drain at a surgical site is disclosed. The container includes a drain hub having at least one sensor and a cartridge removably coupled to the drain hub in fluid communication with the drain to provide a suction source to draw and receive the fluid from the surgical site. ... Medtronic Inc

08/16/18 / #20180229000

Elastic introducer sheath

An elastic percutaneous elastic introducer sheath is disclosed which can locally expand and reduce to accommodate a transcatheter medical device. The elastic introducer sheath includes a non-circumferentially continuous elastic frame, a liner, and a jacket.. ... Medtronic Inc

08/16/18 / #20180228945

Surgical drain system and container

A portable drain system having a subdermal drain and a container in fluid communication with the subdermal drain is disclosed. The subdermal drain is configured to drain fluid from a surgical site. ... Medtronic Inc

08/16/18 / #20180228603

Stented prosthetic heart valve having wrap and methods of delivery and deployment

Systems and methods of delivering and deploying a stented prosthetic heart valve having a wrap that is automatically deployed to prevent or mitigate paravalvular leakage. In various embodiments, during transcatheter delivery of the stented prosthetic heart valve, the wrap is extends beyond a stent frame of the stented prosthetic heart valve so that the profile of the stented prosthetic heart valve is not increased during delivery. ... Medtronic Inc

08/16/18 / #20180228539

Catheter apparatuses having multi-electrode arrays 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

08/16/18 / #20180228535

Methods for treating patients via renal neuromodulation

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

08/16/18 / #20180228528

Method of confirming safe delivery pathway to patient prior to energy delivery

Systems and methods to confirm safe delivery of treatment energy to a patient by identifying a presence of a fault in an energy delivery pathway and identifying a location of the fault within the device. The system includes a processing unit configured to calculate blood impedances external to the device based on known impedance characteristics of the device, and then to calculate impedances within the device during energy delivery based on the calculated blood impedances. ... Medtronic Inc

08/09/18 / #20180225423

Infusion system consumables and related calibration methods

Infusion systems including infusion devices and consumables and related operating methods are provided. An exemplary consumable component includes a housing, a reservoir contained within the housing, a pumping mechanism for dispensing a fluid from the reservoir, and a readable element associated with the housing. ... Medtronic Inc

08/09/18 / #20180221852

Precision recharging of sorbent materials using patient and session data

The invention relates to devices, systems, and methods for recharging zirconium phosphate and/or zirconium oxide in reusable sorbent modules. The devices, systems, and methods provide for precision recharging of the zirconium phosphate and/or zirconium oxide to avoid the need of excess recharge solutions. ... Medtronic Inc

08/09/18 / #20180221677

Charge balanced cardiac pacing from high voltage circuitry of an extra-cardiovascular implantable cardioverter defibrillator system

An extra-cardiovascular implantable cardioverter defibrillator (icd) having a high voltage therapy module is configured to control a high voltage charging circuit to charge a capacitor to a pacing voltage amplitude to deliver charge balanced pacing pulses. The capacitor is chargeable to a shock voltage amplitude that is greater than the pacing voltage amplitude. ... Medtronic Inc

08/09/18 / #20180221669

Modular shield extender

An implantable medical device (imd) has a housing enclosing an electronic circuit. The housing includes a shield member defining a first portion of an interior cavity of the implantable medical device and a skirted feedthrough assembly. ... Medtronic Inc

08/09/18 / #20180221576

Infusion devices and related consumable calibration methods

Infusion systems including infusion devices and consumables and related operating methods are provided. An exemplary method of operating an infusion device operable to deliver a fluid influencing a physiological condition to a body of a user involves a control module of the infusion device obtaining calibration data associated with a consumable coupled to the infusion device via an interface of the infusion device, determining a delivery command for delivering the fluid to the body of the user based at least in part on the calibration data, and operating a pumping mechanism to deliver the fluid from a reservoir of the consumable to the body of the user in accordance with the delivery command.. ... Medtronic Inc

08/09/18 / #20180221554

Personalized bicarbonate management systems and methods for sorbent-based hemodialysis

The invention relates to devices, systems, and methods for managing base levels, specifically bicarbonate, in an individual undergoing dialysis. The devices, systems, and methods can be compatible with a sorbent-based dialysis therapy, and open loop control of base levels in the dialysis, without sensors or feedback for controlling the introduction of bicarbonate into the dialysate. ... Medtronic Inc

08/09/18 / #20180221145

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

08/09/18 / #20180221080

Telescoping device with saline irrigation line

An electrosurgical device includes a first shaft defining a proximal end, a distal end, and a lumen therethrough. A fluid delivery tube is disposed within the lumen, the fluid delivery tube defining a proximal end a distal end. ... Medtronic Inc

08/09/18 / #20180221078

Profile parameter selection algorithm for electroporation

A method of determining a pulsed field ablation waveform parameter for creating a desired lesion characteristic in cardiac tissue. The method of provides an electrosurgical generator configured to deliver electroporation pulses, the generator configured to: load predetermined waveform parameters (yi); load predetermined modeling data (xi); accept entry of a user inputted desired lesion characteristic (ui); and determine at least one corresponding pulsed field ablation waveform parameter based on (ui), (yi); and (xi).. ... Medtronic Inc

08/09/18 / #20180221077

Processes and methods for conductive elements on catheter elements used for tissue sensing and cryogenic ablation

A method, system and device for securing conductive material on catheter elements for tissue sensing and cryogenic ablation. This may be used to deposit or embed conductive material onto or within polymeric materials. ... Medtronic Inc

08/02/18 / #20180219189

Battery encasement for implantable devices

Various embodiments of a battery assembly include a first housing shell, a second housing shell, an insulator and battery components. The first housing shell has a first perimeter side wall, a first housing bottom, and a first contact area on the first housing bottom. ... Medtronic Inc

08/02/18 / #20180217734

Method and apparatus for image-based navigation

A system and method for a procedure that can be performed on an appropriate subject. A procedure may be planned, at least in part, prior to performing the procedure. ... Medtronic Inc

08/02/18 / #20180214847

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

08/02/18 / #20180214695

Heart rate based control of cardiac resynchronization therapy

In some examples, controlling delivery of cardiac resynchronization therapy (crt) includes storing, in a memory of an implantable medical device system and in association with each of a plurality of heart rates, at least one respective value for an interval between an atrial event and a ventricular event. Processing circuitry of the implantable medical device system may determine a heart rate of a patient and select one of the stored values for the interval between the atrial event and the ventricular event associated with the determined heart rate. ... Medtronic Inc

08/02/18 / #20180214635

Reservoir volume sensing

Reservoir volume of implantable infusion devices may be determined using a volume sensor that provides a signal representative of a distance between the volume sensor and a movable wall of the reservoir. The volume sensor may be a light-based or sound-based sensor, and may be located outside of the reservoir.. ... Medtronic Inc

08/02/18 / #20180214630

Fluid reservoir and systems for filling a fluid reservoir of a fluid infusion device

A fluid reservoir for a fluid infusion device is provided. The fluid reservoir includes a first portion that has a first end and a second end. ... Medtronic Inc

08/02/18 / #20180214623

Ganged modular recharging system

The invention relates to systems and methods for recharging sorbent materials and other rechargeable dialysis components. The systems and methods include rechargers, flow paths, and related components for connecting multiple rechargers together to sharing infrastructure and resources. ... Medtronic Inc

08/02/18 / #20180214345

Fluid reservoir and systems for filling a fluid reservoir of a fluid infusion device

A system for filling a fluid reservoir of a fluid infusion device with a fluid is provided. The system includes the fluid reservoir having a first portion and a second portion. ... Medtronic Inc

08/02/18 / #20180214267

Heart valve prostheses including torque anchoring mechanisms and delivery devices for the heart valve prostheses

A delivery device for delivery and deployment of a heart valve prosthesis with a torque anchoring mechanism includes a balloon having a shaped surface configured to engage a corresponding shaped surface of the heart valve prosthesis. The balloon is configured to rotate about a central longitudinal axis of the delivery device to rotate the heart valve prosthesis.. ... Medtronic Inc

08/02/18 / #20180214265

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

08/02/18 / #20180214264

Transcatheter heart valve replacement systems, heart valve prostheses, and methods for percutaneous heart valve replacement

A transcatheter heart valve prosthesis configured in accordance herewith includes an expandable frame having a plurality of commissure posts extending therefrom, a radially expandable tubular component inflow member attached to the plurality of commissure posts, and a locking mechanism operably coupled to a wire. The wire is at least partially slideably disposed within a channel formed in a wall of the tubular component inflow member and the locking mechanism is configured to permit the wire to be advanced within the channel to thereby transition the inflow member tubular component into a deployed configuration that at least partially engages tissue at the native heart valve.. ... Medtronic Inc

08/02/18 / #20180214202

Catheter electrodes for energy management

Methods, systems, and devices for enhancing the efficiency and efficacy of energy delivery and tissue mapping. One system includes a treatment element having a plurality of electrodes and an energy generator that is configured to deliver electric energy pulses to the electrodes in a variety of patterns. ... Medtronic Inc

08/02/18 / #20180214195

Methods of ensuring pulsed field ablation generator system electrical safety

A system and method for the safe delivery of treatment energy to a patient, which includes verification of system integrity before, during, or after the delivery of treatment energy and provides several mechanisms for rapid termination of the delivery of potentially harmful energy to the patient when a fault condition in the device and/or system is identified. The system may include an energy generator having processing circuitry to determine if there is a fault condition in the system and to automatically terminate a delivery of treatment energy when the processing circuitry determines there is a fault condition. ... Medtronic Inc

08/02/18 / #20180214045

Highly flexible mapping and treatment device

A device and system for providing mapping and treatment capabilities without increasing stiffness of the device. An embodiment of a device may include a flexible elongate body and at least one mapping element on the distal portion of the elongate body. ... Medtronic Inc

08/02/18 / #20180214032

Medical device including feedthrough assembly

In some examples, an implantable medical device (imd) comprises an electrochemical cell compartment that may define a barrier between an inside of the compartment and an outside of the compartment. The imd may include an electrically conducting pad. ... Medtronic Inc

07/26/18 / #20180212451

Recharge of implanted medical devices

Systems, devices and methods are disclosed that allow recharging a power source located in an implanted medical device implanted in a patient, the recharging device comprising first and second pairs of electrical coils configured to generate first and second uniform magnetic fields in overlapping first and second cylindrical regions located between the respective pairs of electrical coils.. . ... Medtronic Inc

07/26/18 / #20180207437

Detection of electromagnetic interference in a cardiac electrical signal by an implantable medical device

An implantable cardioverter defibrillator (icd) starts a timer set to a time interval in response to a cardiac electrical signal crossing a noise threshold amplitude and resets the timer to the time interval in response to each crossing of the noise threshold amplitude by the cardiac electrical signal that occurs prior to the time interval expiring. A control circuit of the icd determines a parameter of the behavior of the timer and identifies a sensed cardiac event as an electromagnetic interference (emi) event based on the parameter. ... Medtronic Inc

07/26/18 / #20180207436

Noise detection and frequency determination in an extra-cardiovascular implantable cardioverter defibrillator system

An extra-cardiovascular implantable cardioverter defibrillator is configured to store a cardiac signal segment in response to sensing a cardiac event and obtain a notch filtered signal segment by notch filtering the cardiac signal segment. The icd determines a count of crossings of the notch filtered signal segment by the cardiac signal segment and determines whether electromagnetic interference (emi) is present in the cardiac signal segment based on a value of the count.. ... Medtronic Inc

07/26/18 / #20180207429

Implanted electrode configuration for physiological sensing and tissue conductance communication

In some examples, the disclosure describes an implantable medical device comprising a plurality of electrodes, sensing circuitry configured to sense a physiological electrical signal via the plurality of electrodes, and communication circuitry configured to transmit and/or receive a transconductance communication signal via the plurality of electrodes, wherein at least one electrode of the plurality of electrodes comprises a lower-capacitance portion and a higher-capacitance portion.. . ... Medtronic Inc

07/26/18 / #20180207355

Cannulas for drug delivery devices

Embodiments relate to a cannula that is provided for delivering a substance, such as a medicine (e.g., insulin) to a patient, where the cannula has reduced likelihood of kinking or occlusions when implanted in a patient. The cannula may have a reduced number of stress concentrations along its length, an angled tip and/or a curve in its length. ... Medtronic Inc

07/26/18 / #20180207013

Delivery systems and methods of implantation for prosthetic heart valves

A delivery system for delivering an implantable stented device to a lumen of a patient, the delivery system including an elongated body having a proximal end and a distal end, a driver mechanism positioned at the proximal end of the elongated body, an elongated threaded rod located axially distal to the driver mechanism, and a sheath including an elongated tubular portion having a hollow interior portion with a first diameter that is sized for compression and retention of the implantable stented device in a compressed configuration for delivery to a body lumen.. . ... Medtronic Inc

07/26/18 / #20180207011

Valve prosthesis having a radially-expandable sleeve integrated thereon for delivery and prevention of paravalvular leakage

A delivery system includes an elongated shaft component, a self-expanding valve prosthesis, at least one cinching suture, and a radially-expandable sleeve. The valve prosthesis is disposed over a distal portion of the elongated shaft component and includes a compressed configuration for delivery and an expanded configuration for deployment. ... Medtronic Inc

07/26/18 / #20180206989

Transcatheter delivery systems and delivery catheters for prosthetic mitral valve delivery, and methods for prosthetic mitral valve delivery using a retrograde approach

Transcatheter delivery systems, delivery catheters and associated methods for percutaneous delivery of prosthetic mitral valves using a retrograde approach are disclosed herein. A heart valve delivery system configured in accordance herewith includes a delivery catheter having an elongated tubular component and an articulation assembly at a distal end thereof. ... Medtronic Inc

07/26/18 / #20180206903

Bipolar cutting and hemostasis blade system

An electrosurgical medical device includes an elongate shaft defining a proximal end, a distal end, and a lumen there through. A fluid conduit is disposed within the lumen. ... Medtronic Inc

07/26/18 / #20180206901

Contrast agent to assess quality of occlusion through impedance measurement

A method, system, and device for predicting lesion quality. Specifically, lesion quality may be predicted based on an assessment of pulmonary vein occlusion using injection of an impedance-modifying agent and evaluation of changes in impedance measurements recorded by an electrode located distal to an occlusion element of the treatment device used to inject the impedance-modifying agent. ... Medtronic Inc

07/26/18 / #20180206855

Surgical bur with non-paired flutes

A surgical dissection tool for cutting bone and other tissue includes a cutting head having an outer surface having non-paired or an odd number of flutes formed therein. Each flute includes a rake surface intersecting with the outer surface to form a cutting edge, and a relief surface opposite the rake surface. ... Medtronic Inc

07/26/18 / #20180206832

Modular lighted surgical retractor

A modular surgical retractor including a handle and a blade. The handle includes a base and a neck. ... Medtronic Inc

07/19/18 / #20180200525

Managing telemetry communication modes of a device

Systems, apparatus, methods and computer-readable storage media facilitating management of operation of an implantable medical device (“imd”) using a number of communication modes are provided. An imd is configured to operate in a disabled mode wherein radio frequency (rf) telemetry communication is disabled, or operate in a first advertising mode using the rf telemetry communication. ... Medtronic Inc

07/19/18 / #20180200523

Precision delivery of electrical stimulation

An example method for controlling delivery of electrical stimulation therapy includes maintaining, by one or more processors of a medical device configured to deliver electrical stimulation to a patient, a counter tied to a clock used by the medical device to deliver the electrical stimulation to the patient; and obtaining, by the one or more processors, one or more representations of sensed electrical signals for the patient that are referenced to counts of the counter. In this example, the method also includes identifying, based on the one or more representations of the sensed electrical signals for the patient, a count of the counter at which stimulation is to be delivered to the patient; and delivering, by the medical device and to the patient, electrical stimulation based on the identified count of the counter.. ... Medtronic Inc

07/19/18 / #20180200488

Shuttle apparatus and associated systems and methods

The present disclosure is directed to a shuttle apparatus for detachably joining a catheter to a guidewire so that the joined catheter, extending alongside the guidewire, is in sliding engagement with the guidewire without extending around the guidewire. The apparatus comprises a collar member sized for mounting in sliding engagement around a length of the guidewire, the collar member having a longitudinal axis that approximately aligns along the length, when mounted thereabout, the length being defined between a proximal-most point of the guidewire and a distal point of the guidewire, the distal point being offset proximally from a distal-most point of the guidewire. ... Medtronic Inc

07/19/18 / #20180200430

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

07/19/18 / #20180200412

Medication infusion components and systems

This invention pertains to systems and components useful for infusing medications such as insulin. Typically, the components are used to deliver insulin to a diabetic patient at a site of infusion over a period of time greater than 4 days. ... Medtronic Inc

07/19/18 / #20180200058

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

07/19/18 / #20180199980

Cryoablation method and system

A system and method for providing greater control over the temperature of a thermal treatment element of a medical device, enabling an operator to extend a thawing period of a cryoablation procedure. The system may include a fluid flow path that bypasses a subcooler, giving the operator selective control over the temperature of refrigerant delivered to the treatment element and, therefore, treatment element temperature. ... Medtronic Inc

07/19/18 / #20180199979

N2o thermal pressurization system by cooling

A system and method of using a source of low-pressure refrigerant for a cryotherapy procedure. The system may generally include a fluid reservoir and a fluid flow path in thermal exchange with the fluid reservoir, the fluid flow path including a thermal exchange device in thermal exchange with the fluid reservoir, a compressor in fluid communication with the thermal exchange device, a condenser, a reversing valve located between the compressor and the condenser, and an expansion valve located between the condenser and the thermal exchange device. ... Medtronic Inc

07/19/18 / #20180199978

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

07/19/18 / #20180199843

Systems, methods, and interfaces for identifying effective electrodes

Systems, methods, and interfaces are described herein for identification of effective electrodes to be used in sensing and/or therapy. Two or more portions of a signal monitored using an electrode may be compared to determine whether the electrode is effective. ... Medtronic Inc

07/12/18 / #20180193648

Posture state redefinition based on posture data

The disclosure is directed towards posture-responsive therapy. To avoid interruptions in effective therapy, an implantable medical device may include a posture state module that detects the posture state of the patient and automatically adjusts therapy parameter values according to the detected posture state. ... Medtronic Inc

07/12/18 / #20180193556

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

07/12/18 / #20180193546

Peritoneal dialysis fluid testing system

The invention relates to a testing system and related methods for detecting peritonitis or infection in peritoneal dialysate removed from a patient. The testing system can include a fluid sensor apparatus in a fluid line of a peritoneal dialysis cycler through which spent peritoneal dialysate can be pumped. ... Medtronic Inc

07/12/18 / #20180193538

Welded stent with radiopaque material localized at the welds and methods

A stent that includes a stent body and one or more weld joints, wherein the weld joints include a radiopaque material, and a method of making a stent that includes using a radiopaque filler material in a welding process.. . ... Medtronic Inc

07/12/18 / #20180193092

Electrosurgical unit and system

Systems, such as an electrosurgical unit, and method for use with an active electrode and a plurality of return electrodes are disclosure. An electrosurgical treatment is provided to tissue via the active electrode at a treatment site and a first return electrode of the plurality of return electrodes at the treatment site. ... Medtronic Inc

07/12/18 / #20180193008

Anchor deployment for implantable medical devices

A tool for deploying an anchor sleeve onto an implantable device includes handle and base members, which may be fitted together by an operator. The operator may select the handle member from a plurality thereof included in a kit; and the base member, also included in the kit, includes a rail segment with which a gripping portion of the selected handle member may be engaged, for example, via guidance from a marked portion of the base member. ... Medtronic Inc

07/05/18 / #20180185651

Impedance-based allocation of electrical stimulation to electrode clusters

Electrical stimulation sources and amplitudes are allocated to implantable electrodes based on impedance values for controlled delivery of electrical stimulation therapy to a patient. Allocation may include assigning implantable electrodes, in a group of active electrodes, to clusters based on impedance values of the electrodes, coupling the electrode clusters to respective stimulation sources, and defining respective stimulation amplitudes delivered by the stimulation sources to the electrode clusters. ... Medtronic Inc

07/05/18 / #20180185640

Detecting and responding to anti-tachyarrhythmia shocks

In some examples, an implantable medical device determines that another medical device delivered an anti-tachyarrhythmia shock, and delivers post-shock pacing in response to the determination. The implantable medical device may be configured to both detect the delivery of the shock in a sensed electrical signal and, if delivery of the shock is not detected, determine that the shock was delivered based on detection of asystole of the heart. ... Medtronic Inc

07/05/18 / #20180185636

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

07/05/18 / #20180185617

Cross slit gasket for introducer sheath

A sheath introducer system including a sheath introducer defining a lumen therethrough and having a proximal valve housing in fluid communication with a distal tubular sheath, wherein a proximal end of the valve housing defines a proximal opening of the lumen of the sheath introducer. A gasket seated within the valve housing has a first surface, a second surface and an outer periphery extending between the first and second surfaces. ... Medtronic Inc

07/05/18 / #20180185578

Methods for operating mode transitions and related infusion devices and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method involves operating an infusion device to deliver fluid to a user in accordance with a first operating mode of a plurality of operating modes, obtaining operational information pertaining to the first operating mode, and obtaining clinical information pertaining to the user. ... Medtronic Inc

07/05/18 / #20180185142

Transcatheter valve with torsion spring fixation and related systems and methods

Described is a prosthetic valve, comprising: an expandable stent including an inner lumen and having a first and a second end; and a spring attached to the first end of the expandable stent; wherein the expandable stent and the spring can expand radially to a desired diametric configuration in order to anchor the prosthetic valve at an implantation position in a body lumen. Related systems and methods.. ... Medtronic Inc

07/05/18 / #20180185090

Catheter apparatuses for modulation of nerves in communication with pulmonary system and associated systems and methods

Devices and systems for the selective positioning of an intravascular neuromodulation device are disclosed herein. Such systems can include, for example, an elongated shaft and a therapeutic assembly carried by a distal portion of the elongated shaft. ... Medtronic Inc

07/05/18 / #20180185060

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

07/05/18 / #20180184952

Calibration of glucose monitoring sensor and/or insulin delivery system

Disclosed are methods, apparatuses, etc. For calibrating glucose monitoring sensors and/or insulin delivery systems. ... Medtronic Inc

07/05/18 / #20180184951

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

06/28/18 / #20180178001

Deployable electrode array lead assembly for implantable electrical stimulation

A lead assembly includes a central lead member having a distal portion configured to extend along a longitudinal axis. The lead assembly also includes two or more side lead members disposed around the central lead member. ... Medtronic Inc

06/28/18 / #20180177946

Insertion site monitoring methods and related infusion devices and systems

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device involves obtaining one or more measurement values of a physiological condition in the body of a user during an initial monitoring period and determining a fasting reference value for a metric based on the one or more measurement values. ... Medtronic Inc

06/28/18 / #20180177548

Helical push wire electrode

Helical push wire electrodes are provided. The electrodes may create a continuous helical lesion. ... Medtronic Inc

06/28/18 / #20180177425

Rhythm discriminator with immunity to body posture

A medical device system includes a cardioverter-defibrillator for detecting and treating ventricular tachycardia (vt). The medical device system includes a sensing module for sensing a cardiac signal from available cardiac signal sensing vectors. ... Medtronic Inc

06/21/18 / #20180175566

Distal connector assemblies for medical lead extensions

Distal connector assemblies that are on the distal end of medical lead extensions provide increased rigidity by including a rigid holder that contains the electrical connectors. The electrical connectors are separated within the rigid holder by insulative spacers that may be individual items or may be formed from a compliant carrier that the electrical connectors may reside within where the carrier is positioned within the rigid holder. ... Medtronic Inc

06/21/18 / #20180175462

Formation process for lithium-ion batteries

A method of charging a battery includes applying a charging voltage to a lithium-ion battery for a period of time after the battery is fully charged. The battery includes a positive electrode having a positive active material, a negative electrode having a negative active material, and an electrolyte. ... Medtronic Inc

06/21/18 / #20180175459

Lithium ion batteries and methods of sterilization

A lithium ion battery is provided that includes: a positive electrode; a negative electrode; a separator comprising a material having a melt temperature of greater than 150° c.; and an electrolyte including an organic solvent and a lithium salt. A method for sterilizing a lithium ion battery is also provided that includes: providing a lithium ion battery (particularly one as described herein); either charging or discharging the battery to a state of charge (soc) of 20% to 100%; and steam sterilizing the battery to form a sterilized lithium ion battery.. ... Medtronic Inc

06/21/18 / #20180174675

Infusion systems and methods for prospective closed-loop adjustments

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves predicting, by a control system associated with the infusion device, a future occurrence of an event based at least in part on historical data associated with the patient, and prior to the future occurrence of the event, automatically adjusting a control parameter for operating the infusion device based at least in part on the event and automatically operating an actuation arrangement of the infusion device to deliver the fluid to the patient based at least in part on a current measurement of the physiological condition and the adjusted control parameter.. ... Medtronic Inc

06/21/18 / #20180172665

Systems and methods for assessing blood platelet function

A method carried out by a system configured to analyze blood. The method includes causing a ferromagnetic object to move in a chamber housing blood after clot initiation has been implicated. ... Medtronic Inc

06/21/18 / #20180169421

Implantable medical device batteries with milled fluorinated carbon fibers, devices, and methods

An implantable medical device comprising a battery cell including: an anode; a cathode including fluorinated carbon particles; a separator between the anode and the cathode; and an electrolyte contacting the anode, the cathode, and the separator; wherein greater than 50 vol-% of the fluorinated carbon particles have a particle size within a range of 2 microns to 10 microns, and greater than 50% by number have an aspect ratio within a range of 1:1.2 to 1:8.. . ... Medtronic Inc

06/21/18 / #20180169419

Implantable medical devices with header structures including conductive paths that facilitate the interconnection of feedthrough conductors to electrical connectors

Implantable medical devices include header structures with conductive paths from the feedthrough conductors that may be located on one side of the device to electrical connectors that may be located on an opposite side of the device. The conductive paths may include conductive interconnect pins and lead frame conductors. ... Medtronic Inc

06/21/18 / #20180169415

Modular lead

Systems, devices, and techniques are disclosed for a modular medical lead system. The modular medical lead system may comprise an elongate lead body module including a plurality of coiled electrical conductors extending from a first end to a second end of the elongate lead body module, and a conductor hub adjacent the first end of the elongate lead body module. ... Medtronic Inc

06/21/18 / #20180169404

Modular lead

Systems, devices, and techniques are disclosed for forming an elongate lead body module of a modular lead. The method may comprise rotating a mandrel, wherein the mandrel extends through a through-hole of a conductor hub, wherein each conductor of a plurality of conductors extend through a respective channel of a plurality of channels of the conductor hub, wherein each conductor of the plurality of conductors extends from a respective bobbin of plurality of bobbins to the channels, wherein the plurality of bobbins are coupled to a carriage, the carriage defining a central opening through which the mandrel passes. ... Medtronic Inc

06/21/18 / #20180169402

Connector assemblies for receiving implantable medical leads

Connector assemblies that are separate from medical lead extensions provide features such as bores for receiving both a medical lead and a medical lead extension and provide electrical connections between connectors of the leads and connectors of the lead extensions. Connector assemblies may include additional features such as contours and wings that reduce subcutaneous erosion. ... Medtronic Inc

06/21/18 / #20180169375

Delivery catheter for implantable medical device

A kit for implantation of an implantable medical device (imd) comprises an elongated outer shaft, a tether, and an elongated inner shaft. The imd comprises a fixation element comprising a looped portion. ... Medtronic Inc

06/21/18 / #20180169334

Infusion systems and related personalized bolusing methods

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, an input meal indication, obtaining historical data for the patient associated with the input meal indication, determining an estimated carbohydrate amount corresponding to the input meal indication based at least in part on the historical data, determining a bolus dosage of the insulin based at least in part on the estimated carbohydrate amount, and operating an actuation arrangement of the infusion device to deliver the bolus dosage of the insulin to the patient.. ... Medtronic Inc

06/21/18 / #20180169333

Infusion systems and methods for pattern-based therapy adjustments

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, measurement values indicative of a condition of the patient provided by a sensing device, identifying an event pattern based at least in part on the measurement values for the condition and historical data associated with the patient, generating a notification indicative of the event pattern in response to identifying the event pattern, and adjusting operation of the infusion device to deliver the fluid to the patient in a manner that is influenced by the event pattern in response to receiving user input confirming the event pattern.. ... Medtronic Inc

06/21/18 / #20180169332

Infusion systems and methods for patient activity adjustments

Infusion systems, infusion devices, and related operating methods are provided. An exemplary method of operating an infusion device capable of delivering fluid to a patient involves obtaining, by a control system associated with the infusion device, user input indicating an activity by the patient, obtaining historical data for the patient corresponding to the activity, determining a probable patient response corresponding to the activity based at least in part on the historical data for the patient, determining an adjustment for delivering the fluid by the infusion device based at least in part on the probable patient response, and operating the infusion device to deliver the fluid to the patient in accordance with the adjustment.. ... Medtronic Inc

06/21/18 / #20180169325

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

06/21/18 / #20180169324

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

06/21/18 / #20180169323

Smart connection interface

A method and apparatus for a connection interface between a reservoir or syringe, infusion set tubing, and an infusion pump is provided. The reservoir, a base and a cap are connected to form an integrated unit that is capable of being inserted and secured in an infusion pump housing. ... Medtronic Inc

06/21/18 / #20180169322

Medication fluid infusion set component with integrated physiological analyte sensor, and corresponding fluid infusion device

Disclosed is a medical device component for delivering medication fluid to a patient. The medical device component includes a fluid infusion device to regulate delivery of medication fluid, a body-mountable base unit, and a top cover assembly that is removably couplable to the base unit and to the fluid infusion device. ... Medtronic Inc

06/21/18 / #20180168834

Apparatus and methods for filling a drug eluting medical device via capillary action

Methods and apparatus are disclosed for filling a therapeutic substance or drug within a hollow wire that forms a stent. The stent is placed within a chamber housing a fluid drug formulation. ... Medtronic Inc

06/21/18 / #20180168723

Methods for therapeutic renal denervation

Methods for therapeutic renal denervation are disclosed herein. One aspect of the present application, for example, is directed to methods that block, reduce and/or inhibit renal sympathetic nerve activity to achieve a reduction in central sympathetic tone. ... Medtronic Inc

06/21/18 / #20180168722

Methods and devices for localized disease treatment by ablation

Provided herein are methods, systems, and devices for increasing heat shock protein expression and treating conditions for which increased heat shock protein expression is expected to be beneficial using thermal ablation.. . ... Medtronic Inc

06/21/18 / #20180168717

Electrosurgical blade with minimally exposed edge, alternative to coated blade

A cutting element for an electrosurgical device. The cutting element includes an elongate non-conductive body having a first face opposite a second face, the first face and the second face defining an edge there between. ... Medtronic Inc

06/21/18 / #20180168687

Apparatus for forming a passageway in tissue and associated interventional medical systems

An apparatus for forming a passageway through tissue includes a dilator mounted to a shaft, wherein the dilator includes a first portion, which has an increasing taper from a first outer diameter to a larger second outer diameter, and a second portion, which has a decreasing taper from the first portion to a distal end of the dilator, and which includes an external non-cutting thread formed along the decreasing taper. Lumens of the dilator and shaft provide a conduit for means to pierce through the tissue, for example, an elongate wire that includes a piercing tip. ... Medtronic Inc

06/21/18 / #20180168564

Minimally invasive implantable neurostimulation system

A neuromodulation therapy is delivered via at least one electrode implanted subcutaneously and superficially to a fascia layer superficial to a nerve of a patient. In one example, an implantable medical device is deployed along a superficial surface of a deep fascia tissue layer superficial to a nerve of a patient. ... Medtronic Inc

06/21/18 / #20180168510

Endotracheal tube apparatus

An apparatus for monitoring emg signals of a patient's laryngeal muscles includes an endotracheal tube having an exterior surface and a first location configured to be positioned at the patient's vocal folds. A first electrode is formed on the exterior surface of the endotracheal tube substantially below the first location to receive emg signals primarily from below the vocal folds. ... Medtronic Inc

06/21/18 / #20180168502

Device-based detection and monitoring of sleep apnea conditions

Sensing circuitry of an implantable medical device (imd) system may sense a cardiac signal that varies according to a cardiac cycle of a patient. Processing circuitry of the imd system may determine a series of consecutive cardiac cycle length metric values based on the sensed cardiac signal, identify a plurality of pairs of the cardiac cycle length metrics, each of the pairs of cardiac cycle length metrics separated by an integer ‘n’ of the cardiac cycle length metrics, and construct a distribution of the pairs of cardiac cycle length metrics based on values of the cardiac cycle length metrics for each of the pairs. ... Medtronic Inc

06/21/18 / #20180168481

Method and apparatus for detecting change in intrathoracic electrical impedance

A method and apparatus for detection of changes in impedance a patient that includes generating measured impedances, generating an adaptive baseline trend of the measured impedances corresponding to a first time period, generating a short term trend of the measured impedances corresponding to a second time period less than the first time period, determining changes in relative position of the short term trend and the baseline trend, the determined changes in relative position corresponding to determining intersecting of the baseline trend by the short term trend, determining differences between the baseline trend and calculated period average impedances, and accumulating, in response to determining no intersecting of the baseline trend by the short term trend, the determined differences between the baseline trend and the calculated period average impedances.. . ... Medtronic Inc

06/21/18 / #20180168468

Delivery catheter for implantable medical device

A kit for intravascular implantation of an implantable medical device (imd) within a patient includes the imd, an elongated shaft, and a locking mandrel. The imd comprises a fixation assembly comprising a loop and defines at least one longitudinal lumen and a port in fluid communication with the lumen. ... Medtronic Inc

06/21/18 / #20180168463

Exercise triggered cardiovascular pressure measurement

Systems, devices disclosed provide example methods comprising determining that a triggering event has occurred based on statuses for a set of physiological parameters associated with the patient, the physiological parameters indicative of the patient engaging in a patient initiated physical activity, generating a trigger output signal in response to the determination that the triggering event has occurred, wirelessly transmitting the trigger output signal to a pressure sensing device implanted in a vessel of the patient, triggering, based on receiving the trigger output signal, the pressure sensing device to sense a cardiovascular pressure of the patient; and transmitting, by the pressure sensing device, a wireless signal comprising data corresponding to the sensed cardiovascular pressure of the patient.. . ... Medtronic Inc

06/21/18 / #20180168461

Hydrostatic offset adjustment for measured cardiovascular pressure values

A method for monitoring a cardiovascular pressure in a patient may include storing, in a memory of an implantable medical device system and in association with each one or more different patient postures, a respective offset value for the cardiovascular pressure of the patient. The one or more offset values may be determined based on a distance between an implantable pressure sensing device and an anatomical structure of the patient, a location of the implantable pressure sensing device within the patient, or one or more dimensions an anatomical structure of the patient. ... Medtronic Inc

06/21/18 / #20180168460

Measuring cardiovascular pressure based on patient state

A method for monitoring a cardiovascular pressure in a patient includes measuring, by pressure sensing circuitry of an implantable pressure sensing device, the cardiovascular pressure of the patient. The method further includes transmitting, via wireless communication circuitry of the implantable pressure sensing device, the measured cardiovascular pressure to another device. ... Medtronic Inc

06/14/18 / #20180166700

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

06/14/18 / #20180161580

Input switching in a ventricular intracardiac pacemaker

An intracardiac pacemaker system is configured to produce physiological atrial event signals by a sensing circuit of a ventricular intracardiac pacemaker and select a first atrial event input as the physiological atrial event signals. The ventricular intracardiac pacemaker detects atrial events from the selected first atrial event input, determines if input switching criteria are met, and switches from the first atrial event input to a second atrial event input in response to the input switching criteria being met. ... Medtronic Inc

06/14/18 / #20180161572

Detecting ventricular lead dislodgement

Detecting dislodgement of a ventricular lead coupled to an implantable medical device comprises sensing a near-field cardiac egm via a first electrode of the ventricular lead and a far-field cardiac egm via a second electrode of the ventricular lead, identifying, r-waves in the near-field cardiac egm and the far-field cardiac egm. Determining a near-field value of one or more r-wave amplitude metrics based on amplitudes of r-waves identified in the near-field cardiac egm and a far-field value of the one or more r-wave amplitude metrics based on amplitudes of r-waves identified in the far-field cardiac egm, detecting dislodgement of the ventricular lead based on at least one of the near-field value or the far-field value of the one or more r-wave amplitude metrics; and providing a lead dislodgment alert in response to detecting the dislodgement of the ventricular lead.. ... Medtronic Inc

06/14/18 / #20180161158

Prosthetic valve support structure

The present invention is directed to prostheses including a support structure having a proximal end and a distal end, and a motion limiting member attached to the distal end of the support structure, wherein the motion limiting member is configured to restrict radial expansion of the distal end of the support structure. Methods for delivering the prosthesis are also provided.. ... Medtronic Inc

06/14/18 / #20180161120

Method and apparatus for virtual endoscopy

A surgical instrument navigation system is provided that visually simulates a virtual volumetric scene of a body cavity of a patient from a point of view of a surgical instrument residing in the cavity of the patient. The surgical instrument navigation system includes: a surgical instrument; an imaging device which is operable to capture scan data representative of an internal region of interest within a given patient; a tracking subsystem that employs electro-magnetic sensing to capture in real-time position data indicative of the position of the surgical instrument; a data processor which is operable to render a volumetric perspective image of the internal region of interest from a point of view of the surgical instrument; and a display which is operable to display the volumetric perspective image of the patient.. ... Medtronic Inc

06/14/18 / #20180161002

Ultrasound delivery for diagnosis and/or therapy

In some examples, a system includes one or more ultrasound transducers, one or more temperature sensors, a user interface, and one or more processors. The one or more processors are configured to control the one or more ultrasound transducers to deliver ultrasound to a target point of tissue of a patient to heat the target point of tissue, control the one or more temperature sensors to sense a temperature of other tissue of the patient proximate to the target point of tissue a plurality of times over a period of time after the target point of tissue has been heated, and present, via the user interface, information indicating flow of heat from the target point of tissue to the other tissue over the period of time based on the sensed temperatures to facilitate characterization of at least one of anatomy or function of the tissue.. ... Medtronic Inc

06/14/18 / #20180160962

Wireless nerve integrity monitoring systems and devices

A nerve integrity monitoring device includes a control module and a physical layer module. The control module is configured to generate a payload request. ... Medtronic Inc

06/07/18 / #20180159361

Sensing temperature within medical devices

Devices, systems, and techniques for monitoring the temperature of a device used to charge a rechargeable power source are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. ... Medtronic Inc

06/07/18 / #20180159234

Wireless medical device with a complementary split ring resonator arrangement for suppression of electromagnetic interference

A medical device as described herein includes a communication module to process radio frequency signals associated with operation of the medical device, an antenna associated with the communication module, and a microstrip transmission component coupled between the communication module and the antenna. The transmission component includes a dielectric substrate, an electrically conductive signal trace formed overlying the upper major surface of the substrate, an electrically conductive ground plane formed overlying the lower major surface of the substrate, and a complementary split ring resonator arrangement integrally formed in the ground plane, and having a layout and dimensions tuned to cause the resonator arrangement to resonate at one or more harmonic frequencies of the nominal transmission frequency of the radio frequency signals.. ... Medtronic Inc

06/07/18 / #20180158561

Power source and method of forming same

Various embodiments of a power source and a method of forming such power source are disclosed. The power source can include an enclosure, a substrate disposed within the enclosure, and radioactive material disposed within the substrate and adapted to emit radioactive particles. ... Medtronic Inc

06/07/18 / #20180154159

Medical devices including connector enclosures that include an antenna

Medical devices provide metallic connector enclosures. The metallic connector enclosures may be constructed with relatively thin walls in comparison to polymer connector enclosures to aid in miniaturizing the medical device. ... Medtronic Inc

06/07/18 / #20180154155

Neuromodulation devices for delivering neuromodulation energy to proximal vascular portions and distal vascular portions and associated systems and methods

Neuromodulation devices for delivering neuromodulation therapy to distal vascular portions and proximal vascular portions and associated systems and methods. A neuromodulation device can include an elongated shaft having a proximal portion and a distal portion, each portion being sized and shaped for simultaneous positioning and deployment within respective proximal and distal vascular portions of a human vasculature. ... Medtronic Inc

06/07/18 / #20180154154

Pacing mode switching in a ventricular pacemaker

An intracardiac ventricular pacemaker is configured to operate in in a selected one of an atrial-tracking ventricular pacing mode and a non-atrial tracking ventricular pacing mode. A control circuit of the pacemaker determines at least one motion signal metric from the motion signal, compares the at least one motion signal metric to pacing mode switching criteria; and responsive to the pacing mode switching criteria being satisfied, switches from the selected one of the non-atrial tracking pacing mode and the atrial tracking pacing mode to the other one of the non-atrial tracking pacing mode and the atrial tracking pacing mode for controlling ventricular pacing pulses delivered by the pacemaker.. ... Medtronic Inc

06/07/18 / #20180154144

High frequency neurostimulation for pelvic symptom control

In general, techniques, methods, systems, and devices for delivering high frequency neurostimulation to control one or more pelvic disorders are described. In one example, a method includes identifying, by a medical device configured to be at least partially implanted in a patient, an indication to inhibit bladder activity. ... Medtronic Inc

06/07/18 / #20180154122

Cerebrospinal fluid shunt having long term anti-occlusion agent delivery

The invention includes a shunt for at least partial implantation into a patient that includes an elongated conduit having at least one lumen therethrough, that includes a proximal end for receipt of bodily fluids for flow through the shunt and a distal end for discharge of the bodily fluids from the shunt, and a long term source of at least one occlusion resistant agent, wherein said at least a portion of the at least one occlusion resistant agent can permeate through at least a portion of the elongated conduit. The invention also includes kits and systems.. ... Medtronic Inc

06/07/18 / #20180153709

Method and apparatus for post-operative tuning of a spinal implant

A tunable implant, system, and method enables a tunable implant to be adjusted within a patient. The tunable implant includes a securing mechanism to secure the implant in the patient, a actuation portion that enables the implant to move and an adjustment portion that permits adjustment of the implant after the implant has been positioned within the patient. ... Medtronic Inc

06/07/18 / #20180153695

Rapid exchange transcatheter valve delivery system

A delivery device for implanting a prosthetic heart valve. The device includes an inner shaft assembly, an outer sheath and a connector assembly. ... Medtronic Inc

06/07/18 / #20180153691

Prosthetic heart valve delivery system with controlled expansion

A system for repairing a defective heart valve. The system includes a delivery device, a balloon and a prosthetic heart valve. ... Medtronic Inc

06/07/18 / #20180153685

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

06/07/18 / #20180153677

Modular aortic arch prosthetic assembly and method of use thereof

A prosthetic assembly configured for endovascular placement within an aortic arch and method of use thereof. The prosthetic assembly includes a proximal aortic stent-graft prosthesis configured to be positioned within a proximal portion of the aortic arch adjacent to the brachiocephalic artery, a distal aortic stent-graft prosthesis configured to be positioned within a distal portion of the aortic arch adjacent to the left subclavian artery, a first branch stent-graft prosthesis configured to be positioned within the brachiocephalic artery and a second branch stent-graft prosthesis configured to be positioned in one of the left common carotid and the left subclavian artery. ... Medtronic Inc

06/07/18 / #20180153562

Surgical bur with soft tissue protective geometry

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

06/07/18 / #20180153491

Apparatus and method of counterbalancing axes and maintaining a user selected position of a x-ray scanner gantry

A system including an input sensor, a summer, a controller, and a feedback sensor. The input sensor: detects a first amount of force or torque applied on a component of an x-ray scanner gantry in a direction; and generates a command signal. ... Medtronic Inc

06/07/18 / #20180153475

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

05/31/18 / #20180150614

Interactive patient guidance for medical devices

Medical devices and related guidance systems and methods for interactive patient guidance are provided. An exemplary method of interactively providing guidance facilitating operation of a medical device involves identifying, at a computing device communicatively coupled to the medical device, a user objective associated with the medical device, obtaining, at the computing device from the medical device, user interface status information corresponding to a current state of a user interface of the medical device, and providing, on a display associated with the computing device, guidance information influenced by the user interface status information and the user objective. ... Medtronic Inc

05/31/18 / #20180147558

Zirconium oxide module conditioning

The invention relates to devices, systems, and methods for conditioning a zirconium oxide sorbent module for use in dialysis after recharging. The devices, systems, and methods can provide for conditioning and recharging of zirconium oxide in a single system, or in separate systems.. ... Medtronic Inc

05/31/18 / #20180147406

Medical electrical lead having biological surface and methods of making and using same

An implantable electrical lead suitable for left sided cardiac placement, the implantable medical electrical lead having an external blood contacting surface having an external coating including a monolayer of at least one biological agent that promotes endothelialization covalently attached to a polymeric lead surface.. . ... Medtronic Inc

05/31/18 / #20180147053

Sinus-engaging valve fixation member

A prosthesis is provided for implantation at a native semilunar valve of a native valve complex, the native valve complex having three semilunar sinuses and three native commissures. The prosthesis includes a valve prosthesis support, which comprises a support structure comprising exactly three engagement arms that meet one another at three respective junctures. ... Medtronic Inc

05/31/18 / #20180147005

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

05/24/18 / #20180144826

Physiologic simulator system

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

05/24/18 / #20180143925

Methods and devices that utilize hardware to move blocks of operating parameter data from memory to a register set

A hardware based block moving controller of an active device such as an implantable medical device that provides electrical stimulation reads a parameter data from a block of memory and then writes the parameter data to a designated register set of a component that performs an active function. The block of memory may include data that specifies a size of the block of memory to be moved to the register set. ... Medtronic Inc

05/24/18 / #20180140846

Far-field p-wave sensing in near real-time for timing delivery of pacing therapy in a cardiac medical device and medical device system

A medical device system for controlling ventricular pacing therapy during cardiac resynchronization therapy that includes a sensing device to sense a cardiac signal and emit a trigger signal in response to the sensed cardiac signal, a therapy delivery device to deliver the ventricular pacing in response to the emitted trigger signal, and a processor configured to identify a fiducial point of the cardiac signal sensed in real-time, set a window comprising a start point positioned a first distance prior to the fiducial point and an endpoint positioned a second distance less than the first distance subsequent to the fiducial point, determine a signal characteristic of the cardiac signal within the window, determine whether a p-wave is detected in response to the signal characteristic, determine whether an atrio-ventricular interval timer has expired, and emit a trigger signal to deliver the ventricular pacing timed off of the local maximum in response to the p-wave being detected and not timed off of the local maximum in response to the timer being expired.. . ... Medtronic Inc

05/24/18 / #20180140826

Anchors including rigid bodies defining full length slots for use with implantable medical leads

Anchors for use with implantable medical leads include an elastic body containing one or more rigid bodies that have longitudinal free edges. The longitudinal free edges run from end to end to define full length slots. ... Medtronic Inc

05/17/18 / #20180137938

Patient monitoring systems and methods with automated display toggling

Systems, devices and methods are provided for monitoring a physiological condition of a patient. An exemplary method involves a computing device obtaining measurement data for the physiological condition of the patient, providing a graphical user interface display pertaining to monitoring the physiological condition of the patient and identifying a toggling condition for the graphical user interface display. ... Medtronic Inc

05/17/18 / #20180137252

Patient monitoring systems and methods with event log integration

Systems, devices and methods are provided for monitoring a physiological condition of a patient. An exemplary method involves a client computing device monitoring a first network for an indication data is available from a monitoring device associated with the patient, and in response to detecting the indication, establishing a communications session with the monitoring device on the first network and receiving the measurement data from the monitoring device over the first network. ... Medtronic Inc

05/17/18 / #20180133484

Stimulation vector selection using pulse width data

A method of programming an implantable medical device (imd) configured to provide electrical stimulation via a plurality of stimulation vectors during delivery of the electrical stimulation of a plurality of pulse widths to a neural target. The method may comprise comparing strength-duration curve data for the plurality of stimulation vectors to one another, the strength-duration curve data representing, for respective pulse widths and stimulation vectors, a corresponding stimulation strength that evokes a physiological response associated with the neural target. ... Medtronic Inc

05/17/18 / #20180133387

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

05/17/18 / #20180133033

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

05/17/18 / #20180133006

Stabilization and advancement system for direct aortic transcatheter aortic valve implantation

A system for stabilizing and advancing a delivery system for direct access tavi. The system includes an introducer support coupled to an introducer and a stable object, a cradle mechanism coupled to a handle of the delivery system and a stable object, and an adjustment mechanism coupled to the delivery system. ... Medtronic Inc

05/17/18 / #20180132961

Medical device anchoring

Techniques, systems and apparatus for anchoring a therapy delivery device within a body portal are disclosed. An anchoring apparatus may comprise a first part comprising an outer sidewall and opposing grip surfaces. ... Medtronic Inc

05/17/18 / #20180132931

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

05/17/18 / #20180132793

System and methods of processing accelerometer signals

Embodiments of the present disclosure describe a method of monitoring a patient comprising generating an accelerometer signal of a patient via a patient medical device and capturing and sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals. Embodiments further describe a patient medical device comprising sensors for monitoring an accelerometer signal of a patient and circuitry for sampling the accelerometer signal at a sampling rate that utilizes non-regular timing intervals. ... Medtronic Inc

05/17/18 / #20180132745

Method and medical device for discriminating between a supraventricular tachycardia and a ventricular tachycardia

A method for automatically discriminating between a supraventricular tachycardia event and a ventricular tachycardia event is provided. The method includes sensing a first cardiac signal using a first electrode pair and a second cardiac signal using a second electrode pair during a heartbeat, applying a first algorithm to the first cardiac signal to determine whether the first cardiac signal is indicative for a supraventricular tachycardia or indicative for the ventricular tachycardia; applying a second algorithm to the second cardiac signal to determine whether the second cardiac signal is indicative for the supraventricular tachycardia or indicative for the ventricular tachycardia, the second comparison algorithm being different from the first comparison algorithm; and assigning to a heartbeat-specific indicator a first value indicative for the ventricular tachycardia when at least one of the first cardiac signal and the second cardiac signal have been determined to be indicative tor the ventricular tachycardia.. ... Medtronic Inc

05/17/18 / #20180132733

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

05/10/18 / #20180126177

Thermal management for recharge of implantable medical devices

Devices, systems, and techniques are configured for cooling tissue during recharge of an implantable medical device (imd) battery. In one example, a method includes charging, by an inductive charger, a rechargeable battery of an implantable medical device (imd) within a patient, wherein the imd comprises a housing that houses the rechargeable battery, and wherein a primary coil of the inductive charger is positioned above a region of skin of the patient proximate to the imd. ... Medtronic Inc

05/10/18 / #20180126172

Method and apparatus for monitoring tissue fluid content for use in an implantable cardiac device

Techniques for using multiple physiological parameters to provide an early warning for worsening heart failure are described. A system is provided that monitors a multiple diagnostic parameters indicative of worsening heart failure. ... Medtronic Inc

05/10/18 / #20180126135

Drug-filled stents with filaments for increased lumen surface area and method of manufacture thereof

A stent including a hollow wire formed into a stent pattern. The hollow wire includes an outer member having an outer surface and an inner surface, a lumen extending longitudinally within the hollow wire, at least one opening extending from the outer surface of the outer member to the lumen, and a plurality of filaments extending longitudinally within the lumen. ... Medtronic Inc

05/10/18 / #20180126127

Chordae tendineae management devices for use with a valve prosthesis delivery system and methods of use thereof

Embodiments hereof relate to methods of delivering a valve prosthesis to an annulus of a native valve of a heart, the native valve having chordae tendineae. A chordae management catheter is positioned within a ventricle of the heart, the chordae management catheter having a displacement component at a distal end thereof. ... Medtronic Inc

05/10/18 / #20180126121

Telescoping catheter

A telescoping catheter including an elongated tubular member having a proximal end, a distal end, and a passageway extending between the proximal end and the distal end. The tubular member includes a first tubular segment and a second tubular segment. ... Medtronic Inc

05/10/18 / #20180126073

Methods and apparatus for detecting and reacting to insufficient hypoglycemia response

A method for providing blood glucose data is provided. In response to a suspension of a continuous basal insulin delivery, by an insulin delivery pump, the method identifies a condition indicating continuing hypoglycemia that continues when basal insulin delivery is suspended; and performs an action, by the insulin delivery pump, based on identifying the condition.. ... Medtronic Inc

05/10/18 / #20180126070

Belt clip

A belt clip assembly is disclosed. The belt clip assembly includes a device retainer having a first retainer defined to retain a clip pin. ... Medtronic Inc

05/10/18 / #20180126057

Systems and methods for oxygenator performance evaluation

Systems and methods for monitoring oxygenator performance in extracorporeal circuit systems or the like. More particularly, the disclosure relates to systems and methods including a controller programmed to determine oxygenator apparatus flow impedance as a function of an inlet pressure measurement, an outlet pressure measurement and a blood flow rate measurement. ... Medtronic Inc

05/10/18 / #20180126055

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

05/10/18 / #20180125685

Drug-filled stents to prevent vessel micro-injuries and methods of manufacture thereof

A stent includes a hollow wire formed into a stent pattern. The hollow wire includes an outer member, a lumen extending longitudinally within the hollow wire, at least one opening extending from an outer surface of the outer member to the lumen, and a surface area component within the hollow wire. ... Medtronic Inc

05/10/18 / #20180125655

Medical device delivery system and methods of delivering a medical device

A medical device delivery system can include a dilator including a tip having a taper in a distal direction, a coupler, and a flap that radially protrudes from the tip. The flap can be configured to bend against a body lumen to cover at least a portion of the delivery system when the dilator is tracked through the body lumen. ... Medtronic Inc

05/10/18 / #20180125654

Valve delivery system

A valve delivery system including a valve prosthesis, a first catheter, and a second catheter. The valve prosthesis comprises a first frame and a second frame. ... Medtronic Inc

05/10/18 / #20180125642

Valve delivery system having an integral displacement component for managing chordae tendineae in situ and methods of use thereof

Embodiments hereof relate methods of delivering a valve prosthesis to an annulus of a native valve of a heart. A valve delivery system is introduced into a ventricle of the heart via a ventricular wall of the heart. ... Medtronic Inc

05/10/18 / #20180125631

Stents formed from dissimilar metals for tissue growth control

Stents formed from dissimilar materials configured to control tissue growth. A stent may be formed from a composite wire helically wound into a stent having a tubular configuration. ... Medtronic Inc

05/10/18 / #20180125604

Automatic identification of tracked surgical devices using an electromagnetic localization system

A method and apparatus for identifying a member used in a navigation system. The navigation system can determine the identification of an instrument via an input. ... Medtronic Inc

05/10/18 / #20180125388

Coordination of functional mri scanning and electrical stimulation therapy

Changes in electrical stimulation therapy delivered via a medical device are coordinated with functional magnetic resonance imaging (fmri) scans. In one example, a medical device delivers electrical stimulation therapy to a patient in an mri unit, where the medical device is configured to cycle electrical stimulation therapy between a plurality of stimulation states. ... Medtronic Inc

05/03/18 / #20180117363

Catheter-based devices and associated methods for immune system neuromodulation

Catheter-based devices and associated methods for immune system neuromodulation of human patients are disclosed herein. One aspect of the present technology is directed to methods of treating a human patient diagnosed with an immune system condition. ... Medtronic Inc

05/03/18 / #20180117337

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and at least one ventricular diastolic event. The pacemaker is configured to set an atrial refractory period, detect a change in a ventricular diastolic event metric and adjust the atrial refractory period in response to detecting the change. ... Medtronic Inc

05/03/18 / #20180117324

Pacemaker mediated tachycardia detection and intervention

A method of employing an implantable medical device to detect pacemaker mediated tachycardia (pmt) and adjusting a parameter (e.g. Pvarp) in response to confirmation of the pmt. ... Medtronic Inc

05/03/18 / #20180117311

Field steerable electrical stimulation paddle, lead system, and medical device incorporating the same

An implantable electrode paddle is adapted to receive an electrical signal from a medical device and generate an electrical field to stimulate selected body tissue. The paddle includes a housing including walls that define an interior space and a plurality of windows formed through at least a first one of the walls for transmitting the electrical field to the body tissue, an electrode array including a plurality of electrode groups, each electrode group including at least two electrodes individually secured in a respective window and spaced between about 0.1 mm and about 10 mm apart, and a plurality of wires, each of the wires being coupled to a respective electrode and routed within the interior space to receive the electrical signal. ... Medtronic Inc

05/03/18 / #20180117307

Electrode fixation in interventional medical systems

An implantable medical device assembly includes a mounting structure, an electrode, and fixation tines. The electrode protrudes from a surface of the structure, offset proximally from a distal end of the structure, and approximately centered between first and second sides of the structure. ... Medtronic Inc

05/03/18 / #20180117303

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

05/03/18 / #20180117281

Burr hole cap assembly with therapy delivery member orientation feature

In some examples, a burr hole cap assembly includes one or more markers that indicate a rotational orientation of a therapy delivery member relative to the burr hole cap assembly, where the therapy delivery member extends through an opening defined by the burr hole cap assembly. In addition, in some examples, the burr hole cap assembly includes a feature that indicates the rotational orientation of the therapy delivery member after the therapy delivery member is implanted in the patient. ... Medtronic Inc

05/03/18 / #20180116723

Methods and systems for optimizing perivascular neuromodulation therapy using computational fluid dynamics

Methods and systems for optimizing perivascular neuromodulation therapy using computational fluid dynamics. Digital data regarding three-dimensional imaging of a target blood vessel and corresponding hemodynamic data are inputs to generating a computational fluid dynamics (cfd) model. ... Medtronic Inc

05/03/18 / #20180116715

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

05/03/18 / #20180116713

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

05/03/18 / #20180116598

System and methods of determining etiology of undiagnosed symptomatic events

Embodiments describe a method of determining etiology of undiagnosed events comprising monitoring electrocardiogram signals and blood pressure of a patient via a medical device, capturing one or more of an ecg segment and a bp reading in response to a triggering event, classifying one or more of the ecg segment and bp reading as normal or abnormal, and determining etiology of undiagnosed symptomatic events based on the classification. Embodiments further describe a medical device comprising sensors for monitoring ecg signals and bp of a patient, circuitry for capturing one or more of ecg segments and bp readings of a patient in response to a triggering event, and a processor for communicating one of more of captured ecg segments and captured bp readings to a remote monitoring center directly or indirectly where the captured ecg segments and captured bp readings are classified as normal or abnormal.. ... Medtronic Inc

05/03/18 / #20180116538

Method and apparatus for detecting electrocardiographic abnormalities based on monitored high frequency qrs potentials

A system and method of monitoring electrocardiogram (ecg) signals and detecting ischemic conditions. In particular, high-frequency components and low-frequency components are extracted from the monitored ecg signal. ... Medtronic Inc

05/03/18 / #20180116536

System and method for onset/offset capture

A medical device is utilized to monitor physiological parameters of a patient and capture segments of the monitored physiological parameters. The medical device includes circuitry configured to monitor one or more physiological parameters associated with the patient and an analysis module that includes a buffer and a processor. ... Medtronic Inc

04/19/18 / #20180104495

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

04/19/18 / #20180104483

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

04/19/18 / #20180104410

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

04/19/18 / #20180104006

Vein occlusion assessment using temperature

A medical system, comprising an ablation catheter is disclosed. The ablation catheter includes an elongate shaft with a proximal end, a distal end and a lumen disposed between the proximal end and the distal end. ... Medtronic Inc

04/19/18 / #20180104005

Methods and apparatus for performing a non-continuous circumferential treatment of a body lumen

Methods and apparatus are provided for non-continuous circumferential treatment of a body lumen. Apparatus may be positioned within a body lumen of a patient and may deliver energy at a first lengthwise and angular position to create a less-than-full circumferential treatment zone at the first position. ... Medtronic Inc

04/19/18 / #20180103978

Shaped lead introducer for epidural space

A shaped lead introducer being elastically deflectable and having a pre-set shape end portion and forming a pre-set angle for implanting leads into an epidural space of a patient.. . ... Medtronic Inc

04/12/18 / #20180101655

Remote patient monitoring system

Techniques for systems and methods for remotely monitoring a patient are provided. The system comprises a plurality of input sources operable to acquire patient-specific information corresponding to a condition of a patient. ... Medtronic Inc

04/12/18 / #20180101151

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

04/12/18 / #20180099138

Electrode fixation in interventional medical systems

An implantable medical device assembly includes a mounting structure, an electrode protruding from a surface of the structure, between opposing sides thereof, and tissue-penetrating fixation tines, each extending from a corresponding shoulder of the structure surface, adjacent to the opposing sides. In a relaxed condition, each tine extends away from the surface and then bends toward a proximal end of the structure and back toward the surface. ... Medtronic Inc

04/12/18 / #20180099124

System and method for crossing a native heart valve with a guidewire

A system for crossing a heart valve with a guidewire includes an advancement motor and a controller. The controller controls when the advancement motor advances and retracts the guidewire. ... Medtronic Inc

04/12/18 / #20180099092

Infusion systems and methods for automated exercise mitigation

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 a control system associated with the infusion device obtaining a first measurement indicative of a physiological condition of the user from a first sensing arrangement, obtaining one or more measurements from a second sensing arrangement indicative of a second condition of the user. ... Medtronic Inc

04/12/18 / #20180099079

Systems and methods for multifunctional volumetric fluid control

Systems and methods for controlling fluid movement and volumes of fluid between a subject and a controlled compliant flow path. The controlled compliant flow path has a means for selectively metering in and metering out fluid from the controlled compliant flow path. ... Medtronic Inc

04/12/18 / #20180098848

Stented prosthetic heart valve delivery system having an expandable bumper

Delivery devices for delivery of a stented prosthetic heart valve. Various delivery devices include an outer sheath assembly including an outer sheath connected to a capsule that is advanced proximally to retain the prosthetic valve, which is secured over an inner shaft assembly of the delivery device. ... Medtronic Inc

04/12/18 / #20180098846

Delivery system for a valve prosthesis

A heart valve prosthesis and delivery systems are provided for replacing a cardiac valve. The heart valve prosthesis includes a self-expanding frame includes a portion having a crimp that provides additional flexibility to the self-expanding frame in the collapsed configuration.. ... Medtronic Inc

04/12/18 / #20180098810

Systems and methods of performing medical procedures

A medical method is provided, including a medical device having a distal assembly including at least one electrode and at least one treatment element, the medical device generating information regarding at least one of a physiological measurement and an operational parameter of the medical device; a plurality of surface electrodes affixable to a skin of the patient, wherein the surface electrodes are in electrical communication with the distal assembly to obtain position information of the medical device; and a processor pairing the position information and the at least one of a physiological measurement and an operational parameter of the medical device.. . ... Medtronic Inc

04/12/18 / #20180098704

Method and device to monitor patients with kidney disease

A medical monitoring device for monitoring electrical signals from the body of a subject is described. The medical monitoring device monitors electrical signals originating from a cardiac cycle of the subject and associates each cardiac cycle with a time index. ... Medtronic Inc

04/05/18 / #20180092682

Spiral electrode for neuromodulation therapy

Catheters having spiral electrodes and methods for their use in neuromodulation therapy. A therapeutic assembly is disposed at a distal portion of a neuromodulation catheter and is adapted to be located at a target location within a target blood vessel of a human patient. ... Medtronic Inc

03/29/18 / #20180085592

Facilitating integrity of telemetry connectivity between an implantable device and a remote device

Systems, apparatus, methods and computer-readable storage media that facilitate monitoring the integrity of telemetry connectivity between an implantable device and an external device are provided. In one embodiment, an implantable device includes a monitoring component that monitors advertisement signal information identifying an amount of advertisement signals transmitted to the external device within a defined time period, and telemetry session information identifying an amount of the telemetry sessions that are established between the external device and the implantable device within the defined time period. ... Medtronic Inc

03/29/18 / #20180085590

Brain stimulation programming

A programming system allows a user to program therapy parameter values for therapy delivered by a medical device by specifying a desired therapeutic outcome. In an example, the programming system presents a model of a brain network associated with a patient condition to the user. ... Medtronic Inc

03/29/18 / #20180085589

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker is configured to detect a ventricular diastolic event from a motion signal received by a pacemaker control circuit from a motion sensor. The control circuit starts an atrial refractory period having an expiration time set based on a time of the detection of the ventricular diastolic event. ... Medtronic Inc

03/29/18 / #20180085588

Atrial tracking in an intracardiac ventricular pacemaker

An intracardiac ventricular pacemaker having a motion sensor is configured to produce a motion signal including an atrial systolic event and a ventricular diastolic event indicating a passive ventricular filling phase, set a detection threshold to a first amplitude during an expected time interval of the ventricular diastolic event and to a second amplitude lower than the first amplitude after an expected time interval of the ventricular diastolic event. The pacemaker is configured to detect the atrial systolic event in response to the motion signal crossing the detection threshold and set an atrioventricular pacing interval in response to detecting the atrial systolic event.. ... Medtronic Inc

03/29/18 / #20180085586

Adaptive deep brain stimulation using frequency sub-bands

Techniques are disclosed for delivering electrical stimulation therapy to a patient. In one example, a medical system delivers electrical stimulation therapy to a tissue of the patient via electrodes. ... Medtronic Inc

03/29/18 / #20180085585

Adaptive deep brain stimulation using movement desynchronization

Techniques are disclosed for delivering electrical stimulation therapy to a patient. In one example, a medical system delivers electrical stimulation therapy to a tissue of the patient via electrodes. ... Medtronic Inc

03/29/18 / #20180085579

Enabling and disabling anti-tachyarrhythmia pacing in a concomitant medical device system

An implantable medical device comprising a signal generator configured to generate and deliver anti-tachyarrhythmia pacing (atp) to a heart of a patient and processing circuitry. The processing circuitry is configured to detect an enable event, responsive to detecting the enable event, enable the delivery of atp by the signal generator, detect a disable event indicating that another implantable medical device cannot be relied upon to deliver an anti-tachyarrhythmia shock, and responsive to detecting the disable event, disable delivery of atp.. ... Medtronic Inc

03/29/18 / #20180085572

Adaptive deep brain stimulation using homeostatic window

Techniques are disclosed for defining a homeostatic window for controlling delivery of electrical stimulation therapy to a patient. In one example, a method includes generating and delivering electrical stimulation therapy to tissue of a patient via electrodes. ... Medtronic Inc

03/29/18 / #20180085524

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

03/29/18 / #20180085523

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

03/29/18 / #20180085519

Pressure measuring catheter with adenosine infusion

An intracoronary catheter measures pressure distal to a lesion (pd) and has a fluid lumen for administers adenosine to a patient's vasculature. A controller is configured to provide an injection of adenosine, wait for a period of time, measure pd, and compare pd to the pd measured before the injection of the adenosine. ... Medtronic Inc

03/29/18 / #20180085219

Balloon catheter including braided portions forming perfusion openings

A balloon catheter includes a balloon coupled to a shaft. The shaft includes a proximal perfusion portion disposed proximal of the balloon and a distal perfusion portion disposed distal of the balloon. ... Medtronic Inc

03/29/18 / #20180085180

Pouches with multi-layer walls for improved durability and protection medical devices

A flexible, sterilizable pouch includes a first wall coupled to a second wall and a cavity defined between the first wall and the second wall. The cavity is configured to receive a medical device, and the pouch is configured to seal the medical device within the cavity. ... Medtronic Inc

03/29/18 / #20180085162

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

03/29/18 / #20180085076

Apparatus and method for mechanically providing power to a generator on a continuous rotatable rotor of an x-ray scanner

A system including an x-ray scanner gantry having: a housing; a gantry gear; a rotor; a generator mounted on the rotor; and first and second generator gears connected to or engaged with one or more axles of the generator. The second generator gear is engaged with the gantry gear. ... Medtronic Inc

03/29/18 / #20180085022

System and method for cardiac monitoring using adaptive sensitivity/specificity levels

Embodiments of the present disclosure describe methods of adaptive arrhythmia detection comprising monitoring ecg signals of a patient via a patient medical device, detecting and capturing ecg segments based on a heart rate threshold and an initial sensitivity level associated with the heart rate threshold; and adjusting the sensitivity level based on previously captured ecg segments. Embodiments of the present disclosure further describe patient medical devices comprising one or more electrodes and sensing circuitry for monitoring ecg signals of a patient; and a processing module configured to receive the monitored ecg signal, wherein the processing module detects and captures ecg segments based on a plurality of heart rate thresholds and one or more sensitivity levels associated with each of the heart rate thresholds, and adjusts at least one of the one or more sensitivity levels associated with each of the heart rate thresholds.. ... Medtronic Inc

03/29/18 / #20180085021

System and method for cardiac monitoring using rate-based sensitivity levels

A system and method for detecting arrhythmic electrocardiogram (ecg) signals includes defining a plurality of threshold heart rates and rate-dependent sensitivity levels for detecting arrhythmic ecg episodes, wherein more clinically relevant heart rates are assigned rate-dependent sensitivity levels with higher sensitivities. Ecg signals are monitored by a medical device, and monitored ecg signals are processed using the plurality of threshold heart rates and rate-dependent sensitivity levels to detect and capture arrhythmic ecg segments.. ... Medtronic Inc

03/22/18 / #20180078769

Dorsal spinal column characterization with evoked potentials

This disclosure relates to methods, devices, and systems for delivering and adjusting stimulation therapy. In one example, a method comprising delivering, by a stimulation electrode, electrical stimulation as a candidate therapy to a patient according to a set of candidate therapy parameters, the stimulation electrode located in proximity to the dorsal column of a patient; sensing, by a sensing electrode, an electrically evoked compound action potential (eecap) signal in response to the delivery of the electrical stimulation; and classifying, by a processor, the sensed eecap signal generated in response to the application of the candidate therapy relative to an eecap baseline is disclosed.. ... Medtronic Inc

03/22/18 / #20180078758

Methods and apparatus 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

03/22/18 / #20180078316

System for guided procedures

A system using images of a subject to assist in visualization of hidden portions of the subject is disclosed. The system may illustrate the images with a wearable display. ... Medtronic Inc

03/22/18 / #20180078226

Method and apparatus for reconstructing image projections

A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system having a detector able to move relative to the subject. ... Medtronic Inc

03/22/18 / #20180078161

Remote control module for instruments

A monitoring system may include a processor and display system for displaying results from the monitoring. A user may be in a sterile field away from the processor and display system and selected input devices. ... Medtronic Inc

03/15/18 / #20180075299

Gas bubble detector

The invention relates to a gas bubble detector for determining gas bubbles in a fluid. The gas bubble detector can be used in any application requiring a determination whether gas bubbles exist in the fluid. ... Medtronic Inc

03/15/18 / #20180074028

Colorimetric gas detection

The invention relates to a colorimetric gas detector for determining and monitoring gaseous substances. The colorimetric gas detector can be used in any application requiring the detection of substances in a gaseous environment. ... Medtronic Inc

03/15/18 / #20180074012

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

03/15/18 / #20180074011

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

03/15/18 / #20180074010

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

03/15/18 / #20180073991

Fluid sensor apparatus

The invention relates to a fluid sensor apparatus and a related sensor card for determining and/or monitoring a ph and/or solute concentration in a fluid. The fluid sensor apparatus can be used in any application requiring the detection of fluid components or concentrations of solutes, and in an exemplary embodiment, is used to detect ammonia concentration and/or ph in dialysis fluid. ... Medtronic Inc

03/15/18 / #20180073989

Fluid sensor card

The invention relates to sensor cards for determining and/or monitoring solute concentration and/or ph of a fluid based on an optically observable change of a sensing membrane or colorimetric material in the presence of ions in solution. The sensor cards can be placed in a fluid sensor apparatus and used to determine the solute concentration and/or ph of any fluid, such as dialysate.. ... Medtronic Inc

03/15/18 / #20180071536

Posture state responsive therapy delivery using dwell times

Techniques related to classifying a posture state of a living body are disclosed. One aspect relates to sensing at least one signal indicative of a posture state of a living body. ... Medtronic Inc

03/15/18 / #20180071530

Identification of compromised components in a medical system

In some examples of selecting a target therapy delivery site for treating a patient condition, a relatively high frequency electrical stimulation signal is delivered to at least two areas within a first region (e.g., an anterior nucleus of the thalamus) of a brain of a patient, and changes in brain activity (e.g., as indicated by bioelectrical brain signals) within a second region (e.g., a hippocampus) of the brain of the patient in response to the delivered stimulation are determined. The target therapy delivery site, an electrode combination, or both, may be selected based on the changes in brain activity.. ... Medtronic Inc

03/15/18 / #20180071518

Interventional medical systems and retrieval tools thereof

A tool operable with a catheter in an interventional medical system retrieves a medical device from an implant site, wherein the device includes an attachment feature that forms an annular recess to be engaged by a lasso of the tool for snaring the device, and a distal-most sidewall of the catheter defines a receptacle into which the snared device is retrieved. A guide of the tool includes a sidewall defining a lumen in which the lasso extends for deployment out from a distal opening thereof, to snare and retrieve the implanted device. ... Medtronic Inc

03/15/18 / #20180071491

Centering coiled guide

A device and system for providing a centered lumen within a catheter body. A coiled guide lumen (cgl) is composed of a length of wire forming a plurality of coils about the longitudinal axis of the cgl, the cgl including one or more first sections having a first diameter and one or more sections having a second diameter, the second diameter being greater than the first diameter, and a secondary guide lumen extending through the first sections. ... Medtronic Inc

03/15/18 / #20180071456

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

03/15/18 / #20180071077

Stent-graft having supported transition stent and method

A stent-graft includes a graft material having a main body, a first leg, a second leg, and a transition region where the first leg and the second leg meet the main body. A main body transition stent is coupled to the main body. ... Medtronic Inc

03/15/18 / #20180071005

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

03/08/18 / #20180069199

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

03/08/18 / #20180068439

Method of determining target treatment locations

A method and system for automatic location of a target treatment structure, such as a pulmonary vein ostium, from an anatomical image. The method includes calculating a most likely path of blood flow through a pulmonary vein based on a cross-sectional area minimization technique and calculating pulmonary vein geometry as a function of length. ... Medtronic Inc

03/08/18 / #20180064949

Method and apparatus for discriminating tachycardia events in a medical device using two sensing vectors

A method and medical device for detecting a cardiac event that includes sensing cardiac signals from a plurality of electrodes forming a first sensing vector sensing a first interval of the cardiac signal during a predetermined time period and a second sensing vector simultaneously sensing a second interval of the cardiac signal during the predetermined time period, identifying each of the first interval and the second interval as being one of shockable and not shockable in response to first processing of the first interval and the second interval and in response to second processing of one or both of the first interval and the second interval, the second processing being different from the first processing, and determining whether to deliver therapy for the cardiac event in response to identifying each of the first interval and the second interval as being one of shockable and not shockable in response to both the first processing and the second processing of the first interval and the second interval.. . ... Medtronic Inc

03/08/18 / #20180064933

System for conditioning surfaces in vivo

A system and method for conditioning surfaces of a body in vivo includes providing an electrical energy source, coupling the electric energy source to the surface, and delivering electropositive current from the electrical energy source to the surface so as to generate a sub-threshold current density on the surface. In preferred embodiments, the sub-threshold electropositive current density is between about 0.001 and about 1.0 ma/cm2.. ... Medtronic Inc

03/08/18 / #20180064927

Implantable medical device fixation

Various fixation techniques for implantable medical device (imds) are described. In one example, an assembly comprises an imd; and a set of active fixation tines attached to the imd. ... Medtronic Inc

03/08/18 / #20180064926

Implantable medical device fixation

Various fixation techniques for implantable medical device (imds) are described. In one example, an assembly comprises an imd; and a set of active fixation tines attached to the imd. ... Medtronic Inc

03/08/18 / #20180064925

Medical leads and related systems that include a lumen body that is joined to a lead body and that has multiple filar lumens

Medical leads include a lumen body at an end of the lead, and the lumen body includes multiple filar lumens. The lumen body is joined to a lead body, and electrical connectors are longitudinally spaced along the lumen body. ... Medtronic Inc

03/08/18 / #20180064907

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

03/08/18 / #20180064888

Systems for managing reservoir chamber pressure

Systems for managing pressure in a fluid reservoir chamber of a fluid infusion device are provided. For example, a fluid infusion device comprises a housing having a reservoir chamber that receives a fluid reservoir and a pump chamber. ... Medtronic Inc

03/08/18 / #20180064872

Drug delivery programming techniques

Devices, systems, and techniques for programming drug delivery are described. Such techniques may account for diffusion and mixing of drug within the fluid or allow for more flexible programming options. ... Medtronic Inc

03/08/18 / #20180064868

Pump clip for a fluid infusion device

A pump clip for a fluid infusion device is provided. The pump clip includes a mount. ... Medtronic Inc

03/08/18 / #20180064867

Pump clip for a fluid infusion device

A pump clip for a fluid infusion device is provided. The pump clip includes a clip base having a first end opposite a second end. ... Medtronic Inc

03/08/18 / #20180064495

Navigation with arbitrary catheter geometries and method of contact assessment

A method and system for determining a location of a treatment element relative to an anatomical feature and for estimating contact between the treatment element and the anatomical feature in the context of a navigation system. The system may include a medical device including at least one treatment element and at least one navigation electrode and a navigation system in communication with the one or more navigation electrodes, the navigation system including a processing unit. ... Medtronic Inc

03/08/18 / #20180064494

Navigation guidance method for complex catheters

A method and system for determining a target location for a medical device having complex geometry relative to an anatomical feature, and for navigating and positioning the medical device at the target location. The system may include a medical device including a treatment element having a centroid, one or more navigation electrodes, and a longitudinal axis and a navigation system in communication with the one or more navigation electrodes, the navigation system including a processing unit. ... Medtronic Inc

03/08/18 / #20180064482

Variable geometry cooling chamber

The present invention provides a medical device that may include a catheter body having proximal and distal portions, a fluid injection lumen disposed within elongate body, and a guidewire lumen disposed within the elongate body. A tip portion defining a cavity in fluid communication with the fluid injection lumen may be coupled to the distal end of the guidewire lumen, and an expandable element may be coupled to the distal portion of the catheter body and to the tip portion, such that the expandable element is in fluid communication with the fluid injection lumen. ... Medtronic Inc

03/08/18 / #20180064481

Mri-compatible cryocatheters and system

A system and device for cryoablation of tissue that is suitable for use within an mri environment. The device may include an elongate body, a treatment element at the distal portion of the elongate body, and one or more pull fibers. ... Medtronic Inc

03/01/18 / #20180056080

Implantable medical device with dual-use communication module

An implantable medical device comprises a communication module that comprises at least one of a receiver module and a transmitter module. The receiver module is configured to both receive from an antenna and demodulate an rf telemetry signal, and receive from a plurality of electrodes and demodulate a tissue conduction communication (tcc) signal. ... Medtronic Inc

03/01/18 / #20180056073

Delivery of independent interleaved programs to produce higher-frequency electrical stimulation therapy

The techniques of the disclosure describe example medical devices, systems, and methods for interleaving a plurality of low-frequency electrical stimulation pulse trains delivered by a plurality of sets of electrodes of an implantable medical device (imd) to effectively deliver a combined high-frequency electrical pulse train to a target tissue area. In one example, each set of the plurality of sets of electrodes has a unique anode and cathode. ... Medtronic Inc

03/01/18 / #20180056046

Transcatheter guidewire delivery systems, catheter assemblies for guidewire delivery, and methods for percutaneous guidewire delivery across heart valves

Transcatheter guidewire delivery systems, catheter assemblies and associated methods for percutaneous guidewire delivery across heart valves are disclosed herein. A catheter assembly configured in accordance herewith includes an elongated tubular component and an alignment assembly at a distal portion of the tubular component and which is adapted to be located at a target location adjacent a heart valve of a patient. ... Medtronic Inc

03/01/18 / #20180056045

Transcatheter guidewire delivery systems, catheter assemblies for guidewire delivery, and methods for percutaneous guidewire delivery across heart valves

Transcatheter guidewire delivery systems, catheter assemblies and associated methods for percutaneous guidewire delivery across heart valves are disclosed herein. A catheter assembly configured in accordance herewith includes an elongated tubular component and an alignment assembly at a distal portion of the tubular component and which is adapted to be located at a target location adjacent a heart valve of a patient. ... Medtronic Inc

03/01/18 / #20180055633

Heart valve prosthesis and separate support flange for attachment thereto

A valve prosthesis assembly for implantation into a native valve site. The valve prosthesis assembly includes a valve prosthesis with a prosthetic valve component and a frame. ... Medtronic Inc

03/01/18 / #20180055632

Prosthetic heart valve devices and methods of valve replacement

A stented valve having at least one leaflet made of pericardium or other material having a relatively thin profile at the annulus. The leaflets are attached via chords to a stent frame, where the chords are positioned to mimic the native valve anatomy and functionality. ... Medtronic Inc

03/01/18 / #20180055580

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

03/01/18 / #20180055519

Multiple connection drive shaft

Disclosed is a system to engage a plurality of tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. ... Medtronic Inc

03/01/18 / #20180055500

Minimally invasive implantable neurostimulation system

An external medical device generates a drive signal inductively coupled to an implantable coil from an external coil. A regulator module coupled to the implantable coil generates an output signal in response to the inductively coupled signal and a feedback signal correlated to an amplitude of the inductively coupled signal. ... Medtronic Inc

03/01/18 / #20180055393

System to monitor neural integrity

A stimulation electrode assembly configured to be positioned relative to a patient for an operative procedure is disclosed. The stimulation electrode may be a connection or self-contained component to contact a portion of a nerve. ... Medtronic Inc

03/01/18 / #20180055386

Systems and methods for monitoring hemodynamic status

The exemplary systems and methods may monitor one or more signals to be used to assess the hemodynamic status of a patient. The one or more signals may be used to calculate, or determine, a plurality of pulse transit times. ... Medtronic Inc

02/22/18 / #20180054880

Gated image acquisition and patient model construction

A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different power characteristics. ... Medtronic Inc

02/22/18 / #20180054034

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

02/22/18 / #20180049861

Coated sutures for reducing stent graft endoleaks

The present technology relates generally to endovascular prostheses. More particularly, the disclosure relates to endovascular prostheses having a graft material and a stent structure attached with a suture, or a seam formed by a suture, where the suture has a coating that expands upon exposure to body fluids. ... Medtronic Inc

02/22/18 / #20180049796

Subxiphoid connective lesion ablation system and method

Instrument and systems for applying ablative energy to epicardial tissue via a subxiphoid access surgical approach. The instrument has a head assembly sized and shaped for a subxiphoid surgical approach to a patient's heart and defines a contact face. ... Medtronic Inc

02/15/18 / #20180043170

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

02/15/18 / #20180043169

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

02/15/18 / #20180043167

Managing recharge power for implantable medical devices

Devices, systems, and techniques for estimating energy transfer to tissue of a patient during battery charging for an implantable medical device are disclosed. Implantable medical devices may include a rechargeable power source that can be transcutaneously charged. ... Medtronic Inc

02/15/18 / #20180043081

Peritoneal dialysate purity control system

The invention relates to devices, systems, and methods for generating a peritoneal dialysate having purity and sterility characteristics suitable for peritoneal dialysis (pd). The peritoneal dialysate can be generated from water of variable quality using a purity control system having one or more ultrafilters for sterilization of the peritoneal dialysate peritoneal dialysate generation system and related methods are described that can generate sterilized peritoneal dialysate and deliver peritoneal dialysis therapy to a patient.. ... Medtronic Inc

02/15/18 / #20180043080

Catheter and peritoneum health monitoring

The invention relates to systems and methods for monitoring the long term health of the peritoneum and catheter in a patient undergoing peritoneal dialysis (pd) treatment. The systems and methods include processors and sensors for determining changes in the peritoneum health or catheter of a pd patient to support analysis, replacement, and possible medical intervention. ... Medtronic Inc

02/15/18 / #20180043079

Peritoneal dialysis intracycle osmotic agent adjustment

The invention relates to systems and methods for making intracycle adjustments to an osmotic agent concentration of peritoneal dialysate inside the peritoneal cavity of a patient. The systems and methods include osmotic agent sources, flow paths, and processors to adjust the osmotic agent concentration of dialysate in the peritoneal cavity of the patient. ... Medtronic Inc

02/15/18 / #20180043078

Adaptive peritoneal dialysis intra-session adjustments for overall session optimization

The invention relates to systems and methods for adjusting one or more dialysis parameters for delivering a peritoneal dialysis cycle to a patient based on patient or system parameters. The systems and methods include various sensors, flow paths, and processors to adjust the dialysis parameters used to deliver peritoneal dialysis therapy, for a specific peritoneal dialysis cycle. ... Medtronic Inc

02/15/18 / #20180043077

Peritoneal dialysis filtrate sampling and adaptive prescription

The invention relates to systems and methods for optimizing a peritoneal dialysate prescription based on one or more fluid characteristics sensed from a filtrate removed from a patient. The systems and methods include sensors, flow paths, and processors to adjust a peritoneal dialysate prescription and deliver peritoneal dialysis therapy to a patient based on the adjusted prescription. ... Medtronic Inc

02/15/18 / #20180043076

Intersession adaptive peritoneal dialysis fluid removal for multiple session optimization

The invention relates to systems and methods for optimizing a peritoneal dialysate therapy session based on one or more patient or system parameters obtained from a previous peritoneal dialysis therapy session. The systems and methods include various sensors, flow paths, and processors to adjust a peritoneal dialysis prescription for a subsequent therapy session based on data received during or after one or more previous therapy session. ... Medtronic Inc

02/15/18 / #20180043075

Peritoneal dialysate flow path sensing

The invention relates to systems and methods for sensing fluid characteristics of peritoneal dialysate infused into and removed from a patient during treatment. The systems and methods include sensors, processors, and flow paths for determining patient health based on the fluid characteristics of the peritoneal dialysate. ... Medtronic Inc

02/15/18 / #20180042535

Monitoring of neuromodulation using biomarkers

Provided herein are methods, devices, compositions, and kits for monitoring neuromodulation efficacy based on changes in the level or activity of one or more target biomarkers.. . ... Medtronic Inc

02/15/18 / #20180042524

System and method for motion detection and accounting

A stimulation electrode assembly configured to be positioned relative to a patient for an operative procedure is disclosed. An evoked stimulation response may be sensed by a sensor near a portion of a subject. ... Medtronic Inc

02/15/18 / #20180042514

Automatic identification of instruments used with a surgical navigation system

A system and apparatus taught to determine the identification and selected information relating to surgical instruments near a reader. The information can be stored on a member operable to transmit the information to a reader at a selected time. ... Medtronic Inc

02/15/18 / #20180042492

Catheter and method for calculating fractional flow reserve

A catheter for measuring a fractional flow reserve includes a proximal shaft, a distal shaft coupled to a distal portion of the proximal shaft, and a pressure sensor coupled to the distal shaft. The distal shaft includes a middle wall portion configured to extend through a stenosis in a vessel. ... Medtronic Inc

02/08/18 / #20180036530

Dual prophylactic and abortive electrical stimulation

Prophylactic stimulation and abortive electrical stimulation are delivered to a cranial nerve, including, e.g. An occipital or trigeminal nerve to treat symptoms of various conditions, including, e.g. ... Medtronic Inc

02/08/18 / #20180036517

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

02/08/18 / #20180036477

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

02/08/18 / #20180036475

Low cost fluid delivery device

Embodiments of the invention described herein include low cost infusion devices having basal and/or bolus fluid delivery options. Embodiments of the device include a housing, a reservoir to contain the fluid, a source of pressure to exert a force to expel the fluid contained in the reservoir, a bolus port adapted to receive an optional extra dose of fluid, and a cannula in fluid communication with the reservoir and the bolus port. ... Medtronic Inc

02/08/18 / #20180036125

Delivery system with inline sheath

Systems and methods for delivering and implanting heart valves are disclosed. The delivery systems can include an integrated introducer. ... Medtronic Inc

02/08/18 / #20180036123

Delivery devices for implantable medical devices and methods of manufacturing same

This disclosure describes, among other things, methods, devices, and systems for non-invasive evaluation of a patient's vascular system and custom design and manufacture of one or more components of a delivery device for delivery and deployment of an implantable medical device, such as a prosthetic heart valve. For example, a delivery sheath can be 3d printed to have varying durometers at one or more areas along its length and/or circumference so that it can more easily bend and flex as it traverses particularly tortuous anatomical features.. ... Medtronic Inc

02/08/18 / #20180036122

Implantable valve prosthesis

The present invention provides valve prostheses adapted to be initially crimped in a narrow configuration suitable for catheterization through body ducts to a target location and adapted to be deployed by exerting substantially radial forces from within by means of a deployment device to a deployed state in the target location.. . ... Medtronic Inc

02/08/18 / #20180036057

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

02/08/18 / #20180035956

Mobile application to prompt physical action to measure physiologic response in implantable device

A user equipment that includes a touchscreen, and at least one processor configured to generate first timestamp data based upon detection of a first touch event on the touchscreen, and second timestamp data based upon detection of a second touch event on the touchscreen, for calculation by a medical device system of a patient-specific functional status parameter associated with a sit-to-stand performance test over a time segment inclusively bounded by a first time defined by the first timestamp data and a second time defined by the second timestamp data.. . ... Medtronic Inc

02/08/18 / #20180035924

Accelerometer signal change as a measure of patient functional status

A medical device system that includes accelerometer circuitry configured to generate signals including a sagittal axis signal, a vertical axis signal and a transverse axis signal, and processing circuitry configured to calculate a patient-specific functional status parameter associated with a sit-to-stand test from at least one of the sagittal axis signal, the vertical axis signal and the transverse axis signal.. . ... Medtronic Inc

02/08/18 / #20180035920

Step detection using accelerometer axis

Examples described herein include a medical device system comprising an accelerometer circuitry configured to output a signal indicative of variations in accelerations along a single axis of movement of patient; and processing circuitry configured to receive the output signal from the accelerometer, and to rectify the output signal to generate a rectified signal, wherein rectification of the output signal comprises generating a rectified value for each of a plurality of moving windows imposed over the output signal, wherein generating the rectification value for each of the plurality of moving windows comprises determining a current value of the output signal for the window, determining a maximum value for a portion of the output signal enclosed by the window, and subtracting the current value from the maximum value; and analyze the rectified signal to detect the occurrence of a step taken by a patient based on the rectified signal.. . ... Medtronic Inc

02/08/18 / #20180035899

Automatic heart rate diagnostics

In some examples, processing circuitry of a medical device system determines, for each of a plurality of periods, a plurality of heart rates of a patient based on a cardiac electrogram signal, and identifies a first subset of the plurality of heart rates as nighttime heart rates and a second subset of the plurality of heart rates as resting heart rates. The processing circuitry determines a representative nighttime heart rate based on the first subset of the plurality of heart rates, determines a representative resting heart rate based on the second subset of the plurality of heart rates, and determines a nocturnal dip base on the representative nighttime heart rate and the representative resting heart rate. ... Medtronic Inc

02/08/18 / #20180035898

Change in physiological parameter in response to exertion event

A method for monitoring health of a subject based on a physiological response to physical exertion, by processing circuitry of a medical device system, is described that includes detecting a plurality of exertion events of the subject based on a first sensed signal that varies as a function of movement of the subject. The method further includes determining a response of a physiological parameter of the subject to the exertion event for each of the detected exertion events based on second sensed signal that varies as a function of the physiological parameter. ... Medtronic Inc

02/01/18 / #20180028828

Cardiac electrical signal morphology and pattern-based t-wave oversensing rejection

A medical device, such as an extra-cardiovascular implantable cardioverter defibrillator (icd), senses r-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal acquired by a second sensing channel in response to each sensed r-wave. The icd determines morphology match scores from the stored time segments of the second cardiac electrical signal and, based on the morphology match scores, withholds detection of a tachyarrhythmia episode. ... Medtronic Inc

02/01/18 / #20180028827

Facilitating telemetry data communication security between an implantable device and an external device

Systems, apparatus, methods and non-transitory computer readable media facilitating telemetry data communication security between an implantable device and an external clinician device are provided. An implantable device can include a security component configured to generate security information based on reception of a clinician telemetry session request from the clinician device via a first telemetry communication protocol. ... Medtronic Inc

02/01/18 / #20180028814

System and method for controlling cardiac pacing mode switching

An implantable medical device system operates in an atrial synchronized ventricular pacing mode and switches to an atrial-asynchronous pacing mode when pacing mode switching criteria are met. A control circuit of the system detects a cycle length change between two atrial cycle lengths determined from a cardiac signal that includes far-field atrial events. ... Medtronic Inc

02/01/18 / #20180028805

Interventional medical systems and associated tethering assemblies and methods

In an interventional medical system, a delivery catheter for deploying a medical device of the system has a tethering assembly that includes a tether line, a grip member, and a release member, wherein the tether line extends through a longitudinal lumen of a base of the release member and is coupled to a base of the grip member, and the release member has legs extending though apertures formed through the base of the grip member. The device may be tethered to the catheter such that a proximal end of the device is held within a cavity defined by a plurality of elastic fingers of the grip member that extend distally from the base thereof; and the device may be deployed from the catheter by moving the legs of the release member within the grip member cavity to push the proximal end of the device out from the cavity.. ... Medtronic Inc

02/01/18 / #20180028266

Tracked powered drill assembly

Disclosed is a system to engage one or more tools. In the system a drive shaft and collet may be assembled to engage and disengage, selectively, a plurality of tools. ... Medtronic Inc

02/01/18 / #20180028258

Device for medical lead extraction

An electrosurgical hand piece device is configured to cut tissue with monopolar rf energy to extract a medical lead submersed in fluid. The device includes an electrode surrounded by an electrically insulating coating that can be exposed from a distal edge of the electrode when power is supplied to the device, thereby focusing the energy at the distal edge and enabling tissue to be more easily and safely cut from around the medical lead while in fluid.. ... Medtronic Inc

02/01/18 / #20180028256

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

02/01/18 / #20180028252

Cryogenic balloon device with electroporation treatment region

An intravascular ablation device, including a flexible elongate body; an expandable element positioned on the elongate body; a radiofrequency or electroporation treatment segment located distally of the expandable element; a cryogenic coolant source in fluid communication with an interior of the expandable element; and a radiofrequency or electroporation energy source in communication with the radiofrequency or electroporation treatment segment.. . ... Medtronic Inc

02/01/18 / #20180028087

Cardiac electrical signal gross morphology-based noise detection for rejection of ventricular tachyarrhythmia detection

A medical device system, such as an extra-cardiovascular implantable cardioverter defibrillator icd, senses r-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal in response to each sensed r-wave. The medical device system determines a morphology parameter correlated to signal noise from time segments of the second cardiac electrical signal, detects a noisy signal segment based on the signal morphology parameter; and withholds detection of a tachyarrhythmia episode in response to detecting a threshold number of noisy signal segments.. ... Medtronic Inc

02/01/18 / #20180028086

Automatic thresholds for atrial tachyarrhythmia detection in an implantable medical device

A system for detecting an atrial tachyarrhythmia episode includes a medical device having sensing circuitry configured to receive a cardiac electrical signal from electrodes coupled to the medical device and a processor configured to detect an atrial tachyarrhythmia episode in response to a time duration of the cardiac electrical signal classified as an atrial tachyarrhythmia being greater than or equal to a first detection threshold. The processor is configured to determine if detection threshold adjustment criteria are met based on at least the detected first atrial tachyarrhythmia episode and adjust the first detection threshold to a second detection threshold different than the first detection threshold in response to the detection threshold adjustment criteria being met.. ... Medtronic Inc

02/01/18 / #20180028085

Cardiac electrical signal gross morphology-based noise detection for rejection of ventricular tachyarrhythmia detection

A medical device system, such as an extra-cardiovascular implantable cardioverter defibrillator icd, senses r-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal in response to each sensed r-wave. The medical device system determines a morphology parameter correlated to signal noise from time segments of the second cardiac electrical signal, detects a noisy signal segment based on the signal morphology parameter; and withholds detection of a tachyarrhythmia episode in response to detecting a threshold number of noisy signal segments.. ... Medtronic Inc

02/01/18 / #20180028083

Cardiac electrical signal noise detection for tachyarrhythmia episode rejection

A medical device, such as an extra-cardiovascular implantable cardioverter defibrillator (icd), senses r-waves from a first cardiac electrical signal by a first sensing channel and stores a time segment of a second cardiac electrical signal acquired by a second sensing channel in response to each sensed r-wave. The medical device determines at least one noise parameter from a group of the stored time segments of the second cardiac electrical signal, detects noise based on the noise parameter, and withholds detection of a tachyarrhythmia episode in response to detecting the noise.. ... Medtronic Inc

02/01/18 / #20180028082

Method and apparatus for atrial arrhythmia episode detection

Techniques and devices for implementing the techniques for adjusting atrial arrhythmia detection based on analysis of one or more p-wave sensing windows associated with one or more r-waves. An implantable medical device may determine signal characteristics of the cardiac signal within the p-wave sensing window, determine whether the cardiac signal within the sensing window corresponds to a p-wave based on the determined signal characteristics, determine a signal to noise ratio of the cardiac signal within the sensing window, update the arrhythmia score when the p wave is identified in the sensing window and the determined signal to noise ratio satisfies a signal to noise threshold.. ... Medtronic Inc

01/25/18 / #20180021587

Implantable pulse generator systems and methods for providing functional and/or therapeutic stimulation of muscles and/or nerves and/or central nervous system tissue

Improved assemblies, systems, and methods provide a stimulation system for prosthetic or therapeutic stimulation of muscles, nerves, or central nervous system tissue, or any combination. The stimulation system includes an implantable pulse generator and a lead sized and configured to be implanted subcutaneously in a tissue region. ... Medtronic Inc

01/25/18 / #20180021574

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

01/25/18 / #20180021571

Interventional medical systems and associated assemblies and methods

A catheter assembly includes a cap and a spring-biased tethering member coupled thereto. The cap includes first and second portions, and a transition zone extending therebetween. ... Medtronic Inc

01/25/18 / #20180021542

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

Packaging for catheter treatment devices, such as catheters including multi-electrode arrays, are disclosure herein. In one embodiment, for example, a catheter package assembly comprises a tray, a lid, and a coiled sheath disposed in the tray. ... Medtronic Inc

01/25/18 / #20180021515

Application of electrochemical impedance spectroscopy in sensor systems, devices, and related methods

A diagnostic electrochemical impedance spectroscopy (eis) procedure is applied to measure values of impedance-related parameters for one or more sensing electrodes. The parameters may include real impedance, imaginary impedance, impedance magnitude, and/or phase angle. ... Medtronic Inc

01/25/18 / #20180021501

Peritoneal dialysate preparation and sensor system

The invention relates to devices, systems, and methods for generating a peritoneal dialysate having specified concentrations of one or more solutes. The devices, systems and methods use conductivity sensors, flow meters, and composition sensors to control addition of osmotic agents and ion concentrates into a peritoneal dialysate generation flow path.. ... Medtronic Inc

01/25/18 / #20180021500

Peritoneal dialysate temperature regulation system

The invention relates to devices, systems, and methods for temperature regulation in generating peritoneal dialysate and using a peritoneal dialysis (pd) system. The system can use a heater and temperature sensors to regulate the temperature of fluid within the pd system.. ... Medtronic Inc

01/25/18 / #20180020938

Identifying ambiguous cardiac signals for electrophysiologic mapping

A system and associated method for determining whether a signal is ambiguous, wherein the system includes a plurality of electrodes configured to be located proximate tissue of a patient. A display apparatus thereof includes a graphical user interface configured to present information to a user. ... Medtronic Inc

01/18/18 / #20180015290

Machining of enclosures for implantable medical devices

Enclosures for implantable medical devices are machined from biocompatible materials using processes such as electric discharge machining and/or milling. Material is machined to create an enclosure. ... Medtronic Inc

01/18/18 / #20180015269

Pressure relief for a catheter balloon device

A method of limiting an inflation system pressure for dilating a region of a patient's nasal sinus passageways. The method includes grasping an inflation device. ... Medtronic Inc

01/18/18 / #20180015266

Electronic valve reader having orientation sensing mechanism

Magnetic-based electronic valve readers for determining a location and orientation of magnets coupled to implantable medical devices to determine a setting of the device (e.g., setting of a fluid flow control valve of the medical device). The electronic valve readers include an orientation sensing mechanism that is provided and configured to enable the electronic valve reader to: 1) allow for internal offset calculation of an orientation change of the electronic valve reader during a reading process; and/or 2) during the reading process, provide an indication or warning to the clinician that the orientation of the electronic valve reader has changed to an extent at or exceeding a predetermined angular acceptance threshold or window. ... Medtronic Inc

01/18/18 / #20180015265

High-pressure dilatation catheter balloon

A dilatation catheter includes a high-pressure balloon component comprising an inner balloon and an outer balloon. An interior of the inner balloon is in fluid communication with a lumen of the catheter for receiving inflation fluid therefrom. ... Medtronic Inc

01/18/18 / #20180014883

Catheters and methods for intracardiac electrical mapping

A method and system capable of identifying ectopic foci, rotors, or conduction pathways involved in reentrant arrhythmias within cardiac tissue, and then treating identified ectopic foci, rotors, and/or pathways with either lethal or sub-lethal temperatures. The system includes a medical device having one or more mapping elements and one or more treatment elements, and a computer programmable to identify ectopic foci and rotors based at least in part on signals received from the one or more mapping elements at one or more locations.. ... Medtronic Inc

01/18/18 / #20180014820

Control for surgical handpiece

A powered surgical handpiece including a housing, a printed circuit board, a sensor, and an actuator assembly. The housing has a longitudinal axis extending from a first end to a second end of the housing. ... Medtronic Inc

01/11/18 / #20180009966

Medical device and plasticized nylon material

A plasticized nylon and a medical device including plasticized nylon. The medical device may be a dilatation balloon. ... Medtronic Inc

01/11/18 / #20180008820

Unwrapped 2d view of a stimulation lead with complex electrode array geometry

The disclosure is directed to programming implantable stimulators to deliver stimulation energy via one or more implantable leads having complex electrode array geometries. The disclosure also contemplates guided programming to select electrode combinations and parameter values to support efficacy. ... Medtronic Inc

01/11/18 / #20180008799

Device retention mechanism and method

A device retention assembly includes a delivery system and a device retention mechanism retaining the delivery system. The device retention mechanism includes a tray, a base coupled to the tray, and retaining flanges pivotally coupled to the base. ... Medtronic Inc

01/11/18 / #20180008411

Annuloplasty device for tricuspid valve repair

Annuloplasty device for implantation adjacent an annulus of a tricuspid valve, the annulus comprising anterior, posterior and septal aspects adjacent anterior, posterior and septal leaflets, respectively, of the tricuspid valve, the device comprising: a ring body comprising: an anterior portion, a posterior portion and a septal portion shaped to conform to, and for implantation adjacent, the anterior, posterior and septal aspects of the annulus, respectively; and first and second end portions that are more flexible than a remainder of the ring body to provide a gradual transition from the remainder of the ring body to tissue of the tricuspid valve annulus; wherein the ring body is curvilinear, with substantially no flat portions, and forming a shape. Related devices, kits and sizer devices.. ... Medtronic Inc

01/11/18 / #20180008401

Controlled tip release stent graft delivery system and method

An apparatus and method of deploying a stent graft having a proximal anchor stent ring includes restraining proximal apexes of the proximal anchor stent ring between a spindle body of a spindle and a control release sleeve of a tapered tip. The control release sleeve is advanced relative to the spindle to release a first proximal apex through an opening in the control release sleeve while the remaining proximal apexes remain restrained by the control release sleeve. ... Medtronic Inc

01/11/18 / #20180008366

Biomatter capture mechanism and method

In accordance with one embodiment, a method of capturing biomatter includes placing a device comprising the biomatter within an extension tube, the extension tube being coupled to a tray. A fold is created in the extension tube sealing the extension tube and the biomatter contained therein. ... Medtronic Inc

01/11/18 / #20180008363

Slip card for long sealed trays and method

A delivery system package includes a tray, a delivery system, and a slip card between the tray and the delivery system. To remove the delivery system, a pull tab of the slip card is moved to raise the slip card including the delivery system from the tray. ... Medtronic Inc

01/11/18 / #20180008284

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

01/04/18 / #20180007769

Gated image acquisition and patient model construction

A method and system is disclosed for acquiring image data of a subject. The image data can be collected with an imaging system with at least two different power characteristics. ... Medtronic Inc

01/04/18 / #20180001095

External energy transfer system for an implantable medical device and method therefor

User interface for external power source, recharger, for an implantable medical device. At least some of patient controls and display icons of an energy transfer unit are common with at least some of the patient controls and the display icons of a patient control unit. ... Medtronic Inc

01/04/18 / #20180001023

Therapy program modification based on a therapy field model

Techniques for modeling therapy fields for therapy delivered by medical devices are described. Each therapy field model is based on a set of therapy parameters and represents where therapy will propagate from the therapy system delivering therapy according to the set of therapy parameters. ... Medtronic Inc

01/04/18 / #20180001011

Sensing and storage system for fluid balance

A sensing and storage system for fluid balance during dialysis is provided. The sensing and storage system has flow sensors on either side of a dialyzer in a controlled volume dialysate flow path. ... Medtronic Inc

01/04/18 / #20180000588

Methods, devices and systems for treating venous insufficiency

Methods and systems for improving the competency of a venous valve wherein one or more compressor(s) (e.g., space occupying material(s) or implantable device(s)) is/are delivered to one or more location(s) adjacent to a venous valve to compress the venous valve in a manner that causes one or both leaflets of the valve to move toward the other, thereby improving closure or coaptation of the valve leaflets. The compressor(s) may be delivered by an open surgical approach, by a direct percutaneous approach or by a transluminal catheter-based approach.. ... Medtronic Inc

01/04/18 / #20180000587

Prosthetic heart valve devices and methods of valve repair

A mechanism for adjusting the chordae connecting the leaflets of a mitral valve to the papillary muscles in order to restore normal functioning of the mitral valve. The devices or mechanisms can correct problems associated with both prolapsed leaflets and restricted leaflets to allow the leaflets to properly coapt, thereby preventing or minimizing regurgitation. ... Medtronic Inc

01/04/18 / #20180000584

Methods for anchoring a heart valve prosthesis in a transcatheter valve implantation procedure

Methods of deploying and securing a heart valve prosthesis are disclosed. A heart valve prosthesis (100) having a plurality of anchor guides (212) is loaded within a catheter-based delivery device, wherein each of the anchor guides is releasably engaged by a respective elongate member (338) and wherein tensioning of the elongate members aids in collapsing the prosthesis during loading. ... Medtronic Inc

01/04/18 / #20180000582

Valve prosthesis fixation techniques using sandwiching

A prosthetic apparatus for implantation at a native valve complex includes a main body configured for placement within the native valve, at least one downstream arm and at least one upstream arm, each coupled to and disposed outside of the main body. The main body includes a compressed state for delivery and an expanded state. ... Medtronic Inc

01/04/18 / #20180000576

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








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