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Cardiovascular Systems Inc patents


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

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


Catheter assembly for delivering a medical device

Catheter assembly for delivering an implant including an outer tubular member, an inner shaft member, and a pusher assembly. The outer tubular member defines an outer tubular member lumen and includes an inner layer, a reinforcement layer, a middle layer, and an outer layer. ... Cardiovascular Systems Inc

Expandable member for an electrophysiology catheter

Expandable electrophysiology catheters having electrodes mounted on splines of an expandable member are described. The splines of the expandable member include subsegments between a proximal location and a distal intersection at a central axis. ... Cardiovascular Systems Inc

Eccentric system of abrasive elements with equal mass for rotational atherectomy

The invention provides a rotational atherectomy device having, in various embodiments, a flexible, elongated, rotatable drive shaft with a system of eccentric abrading heads attached thereto. At least part of the eccentric enlarged abrading heads in the system have a tissue removing surface—typically an abrasive surface. ... Cardiovascular Systems Inc

Rotational atherectomy device with a system of eccentric abrading heads

The invention provides a rotational atherectomy device having, in various embodiments, a flexible, elongated, rotatable drive shaft with a system of eccentric abrading heads attached thereto. At least part of the eccentric enlarged abrading heads in the system have a tissue removing surface—typically an abrasive surface. ... Cardiovascular Systems Inc

Method of increasing stent retention of bioabsorbable scaffolding with a sheath

A medical device includes a polymer stent crimped to a catheter having an expansion balloon. The stent is crimped to the balloon by a process that includes heating the stent to a temperature below the polymer's glass transition temperature to improve stent retention without adversely affecting the mechanical characteristics of the stent when later deployed to support a body lumen. ... Cardiovascular Systems Inc

Morphology profiles for control of agent release rates from polymer matrices

The present disclosure teaches methods of controlling the release rate of agents from a polymeric matrix that include designing and creating a predetermined initial morphology (im) profile in a polymeric matrix. The teachings indicate, inter alia, that control over the release rate of agents can provide for an improved control over the administration of agents as well as have an effect upon the mechanical integrity and absorption rate of the polymeric matrix.. ... Cardiovascular Systems Inc

Cinch and post for tricuspid valve repair

A system for repairing a tricuspid valve in a patient's heart comprising a post having a distal end and a proximal end, a capture element attached to the distal end of the post, the capture element including: a plurality of arms each having a first end and a second end, each arm attached at the first end to the post and extending both radially outwardly from the post and proximally, each arm defining an opening at the second end; a wire passing sequentially through the opening on each arm, whereby tensioning the wire draws the second end of each arm towards the post.. . ... Cardiovascular Systems Inc

Dryers for removing solvent from a drug-eluting coating applied to medical devices

A coating device for coating a medical device with a drug-eluting material uses an in-process drying station between coats to improve a drug release profile. The drying station includes a dryer having a telescoping plenum which provides a drying chamber for the stent or scaffold to reside while a heated gas is passed over the stent/scaffold. ... Cardiovascular Systems Inc

Rubber toughened bioresorbable polymer peripheral scaffolds

Bioabsorbable scaffolds are disclosed with a rigid polymer component and a rubbery polymer component. The rubbery polymer component is miscible, partially miscible, or immiscible with the rigid polymer component.. ... Cardiovascular Systems Inc

Non-circular radiopaque markers and methods for attaching a marker to a scaffold

A scaffold includes a marker connected to a strut. The marker is retained within the strut by a tongue-and-groove connection. ... Cardiovascular Systems Inc

Fixation devices, systems and methods for heart valve leaf repair

Devices, systems and methods for repairing a valve in a patient's heart includes a two or more fixations devices, each fixation device being attachable to the free end of a target tissue, such as a valve leaflet, the fixation devices being coupled together by a coupling device capable of repositioning and coupling the fixation devices in order to re-position the free ends of the valve leaflets.. . ... Cardiovascular Systems Inc

Rotational medical device with airfoil

A rotational medical device comprising an airfoil on a rotational drive shaft to generate lift forces generally directed radially away from a rotational axis of the drive shaft, thereby enabling the drive shaft and/or a working element thereon to achieve a working diameter during rotation that is greater than the resting diameter of the drive shaft and/or a working element thereon.. . ... Cardiovascular Systems Inc

Method for forming a coating on a stent

A method for forming a coating on a stent involves spraying or drying a coating on the stent while the stent is supported on a mandrel assembly, during which part of the stent is made to go out of contact with the mandrel assembly.. . ... Cardiovascular Systems Inc

Methods for crimping a polymeric stent scaffold onto a delivery balloon

A medical device includes a polymer stent scaffold crimped to a catheter having an expansion balloon. A process for forming the medical device includes placing the scaffold on a support supported by an alignment carriage, and deionizing the scaffold to remove any static charge buildup on the scaffold before placing the scaffold within a crimper to reduce the scaffold's diameter. ... Cardiovascular Systems Inc

04/05/18 / #20180093020

Absorbable coating for implantable device

The present invention provides an absorbable coating for an implantable device and the methods of making and using the same.. . ... Cardiovascular Systems Inc

03/01/18 / #20180055621

Great vessel graft suturing aid

A stabilization tool supports a blood vessel for suturing during cardiovascular surgery. The support vessel may typically be part of an artificial graft used in replacing an aortic arch. ... Cardiovascular Systems Inc

02/15/18 / #20180042694

Surgical tissue marking device with dryer

A marking/drying tool applies ink to biological tissue using a single handheld device. A cylindrical body retains a felt tip movable between a retracted position within the body and an extended position outside the body for marking the tissue. ... Cardiovascular Systems Inc

02/15/18 / #20180042596

Minimally-invasive surgery tool with automatic lighting

A surgical device provides a retractor tool or rake with integral lighting. The device includes a retractor body having a rake finger at one end and a handle at its other end. ... Cardiovascular Systems Inc

02/15/18 / #20180042595

Valve rake and mount for surgical retractor

A mounting mechanism for use with surgical retractor rakes mounts to a fixed frame at an edge of a surgical site to that the rake can be conveniently configured into position with simple manual adjustments. A valve rake finger is arranged on the end of a shaft. ... Cardiovascular Systems Inc

02/08/18 / #20180036154

Methods for vascular restoration therapy

A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. The scaffold has a structure that produces a low late lumen loss when implanted within a peripheral vessel and also exhibits a high axial fatigue life. ... Cardiovascular Systems Inc

01/25/18 / #20180021134

Independent system for tricuspid valve repair

A system for repairing a tricuspid valve and positioned at a distal end of a catheter having a proximal end and a distal end and a bore extending between the proximal end and the distal end. The system comprises an activation element extending along the bore, the activation element including a first push element and a first pull element; a second push element and a second pull element; a third push element and a third pull element; wherein the first push element, the second push element, and the third push element are independently slideable in relation to each other; a first lower jaw being pin connected to the first pull element; a second lower jaw being pin connected to the second pull element; a third lower jaw being pin connected to the third pull element.. ... Cardiovascular Systems Inc

01/25/18 / #20180021133

System for tricuspid valve repair

A system for repairing a tricuspid valve in a patient's heart; a first shaft; a first disc removably mounted on the first shaft; a second shaft coaxially aligned with, and slideable in relation to, the first shaft; a second disc removably mounted on the second shaft, wherein the second disc is positioned proximal of the first disc; and wherein the first disc includes a plurality of openings positioned on an outer perimeter of the first disc, and a first cinch wire extending through the plurality of openings and thence through the catheter to the proximal end, the first cinch wire being tensionable for reducing the outer perimeter of the first disc.. . ... Cardiovascular Systems Inc

01/11/18 / #20180008438

Thermal processing of polymer scaffolds

Methods are disclosed including thermally processing a scaffold to increase the radial strength of the scaffold when the scaffold is deployed from a crimped state to a deployed state such as a nominal deployment diameter. The thermal processing may further maintain or increase the expansion capability of the scaffold when expanded beyond the nominal diameter.. ... Cardiovascular Systems Inc

01/04/18 / #20180000617

Intravascular stent

A stent design reduces the likelihood of contact among structural members when the stent diameter is reduced before insertion into the body. In one approach, an undulating link has a j-shaped profile or has an angled portion on one side at the peak of the link, in order to reduce contact during crimping. ... Cardiovascular Systems Inc

12/28/17 / #20170367860

Method of crimping stent on catheter delivery assembly

A method of crimping a stent is disclosed. The stent includes a minimum crimped diameter such that in the minimum crimped diameter, a pair of stent rings, between which marker support structures reside, do not make contact with the marker support structures. ... Cardiovascular Systems Inc

12/21/17 / #20170363554

Radio frequency identification monitoring of stents

A method and system of monitoring environmental exposure of stents using radiofrequency identification is disclosed.. . ... Cardiovascular Systems Inc

12/21/17 / #20170363103

Centrifugal pumps for medical uses

Extracorporeal circuit devices can be used for on-pump open-heart surgery to support surgical procedures such as coronary artery bypass grafting. In some cases, a centrifugal pump is used as part of an extracorporeal circuit. ... Cardiovascular Systems Inc

12/21/17 / #20170361011

Medical reservoirs with variable-elevation drop tubes

Devices and methods for enhancing the operations of fluid systems are provided. For example, this document provides variable-elevation drop tubes that are well suited for use with medical fluid reservoirs. ... Cardiovascular Systems Inc

12/21/17 / #20170361001

Centrifugal pumps for medical uses

Extracorporeal circuit devices can be used for on-pump open-heart surgery to support surgical procedures such as coronary artery bypass grafting. In some cases, a centrifugal pump is used as part of an extracorporeal circuit. ... Cardiovascular Systems Inc

12/21/17 / #20170360421

Suture-based closure with hemostatic tract plug

Devices for closing a passage through tissue communicating with a body lumen. The device may include an elongate body, a sheath disposed at the distal end of the device for disposition within a body lumen, a hollow needle disposed within a needle lumen of the body, the needle being selectively advancable through the needle lumen, a suture-anchor ejection mandrel disposed within the hollow needle that is also selectively advancable through the hollow needle, a suture-anchor and suture disposed within the hollow needle, a distal end of the suture attached to the suture anchor for ejection out the hollow needle by the mandrel. ... Cardiovascular Systems Inc

12/14/17 / #20170356556

One-way valve devices

One-way valve devices can be used within fluid systems. For example, this document provides one-way valves that can be installed within a lumen of a tube, a fitting, and other types of tubular members. ... Cardiovascular Systems Inc

12/07/17 / #20170348124

Method of uniform crimping and expansion of medical devices

A medical device-includes a scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the balloon by a process that includes one or more balloon pressurization steps. ... Cardiovascular Systems Inc

11/30/17 / #20170340439

Equipment for preparing valve leaflet from membrane

A device prepares leaflets for cardiovascular valve reconstruction from a pericardial tissue sheet harvested from a patient. A cutter is adapted to cut a predetermined pattern having a selected leaflet size. ... Cardiovascular Systems Inc

11/23/17 / #20170333683

Medical device including a solderable linear elastic nickel-titanium distal end section and methods of preparation therefor

Shapeable guide wire devices and methods for their manufacture. Guide wire devices include an elongate shaft member having a shapeable distal end section that is formed from a linear pseudoelastic nickel-titanium (ni—ti) alloy that has linear pseudoelastic behavior without a phase transformation or onset of stress-induced martensite. ... Cardiovascular Systems Inc

11/23/17 / #20170333238

Delivery system for a self expanding stent

A system for delivering a stent from a catheter sheath in a longitudinal direction comprising: a thumbwheel mounted on an axle, the axle being supported by opposite walls of a housing; a first pinion mounted on the axle; a second pinion mounted on the axle, whereby rotation of the thumbwheel causes rotation of the first pinion and rotation of the second pinion; a first rack, engageable with the first pinion at a first surface of the first pinion, the first rack being operably connected with a stent-engaging member; a second rack, engageable with the second pinion at a second surface of the second pinion, the second surface being disposed in a direction diametrically opposite the first surface, the second rack being operably connected with a sheath configured to confine the stent.. . ... Cardiovascular Systems Inc

11/23/17 / #20170333233

Scaffolds having a radiopaque marker and methods for attaching a marker to a scaffold

A scaffold includes a radiopaque marker connected to a strut. The marker is retained within the strut by a head at one or both ends. ... Cardiovascular Systems Inc

11/16/17 / #20170325940

Temporary disposable scaffold stand and tools to facilitate reconstructive valve surgery

A device for joining individual leaflets for repairing a cardiac valve of a patient has a base and projection fingers rising from the base to support adjacent leaflets for tacking together by sewing overlapping edges of adjacent leaflets prior to emplacement into the patient. The invention provides a cutting tool for excising leaflets from a pericardial tissue sheet according to predetermined sizes and shapes. ... Cardiovascular Systems Inc

11/09/17 / #20170319363

High molecular weight polylactide and polycaprolactone copolymer and blends for bioresorbable vascular scaffolds

Bioresorbable polymer vascular scaffolds made of combinations of polylactide and polycaprolactone having a high molecular weight polymer, thin struts in a selected range and sufficient radial strength to support a vessel upon deployment. The scaffolds have degradation behavior of molecular weight, radial strength, and mass that are conducive to healing of a vessel including providing patency to a vessel, reduction of radial strength, breaking up, and resorbing to allow return of the vessel to a natural state.. ... Cardiovascular Systems Inc

10/26/17 / #20170304949

Laser system and processing conditions for manufacturing bioabsorbable stents

The present invention involves laser machining polymer substrates to form a stent with laser parameters that minimize damage to the substrate in a surface region adjacent to the machined edge surface. The wavelength and pulse width are selected for this unique application and they can be controlled to minimize the surface modifications (such as voids, cracks which are induced by the laser-material interaction) which contribute to the variation in mechanical properties with distance from the edge surface, bulk mechanical properties, or a combination thereof.. ... Cardiovascular Systems Inc

10/12/17 / #20170290688

Shape memory bioresorbable polymer peripheral scaffolds

Bioabsorbable scaffolds having high crush recoverability, high fracture resistance, and reduced or no recoil due to self expanding properties at physiological conditions are disclosed. The scaffolds are made from a random copolymer of plla and a rubbery polymer such as polycaprolactone.. ... Cardiovascular Systems Inc

09/28/17 / #20170273807

System and method for renal neuromodulation by adjustable oversized stent

A method for treating a patient diagnosed with a cardio-renal disease or disorder, the method comprising selecting a span of a renal artery having a first internal diameter, an artery wall; selecting a self-expanding stent having a cylindrical outer surface, the stent being configured to have a first external diameter in an unexpanded condition and being capable of expanding to have a second external diameter; implanting the stent in the span of the renal artery, and applying pressure to the at least one renal nerve with the stent, thereby at least partially modulating a function of the at least one renal nerve; then, reducing an elastic modulus of the stent when the stent has the second external diameter.. . ... Cardiovascular Systems Inc

09/21/17 / #20170265994

System and method for transcatheter heart valve platform

A method for delivering a platform for reinforcing an annulus of a mitral valve: passing a catheter having a sheath covering a tube formed from a metal into the left atrium, the tube including: an annular portion defining at least one opening, a plurality of upper elements attached to an upper perimeter of the annular portion and extending axially, and a plurality of lower elements attached to a lower perimeter of the annular portion. Inserting the tube into the annulus of the mitral valve; withdrawing the sheath, but leaving the sheath covering the annular portion and the upper elements; bending the lower elements until the lower elements extend radially so as to be positioned beneath the mitral valve; then withdrawing the sheath from covering the annular portion and the upper elements; bending the upper elements until the upper elements extend radially so as to be positioned above the mitral valve.. ... Cardiovascular Systems Inc

09/07/17 / #20170252493

Method of making a poly(l-lactide) stent with tunable degradation rate

Methods of treating with a biodegradable polymeric stent made from poly(l-lactide) and a low concentration of l-lactide monomer is disclosed. The concentration of l-lactide is adjusted to provide a degradation behavior that is suitable for different treatment applications including coronary, peripheral, and nasal.. ... Cardiovascular Systems Inc

09/07/17 / #20170252191

Crimping method

A method for crimping a stent with a polymer coating in a humid environment is disclosed.. . ... Cardiovascular Systems Inc

08/31/17 / #20170246352

Hybrid stent and method of making

A stent is formed by encasing or encapsulating metallic rings in an inner polymeric layer and an outer polymeric layer. At least one polymer link connects adjacent metallic rings. ... Cardiovascular Systems Inc

08/31/17 / #20170245879

Powerline communication systems and methods for medical devices

The powerline communication (“plc”) systems and methods described allow for bi-directional communication along an ac or dc conductor between a first device and at least a second device comprising a medical device system. Generally, two devices within a sterile field may communicate with each other by plc or a first device within a sterile field may communicate with a second device that is outside the sterile field by plc. ... Cardiovascular Systems Inc

08/24/17 / #20170239043

Bifurcated tubular graft for treating tricuspid regurgitation

A lubricated tubular graft is implanted in the inferior vena cava and the superior vena cava in order to control the inflow of blood to the right atrium. A bifurcated leg with a non-collapsing stent extends across the tricuspid valve. ... Cardiovascular Systems Inc

08/17/17 / #20170231790

Bioresorbable scaffold delivery system with improved distal integrity

Delivery systems are disclosed for bioresorbable scaffolds that decrease in length when expanded to a deployment diameter that allow accurate positioning of the scaffold at a lesion. The scaffolds are mounted on a catheter that includes marker bands that are positioned interior to the proximal and distal edges of the crimped scaffold to anticipate the shortening of the scaffold upon deployment. ... Cardiovascular Systems Inc

08/10/17 / #20170225260

Methods for counteracting rebounding effects during solid state resistance welding of dissimilar materials

The present disclosure is directed to a multi-segment device, such as an intravascular guide wire. The multi-segment device includes an elongate first portion comprising a first metallic material, an elongate second portion comprising a different metallic material, the first and second elongate portions being directly joined together end to end by a solid-state weld, and a heat affected zone surrounding an interface of the weld where the first and second portions are joined together, wherein the heat affected zone has an average thickness of less than about 0.20 mm.. ... Cardiovascular Systems Inc

08/10/17 / #20170224880

Methods for increasing coating strength to improve scaffold crimping yield

Methods of reducing crimping damage to polymer and drug coating on a scaffold are disclosed. The methods include physically aging a coating including a coating polymer and drug mixture on a scaffold in a manner that takes into account the differing kinetics of aging, that is, the different temperature dependence of the aging rate of the polymer and drug.. ... Cardiovascular Systems Inc

08/10/17 / #20170224319

One-way actuator knob

Embodiments of the present disclosure relate to apparatuses, systems, and methods for safely delivering and deploying an intravascular device. An apparatus for controlling an intravascular device may include a body having rotating assembly disposed through the body. ... Cardiovascular Systems Inc

07/13/17 / #20170196718

Segmented scaffold designs

Segmented scaffolds composed of disconnected scaffold segments with overlapping end rings are disclosed. Scaffolds with at least one discontinuous link are also disclosed.. ... Cardiovascular Systems Inc

07/13/17 / #20170196638

System and method for denervation

A method for manufacturing a shaping structure having a generally helical profile and configured to support electrodes for delivering electric energy into a cylindrical lumen of a patient. The method comprises providing a mandrel with a circular cylindrical shape and forming a first hole in the mandrel along the elongate axis, such that opposing ends of a bore of the first hole emerge at the proximal end and at the distal end; forming a second hole in the mandrel to extend from the curved surface to connect with the first hole; wrapping a metal wire around the mandrel; and inserting opposing ends of the metal wire into the second and the third hole respectively, and threading the opposing ends of the metal wire until they emerge from the opposing ends of the bore of the first hole; finally, heating the mandrel and the wire.. ... Cardiovascular Systems Inc

07/06/17 / #20170189586

Bioabsorbable coating for bioabsorbable stent

This invention is generally related to coating for implantable medical devices, such as drug delivery vascular stents, and methods of fabricating coated implantable medical devices.. . ... Cardiovascular Systems Inc

06/22/17 / #20170173308

Catheter with stepped skived hypotube

Catheter having a hypotube with a skive defined by a first angled cut, an axial cut, and a second angled cut. A midshaft member includes a guidewire lumen and an inflation lumen in fluid communication with an inflation lumen of the hypotube, the inflation lumen of the midshaft member configured to receive at least a portion of the hypotube. ... Cardiovascular Systems Inc

06/22/17 / #20170173222

Method of fabricating an implantable medical device comprising a rapamycin derivative

This invention relates to an method of manufacture of an implantable medical device comprising an oxygen-sensitive rapamycin derivative that is protected by addition of an antioxidant during the manufacturing process where the amount of antioxidant added at the outset of the processing is such that when the device is fully fabricated, sterilized and packaged the amount of antioxidant has reduced to a minimal, preferably non-detect, amount.. . ... Cardiovascular Systems Inc

06/22/17 / #20170172770

Thin-walled scaffolds having modified marker structure near distal end

A thin-walled scaffold includes a radiopaque marker connected to a link. In a first example, the marker is retained on the strut by a head at one or both ends by swaging. ... Cardiovascular Systems Inc

06/22/17 / #20170172769

Thin-walled scaffolds having reduced crimp profile and carrying radiopaque markers.

A thin-walled scaffold includes a radiopaque marker connected to a link. In a first example, the marker is retained on the strut by a head at one or both ends by swaging. ... Cardiovascular Systems Inc

06/22/17 / #20170172768

Thin-walled scaffolds having flexible distal end

A thin-walled scaffold includes a radiopaque marker connected to a link. In a first example, the marker is retained on the strut by a head at one or both ends by swaging. ... Cardiovascular Systems Inc

06/08/17 / #20170156906

Handle mechanism for actuating delivery catheter

A handle for delivering, from a distal end of a catheter, a stent positioned within a sheath. The handle comprises an upper rack fixed to the handle and an upper distal block moveable along the upper rack and defining a pawl configured to permit only proximal movement in relation to the upper rack, further including an upper proximal block moveable along the upper rack and defining a pawl configured to permit only proximal movement in relation to the upper rack. ... Cardiovascular Systems Inc

06/01/17 / #20170151078

Sheaths used with polymer scaffolds

A medical device includes a polymer scaffold crimped to a catheter having an expansion balloon. A sheath pair is placed over the crimped scaffold after crimping to reduce recoil of the crimped polymer scaffold and maintain scaffold-balloon engagement relied on to hold the scaffold to the balloon when the scaffold is being delivered to a target in a body. ... Cardiovascular Systems Inc

05/18/17 / #20170135686

Hinged tissue support device

A tissue support device is provided for managing access through tissue. The tissue support device engages the tissue proximate an opening in the tissue and biases the tissue support device to bring the engaged tissue together.. ... Cardiovascular Systems Inc

05/04/17 / #20170119564

Methods for improving stent retention on a balloon catheter

A method of crimping a stent on a balloon of a catheter assembly is provided. A polymeric stent is disposed over a balloon in an inflated configuration. ... Cardiovascular Systems Inc

04/27/17 / #20170113424

Post electron beam conditioning of polymeric medical devices

Methods are disclosed for conditioning a polymeric stent after sterilization, and/or after crimping and before packaging, such that the properties of the polymeric stent fall within a narrower range of values. The stent is exposed to a controlled temperature at or above ambient for a period of time after radiation sterilization and/or after crimping and before sterilization. ... Cardiovascular Systems Inc

04/27/17 / #20170112646

Bioabsorbable stent that modulates plaque geometric morphology and chemical composition

Methods of treating a diseased blood vessel exhibiting stenosis with a bioabsorable stent are disclosed. The implanted stent supports the section of the vessel at an increased diameter for a period of time to allow the vessel to heal. ... Cardiovascular Systems Inc

04/27/17 / #20170112645

Short pulse laser machining of polymers enhanced with light absorbers for fabricating medical devices

A method of laser machining a polymer construct to form a stent that includes a bioresorbable polymer and an absorber that increases absorption of laser energy during laser machining. The laser cuts the tubing at least in part by a multiphoton absorption mechanism and the polymer and absorber have a very low absorbance or are transparent to light at the laser wavelength.. ... Cardiovascular Systems Inc

04/27/17 / #20170112484

Access device for accessing tissue

A clip is provided for managing access through tissue. The clip is placed around an opening in tissue, although the opening may alternatively be formed after the clip is deployed. ... Cardiovascular Systems Inc

04/20/17 / #20170106177

System and method for renal neuromodulation by oversized stent

A method of stimulating a renal nerve in a human patient comprising, selecting a span of renal artery in the patient for implantation of a self-expanding stent, the artery having a first internal diameter, an artery wall, and being surrounded by peri-adventitial space through which at least one renal nerve extends; measuring the first internal diameter; selecting a self-expanding stent configured to be capable of expanding to have a second diameter that, in an expanded condition once implanted within the artery, is between 2 mm and 4 mm larger than the first diameter; implanting the stent in the span of the renal artery, whereby the stent eventually expands to the second diameter and thereby passes through the artery wall to become embedded in peri-advential space; and at least partially blocking the renal nerve or modulating a function of the nerve.. . ... Cardiovascular Systems Inc

04/20/17 / #20170105856

Non-circular radiopaque markers and methods for attaching a marker to a scaffold

A scaffold includes a marker connected to a strut. The marker is retained within the strut by a tongue-and-groove connection. ... Cardiovascular Systems Inc

04/06/17 / #20170095647

Reduced material tip for catheter and method of forming same

Method for fabricating a catheter including providing an inner tubular member formed from a first polymeric material, the inner tubular member having a distal section, a distal end, and a lumen defined therein by a first inner diameter; necking down at least a portion of the distal section of the inner tubular member to form a necked tip having a second inner diameter; and removing a portion of polymeric material from an inner surface along the necked tip to define a third inner diameter for the necked tip. The method can include positioning the distal section of the inner tubular member in a balloon having a working length, a distal neck, and a distal leg, with the distal end of the inner tubular member extending distally beyond a distal end of the distal leg, and coupling the distal leg of the balloon to at least a portion of the distal section of the inner tubular member.. ... Cardiovascular Systems Inc

04/06/17 / #20170095361

Methods for uniform crimping and deployment of a polymer scaffold

A medical device-includes a scaffold crimped to a catheter having an expansion balloon. The scaffold is crimped to the balloon by a process that includes one or more balloon pressurization steps. ... Cardiovascular Systems Inc

04/06/17 / #20170095360

Methods of fabricating stents with enhanced fracture toughness

Stents and methods of manufacturing a stents with enhanced fracture toughness are disclosed.. . ... Cardiovascular Systems Inc

04/06/17 / #20170095359

Manufacturing process for polymeric stents

Methods and systems of fabricating a polymeric stent are disclosed herein.. . ... Cardiovascular Systems Inc

03/30/17 / #20170086805

Closure devices, systems, and methods

An anchor assembly configured to locate and anchor body tissue surrounding an opening in the body tissue. The anchor assembly can include a plurality of anchor elements. ... Cardiovascular Systems Inc

03/30/17 / #20170086737

High visibility endoprosthesis and method

An endoprosthesis, a method for imaging an endoprosthesis, a method of making an endoprosthesis involve a polymeric substrate that has been modified to have voids embedded within the substrate. The voids are sized to scatter optical radiation from within the substrate so that an optical coherence tomography (oct) image can be obtained in which an interior region of the substrate can be easily differentiated from empty space and other structures that surround the endoprosthesis. ... Cardiovascular Systems Inc

03/16/17 / #20170071764

Stents with radiopaque markers

Various embodiments of stents with radiopaque markers disposed within depots in the stent, are described herein.. . ... Cardiovascular Systems Inc

03/09/17 / #20170065443

Implantable prosthesis with radiopaque particles and method of making same

An implantable prosthesis can comprise a strut having a lumen, radiopaque particles within the lumen, and a polymer binder. The polymer binder retains the radiopaque particles within the lumen. ... Cardiovascular Systems Inc

03/02/17 / #20170056218

System and method for conditioning an endoprosthesis

An endoprosthesis is conditioned prior to use within a patient by placing a scaffold of the endoprosthesis in contact with a sterile liquid optionally at body temperature, following by causing the scaffold to bend. The scaffold may be bent by moving the scaffold through a conditioning tube.. ... Cardiovascular Systems Inc

02/23/17 / #20170049593

Method to increase radial strength of a bioresorbable scaffold

Methods of fabricating a polymer scaffold with increased radial strength including steps of elongation or strain of a biaxially oriented tube and annealing or thermal processing of the strained tube at a constant strain are disclosed. The steps of elongation and thermal processing increase axial direction chain orientation and lamellar crystal growth, increase radial strength, and decrease the thickness of the tube. ... Cardiovascular Systems Inc

02/23/17 / #20170049592

Scaffolds having variable wall thickness

A scaffold strut is shaped to improve hemocompatibility. The scaffold is made from a tube having variable wall thickness. ... Cardiovascular Systems Inc

02/16/17 / #20170042816

Delivery of biologic therapeutics

Formulations and methods are disclosed which provide controlled, sustained release of a biologic therapeutic to a space within the body. More specifically, formulations comprising a plurality of hydrophilic polymer strands, and methods of forming and administering such formulations, are disclosed. ... Cardiovascular Systems Inc

02/16/17 / #20170042710

Intravascular stent

An expandable stent for implanting in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. In one aspect, the stent includes a butterfly pattern to which connecting links are attached. ... Cardiovascular Systems Inc

02/09/17 / #20170035488

Endoscopic vessel harvester with blunt and active dissection

A vessel dissector for harvesting a target vessel from a donor has a generally cylindrical tip body with a sloping channel formed along a longitudinal side. A channel bottom provides a channel depth that decreases from a distal channel end to a proximal channel end. ... Cardiovascular Systems Inc

02/09/17 / #20170035487

Endoscopic vessel harvester with blunt and active dissection

A vessel dissector for harvesting a target vessel has a tubular member carrying a blunt transparent tip with a terminus for blunt dissection of tissue and a base affixed to the tubular member. An active ring set has first and second ring segments mounted to distal ends of respective manipulator bars in the tubular member. ... Cardiovascular Systems Inc

02/02/17 / #20170028616

Methods for crimping a polymeric stent onto a delivery balloon

A medical device-includes a polymer stent crimped to a catheter having an expansion balloon. The stent is crimped to the balloon by a process that includes heating the stent to a temperature below the polymer's glass transition temperature to improve stent retention without adversely affecting the mechanical characteristics of the stent when later deployed to support a body lumen.. ... Cardiovascular Systems Inc

02/02/17 / #20170028506

Laser welder alignment system

A laser welder alignment system includes a laser welder, a camera associated with the laser welder configured to capture images of a loaded product within the laser welder, and a controller in communicative association with the laser welder and the camera. The controller receives visualization data from the camera and, based on the visualization data, forms and sends positioning instructions to the laser welder instructing the laser welder so as to position the loaded product at a proper weld start. ... Cardiovascular Systems Inc

02/02/17 / #20170027724

Devices and methods for treatment of the eustachian tube and sinus cavity

A polymeric stent can be implanted for treatment of the eustachian tube. The stent can be designed to have length-dependent radial strength to allow it to stay within the eustachian tube and to allow normal closing and opening of the eustachian tube. ... Cardiovascular Systems Inc

02/02/17 / #20170027458

System and apparatus comprising a multi-sensor catheter for right heart and pulmonary artery catheterization

A system and apparatus comprising a multi-sensor catheter for right heart and pulmonary artery catheterization is disclosed. The multi-sensor catheter comprises multi-lumen catheter tubing into which at least three optical pressure sensors, and their respective optical fibers, are inserted. ... Cardiovascular Systems Inc

01/26/17 / #20170021064

Bioerodable metallic stent with biodegradable polymer coating

A device and a method of manufacturing an implantable medical device, such as a stent, are described herein. The device includes a metallic region composed of a bioerodable metal and a polymer region composed of a biodegradable polymer contacting the metallic region. ... Cardiovascular Systems Inc

01/26/17 / #20170020702

Deformation of a polymer tube in the fabrication of a medical article

Methods of manufacturing a medical article that include radial deformation of a polymer tube are disclosed. A medical article, such as an implantable medical device or an inflatable member, may be fabricated from a deformed tube.. ... Cardiovascular Systems Inc

01/26/17 / #20170020697

40-o-(2-hydroxy)ethyl-rapamycin coated stent

A method and coating for reducing the release rate of an active agent from an implantable device, such as a stent, is disclosed.. . ... Cardiovascular Systems Inc

01/26/17 / #20170020519

Needle harvesting devices, systems, and methods

A needle removal device is provided for removing needles from suturing devices and/or systems. In an embodiment, the needle removal device may be intended for use with a suturing device having one or more needle lumens. ... Cardiovascular Systems Inc

01/26/17 / #20170020518

Needle removal devices, systems, and methods

A needle removal device is provided for removing needles from suturing systems. In an embodiment, the needle removal device may include a base member configured to be selectively positioned substantially adjacent a proximal portion of a suturing system. ... Cardiovascular Systems Inc

01/26/17 / #20170020511

Closure devices and methods

A closure device for closing an opening in tissue is provided. The closure device includes an elongate member through which needles may be deployed. ... Cardiovascular Systems Inc

01/26/17 / #20170020496

Tissue closure device

A tissue closure device including a hub and first and second flanges extending therefrom. The hub extends along a central longitudinal axis between a proximal surface and an opposing distal surface. ... Cardiovascular Systems Inc

01/26/17 / #20170020495

Suture-based closure with hemostatic tract plug

Devices for closing a passage through tissue communicating with a body lumen. The device may include an elongate body, a sheath disposed at the distal end of the device for disposition within a body lumen, a hollow needle disposed within a needle lumen of the body, the needle being selectively advancable through the needle lumen, a suture-anchor ejection mandrel disposed within the hollow needle that is also selectively advancable through the hollow needle, a suture-anchor and suture disposed within the hollow needle, a distal end of the suture attached to the suture anchor for ejection out the hollow needle by the mandrel. ... Cardiovascular Systems Inc

01/19/17 / #20170015044

Systems and methods for uniform expansion and heat setting of medical devices

Systems and methods for uniformly expanding and heat setting medical devices. One method can include expanding a medical device by advancing the medical device over a preheated expander, the medical device being uniformly expanded as the medical device is advanced over the preheated expander; and heat setting the expanded medical device while the medical device is positioned over the expander, the preheated expander being maintained at a predetermined heat-setting temperature. ... Cardiovascular Systems Inc

01/19/17 / #20170014250

Stent made from an ultra high molecular weight bioabsorbable polymer with high fatigue and fracture resistance

A stent made from an ultra high molecular weight bioabsorbable polymer is disclosed herein. The bioabsorbable polymer can have a mw greater than 1 million g/mole or greater than 2 million g/mole. ... Cardiovascular Systems Inc

01/12/17 / #20170009920

Fluid coupling devices

Fluid coupling devices for connecting to and disconnecting from a male barbed fitting to provide a continuous flow path or a flow termination point, include a frame and an elastomeric sealing material disposed about and at least partially encapsulating the frame. The frame can have a first end including a connecting element. ... Cardiovascular Systems Inc

01/12/17 / #20170007755

Integrated medical pump and oxygenator

Extracorporeal circuit devices that can be used for on-pump open-heart surgery to support surgical procedures such as coronary artery bypass grafting are described. In some embodiments, an oxygenator can include an integral pump. ... Cardiovascular Systems Inc

01/05/17 / #20170000986

Catheter having transitioning shaft segments

Method of forming a balloon catheter includes providing an elongate tubular shaft having an outer tubular member having proximal and distal portions, and an inner tubular member having a distal length extending distally from the distal portion of the outer tubular member. The elongate tubular shaft has an inflation lumen and a guidewire lumen defined therein. ... Cardiovascular Systems Inc

01/05/17 / #20170000930

Plasticizers for a biodegradable scaffolding and methods of forming same

Methods of making polymeric devices, such as stents, with one or more modifications such as addition of plasticizers, to improve processing, and the devices made by these methods.. . ... Cardiovascular Systems Inc








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