Patent application number | Description | Published |
20080269877 | Systems and methods for valve delivery - A system having an elongate delivery catheter, an elongate mesh body including an expandable region positioned around at least a portion of the elongate delivery catheter, a retractable member that extends through the elongate delivery catheter to connect to the elonga'te mesh body, where the retractable member moves to radially expand the expandable region of the elongate mesh body from an undeployed state to an intermediate state. The system also includes a valve positioned around at least a portion of the elongate delivery catheter position, and a filter positioned around at least a portion of the elongate delivery catheter to filter and control fluid flow. | 10-30-2008 |
20080306580 | BLOOD ACESS APPARATUS AND METHOD - A blood access for dialysis includes a radially distensible support structure having an open lattice structure defining a support wall having interstitial open areas and defining exterior and luminal wall surfaces; a first porous polymeric portion having a plurality of pores, the first porous polymeric portion being securably disposed over at least a portion of the exterior wall portion of the support structure; a second porous polymeric portion having a plurality of pores, the second porous polymeric portion being securably disposed over at least a portion of the luminal portion of the support structure; and a biodegradable and/or bioabsorbable material disposed within the pores of the first polymeric portion and/or pores of the second polymeric portion. | 12-11-2008 |
20080319526 | Percutaneous valve, system and method - An apparatus, system, and method for percutaneous valve replacement and/or augmentation. The apparatus includes a valve having a valve frame, a valve leaflet coupled to the valve frame, and a thread passing over the valve frame to hold the valve frame in a partially deployed state, where removal of the thread allows the valve frame to expand toward a deployed state. Use of the thread to hold the valve frame allows for staged deployment of the valve. | 12-25-2008 |
20090030512 | Circulatory valve, system and method - Apparatuses, systems, and methods for use in a vascular system. The apparatus include a circulatory valve having a valve frame in which frame members define frame cells. Frame cells include joints in opposing relationship, where the joints transition from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state as the joints are drawn towards each other. | 01-29-2009 |
20090041978 | Synthetic composite structures - A composite biomaterial having a continuous metal sheet with arcuate members that define a first fenestration pattern, and a polymer layer over at least one surface of the continuous metal sheet. The arcuate members elastically stretch to allow the continuous metal sheet to bend in more than one axis without buckling or wrinkling. | 02-12-2009 |
20090117334 | SYNTHETIC COMPOSITE STRUCTURES - A composite biomaterial having a continuous metal sheet with arcuate members that define a first fenestration pattern, and a polymer layer over at least one surface of the continuous metal sheet. The arcuate members elastically stretch to allow the continuous metal sheet to bend in more than one axis without buckling or wrinkling. | 05-07-2009 |
20100005658 | VENOUS VALVE, SYSTEM, AND METHOD WITH SINUS POCKET - A venous valve with a frame and valve leaflets that provide a sinus pocket. The venous valve provides for unidirectional flow of a liquid through the valve. | 01-14-2010 |
20100217309 | PLUG FOR ARTERIOTOMY CLOSURE AND METHOD OF USE - The disclosure provides a modified arteriotomy closure plug, said modification selected from the group consisting of a slit, a notch, a groove, and combinations thereof and a method of manufacturing the arteriotomy closure plug. | 08-26-2010 |
20100217310 | MODIFIED PLUG FOR ARTERIOTOMY CLOSURE - The disclosure provides a modified arteriotomy closure plug, the modification consisting of subjecting a bioabsorbable foam closure plug to radial compression and/or axial bending until at least some struts of the foam have been torn or elongated within at least one axially disposed region. | 08-26-2010 |
20100217311 | TISSUE PUNCTURE CLOSURE DEVICE - The present disclosure relates generally to methods and devices for closing and/or sealing an opening in a vessel wall and/or an adjacent tissue tract. In one illustrative embodiment, a device is provided for delivering and deploying an anchor, plug, filament, and/or locking element adjacent to the opening in the vessel wall and/or tissue tract. | 08-26-2010 |
20100217312 | COMPOSITE PLUG FOR ARTERIOTOMY CLOSURE AND METHOD OF USE - The disclosure provides a composite arteriotomy closure plug, a method of manufacturing the composite arteriotomy closure plug, and a method for the use thereof. | 08-26-2010 |
20110060405 | VENOUS VALVE APPARATUS, SYSTEM, AND METHOD - A venous valve apparatus, system and method for valve replacement. The valve includes a valve frame, a valve leaflet joined to the valve frame, and a support frame. The valve leaflet includes surfaces defining a reversibly sealable opening for unidirectional flow of a liquid. The support frame meets the valve frame on an axis, where the valve frame and the support frame extend from the axis in an opposing direction. The system further includes a catheter, where the valve can be reversibly joined to the catheter at a location between a proximal end and a distal end of the catheter. The system can be used to deploy the valve from the catheter at a predetermined location. | 03-10-2011 |
20110066181 | TISSUE PUNCTURE CLOSURE DEVICE - The present disclosure relates generally to methods and devices for closing and/or sealing an opening in a vessel wall and/or an adjacent tissue tract. In one illustrative embodiment, a device is provided for delivering and deploying an anchor, plug, filament, and locking element adjacent to the opening in the vessel wall and/or tissue tract. | 03-17-2011 |
20110071625 | VALVE APPARATUS, SYSTEM AND METHOD - A venous valve with a frame and a cover on the frame for unidirectional flow of a liquid through the valve. | 03-24-2011 |
20110196388 | AUTOMATIC VASCULAR CLOSURE DEPLOYMENT DEVICES AND METHODS - Methods of installing a vascular closure device, the vascular closure device adapted for sealing an opening in biological tissue and comprising an anchor, a compressible plug, a cinch and a suture, the method comprising the steps of providing an insertion sheath, inserting the insertion sheath into the opening in the biological tissue, providing a device sheath having the vascular closure device preloaded therein with a proximal portion of the suture attached to the device sheath, subsequent to the step of inserting the insertion sheath, inserting the device sheath into the insertion sheath, and retracting the insertion sheath and device sheath simultaneously, wherein during the retraction, the insertion sheath and the device sheath are fixed to one another and devices adapted to the methods. | 08-11-2011 |
20110230949 | Venous Valve, System, and Method With Sinus Pocket - A valve with a frame and valve leaflets that provide a sinus pocket. The valve provides for unidirectional flow of a liquid through the valve. | 09-22-2011 |
20120035653 | MODIFIED PLUG FOR ARTERIOTOMY CLOSURE - The disclosure provides a modified arteriotomy closure plug, the modification consisting of subjecting a bioabsorbable foam closure plug to radial compression and/or axial bending until at least some struts of the foam have been torn or elongated within at least one axially disposed region. | 02-09-2012 |
20120101519 | POROUS VASCULAR CLOSURE PLUG WITH STARCH POWDER - The disclosure provides a composite plug for vascular closure including a hemostatic material, and a method of manufacturing the composite plug including a hemostatic material. The composite plug may comprise one or more materials having varying porosity, density, or composition, and may include a powdered hemostatic material. | 04-26-2012 |
20120101525 | FIBROUS CONTAINMENT FOR HEMOSTASIS PLUG - A device for sealing an opening in a vessel includes an anchor attached to a suture. The anchor is inserted through the opening into the vessel, and the suture pulls the anchor against the vessel wall, forming a seal. A plug is inserted over the suture and is axially compressed toward the anchor, locking the elements in place. The suture is braided or woven outside of the anchor so that it may be stored and handled easily, and is unbraided, unwoven and/or untangled at its distal end inside the anchor, so that individual filaments within the suture may extend laterally within the anchor. The laterally extending filaments subtend a larger footprint within the anchor than a comparable footprint if the suture were to remain braided or tied into a knot within the anchor, which may more effectively distribute the retaining forces within the anchor. | 04-26-2012 |
20120143243 | CLOSURE DEVICES - One or more embodiments of the present disclosure include a closure device, a method of making the closure device and a system that includes the closure device for closing an opening in a body lumen. The closure device includes an intravascular anchor for positioning in the body lumen, a suture coupled to the intravascular anchor, the suture to pass through the opening in the body lumen, a fastener joined to the suture, where the fastener moves longitudinally along the suture, and a plug having a first plug segment and a second plug segment. In one or more embodiments, the second plug segment has a hardness greater than the first plug segment, where the suture passes through the plug with the first plug segment between the intravascular anchor and the second plug segment and the second plug segment between the first plug segment and the fastener. | 06-07-2012 |
20120143244 | CLOSURE DEVICE - The present disclosure provides closure devices for closing an opening in a body vessel, systems for closing an opening in a body vessel, and methods of making a closure device for closing an opening in a body vessel. The closure device may include a plug, an intravascular anchor, a suture that couples the plug to the intravascular anchor and a cinching element that provides a compressive axial force to the plug, wherein the plug and cinching element are positioned over a length of the suture and the suture is secured to the intravascular anchor with a fastening portion embedded in the intravascular anchor. | 06-07-2012 |
20120143249 | CLOSURE DEVICE - The present disclosure provides closure devices for closing an opening in a body lumen, systems for closing an opening in a body lumen, and methods of making a closure device for closing an opening in a body lumen. The closure device may include a plug, an anchor, a cinch button, and a suture coupled to the anchor, the suture having a plurality of elongate filaments with a predefined cutting segment for cutting the suture, where the plurality of elongate filaments of the predefined cutting segment are bonded together to prevent their relative motion. | 06-07-2012 |
20120158044 | TISSUE PUNCTURE CLOSURE DEVICE - The present disclosure relates generally to methods and devices for closing and/or sealing an opening in a vessel wall and/or an adjacent tissue tract. In one illustrative embodiment, a device is provided for delivering and deploying an anchor, plug, suture, and/or locking element adjacent to the opening in the vessel wall and/or tissue tract. | 06-21-2012 |
20120209378 | Venous Valve With Sinus - A venous valve-with a structural member and valve leaflets that provide a sinus. | 08-16-2012 |
20130035719 | COMPOSITE PLUG FOR ARTERIOTOMY CLOSURE AND METHOD OF USE - A composite plug for arteriotomy closure, a method of manufacturing a composite plug for arteriotomy closure, and a method for the use of a composite plug for arteriotomy closure may include an elongate core member, and one or more layers disposed at least in part about the core member, where the composite plug has been partially compacted in a radial direction. The composite plug may include an outer member at least partially surrounding the core member. | 02-07-2013 |
20130096553 | DEFLECTABLE MEDICAL DEVICES - Medical devices and methods for making and using medical devices are disclosed. An example medical device may be a deflectable medical device that includes a catheter shaft having a distal end. An ablation electrode may be disposed at the distal end. A deflection mechanism may be coupled to the catheter shaft. The deflection mechanism may include a deflection body and a pull wire coupled to the deflection body. The deflection body may have a longitudinally-extending furrow formed therein. A flex member may be disposed adjacent to the deflection mechanism. | 04-18-2013 |
20130131667 | DEFLECTABLE RENAL NERVE ABLATION CATHETER - Medical devices including catheters for renal nerve ablation and/or modulation as well as methods for making and using such devices are disclosed. An example catheter may, have a proximal region and a distal region. The catheter may be configured to shift between a first straightened configuration and a second deflected configuration. The catheter may also include an ablation member coupled to the distal region and a handle coupled to the proximal region. The handle may include an actuation member for shifting the catheter between the first configuration and the second configuration. A lock may be coupled to the handle that maintains the catheter in either the first configuration or the second configuration. | 05-23-2013 |
20130172881 | OFF-WALL ELECTRODE DEVICE AND METHODS FOR NERVE MODULATION - Medical devices and methods for making and using the same are disclosed. An example medical device may include an ablative catheter for nerve modulation through a wall of a blood vessel. The catheter may include a catheter sheath having a proximal end, a distal end, and a lumen extending from the proximal to the distal end. An elongate member may extend along a central elongate axis within the lumen of the catheter sheath. The elongate member having a proximal end and a distal end. An expandable ablative member may be coupled to the distal end of the elongate member having an insulative section connected to a bare electrode section. The ablative member may be configured to switch between a collapsed position and an expanded position. | 07-04-2013 |
20130231659 | OFF-WALL AND CONTACT ELECTRODE DEVICES AND METHODS FOR NERVE MODULATION - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a system for nerve modulation. The system may include an elongate shaft and a nerve modulation assembly disposed at the distal end of the shaft. The nerve modulation assembly may have a collapsed configuration and an expanded configuration. The nerve modulation assembly may include an inner basket and an outer basket. The inner basket may include a plurality of electrode struts. Each electrode strut may include an electrode. The outer basket may include a plurality of spacer struts. | 09-05-2013 |
20130238018 | AUTOMATIC VASCULAR CLOSURE DEPLOYMENT DEVICES AND METHODS - Methods of installing a vascular closure device, the vascular closure device adapted for sealing an opening in biological tissue and comprising an anchor, a compressible plug, a cinch and a suture, the method comprising the steps of providing an insertion sheath, inserting the insertion sheath into the opening in the biological tissue, providing a device sheath having the vascular closure device preloaded therein with a proximal portion of the suture attached to the device sheath, subsequent to the step of inserting the insertion sheath, inserting the device sheath into the insertion sheath, and retracting the insertion sheath and device sheath simultaneously, wherein during the retraction, the insertion sheath and the device sheath are fixed to one another and devices adapted to the methods. | 09-12-2013 |
20130274865 | Venous Valve, System, and Method With Sinus Pocket - A valve with a frame and valve leaflets that provide a sinus pocket. The valve provides for unidirectional flow of a liquid through the valve. | 10-17-2013 |
20130325060 | TISSUE PUNCTURE CLOSURE DEVICE - The present disclosure relates generally to methods and devices for closing and/or sealing an opening in a vessel wall and/or an adjacent tissue tract. In one illustrative embodiment, a device is provided for delivering and deploying an anchor, plug, filament, and locking element adjacent to the opening in the vessel wall and/or tissue tract. | 12-05-2013 |
20140025069 | RENAL NERVE MODULATION CATHETER DESIGN - Systems for nerve and tissue modulation are disclosed. An example system may an elongate shaft including an expandable frame coupled to the shaft adjacent to a distal end of the shaft. The frame may include a plurality of electrically conductive regions for emitting an electrical current comprising at least a first electrically conductive region and a second electrically conductive region. The system may further include a ground pad and a control unit electrically coupled to the plurality of electrically conductive regions and the ground pad. The control and power unit is configured to operate in unipolar mode and bipolar mode during the same procedure. | 01-23-2014 |
20140088585 | CATHETER HAVING RIB AND SPINE STRUCTURE SUPPORTING MULTIPLE ELECTRODES FOR RENAL NERVE ABLATION - A catheter for ablating target tissue from a location within a body vessel includes an ablation region that is configured to transition from a first substantially straight configuration to a second configuration having a two-dimensional or three-dimensional shape. The ablation region may include a plurality of ablation elements that may be distributed along a length of the ablation region such that when the ablation region is in the second configuration, the ablation elements may be placed in closer proximity to the target tissue. Additionally, when the ablation region is in the second configuration, the ablation elements may achieve circumferential coverage of the body lumen or blood vessel, and as such, may be capable of ablating the target tissue at multiple locations along the length and around a circumference of the body lumen or vessel in a single step. | 03-27-2014 |
20140128969 | Percutaneous valve, system and method - An apparatus, system, and method for percutaneous valve replacement and/or augmentation. The apparatus includes a valve having a valve frame, a valve leaflet coupled to the valve frame, and a thread passing over the valve frame to hold the valve frame in a partially deployed state, where removal of the thread allows the valve frame to expand toward a deployed state. Use of the thread to hold the valve frame allows for staged deployment of the valve. | 05-08-2014 |
20140200578 | RENAL NERVE ABLATION CATHETER - Medical devices for ablating nerves perivascularly and methods for making and using the same are disclosed. An example medical device may include an expandable frame slidably disposed within a catheter shaft. The expandable frame may be configured to shift between a collapsed configuration and an expanded configuration. One or more electrodes may be disposed on a surface of the expandable frame. The one or more electrodes may be disposed radially inward relative to the greatest radial extent of the expandable frame when the expandable frame is in the expanded configuration. | 07-17-2014 |
20140207229 | Venous Valve Apparatus, System, and Method - A venous valve with a tubular frame that includes an outer surface and an inner surface opposite the outer surface and defining a lumen, and a cover over at least the outer surface of the tubular frame, where the cover includes surfaces defining a reversibly sealable opening for unidirectional flow of a liquid through the lumen. A system with the venous valve and a catheter including a proximal end and a distal end, the venous valve located between the proximal end and distal end of the catheter. A method including forming the venous valve and reversibly joining the venous valve and a catheter. A method including positioning at least part of the catheter including the venous valve at a predetermined location and deploying the venous valve from the catheter at the predetermined location. | 07-24-2014 |
20140276756 | WALL-SPARING RENAL NERVE ABLATION CATHETER WITH SPACED ELECTRODE STRUCTURES - Systems and methods for performing tissue modulation are disclosed. A nerve modulation assembly may include a guide sheath having a proximal end, a distal end, and a lumen extending therebetween. An actuation member, also having a proximal end and a distal end, extends along a central elongate axis disposed within the lumen. Further, the ablation member disposed at the distal end of the actuation member is configured to be actuated from the proximal end of the guide sheath. In particular, the ablation member includes a radiofrequency based electrode member, and an insulation member disposed circumferentially around the radiofrequency based electrode member. | 09-18-2014 |
20140379068 | Circulatory Valve, System and Method - Apparatuses, systems, and methods for use in a vascular system. The apparatus include a circulatory valve having a valve frame in which frame members define frame cells. Frame cells include joints in opposing relationship, where the joints transition from a first stable equilibrium state through an unstable equilibrium state to a second stable equilibrium state as the joints are drawn towards each other. | 12-25-2014 |