St. Jude Medical Puerto Rico LLC Patent applications |
Patent application number | Title | Published |
20160113636 | VASCULAR CLOSURE DEVICE HAVING A FLOWABLE SEALING MATERIAL - Various embodiments of a device are shown and disclosed for closing a vascular access puncture site following percutaneous diagnostic or therapeutic interventional procedures. The vascular closure device is configured to safely and accurately deploy a sealing material that undergoes a phase change when deployed inside the tissue tract. The sealing material may be a solid at room temperature and a liquid or gel at body temperature. Also, the sealing material may change from a liquid or gel to a cubic phase when it comes into contact with bodily fluids. | 04-28-2016 |
20160106403 | BIORESORBABLE DETACHABLE TIP DESIGN FOR ADHESIVE-BASED EXTRAVASCULAR CLOSURE DEVICE - A vascular closure device includes a vessel locating device, a sealant delivery device, a detachable sealing tip, and a suture. The vessel locating device includes an expandable portion configured to extend through and temporarily seal a vessel puncture from within a vessel. The sealant delivery device is configured to deliver a first volume of flowable sealant to the vessel puncture along an exterior of the vessel. The detachable sealing tip is carried at a distal end of the vessel locating device. The suture is connected to and extends proximally from the detachable sealing tip. The detachable sealing tip is configured for release within the first volume of flowable sealant upon withdrawal of the vessel locating device through the first volume of flowable sealant. The suture is anchored at a location proximal of the detachable sealing tip. | 04-21-2016 |
20150250462 | VASCULAR SEALING DEVICE WITH HIGH SURFACE AREA SEALING PLUG - An internal tissue puncture closure method and apparatus. The method and apparatus provide a folded sealing plug that provides more surface area than conventional plugs to more fully cover and seal an external situs of an internal tissue puncture. The folded sealing plug may have a weave pattern that tends to cause the sealing plug to corkscrew into the internal tissue puncture as it is compressed toward an anchor placed inside of the tissue puncture. | 09-10-2015 |
20140277111 | OVAL VASCULAR CLOSURE DEVICE AND METHODS - A tissue puncture closure device having an anchor, a suture, a sealing plug, a compaction assembly, a carrier tube, and an insertion sheath. The suture is connected to the anchor at a distal end of the suture. The sealing plug is slidingly mounted to the suture and positioned proximal of the anchor. The compaction assembly is operable to compact the sealing plug toward the anchor. The carrier tube has the sealing plug positioned therein during delivery to a vessel puncture. The insertion sheath is insertable through the vessel puncture and configured to receive the carrier tube and anchor. At least the carrier tube has a cross-sectional shape with a greater width dimension than a height dimension. | 09-18-2014 |
20140276974 | LARGE BORE CLOSURE SECONDARY HEMOSTASIS BIOADHESIVE DELIVERY SYSTEMS AND METHODS - A vascular closure assembly includes a suture placement device and a sealant delivery device. The suture placement device is operable to position at least one suture across the puncture to form a primary seal of the puncture. The sealant delivery device includes a sealant delivery tube having a first lumen sized to receive the at least one suture, and a second lumen configured to deliver a volume of sealant to the puncture after forming the primary seal to create a secondary seal of the puncture. The sealant delivery device is slidable along the at least one suture to the puncture. | 09-18-2014 |
20140276973 | NON-INVASIVE SUTURE CUTTER AND RELATED METHODS FOR CUTTING A SUTURE BELOW THE SKIN - A suture cutting device including a housing, a cutting member, a suture recess, and an actuator. The cutting member is positioned in the housing. The suture recess is formed in the housing and configured to releasably connect the housing to the suture. The actuator is accessible outside of the housing and operable to move the cutting member laterally relative to the suture within the housing from a first position out of contact with the suture to a second position cutting the suture. | 09-18-2014 |
20140276081 | ULTRASOUND ASSISTED NEEDLE PUNCTURE MECHANISM - A tissue puncture assembly includes an ultrasound probe, a tissue puncture device, and an adjustment device. The ultrasound probe includes a probe end arranged to contact a tissue surface, the ultrasound probe being operable to determine a depth of a body cavity positioned below the tissue surface. The tissue puncture device is configured to penetrate the tissue surface to gain access to the body cavity. The adjustment device is mounted to the ultrasound probe and operable to adjust an orientation of the tissue puncture device relative to the ultrasound probe. | 09-18-2014 |
20140257375 | ACTIVE SECUREMENT DETACHABLE SEALING TIP FOR EXTRA-VASCULAR CLOSURE DEVICE AND METHODS - A vascular closure device includes a carrier tube, a sealing tip, and a sealing tip connection member. The carrier tube includes a distal end. The sealing tip is releasably connected to the distal end of the carrier tube. The sealing tip connection member extends through the sealing tip and includes a proximal portion extending proximally from the sealing tip. Applying a tension force at the proximal portion of the sealing tip connection member removes the sealing tip connection member from the sealing tip, and removing the sealing tip connection member from the sealing tip radially expands a portion of the sealing tip. | 09-11-2014 |
20140257372 | LINKAGE DRIVEN COMPACTION DEVICE - Methods and apparatus are disclosed for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug. The methods and apparatus provide for a compaction mechanism that is expandable and tamps the sealing plug into place. | 09-11-2014 |
20140257371 | DISTAL RAPID EXCHANGE FOR TRANSLUMINAL ANGIOPLASTY DEVICE AND METHODS - A vascular closure device includes a catheter, a balloon, an introducer, and a guidewire lumen. The catheter includes an inflation lumen. The balloon is positioned at a distal end portion of the catheter. The introducer is positioned distal of the balloon. The guidewire lumen extends along at least a portion of the introducer and terminates at a rapid exchange port positioned distal of the balloon. The guidewire lumen is receptive of a guidewire to guide the catheter through a vessel puncture in a vessel to position the balloon within the vessel. | 09-11-2014 |
20140257359 | TEMPORARY SEALING DEVICE WITH BLOOD FLASHBACK FOR VESSEL LOCATION - A vessel location device includes a catheter, an expandable member, and an inflation member. The catheter includes a distal end portion, a proximal end portion and a blood flashback lumen, wherein the blood flashback lumen has a distal opening positioned at the distal end portion and a proximal opening at the proximal end portion. The expandable member is positioned at the distal end portion at a location distal of the distal opening of the blood flashback lumen. The inflation member is configured to deliver a flow of inflation fluid to the expandable member to selectively expand the expandable member within a vessel to temporarily seal a vessel puncture. | 09-11-2014 |
20140257344 | THREE SUTURE LARGE BORE CLOSURE DEVICE AND METHODS - A vascular closure device includes an anchor, a suture carrying portion, and a plurality of needles. The anchor is positionable through a vessel puncture in a vessel wall and operable between expanded and contracted positions. The suture carrying portion is positioned distal of the anchor and configured to carry at least one suture. The plurality of needles are operable between an advanced position extending through the vessel wall adjacent to the vessel puncture to connect to the at least one suture, and a retracted position in which the plurality of needles position the at least one suture through the vessel wall. At least one of the plurality of needles extends through an aperture in the anchor when in the advanced position. | 09-11-2014 |
20140236225 | BIOADHESIVE DELIVERY SYSTEMS AND METHODS FOR VASCULAR CLOSURE - A vascular closure system includes a balloon location device, a bioadhesive delivery device, and a sealing tip. The balloon location device includes a balloon for temporarily sealing a vessel puncture internally and at least one lumen for delivering inflation fluid to the balloon. The bioadhesive delivery device includes at least one lumen for delivery of the balloon location device to the vessel puncture. One of the balloon location device and the bioadhesive delivery device includes a first lumen for delivery of a first volume of bioadhesive to the vessel puncture. The sealing tip is releasable within a channel formed in the first volume of bioadhesive upon withdrawal of the balloon. One of the balloon location device and the bioadhesive delivery device is configured for delivery of a second volume of bioadhesive to the vessel puncture after the sealing tip is released in the channel. | 08-21-2014 |
20140236224 | DETACHABLE SEALING PLUG WITH SAFETY RELEASE MECHANISM AND METHODS - A vascular closure system includes a carrier tube, an expandable anchor, a bioadhesive material, a sealing tip, and a filament. The expandable anchor is mounted to the carrier tube and configured to extend through a vessel puncture to temporarily seal the vessel puncture from within a vessel. The bioadhesive material is disposed outside of the vessel and configured to seal the vessel puncture. The sealing tip is mounted to the carrier tube distal of the expandable anchor. The filament is connected to and extends proximally from the sealing tip. Applying tension in the filament maintains connection of the sealing tip to the carrier tube, and releasing the tension in the filament permits release of the sealing tip within a channel formed in the bioadhesive material upon removal of the anchor through the bioadhesive material to seal the channel. | 08-21-2014 |
20140236223 | BIORESORBABLE DETACHABLE TIP DESIGN FOR ADHESIVE-BASED EXTRAVASCULAR CLOSURE DEVICE - A vascular closure device includes a vessel locating device, a sealant delivery device, a detachable sealing tip, and a suture. The vessel locating device includes an expandable portion configured to extend through and temporarily seal a vessel puncture from within a vessel. The sealant delivery device is configured to deliver a first volume of flowable sealant to the vessel puncture along an exterior of the vessel. The detachable sealing tip is carried at a distal end of the vessel locating device. The suture is connected to and extends proximally from the detachable sealing tip. The detachable sealing tip is configured for release within the first volume of flowable sealant upon withdrawal of the vessel locating device through the first volume of flowable sealant. The suture is anchored at a location proximal of the detachable sealing tip. | 08-21-2014 |
20140236222 | VASCULAR CLOSURE DEVICES COMPRISING FORCE MANAGEMENT FEATURES AND RELATED METHODS - A vascular closure device may comprise an elongate shaft, a vascular sealing structure, and a carriage. The vascular sealing structure may be located on the elongate shaft and configured to apply a pressure to an interior wall of a lumen. The carriage may be slidably coupled to the elongate shaft, and at least one elastically deformable structure may be configured to transfer at least a portion of a force applied to the carriage to the elongate shaft. A method of vascular closure may comprise positioning a vascular sealing structure located on the elongate shaft within a lumen, transferring at least a portion of a force applied to a carriage to the elongate shaft via at least one elastically deformable structure, and applying a pressure to an interior wall of the lumen with the vascular sealing structure to close a vascular opening. | 08-21-2014 |
20140222066 | EXTRA-VASCULAR CLOSURE DEVICE WITH RELEASABLE SEALING PLUG - A vascular closure device includes a handle, a carrier tube, a sealing tip, a sealing tip connection member, and an actuator. The carrier tube extends from the handle. The sealing tip is positioned at a distal end of the carrier tube. The sealing tip connection member extends from the sealing tip to the handle. The actuator is mounted to the handle and operable to move the sealing tip connection member to release the sealing tip from the carrier tube. | 08-07-2014 |
20140222065 | HEMOSTASIS DEVICES, COMPONENTS FOR HEMOSTASIS DEVICES, AND RELATED METHODS - A hemostasis device may comprise a collagen plug and a bioresorbable carrier. The collagen plug may comprise a body having a first end surface and an aperture extending through the body and the first end surface of the collagen plug. The bioresorbable carrier may comprise a tubular portion extending through the aperture of the body of the collagen plug, and a base portion extending radially from an end of the tubular portion, the base portion positioned adjacent to the first end surface of the collagen plug. | 08-07-2014 |
20140222064 | DUAL LUMEN CARRIER TUBE WITH RETRACTABLE SLEEVE AND METHODS - A vascular closure device includes a carrier tube and a sleeve. The carrier tube includes at least first and second lumens, the first lumen being configured to hold a sealing member, the second lumen being configured to provide blood flow from a distal opening thereof to a proximal opening thereof. The sleeve is positioned on the carrier tube and movable from a first position wherein blood flow through the second lumen is unobstructed, and a second position covering the distal and proximal openings to block blood flow through the second lumen. | 08-07-2014 |
20140222063 | VASCULAR CLOSURE DEVICE WITH PUSH/PULL COMPACTION SYSTEM AND METHODS - A tissue puncture closure device includes an anchor, a suture connected to the anchor at a distal end of the suture, a sealing plug positioned proximal of the anchor, and a compaction assembly. The compaction assembly includes a compaction tube having a distal end and a proximal end, and a pivot arm having first and second ends and being rotatable about a pivot axis. The proximal end of the compaction tube is connected to the first end of the pivot arm and a proximal end of the suture is connected to the second end of the pivot arm. The compaction assembly also includes a release member operable to release the pivot arm to rotate between a first position wherein the compaction tube is withdrawn, and a second position wherein tension is applied in the suture and the compaction tube is advanced to compact the sealing plug. | 08-07-2014 |
20140222056 | OCCLUSION DEVICES INCLUDING DUAL BALLOONS AND RELATED METHODS - An occlusion device may comprise a first tube having a first balloon positioned at a distal end, and a second tube having a second balloon positioned at a distal end. The first balloon may be sized and configured to occlude a vascular lumen upstream of a vascular puncture, and the second balloon may be sized and configured to simultaneously occlude the vascular lumen downstream of the vascular puncture. A method of occluding a vascular puncture may comprise positioning a distal end of an occlusion device comprising a first balloon and a second balloon through the vascular puncture and into a vascular lumen. The first balloon may be positioned downstream of the vascular puncture, and the second balloon may be positioning upstream of the vascular puncture. | 08-07-2014 |
20140194925 | METHOD AND SYSTEM FOR CLOSING A VASCULAR HOLE - Various embodiments of methods for closing vascular holes and associated vascular closure devices are described herein. The methods, generally speaking, use hemostatic devices intended to stop bleeding by closing vascular access puncture sites following percutaneous diagnostic or therapeutic procedures. The methods may include positioning a sealing plug in the vascular hole. In one embodiment, the sealing plug may extend through the vascular hole into the vessel. The sealing plug may expand and thereby create a lip inside the vessel that holds the sealing plug in place. | 07-10-2014 |
20140194924 | VASCULAR CLOSURE DEVICE WITH IMPROVED SIDE LOADING - A tissue puncture closure device includes a vessel locator and a sealing plug delivery member. The vessel locator includes an expandable member. The sealing plug delivery member includes a carrier tube, a sealing plug, and a locking member. The carrier tube includes a distal end and a side opening, the side opening extending proximally from the distal end along at least a portion of a length of the carrier tube to provide lateral insertion of the vessel locator into an interior of the carrier tube. The sealing plug includes a lumen and a slot extending from a distal end to a proximal end of the sealing plug, wherein the slot provides lateral access of the vessel locator into the lumen. The locking member is operable to retain the vessel locator within the sealing plug delivery member. | 07-10-2014 |
20140194918 | RAPID EXCHANGE TEMPORARY BLOOD FLOW CESSATION DEVICE FOR LARGE BORE CLOSURE - A blood flow cessation device includes a catheter, an expandable member, and a rapid exchange port. The catheter includes a distal end portion and a proximal end portion. The expandable member is positioned at the distal end portion and is selectively expandable to stop blood flow through a vessel. The rapid exchange port is formed in the catheter at a location proximal of the expandable member. The rapid exchange port is configured receive a guidewire that passes through the distal end portion of the catheter to be positioned within the vessel. | 07-10-2014 |
20140188160 | CIRCUMFERENTIALLY LOCATED SUTURE RELEASE MECHANISM FOR VASCULAR CLOSURE DEVICE - A tissue puncture closure device includes an anchor, a sealing plug, a filament, a compaction member assembly, a spool, a stop feature, a driving plate, and a release member. The filament attaches the sealing plug to the anchor. The compaction member assembly applies an axially directed compressive force to compact the sealing plug toward the anchor. The spool has a portion of the filament wound thereon. The stop feature is coupled to the spool. The driving plate is connected to the spool and arranged to apply a force to a proximal end of the compaction member assembly upon rotation of the driving plate to advance the compaction member assembly. The release member is operable from a first position contacting the stop feature to limit rotation of the spool, and a second position out of contact with the stop feature to permit rotation of the spool. | 07-03-2014 |
20140135831 | BIOADHESIVE MIXING AND PREPARATION SYSTEMS AND METHODS USING TWO SYRINGES - A bioadhesive mixing assembly includes first and second syringes and an adapter. The first syringe includes first and second chambers holding a first sealant component and an activator, respectively. The second syringe includes third and fourth chambers holding a second sealant component and one of an activator or a third sealant component, respectively. The adapter is mounted to the first syringe and includes first and second channels in flow communication with the first and second chambers, a first seal member providing sealed access to the first and second channels, first and second needles connected in flow communication with the third and fourth chambers, and a second seal member enclosing the first and second needles. Connecting the adapter to the second syringe punctures the first and second seal members with the first and second syringes to create flow communication between the first and third chambers and the second and fourth chambers. | 05-15-2014 |
20140135830 | DUAL DELIVERY SYSTEMS, DEVICES, AND RELATED METHODS FOR BIOADHESIVES - A manifold for the delivery of bioadhesive sealant may comprise an inlet, a first outlet, a second outlet, and at least one valve positioned and configured to facilitate selective fluid communication between the inlet and the first outlet and the inlet and the second outlet. A syringe for delivering a bioadhesive sealant may comprise at least one barrel, at least one plunger, and at least one feature positioned and configured to prevent movement of the at least one plunger relative to the at least one barrel after a first predetermined quantity of bioadhesive sealant has been delivered. A bioadhesive sealant delivery system may comprise a manifold, a syringe, and a catheter, wherein a first lumen of the catheter is coupled to a first outlet of the manifold and a second lumen of the catheter coupled to a second outlet of the manifold. | 05-15-2014 |
20140135826 | PROCEDURAL SHEATH ADAPTER FOR VASCULAR CLOSURE DEVICE - A tissue puncture closure device includes an anchor, a sealing plug, a compaction member, a suture, a handle portion, a sheath attachment member, and a sheath adapter. The compaction member is configured to compress the sealing plug towards the anchor. The suture is coupled to the sealing plug and anchored. The handle portion is arranged proximal of the sealing plug and anchor. The sheath attachment member extends from the handle portion. The sheath adapter has a first end portion configured to mount to the sheath attachment member, and a second end portion configured to mount to a procedural sheath that is inserted into a tissue puncture. | 05-15-2014 |
20140135825 | BLOCKING SLEEVE FOR BIOADHESIVE DELIVERY DEVICE AND METHODS - A closure assembly includes an insertion sheath insertable into a tissue puncture and a tissue puncture closure device insertable through the insertion sheath and into the tissue puncture. The tissue puncture closure device includes a dual lumen delivery tube, a first sealing sleeve, and a second sealing sleeve. The dual lumen delivery tube has a first lumen configured to deliver a volume of sealing material to the tissue puncture, and a second lumen sized for insertion of a balloon location device. The first sealing sleeve is positioned between an outer surface of the dual lumen delivery tube and an inner surface of the insertion sheath to limit backflow of the sealing material into the insertion sheath. The second sealing sleeve is positioned between an outer surface of the balloon location device and an inner surface of the second lumen to limit backflow of the sealing material into the second lumen. | 05-15-2014 |
20140135824 | DELIVERY TIP FOR EXTRAVASCULAR BIOADHESIVE CATHETER AND METHODS - A vascular closure device includes an inflation balloon and a delivery tube. The delivery tube includes an inflation lumen configured to deliver inflation fluid to the inflation balloon, a sealant lumen configured to deliver a sealant to a vessel puncture, and a delivery tip in flow communication with the sealant lumen and having a plurality of outlet openings. | 05-15-2014 |
20140135823 | AUTOMATIC SEALANT DELIVERY CATHETER RETRACTION FOR VASCULAR CLOSURE DEVICE AND METHODS - A vessel puncture closure device includes a balloon catheter and a sealant delivery device. The balloon catheter has an inflatable balloon positioned at a distal end thereof. The sealant delivery catheter has a sealant lumen configured to delivery a volume of sealant to a vessel puncture. The sealant delivery catheter is configured to move axially relative to the balloon between a first position in which the sealant delivery catheter delivers a first volume of sealant to the vessel puncture, and a second position spaced proximal of the first position to deliver a second volume of sealant to the vessel puncture. | 05-15-2014 |
20140135822 | SHEATH AND BALLOON TENSIONER AND LOCATOR SYSTEMS AND METHODS - A tissue closure system includes a sheath and a tissue closure device. The sheath includes a tensioner assembly. The tissue closure device is insertable through and connected to the sheath, and includes an expandable member positionable distal of a distal end of the sheath. Operating the tensioner assembly applies a biasing force to the tissue closure device that withdraws the expandable member. | 05-15-2014 |
20140128910 | SNAP-ON VASCULAR CLOSURE DEVICE AND METHODS - A tissue puncture closure assembly including a wire assembly and a sealing pad delivery device, The wire assembly includes a proximal end portion, a distal end portion, and a temporary expandable anchor positioned at the distal end portion. The sealing pad delivery device includes a carrier tube, a sealing pad positioned in the carrier tube, and a lateral wire slot. The lateral wire slot is defined in an outer surface of the sealing pad delivery device and extends along at least a portion of a length of the sealing pad delivery device. The lateral wire slot is configured to permit mounting of the sealing pad delivery device to the wire assembly in a lateral direction. | 05-08-2014 |
20140114349 | DISTAL BALLOON BOND FOR TEMPORARY SEALING LOCATION DEVICE AND METHODS - A vascular closure system ( | 04-24-2014 |
20140094846 | VASCULAR CLOSURE DEVICE WITH A PLUG HAVING A VARIABLE EXPANSION RATE AND METHOD FOR USING THE SAME - A vascular closure device, having an insertion sheath and a vascular closure implant positioned at least partially in the insertion sheath. The vascular closure implant may have an anchor element, the anchor element including an expandable material, a first puncture contact portion, a bend portion connected to the first puncture contact portion, the bend portion including a bend, and a second puncture contact portion connected to the bend portion. The vascular closure implant may also include a plug element coupled to the bend portion of the anchor element. The anchor element may be formed of an expandable material having the same or a different expansion rate than a material forming the plug element. The vascular closure device may additionally include a locator tube having a vessel locator positioned at least partially in the locator tube. The vessel locator may also have an elongated member that includes a superelastic material. | 04-03-2014 |
20140088641 | FILLED BALLOON ARTERIOTOMY LOCATOR FOR VASCULAR CLOSURE DEVICES AND METHODS - A tissue puncture locator device includes an anchor assembly and a sealing member. The anchor assembly includes an anchor portion, a tube portion, and a filling member. The anchor portion is positioned at a distal end of the tube portion and configured for placement through a vascular incision into a vessel. The anchor member has an unexpanded configuration that permits passage through the vascular incision and an expanded configuration that limits passage through the vascular incision. The filling member is retained in the tube portion and adapted for insertion from the tube portion into the anchor member to provide the expanded configuration, and adapted for retraction from the anchor member into the tube portion to provide the unexpanded configuration. The sealing member is configured for placement adjacent the vascular incision outside the vessel. | 03-27-2014 |
20140058442 | SEALANT STORAGE, PREPARATION, AND DELIVERY SYSTEMS AND RELATED METHODS - A bioadhesive sealant storage and preparation system may comprise a plurality of containers and an adapter. The plurality of containers may comprise a first container having a first bioadhesive sealant component therein, and a second container having a second bioadhesive sealant component therein. The adapter may comprise a manifold comprising a plurality of channels formed therein, an inlet region sized and configured to receive the plurality of containers and facilitate fluid communication between each container of the plurality of containers and a respective channel of the plurality of channels, and an outlet region sized and configured to receive a syringe and provide fluid communication between the syringe and the plurality of channels. | 02-27-2014 |
20140058441 | BIOADHESIVE MIXING AND DELIVERY DEVICE AND METHODS - A tissue puncture closure device includes a delivery member, a handle assembly, and a sealant cartridge. The delivery member includes a sealant lumen and is insertable into a tissue puncture. The handle assembly is mounted to a proximal end of the delivery member and includes a cartridge chamber and a plunger member. The sealant cartridge is insertable into the cartridge chamber. The sealant cartridge has at least first and second sealant chambers carrying at least first and second sealant components, respectively. Operation of the handle assembly ejects the first and second sealant components into the sealant lumen for delivery to the tissue puncture. | 02-27-2014 |
20140058440 | BALLOON BAILOUT AND BIOADHESIVE DELIVERY DEVICE FOR SUTURE BASED CLOSURE AND METHODS - A vascular closure assembly is configured to seal a vascular puncture in a vessel. The vascular closure assembly includes a balloon location device and a sealant delivery device. The balloon location device includes an inflation tube and an inflatable balloon positioned at a distal end of the inflation tube and operable, when inflated, between a first position blocking blood flow through the vessel and a second position sealing the puncture from within the vessel. The sealant delivery device includes a sealant delivery tube having a first lumen sized to advance over the inflation tube to the puncture, and a second lumen configured to deliver a volume of sealant to the puncture. The first lumen may include a rapid exchange feature. | 02-27-2014 |
20140058439 | SEALING MECHANISM FOR CLOSURE DEVICES - A deployment device for bringing a sealing plug into position within a puncture tract or incision, and bringing an anchor into position adjacent a tissue puncture, is provided. The deployment device is designed to facilitate easier positioning of the sealing plug, wherein a separate tamping tool is not required. The sealing plug is held in place on the shaft of the anchor by a structure, for example, a knob or boss. The anchor, anchor shaft, and sealing plug may be made of various biocompatible resorbable materials such that the anchor may resorb very quickly, leaving the tissue or artery lumen clear, and the sealing plug may resorb more slowly, to assist in maintaining hemostasis. The deployment device may include a bypass device which maintains the anchor in either an extended or bent configuration. Further, the anchor may include at least one rib, to provide support to the anchor. | 02-27-2014 |
20140058438 | CARRIER TUBES FOR CLOSURE DEVICES - A deployment device having a carrier tube, for bringing a sealing plug into position within a puncture tract or incision and deploying the sealing plug within the incision or puncture tract, towards the outer surface of a tissue puncture, is provided. The carrier tube is designed to facilitate easier deployment and improved compaction of the sealing plug, the sealing plug often made of collagen. The carrier tube is adapted to prevent the premature hydration of the sealing plug, where premature hydration of the sealing plug may result in difficulty in deploying the sealing plug. The carrier tube is designed to facilitate easier loading of puncture tract closing elements into the distal end of the carrier tube. | 02-27-2014 |
20140058429 | COLLAPSIBLE SHEATH AND TAPERED DILATOR FOR TISSUE PUNCTURE ACCESS - A tissue puncture access assembly that includes a sheath and a dilator. The sheath is operable between an expanded position with a first maximum outer diameter, and a collapsed position with a second maximum outer diameter that is less than the first maximum outer diameter. The dilator is insertable through the sheath and has a leading end positionable distal of a distal end of the sheath. The sheath is operated into the collapsed position prior to and during insertion with the dilator into a tissue puncture. The sheath is operated into the expanded position once positioned in the tissue puncture. | 02-27-2014 |
20140052172 | FLEXIBLE TAMPING MEMBER - Methods and apparatus are disclosed for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug. The methods and apparatus provide for a compaction device or a tamping device that improves control of the amount of force exerted upon the sealing plug. Further, the compaction tube or tamping device can deform upon application of excessive compaction force, thereby reducing the possibility of damage to the sealing plug, anchor, or artery. | 02-20-2014 |
20140052171 | VASCULAR CLOSURE DEVICE ANCHOR - A bioresorbable anchor for deployment in a live body, in one embodiment the anchor comprises an inner anchor made of a first bioresorbable material and an outer anchor made of a second bioresorbable material, wherein the outer anchor envelops the inner anchor. In another embodiment, the anchor comprises a base anchor made of a first bioresorbable material and a second bioresorbable material overlays at least a portion of the base anchor. The first bioresorbable material has a faster resorption rate than the second bioresorbable material. Further, the second bioresorbable material can provide additional strength to the anchor structure. A tissue puncture closure device comprising a filament extending from a first end of the closure device to a second end of the closure device; an anchor comprising a plurality of bioresorbable materials; a sealing plug slidingly attached to the filament adjacent to the anchor; and a tamping assembly. | 02-20-2014 |
20140046220 | METHOD AND DEVICE FOR LOCATING A VESSEL AND FOR CLOSING A VASCULAR PUNCTURE SITE - A vascular closure device ( | 02-13-2014 |
20140046217 | VASCULAR LOCATOR DEVICE AND METHOD FOR LOCATING A VESSEL - A vessel locator apparatus ( | 02-13-2014 |
20140039547 | TISSUE PUNCTURE CLOSURE DEVICE WITH LIMITED FORCE AUTO COMPACTION - A closure device ( | 02-06-2014 |
20140039263 | LARGE BORE INTRODUCER WITH IMPROVED SEAL - An introducer includes a housing and a flexible seal. The housing includes a hub, a cap, and a lumen. The flexible seal is positioned across the lumen and retained between the hub and the cap. The seal includes a top surface and a bottom surface, a bottom slit formed in the bottom surface, and a top slit formed in the top surface. The top slit crosses the bottom slit. The seal member is biased by an interface between the hub and the cap to at least partially close the top slit and at least partially open the bottom slit. | 02-06-2014 |
20130269299 | SEALANT MIXING CONTAINERS FOR EXTRA VASCULAR BIOADHESIVE DELIVERY SYSTEMS AND METHODS - A closure device operable to seal a vessel puncture and including a delivery member and a sealant material applicator. The delivery member is insertable through a tissue tract to the vessel puncture. The sealant material applicator is configured to supply a volume of sealant material to the delivery member and includes a housing, a plunger assembly, and at least one container. The housing includes at least first and second chambers, wherein the first chamber carries a first sealant component and the second chamber carries a second sealant component. The container is insertable into the first or second chamber and carries a third sealant component of the sealant material. The sealant material applicator creates flow communication between the container and at least one of the first and second chambers to mix the third sealant component with the first and second sealant components. | 10-17-2013 |
20130253576 | SYSTEMS AND METHODS FOR SEQUENTIAL MIXING OF ACTIVATOR IN BIOADHESIVE DELIVERY DEVICE - A sealant delivery device includes a delivery tube, a bioadhesive container, and an adapter. The delivery tube includes proximal and distal ends. The bioadhesive container holds a sealant activator and a sealant precursor separated from each other. The adapter is interposed between the delivery tube and the bioadhesive container. The adapter includes a first channel member that couples a first lumen of the delivery tube to the sealant activator, and a second channel member that couples the first lumen to the sealant precursor. The adapter provides separation of the sealant activator and the sealant precursor until a position distal of the bioadhesive container. | 09-26-2013 |
20130245644 | MARKERS FOR TISSUE TRACT DEPTH INDICATION AND METHODS - A vascular closure assembly configured to seal a puncture in a vessel that is accessible through a tissue tract. The vascular closure assembly includes a vascular closure device comprising a handle assembly, an insertion shaft, an anchor assembly, and at least one suture member. The insertion shaft extends distally from the handle assembly and carries a plurality of needles. The needles are operable to position at least one suture across the vessel puncture. The anchor assembly is positioned distal of the insertion shaft. The at least one suture member is positioned distal of the insertion shaft. The insertion shaft extends into the tissue tract to position the anchor assembly through the puncture and into the vessel and includes a first depth indicator on an outer surface thereof that indicates a depth of the tissue tract. | 09-19-2013 |
20130226227 | DISENGAGABLE CAM SYSTEM FOR TISSUE PUNCTURE CLOSURE DEVICE - A method and apparatus for sealing a puncture or incision formed percutaneously in a tissue. The apparatus includes an anchor, a sealing plug, a suture, a compaction member assembly, a spool assembly, and a release member. The compaction member assembly is structured and arranged to apply a compressive force to compact the sealing plug toward the anchor. The spool assembly includes a plurality of post members, and the suture is wound about the post members to define a suture cam path. Unspooling the suture along the suture cam path provides driving of the compaction member assembly. The release member is operable to move the post members to release the suture member from the spool assembly. | 08-29-2013 |
20130190813 | BALLOON LOCATION DEVICE MANIFOLD FOR VASCULAR CLOSURE DEVICE AND METHODS - A vessel puncture closure device includes a housing, an inflation tube, a balloon member, an indicator member, and a delivery tube. The inflation tube defines an inflation lumen and extends from the housing. The balloon member is positioned at a distal end of the inflation tube and is arranged in fluid communication with the inflation lumen. The indicator member is positioned in and movable relative to the housing in response to a pressure condition in the balloon member. The delivery tube is connected to the indicator member and balloon member, and extends through the housing and inflation tube. | 07-25-2013 |
20130190812 | BIORESORBABLE TIP WITH LOW FORCE RELEASE AND METHODS - A vascular closure system includes an expandable anchor, a sealing material, a sealing tip, and a sealing tip release member. The expandable anchor is temporarily positioned through a vessel puncture within a vessel. The sealing material is positioned outside of the vessel and configured to seal the vessel puncture. The sealing tip is positioned distal of the anchor and releasable within the sealing material upon removal of the anchor and sealing tip through the sealing material. The sealing tip release member is operable to release the sealing tip without application of a tactile force. | 07-25-2013 |
20130190809 | PROCEDURAL SHEATH SECUREMENT DEVICE AND METHODS - A procedural sheath holding device includes a base member and a securing member. The base member is positionable in contact with an outer skin surface adjacent to an incision. The securing member is attached to the base member and includes a securing portion operable to releasably secure a procedural sheath in a fixed axial position relative to the skin surface when a vascular closure device is inserted through the procedural sheath to seal the incision. The securing member may be pivotal relative to the base member. | 07-25-2013 |
20130190808 | BIOADHESIVE DELIVERY CATHETER MANIFOLD WITH MIXING FIXTURE AND METHODS - A bioadhesive delivery catheter includes a manifold, a dual lumen tube, and a mixing member. The manifold includes a delivery device passage and an injection port. The tube is insertable into the delivery device passage and includes first and second lumens positioned side-by-side. The first lumen extends proximal of the second lumen within the delivery device passage, and the second lumen is in flow communication with the injection port. The mixing member is positioned between a proximal inlet of the injection port and the second lumen and is configured to help mix a bioadhesive material that is delivered through the injection port into the second lumen. | 07-25-2013 |
20130150884 | BALLOON INSERTION APPARATUS AND METHOD OF SEALING A TISSUE PUNCTURE - The present invention provides apparatus and methods of closing internal tissue punctures. The apparatus and method provide for an introducer sheath having at least one side port enabling aspiration of an internal tissue puncture site and injection of a sealant. | 06-13-2013 |
20130144316 | LARGE BORE CLOSURE DEVICE AND METHODS - A vascular closure system includes a body portion, an anchor, a suture carrying portion, and a plurality of needles. The body portion has a distal end surface. The anchor is positionable through a vessel puncture in a vessel wall of a vessel. The anchor defines a vessel contact surface, wherein withdrawal of the anchor captures a portion of the vessel wall between the vessel contact surface and the distal end surface. The suture carrying portion is positionable through the vessel puncture and carries at least one suture member. The plurality of needles extend through the portion of the vessel wall adjacent to the vessel puncture and are configured to connect to the at least one suture member. Withdrawal of the plurality of needles through the portion of the vessel wall positions the at least one suture member through the portion of the vessel wall. | 06-06-2013 |
20130138149 | LARGE BORE ANCHOR DEVICE - A vascular closure system includes a suture and an anchor assembly. The anchor assembly includes a first anchor portion having a plurality of petal members automatically expandable from a retracted position for delivery through a vessel puncture in a vessel, and an expanded position when deployed within the vessel. The anchor assembly also includes a second anchor portion connected to the suture and positioned distal of the first anchor portion within the vessel. Withdrawing the suture pulls the second anchor portion against the first anchor portion to contact the first anchor portion against an inner surface of the vessel adjacent to the vessel puncture. The vascular closure system may also include an automatic compaction assembly that automatically compacts a sealing member against the anchor assembly to seal closed the vessel puncture upon withdrawal of the vascular closure system. | 05-30-2013 |
20130123844 | LARGE BORE CLOSURE DEVICE WITH INNER AND OUTER SEALS - A vascular closure system includes a suture carrying portion, a plurality of needles, and an internal sealing member. The suture carrying portion is insertable through a vessel puncture of a vessel and carries first and second suture ends of at least a first suture member. The plurality of needles are extendable through a wall of the vessel adjacent to the vessel puncture and are configured to connect to the first and second suture ends. Withdrawal of the plurality of needles draws the first and second suture ends through the vessel wall. The internal sealing member is configured to advance along the first suture member through the vessel puncture and into the vessel. Applying a withdrawal force to the first and second suture ends draws the internal sealing member against an internal surface of the vessel wall to at least partially seal closed the vessel puncture. | 05-16-2013 |
20130123812 | LARGE BORE LOCATION DEVICE AND METHODS - A vascular closure system includes a body portion, an anchor, at least one suture member, and a plurality of needles. The anchor assembly includes a hub and a wire assembly. The hub has at least one aperture defined in a sidewall thereof. The wire assembly includes an actuator member extending proximally through the body portion and hub, and at least one pre-formed wire having a free proximal end and a distal end that is connected to the actuator member. Withdrawing the actuator member extends the proximal end of the at least one pre-formed wire out of the at least one aperture to capture a portion of the vessel wall between the pre-formed wire and the body portion. The plurality of needles extend through the vessel wall adjacent to the vessel puncture and are configured to connect to the at least one suture member. | 05-16-2013 |
20130103077 | VASCULAR SEALING DEVICE WITH LOCKING HUB - An internal tissue puncture closure method and apparatus. The method and apparatus provide a locking device for compressing and holding an external component such as a collagen sponge at a puncture situs. The locking device facilitates compression of the external component in a first direction, but prevents or locks against retraction. | 04-25-2013 |
20130079802 | SUTURE LOCKING DEVICE AND METHODS - A suture locking device includes a carrier member, a locking assembly, a suture path, and an actuator assembly. The locking assembly includes a first locking member having an outer surface portion, and a second locking member having an inner surface portion. The suture path is receptive of a suture and defined at least partially through the first locking member, between the outer and inner surface portions, and at least partially through the carrier member. The actuator assembly is operable to move the first and second locking members together to lock the suture relative to the lock assembly. | 03-28-2013 |
20130072967 | CLUTCH RELEASE MECHANISM FOR VASCULAR CLOSURE DEVICE - A method and apparatus for sealing a puncture or incision formed percutaneously in a tissue. The apparatus including an anchor, a sealing plug, a filament secured to the sealing plug and the anchor, a compaction member assembly, a spool, a driving plate, and a follower. The compaction member assembly is disposed adjacent the sealing plug and structured and arranged to apply an axially directed compressive force to automatically compact the sealing plug toward the anchor. The spool has a portion of the filament wound thereon. The driving plate is connected to the spool and arranged to contact and apply a force to a proximal end of the compaction member assembly upon rotation of the driving plate to advance the compaction member assembly. The follower is operable between the spool and driving plate to releasably connect the spool and driving plate to provide a clutch action. | 03-21-2013 |
20130072949 | SUTURE LOCKING DEVICE AND METHODS - A suture locking device includes a suture locking assembly, a suture cutting member, and an actuator assembly. The actuator assembly includes a first actuator operable longitudinally to lock the suture with the suture locking assembly, and a second actuator operable laterally to concurrently cut the suture with the suture cutting member and disconnect the suture locking assembly from the suture locking device. | 03-21-2013 |
20130006299 | VASCULAR CLOSURE DEVICE HAVING A FLOWABLE SEALING MATERIAL - Various embodiments of a device are shown and disclosed for closing a vascular access puncture site following percutaneous diagnostic or therapeutic interventional procedures. The vascular closure device is configured to safely and accurately deploy a sealing material that undergoes a phase change when deployed inside the tissue tract. The sealing material may be a solid at room temperature and a liquid or gel at body temperature. Also, the sealing material may change from a liquid or gel to a cubic phase when it comes into contact with bodily fluids. | 01-03-2013 |
20130006298 | TISSUE PUNCTURE CLOSURE DEVICE WITH ACTUATABLE AUTOMATIC SPOOL DRIVEN COMPACTION SYSTEM - A tissue puncture closure device includes an anchor, a sealing plug, a suture coupled to the sealing plug, a compaction arrangement, and an automatic driving assembly. The automatic driving assembly includes first and second spool members and an actuation member. The first spool member is configured to coil a portion of the suture. The second spool member is configured to coil a portion of the compaction arrangement. The actuation member is coupled to the first and second spool members. Activation of the actuation member releases the first spool member for rotation to apply a tension force in the suture, and releases the second spool member for rotation to distally advance a portion of the compaction arrangement to compress the sealing plug. | 01-03-2013 |
20120310275 | SINGLE PIECE, DUAL COMPONENT SEALING PAD AND METHODS - A tissue puncture closure device includes a carrier tube and a sealing plug. The carrier tube includes a distal end configured for insertion into the tissue puncture. The sealing plug is positioned in the carrier tube and arranged for ejection from the distal end of the carrier tube into the tissue puncture. The sealing plug includes a first collagen portion having a first cross-linked chemical structure, and a second collagen portion positioned proximal of the first collagen portion in the carrier tube. The second collagen portion has a second cross-linked chemical structure that is different from the first cross-linked chemical structure. | 12-06-2012 |
20120283770 | COMPRESSIBLE ARTERIOTOMY LOCATOR FOR VASCULAR CLOSURE DEVICES AND METHODS - A tissue puncture locator device includes a temporary anchor configured for placement through a vascular puncture into a vessel. The temporary anchor includes a column member that defines a lumen. The temporary anchor is movable between an uncompressed position and a compressed position, wherein in the compressed position a portion of the column member protrudes radially outward. The column member may include a reduced thickness portion, wherein the column member protrudes radially outward at the reduced thickness portion. The column member, when expanded radially outward within the vessel, is sized to limit retraction of the temporary anchor through the vascular puncture. | 11-08-2012 |
20120245624 | SNAP-ON VASCULAR CLOSURE DEVICE AND METHODS - A tissue puncture closure assembly including a wire assembly and a sealing pad delivery device. The wire assembly includes a proximal end portion, a distal end portion, and a temporary expandable anchor positioned at the distal end portion. The sealing pad delivery device includes a carrier tube, a sealing pad positioned in the carrier tube, and a lateral wire slot. The lateral wire slot is defined in an outer surface of the sealing pad delivery device and extends along at least a portion of a length of the sealing pad delivery device. The lateral wire slot is configured to permit mounting of the sealing pad delivery device to the wire assembly in a lateral direction. | 09-27-2012 |
20120245597 | VASCULAR CLOSURE DEVICE WITH COMPACTION TUBE SUTURE CUTTING PORT AND METHODS - A tissue puncture closure device includes an anchor, a sealing plug, a compaction member, a suture, and a suture cutting member. The compaction member is configured to compress the sealing plug toward the anchor. The suture is coupled to the sealing plug and anchor, and a portion of the suture extends through at least a portion of the compaction member. The suture cutting member extends through an aperture in a sidewall of the compaction member and is operable to cut the suture at a location within the compaction member. | 09-27-2012 |
20120245517 | DUAL LUMEN BOND FOR VASCULAR CLOSURE DEVICE AND METHODS - A vascular closure device that includes an inflation tube, a flashback tube, a dual lumen tube, a bond portion, and an inflatable balloon. The inflation tube defines an inflation lumen. The flashback tube defines a flashback lumen. The dual lumen tube has first and second lumens and is positioned distal of the inflation tube and flashback tube. The inflation tube and flashback tube are integrally connected to the dual lumen tube at the bond portion with the inflation lumen in fluid communication with the first lumen and the flashback lumen in fluid communication with the second lumen. The inflatable balloon is mounted at a distal end of the dual lumen tube and is in fluid communication with the inflation lumen. | 09-27-2012 |
20120165854 | MONORAIL SYSTEM FOR VASCULAR CLOSURE DEVICE AND METHODS - A tissue puncture closure assembly including a wire assembly and first and second devices. The wire assembly includes a first wire member and a second wire member that each include a distal end portion and a proximal end portion. At least portions of the second wire member are arranged side-by-side with the first wire member. The distal end portion of the first wire member is connected to the distal end portion of the second wire member, and a proximal end portion of the first wire member is disconnected from the proximal end portion of the second wire member. The first device is operable to advance over the first wire member. The second device is operable to advance over the second wire member. | 06-28-2012 |
20120158045 | VASCULAR CLOSURE DEVICE WITH AUTOMATIC SUTURE CUTTER - A tissue puncture closure device that includes an anchor ( | 06-21-2012 |
20120143245 | CARRIER TUBE FOR VASCULAR CLOSURE DEVICE AND METHODS - A vascular closure device ( | 06-07-2012 |
20120089177 | CAM DRIVEN COMPACTION TUBE FOR VASCULAR CLOSURE DEVICE - A method and apparatus for sealing a puncture or incision formed percutaneously in a tissue. The apparatus including an anchor, a sealing plug, a filament connected between the sealing plug and the anchor, a compaction member assembly, a spool and a driving plate. The compaction member assembly being disposed adjacent the sealing plug and structured and arranged to apply an axially directed compressive force to automatically compact the sealing plug toward the anchor. The spool has a portion of the filament wound thereon. The driving plate being connected to the spool and having a cam surface portion. The cam surface portion is arranged to contact a proximal end of the compaction member assembly upon rotation of the spool to advance a distal end of the compaction member assembly. | 04-12-2012 |
20120071919 | VASCULAR SEALING DEVICE WITH HIGH SURFACE AREA SEALING PLUG - An internal tissue puncture closure method and apparatus. The method and apparatus provide a folded sealing plug that provides more surface area than conventional plugs to more fully cover and seal an external situs of an internal tissue puncture. The folded sealing plug may have a weave pattern that tends to cause the sealing plug to corkscrew into the internal tissue puncture as it is compressed toward an anchor placed inside of the tissue puncture. | 03-22-2012 |
20120010634 | COMPACTIONLESS TISSUE PUNCTURE CLOSURE DEVICE AND METHODS - A tissue puncture closure device includes a carrier tube, a suture, an anchor, and a sealing pad. The sealing pad maintains a constant or substantially constant shape from when positioned in the carrier tube to when removed from the carrier tube and positioned adjacent to the tissue wall puncture in a post-deployment position. The suture may retain the anchor and sealing pad in contact with the tissue wall without altering a shape of the sealing pad. | 01-12-2012 |
20120004671 | SUTURE LOOP CLOSURE DEVICE - The present invention describes apparatus and methods for tying a filament across subcutaneous punctures. According to some embodiments, the apparatus and methods provide pre-tied knots that are inserted into a bodily lumen. Needles flanking the subcutaneous puncture are inserted into the lumen and grab the pre-tied knots. The pre-tied knots are pulled through tiny holes flanking the subcutaneous puncture by the needles, leaving an internal length of the filament across the subcutaneous puncture. The filament is then externally tied, closing the subcutaneous puncture. | 01-05-2012 |
20110270302 | TISSUE PUNCTURE CLOSURE DEVICE WITH AUTOMATIC TORQUE SENSING TAMPING SYSTEM - Methods and apparatus for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug are disclosed. The methods and apparatus provide for automatic tamping of the sealing plug. In addition, torque required to tamp the sealing plug is automatically sensed and gear ratios of an automatic tamping device are automatically changed in response to sensed changes in torque. A planetary transmission may be used to automatically change gear ratios in response to the changes in torque. | 11-03-2011 |
20110172702 | TISSUE PUNCTURE CLOSURE DEVICE WITH AUTOMATIC TAMPING - A method and apparatus for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug. The method and apparatus provide for automatic tamping and/or cinching of the sealing plug when the apparatus is withdrawn from the puncture site. The automatic tamping and/or cinching is facilitated by transducing a motive force generated by the withdrawal of the apparatus into a tamping and/or cinching force. | 07-14-2011 |
20110077683 | PUNCTURE CLOSURE APPARATUSES, SEALING PLUGS, AND RELATED METHODS - A puncture closure device is disclosed. Particularly, a puncture closure device may include an anchor support including a coupling feature and an anchor connected to the anchor support. Further, the puncture closure device may include a movable compression element configured to compress a sealing plug generally between the compression element and the anchor. Such a puncture closure device may be positioned at least partially within an insertion sheath to form a puncture closure assembly. A method of compressing a sealing plug and a method of sealing a puncture are disclosed. In addition, in one embodiment, a sealing plug may comprise a first, a second, and an intermediate end region, wherein the intermediate region has a density less than the first and second end regions. In another embodiment, a sealing plug may include a bore formed therethrough and a plurality of slits formed into an exterior surface of the sealing plug. | 03-31-2011 |
20110077598 | VASCULAR ACCESS TO CLOSURE SHEATH AND METHODS - An insertion sheath and related methods include a tube member and a shape memory feature. The tube member defines an insertion lumen. The shape memory feature is positioned at a distal end portion of the tube member. The shape memory feature provides a monofold shape in the tube member when in a first state, and a radially expanded shape in the tube member in a second state upon application of an expansion force. The shape memory feature returns the monofold shape after removal of the expansion force. The insertion sheath may function as an access to closure sheath that is suitable for use as a procedural insertion sheath when treating the patient and a closure insertion sheath when sealing closed the vascular puncture. | 03-31-2011 |
20110046663 | POLYMER MEMBRANE LOCATOR WITH BUILT-IN STRESS RELIEF STRUCTURE - A tissue puncture locator device that includes an expandable member, a deformable membrane, and an actuator. The expandable member is movable between an unexpanded position and an expanded position. The deformable membrane extends around at least a portion of the expandable member. The membrane has a stress relief portion. The actuator is operable to move the expandable member between the unexpanded and expanded positions. | 02-24-2011 |
20110029012 | DUAL HYPOTUBE SUTURE CUTTING DEVICE AND METHODS - A tissue puncture closure device includes an anchor, a sealing pad, a compaction member, a suture, and a suture cutting member. The compaction member is configured to compress the sealing pad toward the anchor. The compaction member includes a sidewall and a first aperture defined in the sidewall. The suture cutting member is positioned in the compaction member and includes a suture cutting member sidewall and a second aperture defined in the suture cutting member sidewall. The suture is coupled to the sealing pad and anchor, and a portion of the suture extends through the first and second apertures. Relative movement between the compaction member and the suture cutting member severs the suture. | 02-03-2011 |
20100318067 | APPARATUS AND METHODS FOR CATHETER STEERABILITY - A catheter assembly having first and second shaft members that provide stearability for the catheter assembly. The first shaft member has a plurality of longitudinally spaced apart first ring members that are interconnected with a longitudinally extended first spine member. The second shaft member is positioned within the first shaft member and is connected to a distal end portion of the first shaft member. The second shaft member has a plurality of longitudinally spaced apart second ring members that are interconnected with a longitudinally extending second spine member. Alternatively, the second shaft member includes a plurality of protrusions extending radially outward from the longitudinally extending second spine member. The second shaft member is operable to move at least portions of the first ring members longitudinally relative to each other to bend the first shaft member. | 12-16-2010 |
20100286727 | TISSUE PUNCTURE CLOSURE DEVICE WITH ACTUATABLE AUTOMATIC SPOOL DRIVEN COMPACTION SYSTEM - A tissue puncture closure device includes an anchor, a sealing plug, a suture coupled to the sealing plug, a compaction arrangement, and an automatic driving assembly. The automatic driving assembly includes first and second spool members and an actuation member. The first spool member is configured to coil a portion of the suture. The second spool member is configured to coil a portion of the compaction arrangement. The actuation member is coupled to the first and second spool members. Activation of the actuation member releases the first spool member for rotation to apply a tension force in the suture, and releases the second spool member for rotation to distally advance a portion of the compaction arrangement to compress the sealing plug. | 11-11-2010 |
20100234883 | FLEXIBLE TAMPING DEVICE - A method and apparatus for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug. The method and apparatus provide for a tamping device that is coilable in some configurations and stiff and straight in other configurations. The coilable tamping device may also automatically tamp the sealing plug when the apparatus is withdrawn from the puncture site. The automatic uncoiling and tamping is facilitated by transducing a motive force generated by the withdrawal of the apparatus into a tamping force. | 09-16-2010 |
20100191280 | TISSUE PUNCTURE CLOSURE DEVICE WITH MAGAZINE FED TAMPING SYSTEM - The present invention is directed to methods and apparatus for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug. The method and apparatus provide a magazine fed tamping system for automatic tamping and/or cinching of the sealing plug when the apparatus is withdrawn from the puncture site. The automatic tamping and/or cinching is facilitated by transducing a motive force generated by the withdrawal of the apparatus into a tamping and/or cinching force. | 07-29-2010 |
20100145366 | THREE-NEEDLE CLOSURE DEVICE - The present invention relates to a three-needle type vascular closure system. The closure system utilizes three needles in the form of a guiding device, an expandable needle, and a hooking device. The guiding device is used to make the initial opening in the vessel, where the opening provides access for a sheath through which a medical procedure is to be performed. The expandable needle is inserted into the vessel in which it expands radially from the needle to form a target. The hooking device is also inserted into the vessel and is used to hook the expandable needle so as to form an internal union between the hooking device and the expandable needle. The needles can then be retracted thereby extending a suture from the hooking device and forming an internal suture pass that can be used to approximate the tissue surrounding the initial opening in the vessel. In one embodiment, the suture is passed across the vessel opening prior to dilation of the vessel opening. | 06-10-2010 |
20100023051 | TISSUE PUNCTURE CLOSURE METHOD WITH DISENGAGABLE AUTOMATIC TAMPING SYSTEM - A method and apparatus for sealing a puncture or incision formed percutaneously in tissue separating two internal portions of the body of a living being with an anchor, a sealing plug and a filament connecting the anchor and sealing plug. The method and apparatus provide for disengagable automatic tamping and/or cinching of the sealing plug when the apparatus is withdrawn from the puncture site. The disengagable automatic tamping and/or cinching is facilitated by transducing a motive force generated by the withdrawal of the apparatus into a tamping and/or cinching force. | 01-28-2010 |
20090312790 | VASCULAR PUNCTURE SEAL ANCHOR NEST - The present invention provides a method and apparatus for sealing a subcutaneous tissue puncture. The method and apparatus increases the reliability of device function by creating a multi-level anchor nest in a carrier tube of a tissue puncture closure device. The multi-level nest allows an insertion sheath or other deployment member to slide between the carrier tube and the anchor to rotate and deploy the anchor within an artery or other lumen. | 12-17-2009 |