Patent application number | Description | Published |
20080312733 | SHAPE MEMORY POLYMERIC STENT - An implantable, radially distensible stent includes a plurality of helically wound elongate members. The members include an overlapping portion having a longitudinal extent, opposed and convexly rounded sides defining a width of the members and opposed luminal and exterior surfaces. The members include shape memory polymer. The side of one elongate member slidingly overlaps the side of an adjacent elongate member to form a self-supporting wall structure of a stent. The stent wall is self-supporting without other support structure incorporated into or abutting the elongate members. Further, the shape memory polymer may comprise a biodegradable or bioabsorbable elements. | 12-18-2008 |
20080319540 | ANTI-MIGRATION FEATURES AND GEOMETRY FOR A SHAPE MEMORY POLYMER STENT - The present invention relates to a radially-expandable stent for implantation in a bodily passageway, being expandable from an initial unexpanded state to an expanded state, having an outer surface with a geometric pattern covering said outer surface to minimize migration after implantation. | 12-25-2008 |
20090048653 | ENDOPROSTHESIS HOLDER - An endoprosthesis holder includes a proximal connector structure having an outer surface. A distal connector structure has an outer surface. An intermediate connector structure is connected to the proximal and distal connector structures such that the intermediate connector structure is between the proximal and distal connector structures. The intermediate connector structure includes one or more intermediate transverse structures and one or more axial structures. The one or more intermediate transverse structures are connected to one another and to the proximal and distal connector structures by the one or more axial structures. The intermediate connector structure has an outer surface. An outward protrusion is connected to one or more of the outer surfaces of the proximal connector structure or distal connector structure or intermediate connector structure. | 02-19-2009 |
20100160812 | Fine Needle Aspiration Handle Attachment - A removable attachment for selectively connecting coaxial medical instruments comprises a first instrument having a proximal end, a distal end and a lumen extending therethrough. The first instrument comprises an arm extending from a fulcrum located on the first instrument and a second instrument movably placed within the lumen of the first instrument, the second instrument comprising a hub at a proximal end thereof. The hub comprises a distal edge to engage a proximal end of the first instrument. The arm pivots around the fulcrum and is configured to selectively engage the hub to provide a removable locking connection between the first and second instruments. | 06-24-2010 |
20110265908 | APPARATUS AND METHOD FOR MANUFACTURING A SINGLE WIRE STENT - A mandrel for manufacturing a stent from a single wire includes a cylindrical member having a plurality of pins at a proximal end region, a plurality of pins at a distal end region, and a plurality of indentations between the proximal pins and the distal pins. These indentations form a helical pattern on the outer surface of the cylindrical member. The single wire is wrapped around every proximal pin and distal pin on the mandrel by following the indentations in the mandrel. The single wire is slid through the indentation under any crossing section of wire and over the next crossing section of wire in an under-over pattern. | 11-03-2011 |
20110307070 | STENT FOR REPAIR OF ANASTOMASIS SURGERY LEAKS - A stent for repairing post-anastomasis (e.g., bariatric) surgery leaks is formed by an elongated tube having a proximal flare-shaped flange, an enlarged middle section, and a distal flare-shaped flange, where an exterior surface of the elongated tube is substantially covered with a polymer. | 12-15-2011 |
20120029609 | Endoprosthesis Holder - An endoprosthesis holder includes a proximal connector structure having an outer surface. A distal connector structure has an outer surface. An intermediate connector structure is connected to the proximal and distal connector structures such that the intermediate connector structure is between the proximal and distal connector structures. The intermediate connector structure includes one or more intermediate transverse structures and one or more axial structures. The one or more intermediate transverse structures are connected to one another and to the proximal and distal connector structures by the one or more axial structures. The intermediate connector structure has an outer surface. An outward protrusion is connected to one or more of the outer surfaces of the proximal connector structure or distal connector structure or intermediate connector structure. | 02-02-2012 |
20120109159 | TISSUE CLOSURE - A device for fastening tissue includes (a) a shaft extending longitudinally from a distal end insertable into a body to a proximal end attached to a controller which remains outside of the body, the shaft including a lumen extending therethrough and an opening extending through a wall of a distal portion thereof to open the lumen to an exterior of the shaft; (b) a first roller housed within the lumen adjacent to a first longitudinal edge of the opening such that a rotation of the first roller grasps and draws tissue from the body into the lumen in combination; and (c) a fastening element housed within the lumen adjacent to the opening and movable from a tissue receiving configuration to a tissue gripping configuration. | 05-03-2012 |
20120165916 | Stent deployment system with integrated digital camera and dilation balloon - The deployment device includes at least one sheath, a dilation balloon, a transparent tip extending between the at least one sheath and the dilation balloon, a prosthesis, an inner tubular member and a camera to allow visualization of the stricture and prosthesis prior, during, and after deployment without the use of an endoscope. The sheath includes a camera extending from one end. | 06-28-2012 |
20120283816 | PROSTHESIS ANCHORING AND DEPLOYING DEVICE - A system for intraluminally delivering and deploying stents and other prostheses includes an outer catheter, an inner catheter movable axially relative to the outer catheter, and an anchoring device mounted to a distal end region of the inner catheter. The anchoring device includes one or more control features that interact with a linking structure proximally disposed on the prosthesis, preferably including one or more loops. The control features and loops interact by surface engagement to anchor the prosthesis relative to the inner catheter in a nonfrictional manner, thus to maintain lower axial prosthesis deployment and retraction forces. In one version of the anchor, the control features extend radially outward from a sleeve. In another version, the control features are formed in respective recesses which also receive the loops or other linking structure. | 11-08-2012 |
20130150951 | Shape Memory Polymeric Stent - An implantable, radially distensible stent includes a plurality of helically wound elongate members. The members include an overlapping portion having a longitudinal extent, opposed and convexly rounded sides defining a width of the members and opposed luminal and exterior surfaces. The members include shape memory polymer. The side of one elongate member slidingly overlaps the side of an adjacent elongate member to form a self-supporting wall structure of a stent. The stent wall is self-supporting without other support structure incorporated into or abutting the elongate members. Further, the shape memory polymer may include a biodegradable or bioabsorbable elements. | 06-13-2013 |
20130158566 | ROTATIONAL MECHANISM FOR ENDOSCOPIC DEVICES - A medical device includes a flexible member extending from a handle at a proximal end to a distal end sized and shaped for insertion to a target position in a living body and having a first channel extending longitudinally therethrough in combination with an elongated rotation tube positioned in the first channel and being rotatable relative to the flexible member and a rotation drive device at a distal end of the rotation tube, a proximal end of the rotation drive device being permanently attached to the rotation tube, a distal end of the rotation drive device having a first protrusion extending distally therefrom and a drive element having a substantially cylindrical shape with a groove on an inner wall thereof mating with the first protrusion of the rotation drive device, the drive element configured to transmit rotational movement of the rotation tube to an end effector connected to a distal end thereof to rotate the rotation tube relative to the flexible member. | 06-20-2013 |
20130226199 | OMNIDIRECTIONAL CLOSURE CLIP - A tissue clipping device includes a capsule extending from a proximal end to a distal end and including a lumen extending therethrough, a clip including at least three arms biased toward an open configuration and connected to one another at proximal ends thereof, the arms separated from one another circumferentially about a centerline of the clip and the proximal ends of the arms slidable within the lumen of the capsule to move the clip between the open configuration, in which distal ends of the arms are separated from one another to receive tissue therebetween and a closed configuration in which distal ends of the arms are moved toward one another to grip tissue in combination with a tension member releasably coupling the clip to a proximal end of the device which remains accessible to a user, to control movement of the clip between the open and the closed configurations. | 08-29-2013 |
20140074219 | ADHESIVE STENT COATING FOR ANTI-MIGRATION - A stent, the stent comprising a first coating composition comprising at least one bioadhesive and a second coating composition disposed over the first coating composition, the second coating composition comprising at least one biodegradable polymer. | 03-13-2014 |
20140277561 | PANCREATIC STENT DRAINAGE SYSTEM - The present invention relates to a medical device, for pancreas, equipped with drainage feature. The medical device includes a stent having an exterior surface, a proximal end and a distal end. The medical device further includes a drainage tube helically wrapped around the stent. The drainage tube includes an external surface, an internal surface, a proximal end, and a distal end. The external surface of the drainage tube is designed with a plurality of holes. The pluralities of holes are connected to the internal surface via a lumen. The plurality of holes can be configured to direct the fluid from side walls of pancreas and bring it out through lumen to avoid occlusion of the side walls in pancreas. | 09-18-2014 |
Patent application number | Description | Published |
20080262592 | INTRALUMINARY STENT RELOCATING APPARATUS - An apparatus for moving an object disposed within a body lumen. The apparatus includes a first sheath, a coupling member and at least one contraction member for engaging at least a portion of the object. The coupling member is movable relative to the first sheath between a retracted position and a capture position. In the retracted position, a distal portion of the coupling member is disposed within the first sheath. In the capture position, the coupling member distal portion is disposed outside the first sheath. The coupling member is also selectively attachable to the object in at least the capture position. When the coupling member is attached to the object and the contraction member is directly engaged with the object, a predetermined coupling member movement relative to the contraction member radially contracts at least a portion of the object thereby facilitating movement of the object within the body lumen. | 10-23-2008 |
20080306491 | SINGLE STAGE HEMOSTASIS CLIPPING DEVICE - A tissue clipping apparatus comprises a clip including a proximal end received within a capsule. The clip includes a clip locking member biased to engage a first locking structure of the capsule to lock the clip in the capsule in a closed configuration. The apparatus also comprises a tension member releasably coupling the clip to a proximal end of the device which, during use, remains accessible to a user. The tension member is coupled to the clip by a joint designed to release when subject to a predetermined load to separate the clip from the device, release of the joint releasing the locking member to engage the first locking structure. | 12-11-2008 |
20100081878 | Integrated Locking Device With Active Sealing - Endoscope assemblies, biopsy caps, and methods for making and using the same. An example endoscope assembly may include an endoscope having a channel formed therein and a port that provides access to the channel. A cap may be coupled to the port. The cap may include a base and an outer shell. A locking member may be coupled to the outer shell. An inner seal member may be disposed within the outer shell. One or more openings may extend through the cap and into the channel. An actuator may be coupled to the base for shifting the inner seal member between an unsealed configuration and a sealed configuration. | 04-01-2010 |
20100087705 | Integrated Locking Device With Passive Sealing - Endoscope assemblies, biopsy caps, and methods for making and using the same. An example endoscope assembly may include an endoscope having a channel formed therein and a port that provides access to the channel. A cap may be coupled to the port. The cap may include a base having a securing member for securing the cap to the port, an outer shell, a locking member coupled to the outer shell, an inner seal member, and a central opening that extends to the channel. The inner seal member may include a plurality of flaps. | 04-08-2010 |
20100292692 | Sphincterotome With Stiffening Member - A sphincterotome is disclosed including an elongate shaft having a lumen extending through at least a portion of the elongate shaft. The lumen includes a proximal segment and a distal segment. A cutting element extends within the lumen through the proximal segment of the lumen and extends exterior of the elongate shaft along the distal segment of the lumen. A stiffening member is positioned within the distal segment of the lumen. | 11-18-2010 |
20110028984 | RAPID EXCHANGE ENTERAL STENT DELIVERY SYSTEM - Devices for palliating gastrointestinal strictures using rapid exchange type enteral stent placement catheters. The catheter may include an inner member and an outer member, with the two members being slidable with respect to one another. In various device embodiments, a ramp for directing a guidewire out from within the catheter is provided using portions of the outer member or a shaped mandrel. The inner member may take a number of forms, including a tubular distal portion, a skived or integrally attached elongate midsection, and a proximal portion. A mandrel can be used in a portion proximal of the guidewire ramp, with the mandrel taking one of several disclosed forms. | 02-03-2011 |
20110046651 | MULTIFUNCTIONAL CORE FOR TWO-PIECE HEMOSTASIS CLIP - A device includes a clip including first and second arms distal ends of which are biased apart and a core member including first and second portions connected to one another via a frangible link. The first portion includes a first protrusion for engaging a cut-out in the first arm. The frangible link is fractured when subjected to a load of at least a predetermined level deploying the clip. The device also includes a capsule slidably housing the core member and a proximal portion of the clip. | 02-24-2011 |
20120179171 | Single Stage Hemostasis Clipping Device - A tissue clipping apparatus comprises a clip including a proximal end received within a capsule. The clip includes a clip locking member biased to engage a first locking structure of the capsule to lock the clip in the capsule in a closed configuration. The apparatus also comprises a tension member releasably coupling the clip to a proximal end of the device which, during use, remains accessible to a user. The tension member is coupled to the clip by a joint designed to release when subject to a predetermined load to separate the clip from the device, release of the joint releasing the locking member to engage the first locking structure. | 07-12-2012 |
20120232639 | Intraluminary Stent Relocating Apparatus - An apparatus for moving an object disposed within a body lumen. The apparatus includes a first sheath, a coupling member and at least one contraction member for engaging at least a portion of the object. The coupling member is movable relative to the first sheath between a retracted position and a capture position. In the retracted position, a distal portion of the coupling member is disposed within the first sheath. In the capture position, the coupling member distal portion is disposed outside the first sheath. The coupling member is also selectively attachable to the object in at least the capture position. When the coupling member is attached to the object and the contraction member is directly engaged with the object, a predetermined coupling member movement relative to the contraction member radially contracts at least a portion of the object thereby facilitating movement of the object within the body lumen. | 09-13-2012 |
20130123807 | Through the Scope Tension Member Release Clip - An apparatus for deployment of a hemostatic clip includes a clip assembly releasably coupled to a distal portion of a shaft, wherein the clip assembly includes a capsule releasably coupled to the shaft, clip arms slidably received within the capsule and cooperating with the capsule to provide a first user feedback indicating a decision configuration of the clip assembly and a yoke slidably received within the capsule, the yoke including proximal and distal portions releasably and rotatably connected to one another via a first control wire, a distal end of the distal portion being connected to proximal ends of the clip arms. A second control wire extends from the handle assembly and is coupled to a proximal end of the second portion to move the clip assembly between open and closed configurations. | 05-16-2013 |
20130144117 | INTEGRATED LOCKING DEVICE WITH PASSIVE SEALING - Endoscope assemblies, biopsy caps, and methods for making and using the same. An example endoscope assembly may include an endoscope having a channel formed therein and a port that provides access to the channel. A cap may be coupled to the port. The cap may include a base having a securing member for securing the cap to the port, an outer shell, a locking member coupled to the outer shell, an inner seal member, and a central opening that extends to the channel. The inner seal member may include a plurality of flaps. | 06-06-2013 |
20130245747 | Anti-migration features and geometry for a shape memory polymer stent - A radially-expandable stent for implantation in a bodily passageway, being expandable from an initial unexpanded state to an expanded state, having an outer surface with a geometric pattern covering said outer surface to minimize migration after implantation is provided. Also provided is a method of manufacturing such a stent. | 09-19-2013 |
20130274685 | RAPID EXCHANGE ENTERAL STENT DELIVERY SYSTEM - Devices for palliating gastrointestinal strictures using rapid exchange type enteral stent placement catheters. The catheter may include an inner member and an outer member, with the two members being slidable with respect to one another. In various device embodiments, a ramp for directing a guidewire out from within the catheter is provided using portions of the outer member or a shaped mandrel. The inner member may take a number of forms, including a tubular distal portion, a skived or integrally attached elongate midsection, and a proximal portion. A mandrel can be used in a portion proximal of the guidewire ramp, with the mandrel taking one of several disclosed forms. | 10-17-2013 |
20140121642 | DUAL FUNCTION MEDICAL DEVICES - Medical devices and methods for making and using medical devices are disclosed. An example medical device may include a dual function medical device. The dual function medical device may include an inner guidewire. An outer guidewire may be disposed about the inner guidewire. The outer guidewire may include a tubular member having a plurality of slots formed therein. A torque member may be coupled to the dual function medical device. The torque member may be configured to independently attach to the inner guidewire and the outer guidewire. | 05-01-2014 |