Patent application number | Description | Published |
20110270381 | METHODS AND APPARATUS FOR STENTING COMPRISING ENHANCED EMBOLIC PROTECTION COUPLED WITH IMPROVED PROTECTIONS AGAINST RESTENOSIS AND THROMBUS FORMATION - Apparatus and methods for stenting are provided comprising a stent attached to a porous biocompatible material that is permeable to endothelial cell ingrowth, but impermeable to release of emboli of predetermined size. Preferred stent designs are provided, as well as preferred manufacturing techniques. Apparatus and methods are also provided for use at a vessel branching. Moreover, embodiments of the present invention may comprise a coating configured for localized delivery of therapeutic agents. Embodiments of the present invention are expected to provide enhanced embolic protection, improved force distribution, and improved recrossability, while reducing a risk of restenosis and thrombus formation. | 11-03-2011 |
20130237950 | LENGTH AND DIAMETER ADJUSTABLE BALLOON CATHETER - Adjustable balloon catheter including an inner tubular member that has an inflation lumen defined therein. An expandable member is coupled to the distal end portion of the inner tubular member and has an inner chamber in fluid communication with the inflation lumen. The expandable member is transitionable between a deflated configuration and an inflated configuration. The expandable member defines has a non-cylindrical shape along at least a portion of a working length thereof when in the inflated configuration. An outer tubular member is movable relative to the inner tubular member, the outer tubular member includes a distal end. The outer tubular member is moveable between an extended position disposed over the expandable member and a retracted position proximal to the extended position. The outer tubular member is selectively positioned between the extended position and the retracted position to define an exposed length of the working length of the expandable member. | 09-12-2013 |
20130253467 | LENGTH AND DIAMETER ADJUSTABLE BALLOON CATHETER - Adjustable balloon catheter including an inner tubular member that has an inflation lumen defined therein. An expandable member is coupled to the distal end portion of the inner tubular member and has an inner chamber in fluid communication with the inflation lumen. The expandable member is transitionable between a deflated configuration and an inflated configuration. The expandable member defines has a non-cylindrical shape along at least a portion of a working length thereof when in the inflated configuration. An outer tubular member is movable relative to the inner tubular member, the outer tubular member includes a distal end. The outer tubular member is moveable between an extended position disposed over the expandable member and a retracted position proximal to the extended position. The outer tubular member is selectively positioned between the extended position and the retracted position to define an exposed length of the working length of the expandable member. | 09-26-2013 |
20130304179 | CATHETER HAVING HYDRAULIC ACTUATOR - Catheter for delivery of a medical device such as a stent or filter includes an inner tubular member and an outer tubular member movable relative to the inner tubular member. The outer tubular member is disposed at the distal end of the inner tubular member. The inner tubular member includes a fluid lumen defined therein, the fluid lumen having a fluid flow port directed to the exterior surface of the inner tubular member. A pressure chamber is defined by the inner tubular member, the outer tubular member, a proximal seal and a distal seal, and is in fluid communication with the fluid flow port, wherein fluid introduced through the fluid flow port and into the pressure chamber applies a force on the proximal seal to move the outer tubular member in a proximal direction allowing the medical device constrained by the outer tubular member to be released. | 11-14-2013 |
20130310853 | METHOD AND APPARATUS FOR PERCUTANEOUS TREATMENT OF A BLOOD VESSEL - Method and apparatus for percutaneous repair of an affected area in a blood vessel. | 11-21-2013 |
20140081134 | MULTI-LUMEN CATHETER - A catheter comprising a first lumen for receiving a guidewire and having an exit opening at a distal tip of the catheter. A second lumen, adjacent the first lumen and separated from the first lumen by a common wall, the second lumen configured for receiving contrast fluid, wherein perforations are formed in the common wall; a guidewire in the first lumen the guidewire being configured to be capable of advancement distally to extend out of the exit opening, the guidewire having two conditions: a first condition in which the guidewire is advanced distally to block the perforations whereby fluid may not flow from the second lumen to the first lumen; a second condition in which the guidewire is withdrawn proximally to unblock the perforations whereby fluid may flow from the second lumen into the first lumen and thence out of the exit opening. | 03-20-2014 |
20140276412 | CATHETER HAVING MOVABLE TUBULAR STRUCTURE - Catheter including an inner tubular member having a proximal end portion, a distal end portion and an exterior surface. The inner tubular member further has a guidewire lumen defined therein. An outer tubular member is movable relative to the inner tubular member, the outer tubular member has a proximal end, a distal end and an interior surface directed toward the exterior surface of the inner tubular member. A movable tubular structure is disposed between the outer tubular member and the inner tubular member. The movable tubular structure includes a body member having an outer surface with a recess defined therein. The outer tubular member is received within the recess to form a trough along a portion of an exterior surface of the outer tubular member. The trough has a filler disposed therein to couple the outer tubular member to the body member of the movable tubular structure. | 09-18-2014 |
20140276530 | LENGTH AND DIAMETER ADJUSTABLE BALLOON CATHETER FOR DRUG DELIVERY - Adjustable balloon catheter including an inner tubular member having a proximal end portion, a distal end portion, an inflation lumen and a fluid lumen defined therein. An expandable member is coupled to the distal end portion and has an inner chamber defined therein in fluid communication with the inflation lumen, the expandable member transitionable between a deflated and inflated configuration. The expandable member further has an exterior surface, the exterior surface having at least one pore structure defined therein in fluid communication with the fluid lumen. An outer tubular member is movable relative to the inner tubular member, the outer tubular member, the outer tubular member being moveable between an extended position and a retracted position, the outer tubular member being selectively positioned between the extended position and the retracted position to define an exposed length of the working length of the expandable member. | 09-18-2014 |
20140276585 | LENGTH ADJUSTABLE BALLOON CATHETER FOR MULTIPLE INDICATIONS - Adjustable balloon catheter including an inner tubular member that has an inflation lumen. An expandable member is coupled to the distal end portion of the inner tubular member and has an inner chamber in fluid communication with the inflation lumen. The expandable member is transitionable between a deflated and an inflated configuration. The expandable member defines has a non-cylindrical shape including a first section having a first diameter in the inflated configuration and a second section having a second diameter when in the inflated configuration. The first diameter is different than the second diameter. An outer tubular member is movable relative to the inner tubular member. The outer tubular member is moveable between an extended position disposed over the expandable member and a fully retracted position proximal to the extended position. The outer tubular member is selectively positioned between the extended position and the fully retracted position. | 09-18-2014 |
20140324157 | METHODS AND APPARATUS FOR STENTING COMPRISING ENHANCED EMBOLIC PROTECTION COUPLED WITH IMPROVED PROTECTIONS AGAINST RESTENOSIS AND THROMBUS FORMATION - Apparatus and methods for stenting are provided comprising a stent attached to a porous biocompatible material that is permeable to endothelial cell ingrowth, but impermeable to release of emboli of predetermined size. Preferred stent designs are provided, as well as preferred manufacturing techniques. Apparatus and methods are also provided for use at a vessel branching. Moreover, embodiments of the present invention may comprise a coating configured for localized delivery of therapeutic agents. Embodiments of the present invention are expected to provide enhanced embolic protection, improved force distribution, and improved recrossability, while reducing a risk of restenosis and thrombus formation. | 10-30-2014 |
Patent application number | Description | Published |
20100299911 | METHODS FOR MANUFACTURING AN ENDOPROSTHESIS - Method for manufacturing an endoprosthesis are described. The method may include selecting an indication range based on a range of inner diameters of a body lumen. A nominal diameter of the endoprosthesis may be selected. A range of chronic outward force, a range of radial force, a range of safety factors, or combinations thereof may be selected. A design characteristic may be determined based on the indication range, the nominal diameter, and at least one of the range of chronic outward force, the range of radial force, and the range of safety factors. The endoprosthesis may be manufactured based on the determined design characteristic. | 12-02-2010 |
20110288563 | CLOSURE DEVICES AND METHODS - A vessel closure device is provided that may include a guide member, one or more needle guides disposed at least partially within the guide member, and an angle adjustment member movably attached to the guide member. The needle guides may be configured to move between a first position wherein the needle guides are substantially straightened at least partially within the guide member and a second position wherein the needle guides at least partially extend radially and distally away from the guide member. The angle adjustment member may be configured to move between a first position and a second position wherein the angle adjustment member can selectively deflect the needle guides radially toward the guide member when the needle guides are in the second position. | 11-24-2011 |
20130190856 | METHODS AND APPARATUS FOR STENTING COMPRISING ENHANCED EMBOLIC PROTECTION COUPLED WITH IMPROVED PROTECTIONS AGAINST RESTENOSIS AND THROMBUS FORMATION - Apparatus and methods for stenting are provided comprising a stent attached to a porous biocompatible material that is permeable to endothelial cell ingrowth, but impermeable to release of emboli of predetermined size. Apparatus and methods are also provided for use at a vessel branching. The present invention further involves porous polymer membranes, suitable for use in medical implants, having controlled pore sizes, pore densities and mechanical properties. Methods of manufacturing such porous membranes are described in which a continuous fiber of polymer is extruded through a reciprocating extrusion head and deposited onto a substrate in a predetermined pattern. When cured, the polymeric material forms a stable, porous membrane suitable for a variety of applications, including reducing emboli release during and after stent delivery, and providing a source for release of bioactive substances to a vessel or organ and surrounding tissue. | 07-25-2013 |