Patent classifications
A61F2002/91583
STENTS WITH INCREASED FLEXIBILITY
Stents that are adapted to be balloon-expanded and include a plurality of rings of repeating cells, wherein adjacent rings are connected by s-shaped or omega-shaped crosslink connectors or a combination of both connectors. The configurations, materials, and/or dimensions of these devices, including the unit cells and/or crosslink connectors allow the stents to be expanded to a greater extent (e.g., up to or greater than 12 mm of diameter), and optionally with reduced foreshortening and without increasing the strain on the materials forming the crosslink connectors and unit cells. The biphasic arrangement of trapezoidal unit cells, as well as the configuration and arrangement of the s-shaped connectors, may allow these stents to expand while maintaining their radial compression strength and longitudinal compression strength with minimal recoil and stent foreshortening.
DEVICE AND METHOD FOR TACKING PLAQUE TO BLOOD VESSEL WALL
A tack device for holding plaque against blood vessel walls in treating atherosclerotic occlusive disease can be formed as a thin, annular band of durable, flexible material. The tack device may also have a plurality of barbs or anchoring points on its outer annular periphery. The annular band can have a length in the axial direction of the blood vessel walls that is about equal to or less than its diameter as installed in the blood vessel. A preferred method is to perform angioplasty with a drug eluting balloon as a first step, and if there is any dissection to the blood vessel caused by the balloon angioplasty, one or more tack devices may be installed to tack down the dissected area of the blood vessel surface.
AUXETIC STENTS FOR MANAGING VENOUS STENOSIS
Stents useable for treating venous stenosis are disclosed. In embodiments, a stent is configured to be auxetic, expanding axially as it is expanded radially, to prevent the imposition of tension on portions of a blood vessel adjacent to the stented portion of the blood vessel, and thereby prevent a narrowing of the adjacent portions and improving luminal gain. The stent may include one or more cross members that are deformable axially, to allow the axial length of the stent to be adjusted while maintaining a constant diameter, and further to allow the stent to be curved to conform to vessel curvature.
Implantable device with bridge
This invention relates to an implantable device for a physiologic sensor, comprising an implantable expandable anchor, a bridge on which the sensor is secured, as well as an optional adapting ring. The invention also relates to a method of monitoring bodily functions using the anchor and sensor. The anchor is compressed and the bridge assumes an elongated shape during delivery to a target lumen. Upon deployment at the target site, the anchor expands and the bridge bows into the interior lumen of the expanded anchor, distancing the sensor from the vessel wall. This invention also relates to a method of manufacturing said device and a method of implanting a sensor.
Methods and apparatus for treating neurovascular venous outflow obstruction
Methods and devices are disclosed for treating neurovascular venous outflow obstructions, with or without implantation of a prosthetic valve. The valve may be carried by a support, such as a stent, which may be self-expandable or balloon expandable. Both transvascular and direct surgical access is contemplated.
Advanced endovascular graft
This invention is a system for the treatment of body passageways; in particular, vessels with vascular disease. The system includes an endovascular graft with a low-profile delivery configuration and a deployed configuration in which it conforms to the morphology of the vessel or body passageway to be treated as well as various connector members and stents. The graft is made from an inflatable graft body section and may be bifurcated. One or more inflatable cuffs may be disposed at either end of the graft body section. At least one inflatable channel is disposed between and in fluid communication with the inflatable cuffs.
STENT-GRAFT
A stent-graft comprises: a graft defining an elongate lumen having a longitudinal axis; an external stent having a plurality of struts and apices between the struts, the apices including proximal apices and distal apices; a set of proximal sutured knots, the proximal sutured knots securing the proximal apices of the stent to the graft; a set of distal sutured knots, the distal sutured knots securing the distal apices of the stent to the graft; and a plurality of intermediate sutured knots, formed along a continuous suture, the continuous suture including a plurality of bridging portions, the bridging portions bridging between neighbouring struts of the stent, the intermediate sutured knots securing struts of the stent to the graft.
IMPLANTABLE STENT
Implantable stents that include strips that are each comprised of main struts connected by first connectors, and adjacent strips are connected by second connectors. The strut connectors have a structure, including areas of expanded or reduced width or thickness, to account for venous applications. When used for venous applications, the stents convey benefit from configurations that improve flexibility (due to the greater elasticity of venous applications) while maintaining enough stiffness to resist pressure on the venous structure in selected areas (such as for the May-Thurner syndrome). The stents include particular structural characteristics that are particularly advantageous for (although not limited to) venous applications.
GRADUALLY RESTRICTING VASCULAR BLOOD FLOW
Disclosed are implant and method for gradually restricting vascular blood flow in a host blood vessel. The implant N comprising an elongated body and at least one holding member. Implant body comprising a flow restricting portion enclosing a variable minimal internal diameter. Holding member is configured for restraining implant body to maintain the variable minimal internal diameter in a first minimal internal diameter, and to physically yield voluntarily after a first predetermined average duration of being continuously subjected to internal human body conditions, thereby releasing and allowing the implant body to elastically deform voluntarily such that the variable minimal internal diameter changes to a second minimal internal diameter, smaller than the first minimal internal diameter.
Graft with expandable region and methods of making and using the same
A vascular graft suitable for implantation, and more particular to a vascular graft having an expandable outflow region for restoring patency of the graft after implantation into a body lumen.