Stent
0 Assignments
0 Petitions
Accused Products
Abstract
A stent (10) which may be used in the treatment of stenosis and particularly ostial stenosis. The stent (10) includes a flange member (15) which engages the surrounding wall of an ostium and anchors the stent (10) in its target vessel. A delivery system for a stent (10) is also disclosed, the delivery system including a membrane (109) or a compression member to hold an intraluminal stent (101) in a first radially compressed state until said stent (101) is delivered to a target site.
-
Citations
104 Claims
-
1-54. -54. (canceled).
- 55. An intraluminal stent comprising a tubular body extending from a proximal end to a distal end, said tubular body being capable of expanding or being expanded from a radially compressed state to a radially expanded state wherein, when at least in the radially expanded state, the tubular body comprises at least a first flange member positioned at or adjacent to the proximal end of the tubular body and extending outwardly from said tubular body.
-
72. An intraluminal stent comprising a tubular body and a flange member connected to or integral with said tubular body, wherein the tubular body and the flange member are moveable between a radially compressed state and a radially expanded state and wherein further, when in their radially compressed states, the tubular body and the flange member comprise a stent having a substantially uniform cross-sectional diameter and when in their radially expanded states, at least a portion of the flange member has a greater cross-sectional diameter than the cross-sectional diameter of the tubular body.
-
76. A delivery system for the delivery of an intraluminal stent to a target vessel, said delivery system comprising an introducer catheter having an elongate tubular body to allow the passage therethrough of a placement catheter, said placement catheter having an elongate body which extends from a proximal end to a distal end and which carries the intraluminal stent at a position intermediate said proximal end and said distal end;
- the delivery system further comprising a membrane which engages at least a portion of the intraluminal stent such that said portion of the stent is prevented from moving from a first radially compressed state to a second radially expanded state.
-
83. A delivery system for the delivery of an intraluminal stent to a target vessel, said intraluminal stent being movable from a first radially compressed state to a second radially expanded state at a target site within the vessel, said delivery system comprising a catheter which in turn comprises an elongate body which extends from a proximal end to a distal end wherein the elongate body extends through an internal lumen of the intraluminal stent such that said intraluminal stent substantially surrounds a portion of the catheter;
- the delivery system further comprising at least one compression member which holds the intraluminal stent in its first radially compressed state and a release member which causes release of the compression member and allows the intraluminal stent to move to its second radially expanded state.
- View Dependent Claims (84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103)
-
104. A delivery system for the delivery of an intraluminal stent to a target vessel, said delivery system comprising an introducer catheter having an elongate tubular body to allow the passage therethrough of a placement catheter, said placement catheter having an elongate body which extends from a proximal end to a distal end and which carries the intraluminal stent at a position intermediate said proximal end and said distal end;
- the delivery system further including a membrane around the intraluminal stent said membrane holding the intraluminal stent in a radially compressed configuration and wherein said membrane comprises a first section and a second section, said first and second sections demarcated by a region of weakness in the membrane.
Specification