Stent with improved ring and link pattern
First Claim
Patent Images
1. An intravascular stent for use in a body lumen, comprising:
- a plurality of cylindrical rings aligned along a longitudinal axis, each ring having a) a first, delivery diameter, b) a second, implanted diameter, c) proximal and distal ends defining a generally cylindrical wall extending circumferentially between the proximal and distal ends, and (d) wherein such generally cylindrical wall is defined by a series of undulations of preselected amplitudes which are in turn defined by bar arms that interconnect peaks and valleys, wherein undulations of a relatively large amplitude are separated by at least one undulation of a relatively small amplitude and wherein at least one bar arm interconnecting a peak of each large amplitude undulation with a valley of a small amplitude undulation is non-linear; and
at least one link connecting each cylindrical ring to an adjacent ring to form the stent.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention is directed to an expandable stent for implanting in a body lumen, such as a coronary artery, peripheral artery, or other body lumen. The invention provides for an intravascular stent having a plurality of cylindrical rings connected by links. The rings are defined by undulations of relatively large and relatively small amplitudes wherein bar arms extend between peaks and valleys and wherein selected bar arms are non-linear. The links connecting the cylindrical rings are non-linear.
48 Citations
29 Claims
-
1. An intravascular stent for use in a body lumen, comprising:
-
a plurality of cylindrical rings aligned along a longitudinal axis, each ring having a) a first, delivery diameter, b) a second, implanted diameter, c) proximal and distal ends defining a generally cylindrical wall extending circumferentially between the proximal and distal ends, and (d) wherein such generally cylindrical wall is defined by a series of undulations of preselected amplitudes which are in turn defined by bar arms that interconnect peaks and valleys, wherein undulations of a relatively large amplitude are separated by at least one undulation of a relatively small amplitude and wherein at least one bar arm interconnecting a peak of each large amplitude undulation with a valley of a small amplitude undulation is non-linear; and
at least one link connecting each cylindrical ring to an adjacent ring to form the stent. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. An intravascular stent for use in a body lumen, comprising:
-
a plurality of cylindrical rings aligned along a longitudinal axis, each ring having a) a first, delivery diameter, b) a second, implanted diameter, c) proximal and distal ends defining a generally cylindrical wall extending circumferentially between the proximal and distal ends, and d) wherein such generally cylindrical wall is defined by a series of undulations of preselected amplitudes which are in turn defined by bar arms that interconnect peaks and valleys, wherein undulations of a relatively large amplitude are separated by at least one undulation of a relatively small amplitude and wherein at least one bar arm interconnecting a peak of each large amplitude undulation with a valley of a small undulation is non-linear; and
at least one link connecting each cylindrical ring to an adjacent ring to form the stent;
the small amplitude undulation having a peak with a curved crest;
the peak of the large amplitude undulation being connected to a linear bar arm on one side and the non-linear bar arm extending to the small amplitude undulation on the other side.
-
Specification