Stent with dual support structure
0 Assignments
0 Petitions
Accused Products
Abstract
A intraluminal stent comprises a reticulated tube having an un-deployed diameter and expandable to an enlarged diameter. The tube includes a structural beam extending between first and second ends. The structural beam changes from a first geometry to a second geometry when the tube changes from the un-deployed diameter to the enlarged diameter. The structural beam includes first and second longitudinal elements each extending at least partially between the first and second ends and with a spacing between the first and second elements. Each of said first and second elements changes from the first geometry to the second geometry when the tube changes from the un-deployed diameter to the enlarged diameter for the spacing to remain substantially unchanged as the tube changes from the un-deployed diameter to the enlarged diameter.
-
Citations
41 Claims
-
1-10. -10. (canceled)
-
11. A stent comprising:
a reticulated tube having an undeployed diameter and an enlarged diameter, wherein the tube comprises a structural beam extending between a first end of the tube and a second end of the tube; and
wherein the structural beam comprises;
(a) a first and second longitudinal element, each element extending at least partially between the first and second ends of the tube; and
(b) a slot between the first and the second longitudinal elements wherein the width of the slot remains substantially unchanged as the tube expands from the undeployed diameter to the expanded diameter and wherein the structural beam changes from a first geometry to a second geometry when the tube changes from the undeployed diameter to the enlarged diameter. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23)
-
24. A stent comprising:
-
a stent body expandable between an undeployed orientation and a deployed orientation;
the stent body having cell defining portions including first and second longitudinal segments which are fixedly attached to each other at opposite ends thereof;
wherein the first and second longitudinal segments each comprise;
(a) a first and second longitudinal element, each element extending at least partially between the first and second ends of the longitudinal segment; and
(b) a slot between the first and the second longitudinal element. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36)
-
-
37. A stent comprising:
-
a stent body expandable between an undeployed orientation and a deployed orientation;
the stent body having cell defining portions with opposing surfaces defining an open cell bounded by the cell defining portions, the cell having a major axis and a minor axis;
the cell defining portions including first and second longitudinal segments each of which includes;
a. a longitudinal axis extending parallel to the cell major axis, the longitudinal axis being positioned on opposite sides of the cell major axis; and
b. an undulating pattern that defines a plurality of peaks and valleys spaced outwardly and inwardly, respectively, from the longitudinal axes;
the first and second longitudinal segments being interconnected at opposite ends thereof;
the stent body further including first and second longitudinal connection locations at interconnection points of the interconnected first and second longitudinal segments for connection of the cell to first and second longitudinally adjacent cells, respectively, and first and second transverse connection locations on the first and second longitudinal segments, respectively, for connection of the cell to first and second transversely adjacent cells, respectively;
the cell defining portions being symmetrical about both the major axis and the minor axis;
the first and second longitudinal connection locations being positioned on the major axis, and the first and second transverse connection locations being positioned on the minor axis;
sets of substantially parallel portions that interconnect the peaks and valleys; and
wherein the peaks have a width that is smaller than the width of the substantially parallel portions. - View Dependent Claims (38, 39, 40, 41)
-
Specification