Implantable graft and methods of making same
First Claim
Patent Images
1. An implantable endoluminal graft, comprising:
- (a) a microporous metal thin film covering having a pattern of microporous openings passing therethrough;
(b) a metal structural support element having at least one affixation member, a pattern of openings passing through the metal structural support element and underlying the microporous metal thin film covering comprised of a metallic material; and
(c) wherein the metal structural support element is attached to the microporous metal thin film covering only at the at least one affixation member.
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Abstract
The present invention relates to an implantable endoluminal graft comprised of a microporous thin-film covering having a plurality of openings and a structural support element underlying and physically attached to the microporous thin-film covering, the microporous thin-film covering having shape memory properties.
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Citations
30 Claims
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1. An implantable endoluminal graft, comprising:
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(a) a microporous metal thin film covering having a pattern of microporous openings passing therethrough; (b) a metal structural support element having at least one affixation member, a pattern of openings passing through the metal structural support element and underlying the microporous metal thin film covering comprised of a metallic material; and (c) wherein the metal structural support element is attached to the microporous metal thin film covering only at the at least one affixation member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. An implantable endoluminal graft, comprising:
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(a) a microporous metal thin film covering comprised of a shape memory alloy having an austenite phase transition start temperature greater than 37°
C. and the microporous metal thin film covering having a pattern of microporous openings passing therethrough; and(b) a structural support element underlying the microporous covering comprised of at least a pair of cylindrical elements and interconnecting members joining adjacent cylindrical elements, the structural support element further comprised of a shape memory alloy having an austenite phase transition start temperature less than 0°
C.;(c) the structural support element being attached to the microporous metal thin film covering at least one point of attachment including an at least one affixation member between the microporous metal thin film covering and the structural support element. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23)
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24. An implantable endoluminal graft, comprising:
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a. a microporous metal thin film covering comprised of nitinol; and b. a structural support element underlying the microporous covering comprised of at least a pair of undulating cylindrical elements having a plurality of peaks and valleys and interconnecting members joining adjacent cylindrical elements at either the peaks or the valleys and having at least one projection extending longitudinally from a terminal cylindrical element, the structural support element being comprised of nitinol, c. the structural support element being joined to the microporous metal thin film covering at the at least one projection. - View Dependent Claims (25, 26, 27, 28, 29, 30)
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Specification