COLLAPSIBLE PROSTHETIC HEART VALVES
2 Assignments
0 Petitions
Accused Products
Abstract
Prosthetic heart valves, which are collapsible to a relatively small circumferential size for less invasive delivery into a patient and which then re-expand to operating size at an implant site in the patient, include a collapsible/expandable stent-like supporting structure and various components of flexible, sheet-like material that are attached to the supporting structure. For example, these sheet-like other components may include prosthetic valve leaflets, layers of buffering material, cuff material, etc. Improved structures and techniques are provided for securing such other components to the stent-like supporting structure of the valve.
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Citations
21 Claims
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1. (canceled)
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2. A prosthetic heart valve comprising:
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an annularly collapsible and re-expandable supporting structure extending between an inflow end and an outflow end; a plurality of leaflets disposed inside the supporting structure; and a lower skirt disposed adjacent the inflow end of the supporting structure, the lower skirt including a first layer disposed on a luminal surface of the supporting structure, and a second layer disposed on an abluminal surface of the supporting structure, the first layer and the second layer being continuous and at least partially overlapping one another. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A prosthetic heart valve comprising:
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an annularly collapsible and re-expandable supporting structure extending between an inflow end and an outflow end; a plurality of leaflets disposed inside the supporting structure; and a lower skirt disposed adjacent the inflow end of the supporting structure, the lower skirt including a single continuous sheet that extends from a luminal surface of the supporting structure, wraps around the inflow end and extends over a portion of the abluminal surface of the supporting structure. - View Dependent Claims (17, 18, 19, 20)
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21. A prosthetic heart valve comprising:
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an annularly collapsible and re-expandable supporting structure extending between an inflow end and an outflow end; a plurality of leaflets disposed inside the supporting structure; and a lower skirt disposed adjacent the inflow end of the supporting structure, the lower skirt including a first portion disposed on a luminal surface of the supporting structure, and a second portion disposed on an abluminal surface of the supporting structure, the first portion and the second portion being continuous and at least partially overlapping one another.
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Specification