Patent ID: 11911270
Assignee: COOK MEDICAL TECHNOLOGIES LLC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 15:
16. A valve prosthesis comprising:
a substantially cylindrical proximal region;
a distal region;
an intermediate region disposed between the proximal and distal regions, the intermediate region having a taper;
a stent structure;
a valve disposed within the stent structure;
the stent structure comprising:
a proximal most row of elongate closed cells disposed at least partially in the proximal region, each elongate closed cell having a length and a shape;
an intermediate row of elongate closed cells disposed at least partially in the intermediate region and at least partially distally of the proximal most row of elongate closed cells, each elongate closed cell having a length and a shape;
a distal row of elongate closed cells disposed at least partially in the distal region and at least partially distally of the proximal most and second rows of elongate closed cells, each elongate closed cell having a length and a shape;
a covering extending over a plurality of a proximal apices of the proximal most row of elongate closed cells;
wherein the length of each of the elongate closed cells in the intermediate row is less than the length of each of the elongate closed cells in the distal row of elongate closed cells;
wherein the length of each of the elongate closed cells in the proximal most row of elongate closed cells is less than the length of a plurality of the elongate closed cells in the intermediate row of elongate closed cells;
wherein the shape of the elongate closed cells in the proximal most row of elongate closed cells is different than the shape of the elongate closed cells in the intermediate row of elongate closed cells;
wherein each of the elongate closed cells of the proximal most row of elongate closed cells has first and second proximal angled struts having a length and first and second distal angled struts having a length shorter than the length of the first and second proximal angled struts;
wherein the valve is at least partially disposed in within the taper;
wherein the proximal region flares relative to a longitudinal axis of the valve prosthesis; and
wherein the valve tapers inwardly substantially continuously from the proximal region to a distal end of the valve.