Alternate stent covering for tissue valves
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United States of America Patent
Stats
-
Dec 16, 1986
Grant Date -
N/A
app pub date -
Dec 28, 1983
filing date -
Dec 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthetic heart valve comprising a stent having an annular base and a plurality of legs extending upwardly from said base; a valve element circumscribing said stent and attached thereto, said valving element comprising a number of cooperating valve leaflets equal to the number of said legs; and a layer of biologically-compatible material secured to said stent and positioned between said stent and said leaflets, said layer having a smooth, non-abrasive outer surface and covering all of the surfaces of said stent that, in the absence of said layer, would contact the mobile portions of said leaflets during the normal function of the valve.
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Family
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