Replacement heart valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 13, 2004
Grant Date -
Sep 26, 2002
app pub date -
May 21, 2002
filing date -
Nov 1, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthetic heart valve has leaflets made of a thin and flexible material. The side edges of adjacent leaflets are sewn together so as to form a substantially tubular valve structure having an in-flow end and an out-flow end. Each of the leaflets is adapted to flex inwardly into and out of engagement with another leaflet so as to close and open the valve in response to force by blood pressure. The leaflets are configured so that a portion of the inner face of each leaflet is in a facing relationship with a portion of the inner face of an adjacent leaflet.
First Claim
Family
International Classification(s)
Cited Art Landscape
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