Method of making unitized three leaflet heart valve
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United States of America Patent
Stats
-
May 5, 1981
Issued Date -
N/A
app pub date -
Jan 22, 1980
filing date -
Dec 14, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An artificial heart valve comprising a semi-rigid framework having three projecting symmetrical struts and open axially therethrough, as well as a polyurethane elastomeric membrane attached to the struts and constituting three leaflets, is formed by molding the framework, including the base and strut, using polyurethane resin; forming the elastomeric membrane, of polyurethane resin which is thin relative to the framework, and forming a thickened commissure along the leading edge of the membrane as well as reinforcing lines radiating from its base; then joining the framework with the elastomeric membrane using an adhesive cement so as to permanently bond the membrane to the framework.
First Claim
Family
International Classification(s)
Cited Art Landscape
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