×

Cardiac valve

  • US 5,344,442 A
  • Filed: 05/15/1992
  • Issued: 09/06/1994
  • Est. Priority Date: 05/16/1991
  • Status: Expired due to Term
First Claim
Patent Images

1. A cardiac valve comprising a plurality of flexible membranes, each membrane having edges and first and second ends, strengthening means joining the edges of adjacent ones of said membranes to form an unsupported body, said first ends together forming an oval end of said body, and said second ends forming a plurality of free apical ends of said body, each apical end being integral to the body and having a length to permit direct attachment to papillary muscles of a recipient, said body having a pair of oppositely-disposed flexible flaps integral with and extending from said oval end and between the apical ends and arranged to coapt during systole to close the valve and to separate during diastole to open the valve, said strengthening means extending between each apical end and the oval end to support force between the papillary muscles and the oval end.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×