×

Trileaflet type prosthetic heart valve

  • US 4,364,127 A
  • Filed: 10/02/1981
  • Issued: 12/21/1982
  • Est. Priority Date: 10/02/1981
  • Status: Expired due to Fees
First Claim
Patent Images

1. A prosthetic trileaflet type heart valve comprising:

  • 1. a frame having a ring shaped base and three upstanding struts;

    said base further provided with a groove in its external surface to receive a thin fabric or the like suture element;

    2. a one piece membrane formed on said frame to provide three leaflets of the valve;

    said formed leaflets being heat set in a partially open position to reduce the pressure required to open the leaflets by blood flowing through the prosthetic valve.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×