04172295 is referenced by 114 patents and cites 2 patents.

This invention relates to improvements in a tri-cuspid tissue prosthetic heart valve having a valve body with sewing holes provided at each interval between the cusps of the valve, which improvements are realized by the formation of the tissue from three pieces joined together at seams disposed along the intervals between the cusps of the valve.

Title
Tri-cuspid three-tissue prosthetic heart valve
Application Number
5/873049
Publication Number
4172295
Application Date
January 27, 1978
Publication Date
October 30, 1979
Inventor
Richard J Batten
Yorba Linda
CA, US
Agent
Knobbe Martens Olson Hubbard & Bear
Assignee
Shiley Scientific
CA, US
IPC
A61F 1/22
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