04373216 is referenced by 207 patents and cites 13 patents.

Heart valves having valve members which are guided between their open and closed positions by projections extending inward from the annular body and interengaging with complementary notches in the peripheries of the occluders. Protuberances associated with the projections cooperate to define the pivotal axes, serve as open and closed position stops, and retain the valve members within the valve body.

Title
Heart valves having edge-guided occluders
Application Number
200910
Publication Number
4373216
Application Date
September 15, 1981
Publication Date
February 15, 1983
Inventor
Jerome J Klawitter
Austin
TX, US
Agent
Fitch Even Tabin Flannery & Welsh
Assignee
Hemex
TX, US
IPC
A61F 1/22
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