Prosthetic device couplings

Details Prosthetic device couplings Prosthetic device couplings

1978-05-19

1980-11-18

Eickholt, E. H.

A61F 122

Patent

active

042336902

ABSTRACT:
A prosthetic element is securely joined to a natural element of the human body using a ductile metal alloy coupling member which has a transition-temperature range and which has been deformed from its original shape at a temperature below its transition-temperature. Heating the coupling member to a temperature above the transition temperature, as by passing electric current therethrough, causes the coupling to try to return to its original shape and effect a secure joinder.
A prosthetic device for long-term implantation in the human body can be made by using such a coupling element to join a circumscribing member, e.g., a sewing cuff, to a generally tubular, rigid portion of a prosthetic device, e.g., a heart valve body.

REFERENCES:
patent: 3786806 (1974-01-01), Johnson et al.
patent: 3859668 (1975-01-01), Anderson

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