Dynamic fixation of porcine aortic valves

Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Internal tissues

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623 2, 623 3, A61F 122

Patent

active

052796124

ABSTRACT:
A method of preserving porcine heart valves so that they may be incorporated into prosthetic heart valves for human implant. During fixation, the leaflets of the valves are repeatedly flexed throughout their full range of motion. Flexing of the leaflets continues throughout fixation, and is accomplished by providing for alternating fluid flow through the valve from the inflow and outflow sides sufficient to cause the leaflets to fully open and close.

REFERENCES:
patent: 3966401 (1976-06-01), Hancock
patent: 4372743 (1983-02-01), Lane

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