Low-pressure fixation of valvular tissue intended for implantati

Details Low-pressure fixation of valvular tissue intended for implantati Low-pressure fixation of valvular tissue intended for implantati

1982-07-09

1984-04-24

Apley, Richard J.

Plastic article or earthenware shaping or treating: apparatus

Projection

425 2, 69 19, A61F 104, C14B 126

Patent

active

044438958

ABSTRACT:
A method of obtaining fixation of an animal aortic valve intended for implantation, including subjecting the aortic valve to a tanning fluid at a differential pressure across the valve leaflets in a direction to urge the valve leaflets closed and with the tanning fluid tending to distort the aortic valve. The differential pressure across the valve leaflets is greater than zero and less than about four mm Hg. An insert restrains the valve against substantial distortion during the time the valve is subjected to the tanning fluid.

REFERENCES:
patent: 3620218 (1971-11-01), Schmitt
patent: 3655306 (1972-04-01), Ross et al.
patent: 3966401 (1976-06-01), Hancock et al.
patent: 4050893 (1977-09-01), Hancock et al.
patent: 4247292 (1981-01-01), Angeu
patent: 4345340 (1982-08-01), Rosen
patent: 4350492 (1982-09-01), Wright et al.

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