Prosthetic tissue heart valve

Details Prosthetic tissue heart valve Prosthetic tissue heart valve

1976-04-22

1978-04-18

Frinks, Ronald L.

A61F 122

Patent

active

040842681

ABSTRACT:
A tissue heart valve has a cloth-covered stent which provides several layers of padding over the stent edges and an integral sewing ring while maximizing the internal valve diameter for a given size heart annulus. No edges of the cloth are exposed. A continuation of the pledget covers all knots of the stitches connecting the tissue to the stent.

REFERENCES:
patent: 3714671 (1973-02-01), Edwards
patent: 3755823 (1973-09-01), Hancock
patent: 3983581 (1976-10-01), Angell et al.
patent: 3996623 (1976-12-01), Kaster
"Frame-Mounted Tissue Heart Valves: Technique of Construction" by Ivan T. Bartek et al., Thorax, (1974), 29, pp. 51-55.
"Heart Valve Replacement With Autologous Fascia Lata Using the Ionescu Technique" by A. S. Trimble et al., The Journal of Thoracic & Cardiovascular Surgery, vol. 61, No. 3, Mar. 1971, pp. 385-392.
"Heart-Valve Replacement With Autologous Fascia Lata," by M. I. Ionescu, The Lancet, Aug. 6, 1969, pp. 335-338.

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