Cardiovascular prosthetic devices and implants with porous syste

Details Cardiovascular prosthetic devices and implants with porous syste Cardiovascular prosthetic devices and implants with porous syste

1986-12-08

1990-06-26

Cohen, Lee S.

Surgery

Truss

Pad

128419P, 604 93, 6048901, A61N 105, A61M 3100

Patent

active

049363174

ABSTRACT:
Novel cardiovascular prosthetic devices or implants having many useful cardiovascular applications comprise a porous surface and a network of interconnected interstitial pores below the surface in fluid flow communication with the surface pores. Tissue forms a smooth thin adherent coating or self-determining thickness on the porous surface making it resistant to the formation of the blood clots normally associated with the presence of foreign bodies in the blood stream. The device has particular utility in heart valves, pacemaker electrodes, blood pumps, blood stream filters, an artificial pancreas, vascular access tubes, small and large bore vascular grafts, blood pump diaphragms and vascular and intracardiac patches.

REFERENCES:
patent: 3568660 (1971-03-01), Crites et al.
patent: 3680544 (1972-08-01), Shinnick et al.
patent: 4055178 (1977-10-01), Harrigan
patent: 4146029 (1979-03-01), Ellinwood, Jr.
USCI Catalog, pp. 1-12, Jun. 1974.

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