Porous flexible vascular graft

Details Porous flexible vascular graft Porous flexible vascular graft

1979-11-20

1982-10-26

Frinks, Ronald L.

Surgery

Truss

Pad

128334R, A61F 124

Patent

active

043554261

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 of 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: 3855638 (1974-12-01), Pilliar
patent: 4011861 (1977-03-01), Enger
patent: 4173689 (1979-11-01), Lyman et al.
"Expanded Polytetrafluoro-Ethylene as a small Artery Substitute", by C. D. Campbell et al., Transactions Amer. Society for Artificial Internal Organs, vol. XX-A, Apr. 3-5, 1974, pp. 86-90.
USCI Debakey Vasculour-D Bifurcated (Seamed) Velour Graft, (Advertisement) USCI, A Division of C. R. Bard. Inc. Billerica, Mass., Aug. 1974.

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