Method of forming a small bore flexible vascular graft involving

Details Method of forming a small bore flexible vascular graft involving Method of forming a small bore flexible vascular graft involving

1982-02-23

1984-07-10

Anderson, Philip E.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

3 1, 264 459, 264 49, 264257, B29D 2704

Patent

active

044592523

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: 3700380 (1972-10-01), Kitrilakis
patent: 3865638 (1974-12-01), Pilliar
patent: 4011861 (1977-03-01), Enger
patent: 4173689 (1979-11-01), Lyman et al.
"USCI Debakey Vasculour-D Bifurcated (Seamed) Velour Graft", Bulletin, Billerica, Mass., USCI, A Div. of C. R. Bard, Inc., Aug. 1974, 2 pp.
Campbell, C. D., D. Goldfarb; D. D. Petton; R. Roe; K. Goldsmith; and E. B. Dietarich, "Expanded Polytetrafluoro-Ethylene as a Small Artery Substitute", In Trans. Amer. Soc. Artif. Organs, vol. XX-A, 1974, pp. 86-90; cover.

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