Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1983-06-30
1986-12-09
Swisher, Nancy A. B.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604891, 604 84, 623 2, A61M 1100
Patent
active
046278362
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: 3896812 (1975-07-01), Kurtz
patent: 4281669 (1981-08-01), MacGregor
patent: 4355426 (1982-10-01), MacGregor
patent: 4360019 (1982-11-01), Portner et al.
patent: 4378016 (1983-03-01), Lock
patent: 4479796 (1984-10-01), Kallok
Schubert et al., An Impl. Artf. Pancreas, Med. & Bio. Eng. 1980, vol. 18, 1980, 527-537.
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