Medical implant and method of making

Details Medical implant and method of making Medical implant and method of making

1990-08-13

1993-03-09

Isabella, David

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Stent structure

623 66, 623 11, 600 36, A61F 206, A61F 204

Patent

active

051923114

ABSTRACT:
The method of generating a homograft includes preparing a prosthesis composed of a tubular substrate. The substrate is open at each end to permit blood to flow along the length of the substrate inside wall. The substrate is selected to have at least one thrombogenic surface or a thrombogenic mesh material supported by the substrate. The prosthesis is inserted in the lumen of a blood vessel, either a vein or artery, of a living body and anchored in the lumen of the vessel to prevent the substrate from moving along the vessel with the blood flow. The body generates collagenous growth on the thrombogenic surface of the substrate while the substrate is freely suspended in the blood flow of the vessel. The substrate is then removed from the vessel after which a tubular homograft of collagenous tissue is removed from the substrate.

REFERENCES:
patent: 3425418 (1969-02-01), Chvapil et al.
patent: 3514791 (1970-06-01), Sparks
patent: 3648295 (1972-03-01), Palma
patent: 4319363 (1982-03-01), Ketharanathan
patent: 4539716 (1985-09-01), Bell

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