Vascular prostheses composed of polytetrafluoroethylene and proc

Details Vascular prostheses composed of polytetrafluoroethylene and proc Vascular prostheses composed of polytetrafluoroethylene and proc

1977-08-04

1980-06-24

Lovering, Richard D.

Surgery

Truss

Pad

3 1, 128DIG14, 2642888, 2642893, 2642902, 428376, A61F 124, B29C 1702

Patent

active

042087457

ABSTRACT:
A vascular prosthesis comprising a tubing of porous polytetrafluoroethylene, the polytetrafluoroethylene tubing having a fibrous structure of nodes and fibers connecting the nodes together and having a structure in which the fibrous structure at the inside surface of the tubing is finer than the fibrous structure at the outside surface of the tubing.

REFERENCES:
patent: 3094762 (1963-06-01), Jeckel
patent: 3473087 (1969-10-01), Slade
patent: 3953566 (1976-04-01), Gore
patent: 4061134 (1977-12-01), Samuels et al.
patent: 4082893 (1978-04-01), Okita

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