Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Arterial prosthesis – Stent structure
Patent
1991-04-19
1993-03-09
Beck, Shrive
Prosthesis (i.e., artificial body members), parts thereof, or ai
Arterial prosthesis
Stent structure
623901, 427 2, 427230, 427235, 427322, A61F 206
Patent
active
051923084
ABSTRACT:
A vascular prosthesis is made by wetting a porous polyester fiber tubing with water until it gains close to maximum amount of weight, removing excess liquid from inside the tubing, repeatedly contacting the inside surface of the tubing with a solution of a biocompatible polymer in a water-immiscible solvent to adsorb some solution on the inside surface of the tubing, and removing excess solution, then removing solvent from the adsorbed solution to form a nonporous elastomer coating of the desired thickness on the inside surface of the tubing.
REFERENCES:
patent: 2838799 (1958-06-01), Meister
patent: 3066720 (1962-12-01), Fontaine
patent: 3524755 (1970-08-01), Hochberg
patent: 3912834 (1975-10-01), Imai et al.
patent: 3931437 (1976-01-01), Civardi et al.
patent: 4460747 (1984-07-01), Horak et al.
patent: 4634447 (1987-01-01), Isono et al.
patent: 4784880 (1988-11-01), Coplan et al.
patent: 4840819 (1989-06-01), Williams et al.
Beck Shrive
Dudash Diana
E. I. Du Pont de Nemours and Company
Steyermark Paul R.
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