Artificial vessel having excellent patency

Details Artificial vessel having excellent patency Artificial vessel having excellent patency

1986-08-20

1988-02-16

Apley, Richard J.

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

Arterial prosthesis

Stent structure

623 12, 623 66, 521905, 521916, A61F 206

Patent

active

047252731

ABSTRACT:
An artificial vessel having an excellent patency, wherein the vessel wall is made of an elastomer having a porous structure and the contact surface with blood has pores with a mean diameter of from 1 to 100 .mu.m and holes with a mean diameter of from 0.01 to 10 .mu.m.
The artificial vessel may also be reinforced with tubular material made of fiber or with heat-set tubular material made of fiber so that the vessel has a stress-strain curve approximate to that of a vital vessel or the vessel can be subjected to sterilization by boiling or by high-pressure steam.
The artificial vessel has the porosity, contact surface with blood suited for encapsulation, and an excellent patency as well as a compliance approximate to that of a vital vessel.

REFERENCES:
patent: 4173689 (1979-11-01), Lyman et al.
patent: 4208745 (1980-06-01), Okita
patent: 4254180 (1981-03-01), Kline
patent: 4286341 (1981-09-01), Greer et al.
patent: 4355426 (1982-10-01), MacGregor
patent: 4499211 (1985-02-01), Walch et al.
patent: 4524155 (1985-06-01), Walch et al.
patent: 4550447 (1985-11-01), Seiter, Jr. et al.
patent: 4553272 (1985-11-01), Mears
patent: 4657544 (1987-04-01), Pinchuk
patent: 4661530 (1987-04-01), Gogolenski et al.

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