Stent for placement in a body tube

Details Stent for placement in a body tube Stent for placement in a body tube

1995-11-22

1997-10-07

Zuttarelli, P.

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

Arterial prosthesis

Stent structure

623 11, 623 12, A61F 206

Patent

active

056742770

ABSTRACT:
A stent for placement in a body tube includes a flexible support structure composed of an elastomer which is hard in a temperature range lower than 25.degree. C. and soft in a temperature range greater 35.degree. C. The flexible support structure may be embedded in a hollow cylindrical casing of an elastic synthetic material which has a limited elasticity at least at body temperature, wherein the casing is composed of an elastomer which is hard in a temperature range lower than 25.degree. C. and soft in a temperature range greater than 35.degree. C. The casing in which the flexible support structure is embedded may also be of a memory elastomer, particularly on the basis of polyurethane.

REFERENCES:
patent: 3822238 (1974-07-01), Blair et al.
patent: 3975350 (1976-08-01), Hudgin et al.
patent: 4732152 (1988-03-01), Wallsten et al.
patent: 5430121 (1995-07-01), Pudleiner et al.
patent: 5540713 (1996-07-01), Schnepp-Pesch et al.

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