Intravascular stent with limited axial shrinkage

Details Intravascular stent with limited axial shrinkage Intravascular stent with limited axial shrinkage

1997-04-16

1999-02-09

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606194, 623 1, 623 12, A61M 2900

Patent

active

058687831

ABSTRACT:
A radially expandable stent for implantation in a body blood vessel includes a pair of cylindrically shaped end portions made from a malleable metal and formed in a radially expandable fashion. According to the invention, the end portions are joined by a plurality of individual longitudinal wire members such that upon radial expansion of the stent, such as through use of a balloon catheter, the stent expands radially with a minimum of lateral shrinkage. Preferably, the longitudinal wire members are wrapped to the end portions to form flexible hinging sites upon expansion.

REFERENCES:
patent: 4718907 (1988-01-01), Karwoski et al.
patent: 4733665 (1988-03-01), Palmaz
patent: 5161547 (1992-11-01), Tower
patent: 5217483 (1993-06-01), Tower
patent: 5383892 (1995-01-01), Cardon et al.
patent: 5613981 (1997-03-01), Boyle et al.
patent: 5643279 (1997-07-01), Trotta

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