Parallel flow endovascular stent and deployment apparatus theref

Details Parallel flow endovascular stent and deployment apparatus theref Parallel flow endovascular stent and deployment apparatus theref

1994-01-24

1995-04-04

Pellegrino, Stephen C.

Surgery

Instruments

Internal pressure applicator

623 1, A61M 2900

Patent

active

054033411

ABSTRACT:
A pressure expandable stent device having a first internal diameter and subsequently expandable to a second internal diameter. The stent device comprises an elongate wire member having first and second ends and a multiplicity of radius bends formed at spaced locations formed along the length thereof. Each of the bends forms an angle of approximately 180.degree. so as to define therebetween multiple straight segments of the wire members which are disposed in generally parallel, convoluted relation to one another. The first and second ends of the wire members are positioned in co-axial alignment and fused to one another. The fusing of the first and second ends of the wire member to each other causes the straight segments to assume a cylindrical array about a longitudinal axis which defines an internal flow channel of the first internal diameter therewithin. The stent device is radially expandable to a configuration where the internal flow channel is of the second internal diameter.

REFERENCES:
patent: 4580568 (1986-04-01), Gianturco
patent: 4950227 (1990-08-01), Savin et al.
patent: 5035706 (1991-07-01), Giantureo et al.
patent: 5108416 (1992-04-01), Ryan et al.
patent: 5135536 (1992-08-01), Hillstead
patent: 5282824 (1994-02-01), Gianturco
patent: 5292331 (1994-03-01), Boneau

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