Flexible self-expandable stent and method of producing the same

Details Flexible self-expandable stent and method of producing the same Flexible self-expandable stent and method of producing the same

2006-05-09

2006-05-09

Stewart, Alvin J. (Department: 3738)

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

Arterial prosthesis

Stent in combination with graft

C623S001440, C623S001510, C623S001530

Reexamination Certificate

active

07041126

ABSTRACT:
A flexible self-expandable stent has inside and outside stent bodies each fabricated by knitting first and second super-elastic shape memory alloy wires into a net-like structure with the first wire zigzagged with a diagonal length P interlocked with the second wire zigzagged with a diagonal length2P at a plurality of interlocked points with intersecting points therebetween to allow the stent bodies to apply force against longitudinal contraction of the stent bodies. The interlocked points and the intersecting points form a plurality of diamond-shaped meshes in the net-like structure of each stent body. A hollow rubber tube is closely fitted between the inside and outside stent bodies, with each of the overlapped ends of the rubber tube and the stent bodies being integrating into a single structure.

REFERENCES:
patent: 5522881 (1996-06-01), Lentz
patent: 5667523 (1997-09-01), Bynon et al.
patent: 5718159 (1998-02-01), Thompson
patent: 6168619 (2001-01-01), Dinh et al.

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