Stent

Details Stent Stent

2011-07-26

2011-07-26

Houston, Elizabeth (Department: 3731)

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

Arterial prosthesis

Stent structure

Reexamination Certificate

active

07985251

ABSTRACT:
A stent having a generally tubular body formed of ring units formed of a plurality of cells each and expandable in the radial direction, wherein each ring unit is constituted of cells connected to one another above and below, arranged to surround the center line of the stent, the ring units are arranged in the axial direction of the stent, and are connected with connector portions, each connector portion is formed of curved portions each having an arch and a generally linear portion continued thereto, 3 to 8 cells are arranged in the axial direction per 10 mm of the length of the stent, and the ratio of the length of the cell in the axial direction and the length of the connector portion is determined such that on the basis that when the length of the cell is 100, that of the connector portion50to100, thereby securing flexibility and radial sustaining force.

REFERENCES:
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patent: 6200334 (2001-03-01), Jang
patent: 6669722 (2003-12-01), Chen et al.
patent: 6749629 (2004-06-01), Hong et al.
patent: 2002/0123798 (2002-09-01), Burgermeister
patent: 11-505441 (1999-05-01), None
patent: 2000-42119 (2000-02-01), None
patent: 99/38457 (1999-08-01), None

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