Multi-cell stent with cells having differing characteristics

Details Multi-cell stent with cells having differing characteristics Multi-cell stent with cells having differing characteristics

1996-06-11

1997-12-16

Weiss, John G.

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

Arterial prosthesis

Stent structure

623 11, 623 12, 606192, 606195, A61F 206

Patent

active

056979711

ABSTRACT:
The present invention is a multi-cell stent having at least two different types of cells with each type of cell accomplishing a different purpose. For example, a first type of cell is intended to provide a maximum radial rigidity after stent deployment. A second type of cell is designed to provide increased longitudinal flexibility prior to stent deployment and after stent deployment into a main artery, the second type of cell can be readily balloon expanded at the ostium of a side branch artery to a comparatively large diameter without breaking any of the struts of the stent cell. By this technique, unobstructed blood flow into the side branch can be provided.

REFERENCES:
patent: 4739762 (1988-04-01), Palmaz
patent: 5102417 (1992-04-01), Palmaz
patent: 5197978 (1993-03-01), Hess
patent: 5383892 (1995-01-01), Cardon et al.
patent: 5395390 (1995-03-01), Simon et al.
patent: 5449373 (1995-09-01), Dinchasik et al.
"New Beginnings-Great Endings"-1995 Johnson and Johnson Int. Systems advertisement.

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