Stent with different mesh patterns

Details Stent with different mesh patterns Stent with different mesh patterns

1997-08-22

2000-05-09

Prebilic, Paul B.

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

Arterial prosthesis

Stent structure

623 12, 606198, 606191, A61F 206

Patent

active

060598220

ABSTRACT:
An expandable reinforcing member with different mesh patterns of the invention is used inside a body lumen, especially, in patient's artery for opening and holding a lesion or stenosis. The stent of the invention includes at least one large mesh portion, and a small mesh portion connected to the large mesh portion. The small mesh portion has a mesh size smaller than that of the large mesh portion. When the stent is delivered into the artery, the small mesh portion is positioned at the lesion or the stenosis, and the large mesh portion is positioned at healthy tissues of the artery. Therefore, the small mesh portion has enough strength to open and hold the lesion or stenosis in the artery, and the large mesh portion does not hurt the healthy tissues of the artery.

REFERENCES:
patent: 5064435 (1991-11-01), Porter
patent: 5330500 (1994-07-01), Song
patent: 5383892 (1995-01-01), Cardon et al.
patent: 5549663 (1996-08-01), Cottone, Jr.
patent: 5575818 (1996-11-01), Pinchuk
patent: 5709713 (1998-01-01), Evans et al.
patent: 5725547 (1998-03-01), Chuter
patent: 5741327 (1998-04-01), Frantzen
patent: 5776183 (1998-07-01), Kanesaka et al.

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