Expandable multi-layer tubular structure and production...

Details Expandable multi-layer tubular structure and production... Expandable multi-layer tubular structure and production...

2008-07-01

2008-07-01

Gherbi, Suzette (Department: 3738)

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

Arterial prosthesis

Having plural layers

Reexamination Certificate

active

10524176

ABSTRACT:
The invention relates to a radially expandable multi-layer tubular structure which is intended to be used as a stent and to the production method thereof. The inventive structure comprises an outer layer (1) and an inner layer (2) which are solidly connected to one another. One of the aforementioned layers (2) is provided with hollow channels (3) through the thickness thereof while the other layer is provided with perforations (4). Said channels (3) can be used to alter the mechanical properties of the stent and to house a medicament for the local treatment of the vessel in which the stent is disposed.

REFERENCES:
patent: 5630806 (1997-05-01), Inagaki et al.
patent: 5873904 (1999-02-01), Ragheb et al.
patent: 6261320 (2001-07-01), Tam et al.
patent: 6383214 (2002-05-01), Banas et al.
patent: 6849085 (2005-02-01), Marton
patent: 2001/0044652 (2001-11-01), Moore
patent: 2002/0062147 (2002-05-01), Yang
patent: 2005/0060021 (2005-03-01), O'Brien et al.

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