A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/06 (2006.01) A61L 31/14 (2006.01) A61L 31/16 (2006.01) A61F 2/00 (2006.01)
Patent
CA 2496039
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.
L'invention concerne une structure tubulaire multicouches extensible radialement destinée à être utilisée comme stent et le procédé de fabrication. La structure comprend une couche extérieure (1) et une couche intérieure (2) solidement accrochées l'une à l'autre. L'une des couches (2) est munie dans son épaisseur des creusures (3) et l'autre des perforations (4). Les creusures (3) permettent, d'une part, d'influencer les propriétés mécaniques du stent et, d'autre part, de loger un médicament pour le traitement local du vaisseau dans lequel le stent sera disposé.
Papirov Igor I.
Verin Vitali E.
Endosense Sa
Fetherstonhaugh & Co.
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