Self-expanding stent for a medical device to be introduced...

Details Self-expanding stent for a medical device to be introduced... Self-expanding stent for a medical device to be introduced...

A - Human Necessities

61

F

A61F 2/90 (2006.01) A61F 2/04 (2006.01)

Patent

CA 2173644

A self-expanding stent for a medical device to be introduced into a cavity of a human body, is disclosed and includes a radially expandable and axially retractable tubular body (1), characterized in that the tubular body comprises first flexible rigid filaments (2, 3) which are arranged side by side in a number at least equal to two, wound along a first helicoid direction around a longitudinal axis (4) of the tubular body, and second flexible rigid filaments (5, 6) which are arranged side by side in a number at least equal to two, wound along a second helicoid direction opposite to the first, each multiple filament wound in one of the said directions crossing multiple filaments wound in the other direction according to a plaited arrangement. Methods for reproducibly forming the stent of the invention are disclosed.

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