Self-expanding stent for a medical device to be introduced into a cavity of a body, and method for its preparation
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United States of America Patent
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Dec 15, 1998
Grant Date -
N/A
app pub date -
Apr 3, 1996
filing date -
Apr 12, 1995
priority date (Note) -
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Abstract
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 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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