Self-expanding endoprosthesis
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United States of America Patent
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Apr 7, 1998
Grant Date -
N/A
app pub date -
Dec 6, 1995
filing date -
Dec 9, 1994
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to a self-expanding endoprosthesis intended to support walls of anatomical channels. The endoprosthesis according to the invention comprises 2n external longitudinal elements, and 2n other intermediate longitudinal elements, distributed in a parallel arrangement about the axis of the endoprosthesis, and offset with respect to one another along the axis, and a plurality of rings distributed about the axis of the endoprosthesis, joining the longitudinal elements and each being in the form of a filament of zigzag configuration. According to the invention, the folded-down configuration of the endoprosthesis is obtained by longitudinal traction of the external elements with respect to the intermediate elements.
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