Interdigitating polymeric endcap for enhanced stent retention
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United States of America Patent
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Jul 1, 2003
Grant Date -
N/A
app pub date -
Apr 14, 2000
filing date -
Apr 14, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A stent deployment assembly with a novel endcap is disclosed. The endcap includes a tapered member having a first end and a second end. The first end and the second end each have an aperture therethrough. The tapered member has a pre-expanded condition and an expanded condition. The first end of the tapered member is positioned to interdigitate with an end of a stent mounted on a catheter when the tapered member is in the pre-expanded condition, and the first end is not positioned overlying the stent. The endcap prevents the stent from catching on calcium deposits or foreign objects during navigation through the vasculature. Furthermore, the endcap prevents unwanted migration of the stent with respect to the catheter.
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