Selectively flexible catheter and method of use
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United States of America Patent
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Nov 9, 2010
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N/A
app pub date -
Dec 3, 2004
filing date -
Dec 3, 2004
priority date (Note) -
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Abstract
Catheter assembly including an elongate shaft comprising a thermoplastic polymer such as a thermoplastic shape memory polymer having a pre-selected glass transition temperature (Tg) and a means for heating the thermoplastic polymer, wherein the thermoplastic polymer is in a rubbery state at temperatures above the glass transition temperature and is in a glassy state at temperatures below the glass transition temperature. The elongate shaft may be selectively heated and cooled to provide sufficient flexibility and retention during a medical procedure.
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