Deflectable catheter with bonded center strut and method of manufacture for same
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United States of America Patent
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Feb 21, 2012
Grant Date -
Mar 11, 2010
app pub date -
Sep 9, 2008
filing date -
Sep 9, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A catheter for diagnosing or treating the vessels found within a body or body space includes a center strut that is bonded, preferably thermally, along its longitudinal axis with the thermoplastic tubular member within which it is housed. The tubular member preferably has three layers: an inner layer, a braided layer and an outer layer. The composite catheter is made using a process in which two half-cylinder shaped mandrels are placed on each side of the center strut while the strut is heated in order to cause the thermal bonding. The bonded center strut provides in-plane deflection and improved transfer of torque to the tip of the catheter.
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