Catheter having an improved torque transmitting shaft
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United States of America Patent
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Jul 31, 2012
Grant Date -
May 7, 2009
app pub date -
Dec 31, 2008
filing date -
Dec 27, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates generally to a catheter having a torque transmitting shaft which retains adequate flexibility. The catheter includes an elongate shaft having an outer surface. In a preferred embodiment, a raised pattern is disposed on the outer surface. Preferably, the raised pattern improves the transmission of torque along the elongate shaft by including a series of bearing points which contact other bearing points along the shaft when torqued.
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