Torqueable and deflectable medical device shaft
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United States of America Patent
Stats
-
Aug 24, 2010
Grant Date -
Sep 9, 2004
app pub date -
Mar 19, 2004
filing date -
May 22, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A medical device shaft for connection with a handle and for insertion within a body includes an elongated, deflectable shaft having a proximal shaft portion, an intermediate shaft portion, and a distal shaft portion. The elongated, deflectable shaft includes a transition in stiffness from the proximal shaft portion to the distal shaft portion. In a preferred implementation, the shaft includes a plurality of slits that extend perpendicular to a longitudinal axis of the shaft. Varying at least one of the number of slits, the location of slits, the frequency of slits, the orientation of the slits, the size of the slits, and the depth of the slits varies the transition of stiffness.
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