Catheter with spiral cut transition member
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United States of America Patent
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Oct 3, 2006
Issued Date -
N/A
app pub date -
Nov 1, 2002
filing date -
Oct 15, 1997
priority date (Note) -
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status (Latency Note)
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Abstract
A spiral cut transition member is disclosed for controlling the transition in stiffness of a catheter from a stiffer more pushable proximal section to a more flexible and trackable distal section and increasing kink resistance. The transition member has a spiral cut provided therein to vary the flexibility of the transition member over its length. The pitch of the spiral cut can be varied to facilitate a gradual transition in flexibility along the catheter. The transition member may be used in conjunction with any type of catheter including single-operator-exchange type catheters, over-the wire type catheters, and/or fixed-wire type catheters.
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