Catheter with spiral cut transition member

Details Catheter with spiral cut transition member Catheter with spiral cut transition member

2006-10-03

2006-10-03

Fischer, Justin (Department: 1733)

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

C604S264000, C604S523000, C604S524000, C604S525000, C604S533000

Reexamination Certificate

active

07115183

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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