Guide wire extension system

Details Guide wire extension system Guide wire extension system

1997-10-16

2000-06-27

Hindenburg, Max

Surgery

Diagnostic testing

Flexible catheter guide

A61B 500

Patent

active

060801174

ABSTRACT:
An extendable, guide wire providing an apparatus for effecting exchange of over-the-wire catheters without requiring either a double length guide wire or the addition of an extension guide wire. The guide wire includes a distal member for insertion into the patient and a proximal member for extension from the patient, the proximal member having at least one wire strand coiled into a shorten, compressed state. If a catheter exchange is required, the proximal member coil is irreversibly lengthened by drawing the coil proximally, significantly extending the length of the proximal member. Catheter withdrawal and advancement can follow the lengthening. A sheath adapted to slide over and strengthen the drawn wires prior to catheter exchange is also provided.

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