Guidewire extension connector - keyed joint

Details Guidewire extension connector - keyed joint Guidewire extension connector - keyed joint

1995-02-28

1996-05-07

Hindenburg, Max

Surgery

Truss

Pad

A61B 500

Patent

active

055136508

ABSTRACT:
A guidewire extension assembly for use in angioplasty to facilitate exchanging a balloon dilitation catheter that includes a guidewire and an extension wire that are releasably connected thus avoiding the need to use a separated exchange wire. The proximal end of the guidewire and the distal end of the extension wire either have one or more slots or one or more keys and when joined together cream a guidewire extension system utilizing a keyed joint connection. The key, when inserted in the slot, is held in place by frictional engagement to connect the distal end of the extension wire to the proximal end of the guidewire. The keyed connection between the guidewire and the extension wire makes it simple to attach the wires together, transfers torsional forces between the wires without the fear of the wires coming apart or unscrewing and is readily disconnected/reconnected when required.

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