Balloon catheter and locking guidewire system

Details Balloon catheter and locking guidewire system Balloon catheter and locking guidewire system

1990-02-02

1991-09-03

Rosenbaum, C. Fred

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604 95, 604283, 128772, 606194, A61M 2900

Patent

active

050450611

ABSTRACT:
A low profile, steerable balloon dilatation catheter for dilating obstructions in blood vessels is provided which also enables catheter exchanges to be performed without losing guidewire position. The system includes a guidewire and catheter that can be locked together to be operated in a manner as that of an integral wire catheter, or alternatively, they can be unlocked to allow the guidewire to be operated independently in a manner similar to that of an over-the wire catheter system. In the latter mode of operation, the length of the guidewire, at its proximal end, can be extended and the catheter can be withdrawn from the patient without causing a loss of guidewire position. With the guidewire position so maintained, a succeeding catheter can be advanced over the guidewire to the vascular location being treated.

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