Ureteral stent-catheter system having varying diameter stent

Details Ureteral stent-catheter system having varying diameter stent Ureteral stent-catheter system having varying diameter stent

1991-05-20

1992-05-26

Yasko, John D.

Surgery

Devices transferring fluids from within one area of body to...

604164, 604281, A61M 3700

Patent

active

051163098

ABSTRACT:
A combination ureteral stent-ureteral catheter comprising an elongated flexible tubular member which has proximal and distal ends in the form of curls when present in its internalized stent form and which further comprises an elongated tubular rigid extension attached to the distal end of the stent which allows the combination to function as an externalized ureteral catheter. On extracting the rigid extension from the stent while the device is in place, the distal end of the stent reforms itself into a preformed curl and thereafter functions as a Double J internalized catheter or stent.

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