Coll-karafin ureteral stent-catheter having varying diameter stent
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United States of America Patent
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Sep 13, 1994
Issued Date -
N/A
app pub date -
Jun 11, 1993
filing date -
Jan 25, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
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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