Abstract:
INTRODUCTION:To describe the otherwise heretical technique of "blind" nonureteroscopic extraction of calculi from the intramural ureter using a 7-mm-diameter tapered coil called the "Stone Cone." TECHNICAL CONSIDERATIONS:After bypassing the stone and deploying the Stone Cone, slow traction was exerted. The Stone Cone's 5, 6, and 7-mm diameter coils and unique rotary action dilated the tunnel distal to the calculus and the 2, 3, and 4-mm stiffer coils caught the calculus and propelled it out of the transiently dilated intramural ureter. A safety feature is that the coils of the Stone Cone will unwind at greater than 0.2-lb tension. Unlike the baskets, if a pressure greater than this is encountered, the Stone Cone will release the stone, preventing entrapment. CONCLUSIONS:In selected cases, use of the Blind-Cone to remove an intramural calculus can be a rapid, effective, and safe alternative to ureteroscopic management.
journal_name
Urologyjournal_title
Urologyauthors
Eisner BH,Feldman AS,Chapin BF,Dretler SPdoi
10.1016/j.urology.2007.02.007subject
Has Abstractpub_date
2007-04-01 00:00:00pages
773-5issue
4eissn
0090-4295issn
1527-9995pii
S0090-4295(07)00183-5journal_volume
69pub_type
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