Patient had high cystocele and resulting bladder outflow obstruction.Surgeon performing a vaginal sling, cystocele repair.At end of procedure, the patient has already been given intravenous methylene blue; however, there was no infiltration of methylene blue within the bladder and determined the ureter was not draining and needed to be cannulated.He requested whistle tip ureteral catheter.When the doctor received catheter on sterile field he felt the catheter was too stiff to place in a possibly obstructed or kinked ureter.He was then given an open ended ureteral catheter (cook urethral dilation balloon catheter open tip) which he used for cannulation of the ureter.A limited retrograde pyelogram was performed to validate the patency of the ureter and when completed the ureter was visualized and found to have a "j hooking" shape.The doctor felt that if the whistle tip catheter would have been placed it would have perforated the ureter.He felt the problem with the cook brand catheters are too stiff and they were replaced with another brand.Manufacturer response for urethral dilation catheter, whistle tip urethral catheter 6.0fr/70cm (per site reporter): the catheter is stiff and exploring the softer options of cook catheters.
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