It was reported that there was event with a knife, straight.According to the information received, a 71 year old patient with a distal stenosis.A blind urethrotomy is then performed, the right knife blade of the urethrotome is pushed into the bladder, upstream of the urethral stenosis.Approximately 10 minutes after the start of the procedure, the blade broke and was displaced intravesically.The broken metal part was difficult to recover, causing an increase of 30 minutes in the operating time.This is the first time that such an incident has occurred.
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Belated evaluation and reporting of this complaint was done during retrospective review as part of capa 20-0052 corrective action 6.The product in question was not returned to manufacture for investigation, therefore the root cause is unknown.However, based on the internal evaluation, the device breakage could potentially be due to mechanical overload during use i.E.Use error.In case product or new information is available in future, the case will be reopened.The risk level and probability are still adequate.The event is filed under internal karl storz complaint id ((b)(4)).
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