The device was evaluated by the manufacturer, karl storz in (b)(4).As per the evaluation: upon evaluation the tip was found to be loosened.Adhesive residuals were found on the insert and inside the shaft.The shaft was found to be bent.The deflection of the shaft conducts approx.5 mm.Bending of the shaft can cause leverage forces on the insert and loosen the connection.No indications for a material or manufacturing related issue were found during the investigation.The root cause most likely is overloading of the instrument and therefore user related.The device was manufactured in march 2012.Since jan.1, 2009, (b)(4) pieces of this artical were sold world wide, thereof (b)(4) in (b)(4).
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As per a vigilance report filed with the italian competent authority by our parent company in (b)(4): during a ureteral stent procedure, the distal tip of the cystoscope sheath came off into the patient's bladder.The tip was removed from the patient using forceps under direct vision, and there was no apparent harm to the patient.A replacement cystoscope was used to finish the procedure.
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