Additional information provided 29oct2020 and 11nov2020 stated the following: the procedure was a routine change of a bilateral ileal conduit drainage catheter.The device is placed "retrograde from stoma, along conduit, through strictured anastomosis to renal pelvis to drain urine safely to stoma bag." the patient reportedly had standard anatomy, no tortuosity although stricture between ileal conduit and ureter at anastomosis was noted.There was no crusting on the existing drain.The replacements device was prepped and no resistance was felt.Instillagel was used to lubricate the components of the new catheter.The existing drain was removed over a sensor wire and the replacement device was advanced over the wire with no resistance.The operator then tried to remove the blue stiffener, and experienced significant resistance.The flexible stiffener snapped in the drain and the whole drain was removed over the wire.A different drain was selected to complete the procedure without further incident.The operator stated the screen time was much lengthier and the patient was anxious due to the additional time.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.
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Additional information: h6 - device code.D10 ¿ product received on: 17nov2020.Investigation ¿ evaluation: bradford teaching hospital nhs trust in the united kingdom informed cook that on (b)(6) 2020 the flexible stiffener in an ultrathane mac-loc locking loop multipurpose drainage catheter was difficult to remove from the catheter.The user advanced the stiffener and catheter into the patient for routine ileal conduit drainage.The flexible stiffener snapped in the drain and the whole drain was removed over the wire.A different drain was selected to complete the procedure without further incident.The patient's anatomy was not tortuous and there were no abnormalities.The patient did not experience adverse effects.A review of the complaint history, device history record, instructions for use (ifu), manufacturing instructions, and quality control of the device, as well as a visual inspection and dimensional verification, were conducted during the investigation.One used catheter was received.Inspection found the blue flex stiffener is lodged inside the catheter.The hub of stiffener was separated and not returned.The device was cut to obtain measurements.The catheter and stiffener measure within specification.Additionally, a document based investigation evaluation was performed.Sufficient inspection activities are in place to identify this failure mode prior to distribution.The device is shipped with instruction for use (ifu) which provides the following information to the user related to the reported failure mode: "precautions: when inserting a stiffening cannula into a catheter with retention suture, hold suture during cannula insertion to avoid bunching or tangling of suture.How supplied: supplied sterilized by ethylene oxide gas in peel-open packages.Intended for one-time use.Sterile if package is unopened or undamaged.Do not use the product if there is doubt as to whether the product is sterile.Store in a dark, dry, cool place.Avoid extended exposure to light.Upon removal from package, inspect the product to ensure no damage has occurred.¿ a review of the device history record (dhr) was also conducted as a part of the investigation to check for failure related nonconformances and additional complaints.The dhr for the complaint lot and related subassembly lots found a related nonconformance in the catheter tubing subassembly.However, the nonconforming devices were scrapped, the catheter fit to the flexible stiffener is 100% inspected by quality control, and the returned device measured within specification.A review of complaint history found no additional complaints on the lot.There is no evidence of nonconforming material in house or in the field.A capa was previously opened to investigate this failure.The capa implemented corrective actions related to supplier manufacturing of the catheter tubing.The supplier lots for this complaint were manufactured prior to corrective action implementation.Based on the information provided, the examination of returned product, the results of the investigation, and the manufacture date of the supplied lot, it was concluded tat the cause of this event is related to supplier manufacturing.The appropriate personnel have been notified.Per the quality engineering risk assessment no further action is required.Cook will continue to monitor for similar complaints.This report is required by the fda under 21 cfr part 803 and is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement contained herein is intended to be an admission that any cook device is defective or malfunctioned, that a death or serious injury occurred, nor that any cook device caused, contributed to, or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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