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It was reported the inner stiffening cannula was difficult to remove from the ultrathane mac-loc locking loop multipurpose drainage catheter.A drainage catheter located in the kidney was exchanged for an unknown patient.During the exchange, the physician was unable to remove the inner stiffening cannula.Therefore, the device was removed and another device was used to complete the procedure.As reported, the patient did not experience any adverse effects or require any additional procedures due to this occurrence.
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Blank fields on this form indicate the information is unknown, unchanged or unavailable.Investigation ¿ evaluation.Cook inc.Received a complaint from the hospital (b)(6).It was reported that on 20mar2023, upon the placement of the ultrathane mac-loc locking loop multipurpose drainage catheter (rpn: ult10.2-38-45-p-6s-clm-rh, lot 15205640), the flexible stiffener could not be removed from the drainage catheter.The device was removed, and the procedure was completed using another new device.No adverse effects were reported.Reviews of the documentation, including the complaint history, device history record, instructions for use (ifu), manufacturing instructions, quality control procedures and specifications, as well as a visual inspection and dimensional verification of the returned device, were conducted during the investigation.One open and used ult10.2-38-45-p-6s-clm-rh was returned for evaluation.The flexible stiffener was found to be inserted into the catheter, with approximately 1.5 cm extending beyond the mac-loc adaptor.Following manipulation of the distal tip of the catheter, the blue flexible stiffener was able to be removed.A visual examination of the stiffener showed material elongation at approximately 8.5 cm from the distal end of the hub.Dimensional analysis confirmed that the device and components were manufactured to the correct specifications and tolerances.Additionally, a document-based investigation evaluation was performed.A review of the device master record (dmr) concluded that sufficient inspection activities are in place to identify this failure mode prior to distribution.A review of the device history record (dhr) for lot 15205640 and related subassemblies found no relevant nonconformances that could have contributed to the reported failure mode.It should be noted that there were no other complaints associated with the final product lot number.Cook also reviewed product labeling.The product ifu, [t_multi2_rev1] ¿multipurpose drainage catheter,¿ states: "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.¿ evidence gathered from a review of the dmr, ifu, dhr and device evaluation suggests that the device was not manufactured out of specification, and that there are no nonconforming devices in house or out in the field.Based on the information provided, examination of the returned product, and the results of our investigation, it was concluded that component failure unrelated to manufacturing to design deficiencies contributed to this event.The appropriate personnel have been notified.Per the 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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