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Blank fields on this form indicate the information is unknown, unchanged or unavailable.Investigation ¿ evaluation.On 17aug2022, cook japan received a complaint from dr.(b)(6), a representative at the (b)(6)hospital, located in the city of (b)(6).Upon the placement of an ultrathane dawson-mueller mac-loc locking loop multipurpose drainage catheter (rpn: ult7.0-35-25-p-5s-cldm-wf-hc, lot: 14399163), the stiffening cannula became stuck inside the catheter.The entire device was removed from the patient.Upon the insertion of a new device, the procedure was successfully completed.The patient did not experience any adverse effects due to this occurrence.Reviews of the documentation, including the complaint history, device history record, instructions for use (ifu), manufacturing instructions and quality control procedures, as well as a visual inspection, functional test and dimensional verification of the returned device, were conducted during the investigation.One ultrathane dawson-mueller mac-loc locking loop multipurpose drainage catheter was returned for evaluation with the metal stiffener fully inserted into the catheter.There was no damage observed on the stiffener or catheter upon visual inspection.During table-top testing, the cannula was confirmed to be stuck within the lumen of the catheter.The distal tip of the catheter and stiffener were manipulated, which released the stiffener.The catheter inner diameter and stiffener outer diameter measured within specification.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 prior to distribution.A review of the device history record (dhr) for lot 14399163 catheter shaft subassembly lots sa14336400 and sa14336401, as well as disposable stiffening cannula lot sa13972629, 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,¿ 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.¿ instructions for use: ¿under fluoroscopic control, perform standard techniques for placement of percutaneous draining catheters, either by seldinger access or trocar access.-once catheter is in desired location, remove any wire guides, trocars, or stiffeners, allowing the catheter to for its configuration.¿ how supplied: ¿supplied sterilize 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 upon review of the dmr, ifu, and associated dhrs, 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 a component failure without any design or manufacturing issue contributed to the reported incident.The appropriate personnel have been notified.Per the risk assessment no further action is required.We 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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