Blank fields on this form indicate the information is unknown, unchanged or unavailable.Correction: h6 - annex g investigation ¿ evaluation on (b)(6) 2023 it was reported that, immediately following placement of an ultrathane dawson-mueller mac-loc locking loop multipurpose drainage catheter into the biliary tract of the patient, a syringe was used to extract bile.However, it was noted that the catheter began to leak at the hub.The device was immediately removed and replaced, and the patient reportedly experienced no adverse effects as a result of this incident.Reviews of the documentation, including the complaint history, device history record, instructions for use (ifu), quality control procedures, and specifications, as well as a visual inspection and functional test of the returned device, were conducted during the investigation.One used catheter was returned for evaluation.Upon a visual inspection, the flare was found to be folded inward inside of the hub.A functional test confirmed leakage at the hub.Additionally, a document-based investigation evaluation was performed.A review of the device master record (dmr) concluded that sufficient controls are in place to detect this failure mode prior to release.A review of the device history record (dhr) for the device lot 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.Further investigation of related lots found two additional complaints for the same failure.Affected lots with associated leakage complaints were placed on stop ship.Cook was also able to review product labeling.Instructions for use (ifu) document t_multi2_rev1 is packaged with this device.The product ifu states the following in consideration of the reported failure mode: ¿how supplied: upon removal from package, inspect the product to ensure no damage has occurred.¿ "when inserting a stiffening cannula into the catheter with retention suture, hold suture during cannula insertion to avoid bunching or tangling of the suture." evidence provided upon review of the dhr and returned device suggests that the device was manufactured out of specification and that there are possible nonconforming devices in house or out in the field.Containment was performed on the complaint lot, but field action was determined not to be necessary.Based on the information provided, examination of the returned product, and the results of our investigation, it was concluded a manufacturing deficiency at the supplier contributed to this 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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