Investigation ¿ evaluation: it was reported by a (b)(6) hospital (usa) that two ultrathane mac-loc locking loop multipurpose drainage catheters (rpn: ult10.2-38-25-p-6s-clm-rh; lot#: unknown) leaked.The devices were placed in the patient on 06mar2023 for use as bilateral nephrostomy drainage catheters.On (b)(6) 2023, the patient returned to the facility due to leakage from hubs, near the locking levers.As a result, an additional procedure was required to remove and replace the devices.No other adverse events were reported due to this occurrence.The customer noted this occurrence happened with multiple patients and at least 4 patients, including this incident, in the last month.The other 3 patient are documented under the mdr # 1820334-2023-00500.Reviews of documentation including the complaint history, device history record (dhr), quality control procedures, manufacturing instructions (mi), and instructions for use (ifu), as well as a visual inspection, functional test, and dimensional verification of the returned devices, were conducted during the investigation.The customer returned 7 of the 9 mentioned devices, having a product description consisting of ult10.2-38-25-p-6s-clm-rh,ultrathane mac-loc locking loop multipurpose drainage catheter, involving three lots, (15256682, 15210447 and 14915933).The two mentioned used devices were not returned, in addition to the customer not providing lot number information.The returned devices were received in an unopened condition.During table top testing, the devices were leaked tested, showing no fluid escaping from the proximal end.Additionally, each device passed the gap gauge requirement regarding the cap and adaptor connection site.Additionally, a document-based investigation evaluation was performed.A review of the device master record (dmr) concluded sufficient inspection activities are in place to identify this failure mode prior to distribution.The customer did not provide the lot number for the complaint device.Cook reviewed the sales history for this customer and was unable to identify the complaint lot.The device history record could not be reviewed.Cook also reviewed the device history records from the 7 unopened devices, having product label lot information consisting of 15256682,15210447 and 14915933, confirming recorded nonconformances.Based on the nonconforming criteria, lot 14915933 had one relevant recorded nonconformance for "gap incorrect".This one device was scrapped prior to further processing.Cook reviewed the product labeling for the complaint device.The instructions for use (ifu) [t_multi2_rev1] multipurpose drainage catheter, packaged with the device contains the following in relation to the reported failure mode: how supplied: "upon removal from package, inspect the product to ensure no damage has occurred." the information provided upon review of the dmr and ifu 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, inspection of the returned devices, and the results of the investigation, cook medical has concluded that component failure unrelated to manufacturing or design deficiencies contributed to this incident.However, a definitive conclusion could not be determined why fluid was escaping from the locking lever.The appropriate personnel have been notified.Cook will continue to monitor for similar complaints.Per the risk assessment no further action is required.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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