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Blank fields on this form indicate the information is unknown or unavailable.Pma/510(k) #: exempt.This report includes information known at this time.A follow-up report will be submitted should additional relevant information become available.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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Blank fields on this form indicate the information is unknown or unavailable.Investigation-evaluation: (b)(6) informed cook of an issue with two cook chest drain valves supplied with a simple pneumothorax aspiration accessory sets (c-casp-a-ford) from lot 14534883.During table-top testing, the cook chest drain valves were adhered to themselves and would not allow air to flow through them.Cook became aware of this event on 06sep2022.There was no patient involvement in this incident.Reviews of documentation including the complaint history, drawing, quality control, specifications, trends, device history record of the device, as well as a visual inspection, functional test, and inspection of unused product, were conducted during the investigation.The device master record (dmr) was reviewed and device drawings, quality control procedures, and specifications were identified.Sufficient controls are in place to detect to prevent the release of nonconforming product.A review of the device history record (dhr) showed no related nonconformances.A database search revealed no other complaints under this lot number at the time of this investigation.An expanded search of complaint history has shown no incidents of the inner valve adhering to itself/unable to pass air other than those reported by the same user facility.A review of nonconformances on this rpn and the chest drain valve sold individually (c-cdv-1) from 01oct2020 through 01jul2022 did not show relevant nonconformances.The chest drain valve component is supplied to cook by an external supplier.There were no abnormal processing conditions nor manufacturing related issues identified by the supplier or sub-supplier.The sub-supplier identified transportation/storage as a possible cause of failure.Two opened, prior to use devices were returned related to this complaint.A syringe was used to test the device.Air did not pass through and there was no movement of the inner valve.Water was then pushed through the syringe, and water passed through.However, the valve appeared to stay stuck near the corners and would not open entirely.The user also returned 11 additional devices (ten sealed, one in an open inner pouch).The same issue tests were performed, and the same failure was noted in all 11 additional devices.These devices are captured in the following reports: 1820334-2022-01564, 1820334-2022-01566, 1820334-2022-01567, 1820334-2022-01568, 1820334-2022-01569, 1820334-2022-01570.The information provided upon review of the dmr, dhr, returned devices, and supplier investigation suggests that the devices were manufactured to specification, and that there are no nonconforming devices in house or out in the field.The complaint was confirmed based on customer testimony and investigation of the returned devices.The user was unable to provide the storage conditions of the failed devices, however the user did indicate that these devices are used during air ambulance transport cases.Cook has concluded the most likely cause of failure is related to storage conditions.The risk assessment for this failure mode was reviewed, and no action is required.The appropriate personnel were notified, and cook will continue to monitor for similar complaints.This report is required by the fda under 21 cfr part 803.This report is based on unconfirmed information submitted by others.Neither the submission of this report nor any statement made in it is intended to be an admission that any cook device is defective or malfunctioned; that a death or serious injury occurred; or that any cook device caused or contributed to; or is likely to cause or contribute to a death or serious injury if a malfunction occurred.
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