Blank fields on this form indicate the information is unknown or unavailable.Initial reporter occupation: clinical ops specialist.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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Investigation-evaluation: (b)(6) informed cook of an issue where the chest drain valves within simple pneumothorax aspiration accessory sets (c-casp-a-ford) were adhered to themselves and would not allow air to flow through them.To aid in investigation, the customer returned 13 unused/prior to use devices.The devices were returned on 20sep2022, and complaints were opened to capture the malfunctioning devices by lot number.This complaint captures one unused device from lot 14750797.The issue was observed in cook's biohazard lab and there was no patient involvement.Reviews of documentation including the complaint history, device history record, drawing, quality control, specifications, trends and 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 user facility returned thirteen devices to aid in investigation of this issue (previous incidents captured under 1820334-2022-01495, 1820334-2022-01496, 1820334-2022-01498, 1820334-2022-01497).Two opened, prior to use devices were returned as well as ten sealed and one in an open inner pouch.A syringe was used to test the devices.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.This was observed in all thirteen returned devices.The returned devices are captured in unique complaints by lot number (1820334-2022-01497, 1820334-2022-01564, 1820334-2022-01566, 1820334-2022-01567, 1820334-2022-01568, 1820334-2022-01569, 1820334-2022-01570).This report captures the one unused device from lot 14750797.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.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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