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Blank fields on this form indicate the information is unknown, unavailable, or unchanged.Investigation ¿ evaluation (b)(6) hospital (united states) informed cook on (b)(6) 2021 that while using a retracta detachable embolization coil the coil unintentionally detached from the delivery wire inside the patient.The coil was left in that location.A second rectracta coil ((b)(4)) from lot 13484999 was placed and unintentionally detached from the delivery wire.The coil was retrieved with a snare.The complaint reported no adverse effects to the patient due to this occurrence.This report will focus on the second retracta coil.The first retracta coil that detached prematurely was reported under (b)(4).Reviews of the complaint history, device history record (dhr), quality control, manufacturing instructions (mi), and instructions for use (ifu), as well as a visual inspection of the returned device and interview with personnel, were conducted during the investigation.Two mwcer devices were received used, with the coils having been detached.A black catheter was also received.Catheter was flushed and a.035" wire was inserted through the entire length and no coils were in catheter.Cook has concluded that the device was manufactured to 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 mode prior to distribution.A review of the dhrs for the reported complaint device lot (13484999) revealed no recorded non-conformances.A database search did not identify any other events associated with the reported device lot.Based on the available information, cook has concluded that there is no evidence suggesting nonconforming product exists either in house or in field.Cook also reviewed product labeling.The ifu supplied with the device states the following in consideration of the reported failure mode: "instructions for use.Note: do not turn the delivery wire counterclockwise during advancement; the coil may be unintentionally detached." "how supplied.Upon removal from package, inspect the product to ensure no damage has occurred." based on the available information, inspection of the returned device, and the results of the investigation, the cause of this event is component failure.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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