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It was reported a female patient required placement of a nester platinum embolization coil for coiling of a fistula near the brachial artery.After the coil was deployed in the patient, it was noted the coil did not curl and remained straight.The device was retrieved "via a small cutdown" with a clamp and hemostat.No additional coils were placed.It was noted that upon removal from the patient, the coil "looked more like a bow." no other adverse effects were reported for this incident.
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Investigation ¿ evaluation.It was reported by (b)(6) of (b)(6) in the united states that on (b)(6) 2021 a nester platinum embolization coil (rpn: mwce-35-14-12-nester; lot# 9246011) did not curl.The device was required for coiling of a fistula near the brachial artery.After the coil was deployed in the patient, it was noted the coil did not curl and remained straight.The device was retrieved "via a small cutdown" with a clamp and hemostat.No additional coils were placed.It was noted that when the coil was removed from the patient it still did not curl and ¿looked more like a bow¿.No other adverse effects were reported for this incident.Reviews of the complaint history, device history record (dhr), quality control, and instructions for use (ifu), as well as personnel interview were conducted during the investigation.The complaint device was not returned; therefore, no physical examinations could be performed.However, 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 dhr for the reported complaint device lot (9246011) revealed no recorded non-conformances relevant to the failure mode.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: "how supplied upon removal from package, inspect the product to ensure no damage has occurred." based on the available information, no product returned, and the results of the investigation, cook has concluded that component failure unrelated to manufacturing or design deficiencies contributed to this incident.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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