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It was reported that the tip of a torq-flex australian modification mandril wire guide unraveled and sheared off during a pacemaker placement procedure.The tip was retained within the patient's subcutaneous tissue.Additional information regarding the patient, device, and event has been requested but is currently unavailable.
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Investigation ¿ evaluation.An unknown customer (united states) contacted cook on 27apr2021 stating that during a pacemaker placement procedure, the stf-18-60-aust wire guide from lot# 13506409, unraveled and sheared off, with the distal tip being retained in the subcutaneous tissue.A review of the documentation including the complaint history, device history record, instructions for use (ifu), manufacturing instructions and quality control procedures of the product was conducted during the investigation.The complaint device was not returned for evaluation; therefore, no dimensional, visual, or functional verifications could be completed.However, a document-based investigation evaluation was performed.A review of the device master record (dmr) concluded that there are process checks during the manufacturing process to catch and prevent product from leaving house that would lead to this failure.A review of the device history record (dhr) for lot 13506409 found one relevant nonconformance for wire guide surface defect.It should be noted that there were no other complaints associated with this lot number.Based on the device failure analysis, device history record, and device master record, there is no indication the device was manufactured out of specification.There is no evidence of non-conforming material in house or in the field.Cook also reviewed product labeling.This device is supplied with an instructions for use (ifu) t_mwg_rev0.The warning section of the ifu states the following: this product is a delicate instrument.Avoid forceful angulation.Avoid manipulating or withdrawing the wire guide back through a metal needle or cannula.A sharp edge may scrape or shear material form the wire guide.Based on the information provided, no returned product and the results of our investigation, a definitive cause for the failure could not be established.The appropriate personnel have been notified.Per the risk assessment no further action is required.We will continue to monitor for similar complaints.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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