According to the reporter, at end to end anastomosis in a total gastrectomy procedure, the surgeon heard a clicking sound when the surgeon attached the anvil to the device.Then they started to tighten the twisted knob, however the anvil disengaged from the device halfway.The surgeon tried once more, however the same event occurred.There was no tension on the anvil.The procedure was completed with another device.There was no patient injury.
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Evaluation summary: post market vigilance (pmv) led an evaluation of a device.Visual inspection noted that one of the retainer legs of the anvil was bent.Functional testing with a pmv anvil showed no abnormalities.Records from each manufacturing lot are thoroughly reviewed to ensure that products are released meeting all quality release specifications at the time of manufacture.Replication of the observed anvil damage may occur if the anvil is manipulated with excessive force during the attachment to the instrument, or if the anvil is mishandled during the removal of fitting accessories.The root cause of the observed damage was misuse of the product which caused or contributed to the reported condition.If information is provided in the future, a supplemental report will be issued.
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