K142688 - 510 k number.Device evaluation: 1 unit of unknown lot of echo-hd-3-20-c was returned opened not in its original packaging.Lab evaluation: the device related to this occurrence underwent a laboratory evaluation on 14 july 2020.The needle handle was returned separated from the rest of the device with the needle broken.The needle break occurred within the inner handle.The thumbscrew of the locking ring was returned separately from the device.Locking ring placed on inner handle and thumbscrew tightened.Locking ring unable to be moved when thumbscrew tightened.Document review including ifu review.Prior to distribution, all echo-hd-3-20-c devices are subjected to functional checks and visual inspection to ensure device integrity.These inspections and functional checks are outlined in internal procedures in place at cirl.As the lot number is unknown a review of manufacturing records could not be performed.The notes section of the instructions for use, ifu0077-4, which accompanies this device instructs the user to inspect the device prior to use: "visually inspect with particular attention to kinks, bends and breaks.If an abnormality is detected that would prohibit proper working condition, do not use".There is no evidence to suggest that the customer did not follow the instructions for use (ifu0077-4).Root cause review: a definitive root cause for the customer complaint could not be determined as circumstances of use cannot be replicated in the laboratory.A possible root cause could be attributed to the inner handle becoming detached from the outer handle due to an excessive force been applied at some point during the procedure; while device was attached to scope.On detachment the needle inside was exposed and subsequently broken as a knock-on effect; possibly due to a sudden torque resulting from the handle detachment.Summary: complaint is confirmed as the failure was verified in the laboratory.According to the initial reporter, the patient did not experience any adverse effects due to this occurrence.Complaints of this nature will continue to be monitored for potential emerging trends.
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