Investigation results: a captivator ii-10mm round stiff snare was received for analysis.Visual inspection of the returned device revealed no problems; however, a plastic bag was returned with a foreign material.In addition, per microscopic and other inspection, a sem-eds analysis was performed and determined that the returned foreign material was a human hair.Functional inspection was performed and when the device was connected to the 10-inch loop fixture, it could extend and retract well.No other problems were noted.The reported event was not confirmed.Per product analysis, the customer provided a picture, and it showed that the device was inside the patient.Additionally, a plastic bag was returned and attached to it was a pouch containing a foreign material which was determined to be a human hair.There is no control over how the devices are handled/manipulated in the field, it is possible that the foreign material was present during the procedure, during the preparation or manipulation of the device.Therefore, the most probable root cause for the reported complaint is "no problem detected since the complaint cannot be confirmed.".
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