Unique device identification (udi)- (codman) (b)(4).Perforator (id 261221) was not returned for evaluation as the product was disposed by the staff.Lot number information has not been provided; therefore, an evaluation of the device could not be performed, and device history record (dhr) could not be reviewed.The root cause(s) of the reported issue could not be determined.If additional relevant information becomes available in the future, this complaint will be reopened, and the respective evaluation performed.Trends will be monitored for this and similar issues.At present, we consider this complaint to be closed.Additional information received: manufacturer of the drill used with the perforator: midas rex- medtronic was the drill electric or pneumatic? pneumatic drill did the perforator click in place in the drill? spring checks were not done.
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