This mdr was generated under protocol (b)(4) as a result of warning letter cms# (b)(4).No lot number was provided; therefore, device history record review could not be completed.The device was received for evaluation.Visual testing was performed.Visual inspection, no damage or abnormality was observed in the collar, but the ridge of the flat filter was damaged and flattened.No further functional testing was performed.The root cause of the reported issue was found to be that the collar of the flat filter was easy to come off because the ridge of the flat filter was crushed and flattened.Regarding the flatten of the ridge part, a supplier corrective action has already been issued to the manufacturer.(udi) and report source are unknown.No product information has been provided to date.
|