(b)(4).Batch # n9139m.The analysis results found that the mcs20 device was received empty.Upon cycling, the device was noted to be empty and the lockout mechanism not functional.In order to evaluate the condition of the internal components, the device was disassembled and no anomalies that could have led to the lockout failure were noted; in addition, the anti-backup lever was noted to be worn out, please note this is unrelated to the reported event.No conclusion could be reached as to what may have caused the reported incident.The batch history record was reviewed and no defects, ncr¿s or protocols related to the complaint, were found during the manufacturing process.
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It was reported that during an unknown procedure, the surgeon squeezed the handle on the clip applier but no clip was deployed and the clip applier incised the mammary artery.Another clip applier was used to complete the procedure but the patient status is unknown.It was not reported if there was bleeding or how much blood was lost, when the clip applier incised the artery.
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