(b)(4).The device was returned to the factory for evaluation.Signs of clinical usage and slight evidence of blood were observed.The delivery device was returned outside of the loading device.Specks of blood were observed on the loading device and on the delivery device plunger.The anchor and tension spring assembly were observed not to be fully loaded into the delivery tube.The seal was observed to be extended outside the delivery tube.The blue slide lock was engaged and the plunger was not pressed on the delivery device.The tension spring assembly and the seal were then pulled out from the delivery tube for inspection.Microscopic inspection showed the seal intact, without cracks nor delamination.The following measurements of the delivery tube were taken: inner delivery tube diameter was measured at 0.196 in.The outer diameter was measured at 0.221 in.The length of the delivery tube was measured at 2.52 in.The measurement values recorded for the delivery tube were within the tolerance specifications.Based upon the received condition of the device, and the results of the evaluation, the reported failure mode "activation problem; seal" was not confirmed, but was confirmed for the analyzed failure mode "fitting problem".A lot history record review was completed for lots 25135995, 25136794, and 25137394 the last 3 lots shipped to the account prior to the event date.There were no ncmr¿s recorded in the lot history.
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