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Corrected information for supplemental medwatch report 001 -- section d4, model #, of the initial medwatch report stated: prt-01098-100.Section d4, model #, of the initial medwatch report should have stated: v+c, japanese.Section d4, udi #, of the initial medwatch report stated: (b)(4).Section d4, udi #, of the initial medwatch report should have stated: (b)(4).New information for supplemental medwatch report 001 -- h6: the device was not returned to ventec for evaluation.The device was further evaluated by the authorized service provider (asp) where the reported issue of the ventilator being unable to maintain peep (positive end expiratory pressure) could no longer be duplicated or confirmed.The asp advised ventec that they determined that the waveform was abnormal due to leakage from the test lung and not due to a device malfunction.Proper device operation was confirmed through functional and performance testing.The investigation determined that the cause of the reported issue was asp operator error and not the result of a device malfunction.
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