The reported complaint of lifeband would not adjust to patient's chest on the autopulse platform serial #(b)(4) was not confirmed during functional testing.However, user advisory - ua07 (discrepancy between load 1 and load 2 too large) was observed in the archive data, thus confirming the reported complaint.The investigation findings revealed that the root cause of the reported issue was due to the patient not oriented on the autopulse platform correctly or the patient has shifted during compression as result of unintended user error.Unrelated to the reported complaint, a cracked front cover of the ap platform was observed during visual inspection.This type of physical damages attributed to user mishandling.The damaged part was replaced.In addition, the encoder drive shaft does not rotate smoothly, exhibits binding and resistance.The clutch plate was deburred to remedy the fault.During archive data review, multiple ua07 error messages were observed.Thus, confirming the reported complaint.The ap platform passed all functional tests without any fault or error during the initial functional testing.The autopulse platform is ready for clinical use.Historical complaints were reviewed for service information related to the reported complaint and there was no similar complaint reported for autopulse serial number (b)(4).
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