The autopulse platform (s/n (b)(4)) was returned to zoll for evaluation.Investigation results as follows: device history record (dhr) was reviewed for service information related to the reported complaint and there was no previous history of complaint reported for autopulse with serial number (b)(4).A visual inspection of the returned autopulse platform was performed and found that front enclosure was cracked.The autopulse platform is a reusable device and was manufactured on 06/18/2012.Therefore, this type of physical damages found during visual inspection is characteristic of normal wear and tear for the life of the device.A review of the platform archive log showed no problem found in the archive file.The platform was functional tested and the autopulse exhibited no user advisory messages.In summary, the customer's reported complaint of fan is consistently making a loud noise was confirmed.The cause was a paper was stuck in the fan.Therefore the potential root cause was user handling.The paper was removed to remedy the issue.Additionally, during routine service of the platform the lifeband was observed to be loose (unable to lock in place) which is unrelated to the reported complaint.The channel roller assembly was replaced.The platform passed all final testing criteria.
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It was reported that during shift check, the fan on the autopulse platform was consistently making a loud noise.The customer stated that all other functions on the platform work as expected.There was no patient involvement reported.Unrelated to the complaint, during service of the autopulse platform, it was noted that the lifeband was loose (unable to lock in place).The customer was contacted on 04/27/2016 who informed that they did not experience the lifeband being loose.
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