The autopulse platform (s/n (b)(4)) was returned to the manufacturer for analysis.Visual inspection of the returned platform shows that the bottom enclosure and the battery lock were damaged.The physical damages found during visual inspection are not related to the reported complaint that the platform displayed a user advisory 12 (lifeband® not present) fault.The damages appear to have been caused by normal wear and tear (autopulse manufactured in 1/2011).A review of the autopulse archive was performed and the archive data shows that no sessions occurred on the reported event date of (b)(6) 2014.However, the archive data shows that multiple ua12 faults occurred on (b)(6) 2014.Functional testing was performed and the reported complaint was able to be reproduced.User advisory 12 was observed upon power up.It was noticed that the switch arm was out of adjustment.After the switch arm was readjusted, the platform was tested with a mannequin for approximately 14 minutes and no problems were found.Based on the investigation, the parts identified for replacement were the bottom enclosure, battery lock, and the battery cable.In summary, the reported complaint was confirmed based on review of the archive and during functional testing.The fault was found to be due to the switch arm needing to be readjusted.The physical damages found during visual inspection are unrelated to the reported complaint.Upon replacement of all parts, the platform was re-evaluated through functional testing with a large resuscitation test fixture equivalent to 250 pound patient, for approximately 20 minutes and the platform passed all testing criteria.
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