It was initially reported that during a shift check, it was observed that the battery connector inside the battery bay of the autopulse platform was damaged.No patient involvement was reported.No further information was provided.The autopulse platform was subsequently returned to zoll for investigation.During investigation, the platform exhibited a user advisory (ua) 7 (discrepancy between load 1 and load 2 too large) fault.Although the customer did not report this, a ua 7 is considered a reportable malfunction.
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The autopulse platform (s/n (b)(4)) was returned to the manufacturer for evaluation.Visual inspection was performed and the battery connector inside of the battery bay was damaged, thus confirming the reported complaint.Unrelated to the reported issue, the bottom enclosure, load plate cover, and battery latch lock were also found to have been damaged.From the condition of the platform, the damages appear to have been caused by normal wear and tear.Functional testing was performed and the platform displayed a user advisory 7 (discrepancy between load 1 and load 2 too large) fault.Further inspection determined that the load cell modules were not functioning properly.Following replacement of the load cell modules, the device passed all functional testing.A review of the archive was performed and there were no user advisory codes observed on the reported event date.However, consistent with the observed ua 7 observed during functional testing, multiple ua 7 codes were seen on other dates.Based on the investigation, the parts identified for replacement were the battery connector, bottom enclosure, load plate cover, battery latch lock and load cell modules.In summary, the reported complaint of the physical damage to the battery connector was confirmed based on visual inspection and attributed to wear and tear.Unrelated to the reported complaint, the platform displayed a ua 7 during functional testing due to the load cell modules not functioning properly.Following replacement of the load cell modules, the platform passed functional testing.Following service, including replacement of the battery connector and load cell modules, the device passed all testing criteria.
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