The autopulse platform (s/n: (b)(4)) was returned for evaluation.The customer reported complaint was confirmed during archive review but not during initial functional testing.There were no device deficiencies found during evaluation of the platform which could have caused or contributed to the reported complaint.The platform is working as intended for use.No physical damage was observed during visual inspection.Review of the archive data indicated error message ua 21 on january 31, 2017, but not on the customer reported date.This fault indicates that the computed compression target position exceeds allowable revolutions and the spool shaft turns in the wrong direction.The platform passed the initial functional testing without any fault or error.A run-in test was performed using the 95% patient large resuscitations test fixture (lrtf) with a known good test batteries until discharge without any fault.Historical complaints were reviewed for service information related to the reported complaint and there was no previous history of related complaints for autopulse sn (b)(4).
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