The autopulse platform in complaint was returned to zoll on 06/30/2014 for investigation.Investigation results as follows: visual inspection of the returned platform shows that the user interface (ui) membrane was damaged.The physical damage found during visual inspection confirmed the reported issue that the information on the display was not clearly seen.The damage appears to have been caused by normal wear and tear (autopulse manufactured in may of 2011).A review of the autopulse archive was performed and the archive data shows that no clinical use with a patient occurred on the reported event date of (b)(6) 2014.Functional testing was performed and the platform passed the initial system test.In addition, the ui window was observed to be scratched during testing of the platform which confirmed the reported issue that the display was damaged.Based on the investigation, the parts identified for replacement were the ui membrane and the ui window.In summary, the reported complaint that the information on the display was not clearly seen was confirmed during visual inspection.The fault was found to be due to the damaged ui membrane.The reported issue of the display being damaged was confirmed during functional testing of the platform.The damage was found to be a scratched ui window.Upon replacement of all parts, the platform was re-evaluated through functional testing and passed all testing criteria.
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