The autopulse platform (s/n (b)(4)) was returned for evaluation on 05/19/2015 investigation results are as follows: visual inspection was performed, which found that the battery lock and front enclosure were damaged.From the condition of the platform, the damage appears to have been caused by normal wear and tear.Functional testing was performed and the reported complaint was confirmed; the platform's lcd was defective.The lcd was replaced to remedy this issue and following its replacement, the platform passed functional testing with no further issues observed.Load cell characterization was also performed and both load cells were functioning within specification.A review of the platform's archive was performed which found that a user advisory (ua) 18 (max take-up revolutions exceeded) message occurred on the reported event date of (b)(6) 2015.Per autopulse® maintenance guide (p/n 11653-001), ua18 is exhibited when the autopulse has detected that either the patient's chest is too small while sizing the patient (take-up) or that there is no patient on the platform.At the time that this ua was exhibited, there was no recorded load change.Based on the investigation, the part identified for replacement was the lcd display, battery lock and front enclosure.In summary, the customer's reported complaint that the lcd display was defective was confirmed.Unrelated to the reported complaint, the platform displayed a user advisory (ua) 18 on the reported event date.There were no device deficiencies found during evaluation of the platform which could have caused or contributed to the reported ua 18.The platform passed load cell characterization testing, which confirmed that both load cells were functioning within specification.The platform passed all final functional testing criteria.
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