It was initially reported that during a shift check, the clutch of the autopulse platform was sticky.No patient involvement was reported.The autopulse platform was subsequently returned to zoll for investigation.During review of the platform's archive data, it was observed that a user advisory (ua) 18 (max take-up revolutions exceeded) message occurred on the reported event date of (b)(6) 2014.Although the customer did not report this, ua 18 is considered a reportable malfunction.
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The autopulse platform in complaint was returned to zoll on 06/17/2014 for investigation.Investigation results as follows: visual inspection was performed and found the following damages: the front enclosure, bottom enclosure, and clutch plate were damaged.From the condition of the unit, it appears the damages were due to wear and tear.Functional testing was performed no issues were noted.A review of the archive was performed and revealed that a user advisory (ua) 18 (max take-up revolutions exceeded) fault occurred on the reported event date of (b)(6) 2014.From the data, it appears that the fault occurred due to no patient on the platform while the lifeband was being retracted.This fault is also known to occur when the lifeband is being stored in the ready position.Based on the investigation, the parts identified for replacement were the front enclosure, bottom enclosure, and clutch plate.In summary, the reported complaint of a sticky clutch was confirmed during visual inspection and was found to be due to normal wear and tear.Following service, including replacement of the damaged parts, the device passed all testing criteria.
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