The autopulse platform (sn (b)(4)) was functionally tested and displayed a user advisory (ua) 12 (lifeband not present) during initial power on.The root cause for the ua 12 error messages is due to the lifeband switch assembly being out of specification.Review of the archive data confirmed the occurrence of ua 12 error messages on (b)(6) 2017.This is likely the device issue observed by the user on (b)(6) 2017, thus confirming the reported event.As part of routine service during testing, the platform was examined and found no physical damage and no other functional issue.The lifeband switch assembly was readjusted to specification and this resolved the ua 12 error message.The secondary issue of an observed grinding noise was not reproduced during evaluation.The device was further functionally tested and operated as intended without any fault or error observed.The device passed all final testing criteria.Historical complaints were reviewed for service information related to the reported complaint and there was no previous history of complaint reported for autopulse with serial (b)(4).
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During patient use, the user reported that the autopulse platform (sn (b)(4)) malfunctioned and failed; however, the user was unable to specify details regarding the observed issue.Additionally, the user also observed that the device exhibited loud grinding noise during compression.Following this the user reverted to manual cpr.No error message was observed.No known impact or patient consequence was reported.
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