There was no patient involvement.Livanova (b)(4) manufactures the s5 double head pump.The incident occurred in (b)(6).A review of the dhr did not identify any deviations or non-conformities relevant to the reported issue.The pump serial read-out analysis confirmed the reported error message.A livanova field service representative was dispatched to the facility to investigate the device and could confirm the reported issue.The failure was traced back to the variolock which was loose and could not take tubing in place with its consequent movement within the pump head and kinking.This in combination with a high occlusion set by the user likely led to the reported error message.The variolock tubing clamp was replaced and the pump properly worked.Subsequent functional verification testing was completed without further issues and the unit was returned to service.
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