During investigation testing, the driver performed as intended and there was no indication of a device malfunction.The patient data file was reviewed and revealed a shutdown command coinciding with the customer-reported time of the driver stop.The key switch is the only component that will cause a shutdown command to the driver.When the shutdown command is initiated, there is no audible alarm because the driver is acting as intended when the key is turned.The most likely root cause of the customer-reported experience was use error as the key was left in the key switch during patient support.The syncardia companion 2 driver system operator manual, section 6.3 interfaces states: "when the driver is on, the key must be removed from the driver to prevent unintended interruptions to driver operation.Once removed, the key may be stored in a location determined by the clinical staff." this issue will continue to be monitored and trended as part of the customer experience process.Syncardia has completed its evaluation of this complaint and is closing this file.(b)(4).
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The customer, a syncardia certified hospital, reported that the companion 2 driver stopped without an alarm while supporting a patient.The customer also reported that the patient became unresponsive.The customer also reported that the patient was switched to a back-up companion 2 driver and recovered.The customer also reported that upon inspection of the companion 2 driver, it was noted that the key was in the switch and turned to the off position.
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