This companion driver caddy was not in use by a patient.The companion driver caddy is a small cart with wheels into which the companion 2 driver docks.It is designed to facilitate mobility of stable patients while in the hospital.The caddy can be plugged into external wall power to provide a redundant power source to the docked companion 2 driver.The customer reported that the companion driver caddy "does not seem to charge anymore".This alleged failure mode poses a low risk to the patient because the issue was observed when the companion driver caddy was not in use by a patient.In addition, it would not prevent the companion 2 driver from performing its life-sustaining functions.The companion 2 driver has redundant, alternate power sources of external batteries and an internal, emergency battery.An investigation will be conducted by syncardia and the results will be provided in a supplemental mdr.
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