(b)(4).Arjohuntleigh has received a complaint where it was indicated that during the procedure of lowering a person that was seated on the alenti shower chair, the device chair became stuck in the highest position with the patient on the seat.As the device could not be lowered and the patient was safely taken off the lift manually.Neither patient nor caregivers have suffered any injuries.When reviewing similar reportable events, we have found a number of cases with similar fault description (alenti stuck in highest position).With the amount of sold devices and with comparison to the daily use of them the complaint ratio ((b)(4)) observed for reportable complaints with this failure mode on alenti is considered to be low and stable.Please note that arjohuntleigh manufactured more than (b)(4) alenti devices to date.It has been established that the hygiene chair (alenti) was being used for patient handling at the time of the event.The lift was inspected by our representative that visited the customer site and was found to have not been to specification at the time of inspection.From our investigation, it appears the most likely root cause for an event was that the alenti actuator malfunctioned and became stuck in its highest position, as a result of certain use situations that can be seen as off-label.The failure found here is not likely to appear on every device: a convergence of situations needs to occur for the failure to manifest itself.Based on the findings of the investigation, a corrective action has been requested, currently the issue is ongoing.The complaint history review shows that there is a low likeliness of risk for the patient when the actuator becomes stuck.
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