During conducting of the field action (z-2588-2021, fsn-poz-001-2021) on the enterprise 8000x bed, the arjo technician detected a malfunction of the indigo power supply cable that was already repaired by the customer staff.The cable had broken insulation and signs of burning marks.No patient was involved at that time.No injury was reported.Based on the photographic evidence provided, one of the internal wires was broken causing a short circuit.The part was replaced and reinstalled in accordance with the instructions by the arjo technician.An investigation performed by the manufacturer revealed that the damage of the indigo power supply cable was a result of the inner wire deterioration due to stress applied during up and down movements of the bed.As per the preventive maintenance section of the instructions for use for indigo (416260), the indigo cables should be examined for cuts, abrasions, kinks or other deterioration.When any malfunction is noticed, the device should be immediately withdrawn from use until the service is performed.The analyzed issue (power supply cable failure) was addressed by field safety corrective action z-2588-2021 (fsn-poz-001-2021) that has been already completed on the us market.Sum up, the cause of the reported power supply cable failure was determined as inner wire deterioration due to stress applied during the movement of the bed platform.Arjo device failed to meet its specification since the power supply cable was damaged.The device was not used for a patient treatment when the failure was detected.No injury was sustained.The complaint was assessed as reportable due to signs of burn marks on the power supply cable of indigo module (intuitive drive assist).
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