Reports received claim the end-user had sustained a fracture to their tibia, but it was unknown how the injury was sustained or if the injury was sustained during use of the wheelchair.Reports provided claim the wheelchair has been evaluated and was found to be operating according to specification.It was reported the end-user has healthcare aids who supervise the patient at home, and there is an acknowledgment among the aids that the "stand" function on this device should not be used.Reporter in this case stated no parties could confirm the injury sustained was caused as a result of using the wheelchair or use of the stand function, but only that serious injury somehow has occurred and was presumed to have occurred while using the wheelchair.As device was found to be fully operational and no reports or claims were made of the device having contributed to the event, permobil is unable to determine a root cause.The reporter has speculated if the injury was sustained while operating the device, the most probable cause would be use error by inadvertently activating the stand feature.In effort to mitigate any accidental use of the stand feature on the wheelchair, permobil has provided recommendation as to how to disable the stand function until end-user is approved, by their physician, to continue the use of the stand feature.The dhr was reviewed and device met specification prior to distribution.
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