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Investigation revealed that the root cause of this failure mode is contributed to "improper use - device interface".The patient reported driving 7.5 mph (top speed) when his two dogs came around the corner.The patient reported that they tried to avoid running over his dog and took a hard-left turn.The patient reported that because he was not wearing a positional belt as required when occupying the device, he fell from the seating system and broke his leg (tibia bone).The patient reported that the wheelchair did not cause or contribute to this event.The wheelchair was returned to permobil in a fully stood up seat position with mechanics under the seating system that allow stand, tilt and elevation was bent from an external source causing the seat frame to be stuck in a stand position unable to operate.As far as the rest of the wheelchair, no additional damages could be found.The damages done to the seating system cannot be explained or linked to the event described.When questioning the patient, a reason could not be given for this damage.In an attempt to prevent improper use, the patient was informed to always wearing a positional belt when using the device and to always report damages immediately when they occur and stop using the device until approved by a certified technician.The dealer was supplied the spare parts needed to repair the wheelchair back to factory specification.The dhr for this device was reviewed and the wheelchair met specification prior to distribution.
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