The facility reported that while the end user stood to use the walker, the left wheel broke and she fell.She suffered a dehiscence of her knee incision.She was taken to surgery to have the wound closed.Two leg extensions with wheels were returned by the facility for evaluation.The wheels on both returned leg extensions were bent and cracked.No voids were present on the fractured wheel.There is no evidence of any manufacturing defect.The walker was not returned and its overall condition is not known.It is unclear if this device had been used by multiple pts during the two years after it had been manufactured.Care and maintenance is not known.A root cause has not been determined.
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