It was reported that patient underwent a bilateral hip arthroplasty on an unknown date.Subsequently, patient underwent a revision procedure on (b)(6), 2014 where spacer molds were implanted due to infection.It was further reported that the femoral stem bent resulting in a fractured femur.Subsequently, patient underwent a revision procedure on an unknown date where the spacer molds were removed.A review of the invoice history confirmed the (b)(6), 2014 surgery date.
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Current information is insufficient to permit a conclusion as to the cause of the event.Review of device history records show that lot released with no recorded anomaly or deviation.There are warnings in the package insert that state that these types of events can occur: under contraindications, number 4 states, "poor bone quality (as in osteoporosis) could cause the hemi-hip prosthesis to migrate or to fracture host bone.".
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