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 this type of event can occur: under possible adverse effects, number 20 states, "persistent pain." remains implanted.
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It was reported a patient enrolled in a clinical study underwent a right partial knee arthroplasty on (b)(6) 2008.Subsequently, the patient reported numbness in their thigh on (b)(6) 2008.On (b)(6) 2009, the patient reported spraining their knee.On (b)(6) 2009 the patient reported a flare up of low back pain which was treated with injection and pain medication.On (b)(6) 2010 the patient reported experiencing a right ankle injury.On (b)(6) 2015 the patient reported pain in the right knee.On (b)(6) 2016 the patient reported that their knee was buckling and they are experiencing periodic pain.Subsequently, a revision procedure has been indicated; however, no revision procedure has been reported to date.
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