It was reported that patient enrolled in a clinical study underwent right partial knee arthroplasty on (b)(6) 2012 and left partial knee arthroplasty on (b)(6) 2012.During post-operative monitoring and testing, patient experienced left knee popliteus snapping and a partial tear.Subsequently, patient underwent arthroscopy with debridement and popliteal tendon release of the left knee on (b)(6) 2014.
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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 this type of event can occur: under possible adverse effects, number 14 states, "patellar tendon rupture and ligamentous laxity.".
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