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 8 states, "early or late postoperative, infection, and allergic reaction." number 10 states, "loosening or migration of the implants can occur due to loss of fixation, trauma, malalignment, bone resorption, excessive activity." number 13 states, "dislocation and subluxation due to inadequate fixation and improper positioning.Muscle and fibrous tissue laxity can also contribute to these conditions." number 20 states, 'persistent pain." this report is based on allegations set forth in patient¿s complaint, and the allegations contained therein are unverified.This report is number 2 of 2 mdrs filed for the same event (reference 1825034-2013-05120 and 05122).
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It was reported patient underwent a partial right knee arthroplasty on (b)(6), 2007.Subsequently, patient alleges pain.Patient further alleges undergoing x-rays on an unknown date noting implant migration and possible infection or loosening.There has been no reported revision procedure.This report is based on allegations set forth in patient's complaint and the allegations contained therein are unverified.
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