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It was reported by a patient's wife that her husband, the patient, was scheduled for a tka revision surgery.Original left tka procedure took place on (b)(6) 2015.The following arthrex products were implanted during the (b)(6) 2015 procedure: tibial tray, ar-503-ttte lot 1336468 ((b)(4)), femoral implant, ar-516-5l lot 1373716 ((b)(4)), bearing implant, ar-513-be12 lot 113601403 ((b)(4)) and patella implant ar-504-psb8 lot 113601236 ((b)(4)).Additional information obtained (b)(6) 2016: revision surgery took place (b)(6) 2016.Revision was reported due to loose tibia.During the revision procedure the surgeon explanted the implants listed previously and completed the procedure using another manufacturer's product.Patient was a male, dob (b)(6) 1968, age (b)(6).Patient medical records date 8/16/16 noted: patient is a maintenance worker, heavy labor job, a lot of stairs, kneeling, lifting.He does walk up to 8 miles a day due to job-maintenance.Examination of the left knee demonstrated swelling, but no warmth.Palpation of the left knee demonstrated medial joint line tenderness and medial tibial plateau tenderness, but no lateral joint line tenderness.There was no pain with extension.Mild effusion and mid flexion laxity and pain were noted.Patient had pain through a limited passive range of motion with crepitus and swelling.Records noted the x-rays showed periarticular osteophytes and joint space narrowing.
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