(b)(4).Concomitant medical products: articular surface fixed bearing cruciate retaining (cr) catalog # 42522000513 lot # 63608349.All-poly patella cemented 32 mm diameter catalog # 42540200032 lot # 63854106, tibia cemented 5 degree stemmed right size e catalog # 42532007102 lot # 63776388, palacos r 1x40 single catalog # 00-1112-140-01 lot # 86494598.Customer has indicated that the product will not be returned because it remains implanted.The investigation is in process.Once the investigation has been completed, a follow-up mdr will be submitted.Multiple mdr reports were filled for this event: 0001822565-2022-03338, 0002648920-2022-00256.
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This follow-up report is being submitted to relay additional information.Arthrofibrosis is defined as the development of fibrous scar tissue within or surrounding a joint.Arthrofibrosis is a known postoperative procedure related complication that can occur from surgical implantation of new joint replacement as well as from previous injuries or surgical procedures.Scar tissue formation is a normal healing response; however, the buildup of such can result in pain, stiffness, limited range of motion, and difficulty properly ambulating.If excess scar tissue develops, conservative measures such as exercises or physical therapy would be attempted first.If these attempts fail, surgical intervention such as manipulation under anesthesia, arthroscopic arthrolysis, or open arthrotomy would become necessary to remove the fibrous tissue and restore joint function.If any further information is found which would change or alter any conclusions or information, a supplemental will be filed accordingly.Zimmer biomet will continue to monitor for trends.
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