The TNK prosthesis was developed by Dr. Takakura in Japan in 1975. It is currently the only total ankle prosthesis with alumina ceramic components.

Total ankle arthroplasty provides an alternative to arthrodesis for management of ankle arthritis. What is the outcome of total ankle arthroplasty implants currently in use? We conducted a systematic literature search of studies reporting on the outcome of total ankle arthroplasty.

Total ankle replacement has emerged to a valuable alternative to ankle arthrodesis, and satisfactory results have been achieved with the current implants. The bone-implant interphase might play a most important factor for success.

The TNK ankle is a 2-component semiconstrained type of total ankle implant, developed in 1975. The first-generation model was designed to include a polyethylene tibial implant and a stainless steel talar implant.

Outcomes of TAA using the TNK ankle prosthesis were favorable in patients with severe varus ankle and in those with neutral ankle without concomitant osteotomy. Satisfactory outcomes could be achieved in patients with severe varus ankle alignment after …

Nov 23, 2012 · CT can supplement the postoperative evaluation of total ankle arthroplasty devices by providing a more detailed evaluation of implant components and surrounding osseous change.

The ideal indication for total ankle replacement is advanced, complete osteoarthritis of the ankle (primary, secondary, or posttraumatic) with good bone quality, neutral alignment, good stability, and preserved mobility of the ankle.

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We report the results of total ankle arthroplasty (TAA) of 21 ankle joints performed on 19 patients with rheumatoid arthritis (RA) using the Japanese TNK ankle system. The clinical evaluation for an average follow-up period of 33.8 months was based on the ankle analysis system.

Oct 6, 2016 · Twenty four cases of total ankle arthroplasty with TNK-Ankle for osteoarthritis in stage 3b and 4 operated by an expert surgeon from 2009 to 2013 have investigated on X-rays of preoperative unaffected and postoperative affected ankles.