Surgeon did not cut correctly so the foot was after surgery still in varus and the tibial plate did not integrate.He needed to exchange the tibial component and the talar insert.
Additional Manufacturer Narrative
The revision reported was likely the result of human error, as stated in the experience report provided.In the operative techniques for both the mobile bearing and fixed bearing total ankles, proper technique for addressing varus deformity and proper varus/valgus alignment of the ankle is included.See 721-00-30 and 721-00-31 for details.