Patent ID: 8048164

Claim:
An ankle prosthesis configured to be attached to a calcaneus and a talus, the talus having a flat surface formed at an upper portion, the ankle prosthesis comprising: a lower prosthesis body including: a talo-calcaneal stem sized and configured to be disposed within a cavity formed through the talus and the calcaneus, the talo-calcaneal stem having an upper end including a Morse taper, said talo-calcaneal stem having a length sufficient to extend across a joint between the talus and calcaneus while the lower end is disposed within a distal part of the calcaneus and the upper end is disposed within a top of the talus; a tray having a first portion configured to be disposed over the talo-calcaneal stem and fixed to the flat surface formed on the talus, said tray including an overhang portion extending from the first portion at angle, the overhang portion sized and arranged to extend outward of the talus and to overlap a portion of the calcaneus, said overhang portion including a region attachable to the calcaneus; and a generally convex dome configured to lock to the Morse taper of the talo-calcaneal stem; and an upper prosthesis body including: a tibial stem configured to be disposed in a tibia, the tibial stem including a Morse taper at a lower surface; and a generally concave dome configured to lock to the Morse taper of the tibial stem.