US Patent 9907561 Ankle replacement system and method

Surgical methods for multi-component ankle prosthesis are provided that include use of a guide arm, a ratchet arm frame configured to be coupled slidably to the guide arm, a ratchet arm configured to be coupled to the ratchet arm frame, and a sagittal sizing guide body configured to be coupled to the ratchet arm. Methods including a sagittal sizing guide body include positioning a first radiopaque object at a first position and a second radiopaque object located at a second position that is spaced apart from the first position.