Paragraph Number

253

Referring to FIG. 9C, the navigation guide 900 can include a registration key 938 on the inferior side 918 of the body 906. In the illustrated embodiment, the registration key 938 includes a protrusion that engages an opening between a cuneiform and a metatarsal of a tarsometatarsal (“TM”) joint. FIG. 9C illustrates that the navigation guide 900 can include a bone engagement surface 922 configured to register to an anatomical structure of at least one of the cuneiform, the metatarsal, and the TMT joint, the bone engagement surface 922 is defined based on medical imaging taken of the metatarsal and the cuneiform of the patient’s foot.

Added by DJM Jan 2024