Fig. 15

a Left to right, top to bottom: 1.6 mm K-wire to establish correct entry point for the guidewire and cannulated screw, fluro-checking the correct level of the osteotomy before the skin incision, creating a working space with a blunt elevatorium, drilling is deemed optional for the soft bone of the base of the proximal phalanx. b The osteotomy is proceeded until a medial closing of the osteotomy by passive abduction/varus-stress of the big toe is feasible