Amputation at base of phalanx. A, Incision. B, Osteotomy of first proximal phalanx 1 cm from base. C, Racquet-shaped incision. Osteotomy of lesser toes also is made 1 cm from the base of the proximal phalanx. D and E, Wound closure. SEE TECHNIQUES 15.2 AND 15.4.