1A.14 Lengthening of 1st metacarpal by callotasis in a patient with amputation of the thumb; M400 series.

1A.15 Lengthening of the 1st metacarpal by callotasis in a patient with amputation of the thumb (M100 series).

1A.16 Lengthening of the 1st metacarpal by callotasis in a patient with amputation of the thumb (M100 series). Image shows use of a T-Clamp where space is limited.