104. Hamilton's Cranial Bone Forceps

1922 BJOG: an International Journal of Obstetrics and Gynaecology  
Weight 6 oz. (170 grms.); length I I in. (28 cm.); length of blades to lock, 4 in. (10.16 cm.). A small, light instrument, with the blades made after Simpson's type, the left or lower blade fitting into a fenestra in the upper, and much narrower than in Simpson's. The blades are curved on the flat, the lower is flattened antero-posteriorly and smooth, its inner edge, in. (0.3 cm.) broad, is finely serrated along each border. 'lhe free edge of the fenestra in the concave side bears wide blunt
more » ... oves. Scissors-hinge, shanks long and straight, with ordinary scissors-rings at their free ends. This instrument is worked by a removable screw bar fixed by a Charrikre-Ydan joint to the end of the handle of the left blade, passing through a fork in the opposite blade ; a winged travelling screw closing the blade. This mechanism is the same as is applied to the handles in Blot's cephalo,tribe, No. I 14.
doi:10.1111/j.1471-0528.1922.tb16378.x fatcat:tuviruq3vrbixioqc5nwvthcnm