JAMA. 1907;XLVIII(25):2116. doi:10.1001/jama.1907.25220510034002d.
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The advantages claimed for this instrument are: With its use only a perfect circumcision can be performed; the glans penis is absolutely protected from injury, and the operation can be completed before removing the forceps.

The instrument may be made considerably smaller than shown in the illustration, except that the button and clamp should correspond to the size of the glans penis. It consists of six parts: 1, The handle; 2, a concave button; 3 and 4, clamps; 5, a clamp ring, and, 6, a clamp holder. The button screws on the handle and may be replaced by a larger or smaller one to suit the occasion. The clamps are so hinged that they also may be removed by closing them and sliding the clamp ring off. The circular parts of the clamps are about one-sixteenth inch larger in diameter than the button. The button has concave depressions opposite the


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