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May 2, 1925


Author Affiliations

New York
From the Department of Traumatic Surgery, New York Post-Graduate Medical School and Hospital.

JAMA. 1925;84(18):1333-1334. doi:10.1001/jama.1925.26620440001007

Without doubt, many surgeons have long desired an electric cable driven tool holder that would be as nearly fool proof as the dental engine or the portable electric drill of the mechanic. Existing devices are for the most part rather complicated, and therefore expensive as to initial outlay and upkeep. Most of us do not want an outfit capable of doing every kind of bone surgery, but in the main wish an apparatus to cut a bone graft, fashion a bone pin or bore holes in bone.

The present apparatus is of two types. The favorite, and justly most widely used, was introduced by Hartley and Kenyon in 1907, and consists of a hand held motor covered by sterilizable shell casings to which the tools are directly attached. It is interesting to note that Hartley and Kenyon, from 1900 to 1907, used a flexible shaft made of links or twisted

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