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March 15, 1919, Vol 72, No. 11 >
ARTICLE | March 15, 1919

EMPLOYMENT OF CALIPERS IN FRACTURES OF THE FEMUR

DENNIS W. CRILE, M.D.
JAMA. 1919;72(11):789-794. doi:10.1001/jama.1919.02610110021006.
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ABSTRACT

In view of the extensive use to which the caliper has come, as introduced into general practice by Lieutenant-Colonel Besley, U. S. Army, I think it may be useful to put forward some observations in regard to the many points that have arisen. These observations are based on the study of about 300 cases, which I have been able to follow closely during the past year, and the casual observation of many others.

It is my belief that in this instrument we have realized one of the benefits that go to justify the sacrifices made by so many splendid heroes. However, it can be misused, misapplied and abused. The outstanding virtue of the instrument lies in the fact that a direct force can be applied to the bone without damaging it and without penetrating its cortex. Penetration of the cortex means misuse of the instrument or some fault in construction.

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