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With his usual mastery of presentation the author discusses in the first part the treatment of fresh fractures from the anatomic, physiologic and mechanical points of view. It centers around the use of the author's lag screw, which has the advantage of holding the well adapted fragments closely impacted against one another during the entire process of healing. Abundant x-ray and histologic slides show that the formation of callus proceeds without interference at the impacted surfaces. A large part is taken up with the technic, presented in minutest detail, reduction by traction preoperative preparations. Especially interesting is an x-ray check-up facilitated by a two tube portable machine and by a developer stationed in the operating room, with special rapid developing fluid. This allows the x-ray image to be seen in ten minutes. As a guide he uses the Vals-Lagomarsino instrument, essentially a parallelogram with one side open and one side
Cura operatoria delle fratture del collo del femore. JAMA. 1940;115(8):640. doi:10.1001/jama.1940.02810340068044
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