File:Orthopaedic surgery for students and general practitioners - preliminary considerations and diseases of the spine - 114 original illustrations (1907) (14784175615).jpg
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DescriptionOrthopaedic surgery for students and general practitioners - preliminary considerations and diseases of the spine - 114 original illustrations (1907) (14784175615).jpg
Text Appearing Before Image: Fig. 47. Fig. 48. Fig 47. Upright Kyphotone, Showing a Case of Potts Disease.PiG. 48. Same Case with Kyphotone in Action. 118 ORTHOPEDIC SURGERY. than in the region of disease and more marked than wasdesirable, but the pressure rod on the knuckle obviated this, making the region of thegibbosity the center ofthis arc. (Figs. 46,47,48 and 49.) The comparativevalue of suspension andhyperex tension in thecorrection of the de-formity of Potts Dis-ease is well shown inphotographs. In adouble photographicexposure the lower pho-tograph shows the childsitting on the kypho-tone and the largeknuckle is well seenagainst the back-ground. The upperphotograph shows thechild suspended by theSay re head sHng onlyand the knuckle is vir-tually of the same sizeit was before tractionwas made. In anotherpicture of the samechild, taken at thesame time, we see trac-tion has been made onthe head, the arms have been carried upwards and back-wards, the pelvis has been made fast by the wide webbing Text Appearing After Image: Fig. 49. Same Case with KesultingJacket and Correction op Deformity.Summer or Figure of 8 Jacket. TUBERCULAR LESIONS OF THE SPINE. 119 strap and the pressure rod has been apphed, causing hyper-extension at the knuckle, with the result that the spine isvirtually straight. (Figs. 50 and 51.) In Fig. 52 we seethis patient cured with a straight spine.
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