Practical electro-therapeutics and X-ray therapy - with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray (1912) (14734192806)

Identifier: practicalelectro00mart (find matches)

Title: Practical electro-therapeutics and X-ray therapy : with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray

Year: 1912 (1910s)

Authors: Martin, James Madison, 1866-1947

Subjects: Electrotherapeutics X-rays Diagnosis, Radioscopic Eye Electric Stimulation Therapy X-Ray Therapy Ophthalmologic Surgical Procedures

Publisher: St. Louis : C.V. Mosby

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

Text Appearing Before Image:

posures, and neither is it important that the tube be shifted an exactor known distance for the second exposure, as by the use of thecharts and Doctor Sweets method the course of the rays are auto- X-RAY IN EYE SURGERY. 397 matically established, as is shown by lines Fx-P and Pl-P2 inFig. 211. The two exposures having been successfully made as directed, theplate-holder can now be removed and taken to the dark-room, whereit should be opened and the plate developed, and, if found to becorrect, the patient should be released.

Text Appearing After Image:

Front view. Side view. Fig. 211.—X-ray in eye surgery. Sectional view of the eye. To enable the student -to have a thorough understanding of thecorrect method of making the charts for the Rontgen localizationof foreign bodies in the eye or orbit, an example is here presented.1 and 2 in Fig. 210 show a shot correctly localized by this method,as seen in Fig. 211. On negative 2 in Fig. 210, which representsthe first exposure, a line is drawn through the horizontal axis of 398 PRACTICAL ELECTRO-THERAPEUTICS AND X-RAY THERAPY the indicator ball and cone, which are here superimposed, thereby-projecting their supporting stems and establishing the visual axisof the eye. A second line is drawn at right angles to the firstthrough the center of the shadow of the foreign body. With asmall pair of dividers, such as draughtsmen use, step the distancefrom the edge of the indicator ball to the intersection of the hori-zontal and vertical lines that have been drawn, then step the dis-tance off on th

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1912

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