Identifier: systemofinstruct00mone (find matches)
Title: A system of instruction in X-ray methods and medical uses of light, hot-air, vibration and high-frequency currents : a pictorial system of teaching by clinical instruction plates with explanatory text : a series of photographic clinics in standard uses of scientific therapeutic apparatus for surgical and medical practitioners : prepared especially for the post-graduate home study of surgeons, general physicians, dentists, dermatologists and specialists in the treatment of chronic diseases, and sanitarium practice
Year: 1902 (1900s)
Authors: Monell, S. H. (Samuel Howard), d. 1918
Subjects: Vibration X-rays Diagnosis, Radioscopic Thermotherapy Electrotherapeutics X-Ray Therapy Vibration Diagnosis
Publisher: New York : E.R. Pelton
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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bythe angle of the rays has been eliminated (as shown in diagram A),Measurements, taken with the eye by means of the metallic grating,will thus enable the surgeon to discover unerringly the position of theobject with reference to the surface of the limb which contains it. How far in from the surface of the body it may be, however, is,at this point, still unsolved. (See diagrams in Plate No. Y3.) Marking the wrist between the vertical arms of the Pluorometerfor convenience, and also marking the points indicated by the pinsor sights, the limb still maintaining the same cross-section is given aquarter turn as shown in plate 72. The pins are again adjusted asbefore, establishing a new line through the bullet and the cross-sec-tion of the wrist as shown in diagram B. The position of the pinshaving been again marked, it will be found that the bullet is situatedat the intersection of the two right lines as indicated in diagram C. The method of adjusting the pins or sight referred to is sucli
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Plate 70.—Primitive Localization. A method of localizing a bullet. This case is insert-ed to illustrate the phases of the growth of modern scientific localization. Says the surgeon :The patient, a man aged twenty-one, came to the hospital three months ago with bullet inhand ; hand much swollen and very painful. Took an ordinary radiograph, which plainlyshowed the bullet in the palm apparently resting on the bones of the carpus. With this picture before me I cut down to the bone, but even after prolonged searchfailed to find the bullet. I tried several experiments in localization by making lines on thehand with various paints of lead, merciiry, and bismuth. All of these were photographed on aplate more or less distinctly, but did not show lines definite enough for the purpose. It thenoccurred to me to have a grid made of iron-wive as shown in photograph B. This was paintedon one side with an aniline dye and fixed to the palm. The palm with the grid in situ wasthen placed on the sensi

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