Röntgen rays and electro-therapeutics - with chapters on radium and phototherapy (1910) (14571589599)

Identifier: rntgenrayselectr00kass (find matches)

Title: Röntgen rays and electro-therapeutics : with chapters on radium and phototherapy

Year: 1910 (1910s)

Authors: Kassabian, Mihran Krikor, 1870-1910

Subjects: Electrotherapeutics X-rays Phototherapy Radiology Radiotherapy

Publisher: Philadelphia & London : J.B. Lippincott Company

Contributing Library: Francis A. Countway Library of Medicine

Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

Text Appearing Before Image:

d) withthe line of crests resting upon C D and its antero-posterior diameter inline vrtth E F. In order to operate upon a living person, it suffices to replace thedry pelvis by the subject to be examined, who must lie so that the pelviswill assume the same position. By using the data given, the measure-ments may be accurately obtained. The patient can be made more comfortable by employing theauthors tube-holder and table, placing the tube under the table andhaving the patient assume the dorsal decubitus position ; often theTrendelenburg position is useful, because of the gravitation of theabdominal contents toward the diaphragm, thereby lessening theobstruction to the rays. Contremoulins,^ of Paris, takes two skiagrams, with the tube in two ^Bouchard, Traite Radiologie Medicale, p. 1010, a contributed article byM. Fabre. 364 ELECTRO-THERAPEUTICS. different positions, Avithout disturbing the patient or altering the planeof projection. The first negative is taken and then removed, and a

Text Appearing After Image:

Fig. 196.—Vamiers arrangement for radiography. second plate is placed in the same position. In each instance the normalpoint of incidence is indicated on the skiagram. A tracing of the salientpoints is made, to be ultimately transferred to a zinc plate. Threads arestretched from points in the latter by which the two cones of projection APPLICATION IN THE SPECIALTIES. 365 may be redrawn, their apices corresponding to the tvro positions of theCrookes tnbe. The intersection of these cones is an index of the positionand size of the pelvic inlet. Stereo-skiagraphy of the pelvis is the best method to employ inpelvimetry and for the study of pelvic deformities. The data given in the above table are those used in the special radio-graphic department of the Baudelocque clinic, founded by Prof. Pinardand Dr. Tarnier. Williams ^ says : In order to determine the transverse diameter ofthe superior brim of the pelvis, the following method has been devisedby me, by which the two halves of the pelv

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1910

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