File:American X-ray journal (1897) (14570228458).jpg

Identifier: americanxrayjour1418unse (find matches)
Title: American X-ray journal
Year: 1899 (1890s)
Authors:
Subjects: X-Rays Radiography
Publisher: St. Louis : American X-Ray Publishing Co.
Contributing Library: The College of Physicians of Philadelphia Historical Medical Library
Digitizing Sponsor: Open Knowledge Commons and the National Endowment for the Humanities

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rays. The day after the patient arrived atthe hospital the limb was brought withinthe influence of the Roentgen rays andmeasurements made by means of the An observation was next made frombeneath the limb, it remaining in thesame position as before. It was foundthat the shot were practically in a line,which extended about one inch abovethe cross formed by the Fluorometer,and about two inches below the line ofthe cross section that is up and down thelimb. The forked sights were thenplaced in position, and the divergenceor obliquity of the rays eliminated, thus THE AMERICAN X-RAY JO CRXAL. i73 showing the exact position of what maybe called the layer of shot. It was upon this observation, whichwas later followed Dy operation, thatthe diagnosis was based, and it is per-haps of sufficient interest to warrant amore detailed description. After thefirst observation at the side a line ofIndia ink had been drawn around thelimb marking the cross section whichhad been produced by the Fluorometer
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appliance. A cross-piece was nextplaced over the upright arms of the Flu-orometer for maintaining the cross sec-tional view during the second observation and the tube was placed above thelimb, instead of at the side as before, theobserver with the Fluoroscope placinghimself beneath the table. The first ob-servation from this second view-point,was of course for the purpose of findingthe shot, and they were, as has been said. practically in a thin layer, the edge ofwhich layer was toward the observer.One of the forked sights was then placedon the Fluorometer arm nearest the ob-server, and thus nearer the screen of theFluoroscope, in such position that thelayer of shot intersected the notch of thesight and about midway of its length:that is up and down the limb. On theupper arm of the Fluorometer nearestthe tube (now the crosspiece) was placed a second forked sight, at a point equallydistant with the first from the left side otthe Fluorometer. The tube was thenshifted until the grooves o

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