File:American X-ray journal (1897) (14570399447).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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edle which he supposed was in the palmof the hand, hut which he could not feel,will be only too glad to be able to call tohis assistance the use of the x-rays. In locating a foreign body it is notenough to get a general idea of its posi-tion, but we desire its exact location, thatwe may decide on the best way to proceedto its removal. This is easily done in thearm or other nearly circular portion of thebody by taking two observations—one frombefore backwards and one from side toside. With the hand the observation frombefore backward is easily and accurately made, but the one laterally is not so satis-factorily taken, owing to the great differ-ence in the thickness of the part in thesetwo directions. For surgical purposes the position of theforeign body relative to the bones is thepoint of importance—whether the foreignbody be imbedded in bone or in the softparts. If it is nearer the dorsal side of thebone, the incision w ill be made from thedorsal surface: but if nearer the palmar
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side of the bone, the incision will be madefrom the palmar surface, irrespective ofthe depth to which the incision must becarried. I have found that this relation-ship can be easily ascertained by takingtwo pictures on different parts of the sameplate. One end of the plate is coveredwith a heavy sheet of lead, practically im-pervious to the x-rays, while the other endis being exposed to the x-rays through thehand. The first picture is taken with thetube directly over the hand, and the otherpicture on the other end of the sensitiveplate without moving the tube or the plate. L2 THE AMERICAN X-RAY JOURNAL In the accompanying picture the needlein the left-hand figure, which is the onetaken with the tube directly over the hand,appears to be by the side of the metacarpalbone of the middle finger and almost par-allel with it. whereas in the right-handfigUre the needle seems to be at somedistance to the left, and seems to divergefrom the axis of the bone, thus showing,when the location of the

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