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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e found that the bullet occupied dur-ing the exposures with reference to thereferences discs, and by means of ascrew ring one fixes upon the needle thepoint at which it stops in the guide whenits extremity is in contact with place thebullet occupied. Now the operating compass beingadjusted it only remains to transfer it to the patient and the surgeon guided bythe needle may begin his work. In or-der to do this the needle is first removed,and the compass feet are placed on theregister points already marked on theskin. The needle is placed in its guide,and by sliding indicates the direction inwhich the ball is to be found. The depth is indicated by the distance be-tween the guide and the ring which wasscrewed upon the needle. The branch holding the needle, beingadjustable at will, may be so placed thatthe surest, safest and shortest way to the object sought may be selected.Whatever the path selected, the needlewill always indicate the exact directionand depth, and during the operation the
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Fig- 3 needle will constantly indicate throughthe distance of the ring from the slidethe exact distance at which the operatoris from the projectile. The compassheld in position on the head is shown inFigure 3. M. Contremoulins claims that hismethod when applied with his completeand expensive apparatus will find thecentre of a projectile in the brain with THE AMERICAN X-RAY JOURNAL. an error not greater than a half a milli-meter. If his operation compass isused in the manner just described withthe same care an equal degree of accur-acy ought to be obtained, although a halfa millimeter is a very small error. Thismethod has the further advantage of notrequiring his expensive pieces of auxil-iary apparatus. Walter H. Merrill. LUPUS TREATED BY X-RAYS. BY J. RUDIS-JICINSKY, A. M., M. D. We all read about the risk of settingup x-ray dermatitis, etc., and know, thatthe powerful x-ray has an influence upontissue causing inflammation of the con-junctivae, lips and of the skin of the face.This h

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