. American X-ray journal . frame and screenare both held in position by the stand, point. By means of two movable wires,a point may be accurately noted; bymeans of four wires an organ, for ex-ample, the heart, can be framed. And,if a further wire is set to a certain pointin the body one can determine the posi-tion of the organ in the body to a certaindegree of accuracy. The Dennis lluorometer (Fig. 3) en-ables us to ascertain still better, and withmore exactness, the position which anyorgan or foreign body, fragments of thebones, etc., seen on the field of the rluor-oscope, occupy in the human
. American X-ray journal . frame and screenare both held in position by the stand, point. By means of two movable wires,a point may be accurately noted; bymeans of four wires an organ, for ex-ample, the heart, can be framed. And,if a further wire is set to a certain pointin the body one can determine the posi-tion of the organ in the body to a certaindegree of accuracy. The Dennis lluorometer (Fig. 3) en-ables us to ascertain still better, and withmore exactness, the position which anyorgan or foreign body, fragments of thebones, etc., seen on the field of the rluor-oscope, occupy in the human accomplish this result it provides: A position of the body or limb„ bywhich what may be called for want of amore precise term a perfected shadow,is throw n on the field of the fluoroscopeor on the sensitive plate, film, or paper,at the same time giving the surgeondata which will not only enable him tomake his measurements, but to repro-duce the exact position of the body orlimb, tor purposes of exploration or. Fig. .5. Dennis Flnorometer. both Mir hands arc at liberty, and the operation. eliminatesslides gliding on the brass rails may be the element of distortion in the shadowmoved to sel the- wires at any desired caused by the changing position of th- THE AMERICAN X-AA Y JOURNAL. 113$ body or the limb. This apparatus com- angle, at the intersection of the linesbines the operating table with a localizer, of which the foreign object will be found 1 Fig, 4. Fluorometer Appliance Adjusted to Position of the Patient Examined. The distortion caused by the position in the body ; or the fragments of theof the subject having been eliminated, fractured bones may be seen withoutthe fluorometer provides an accurate moving splints in the limbs, and better
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectxrays, bookyear1902
