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A New Idea for Portable Radiographic Machine 1 Robert B. Taft , M.D., B.S., F.A.C.R. Charleston, S. C. ↵ 1 Read before the Radiological Society of North America at the Eighteenth Annual Meeting, at Atlantic City, Nov. 28–Dec.1, 1932. Excerpt Portable radiographic work has never been very popular with most roentgenologists, but in certain cases it makes the radiographic examination accessible to the patient who would otherwise have to do without it. Lightness, simplicity, and ease of operation contribute greatly to the success of the work. A dental machine, which is found in many of the better equipped radiologic departments, with certain adaptations, makes an ideal low-powered portable. I have attempted to show in this paper that these adaptations can be easily arranged without, in any way, distracting from the usefulness of the machine in its intended use. While I would not recommend it for general radiography, still, when operated by a skilled technician, it is quite capable of making good films of any parts of the body except the abdomen. First of all, the lead wires must be connected to the plugs as shown in Figure 6, and if three different kinds of plugs are used, there is no possibility of the wrong connections being made when the machine is set up. The method of attaching the tube-head to the new stand is shown in Figure 7. Heavy springs in the able, unless it comes in contact with the patient, and only then as a precautionary measure, as there is ordinarily no potential on it. Only one difficulty was experienced in this conversion and that came about from the fact that the cover of the timer was grounded to one side of the circuit. This, of course, gave a half-and-half chance of connecting one side of the 110-volt line to the hand of the technician. To eliminate this unpleasant feature, it is necessary to remove this connection from the inside of the timer. The small focal spot of this tube, along with the total absence of the high tension lines, enables the tube-head to be placed close to the film and, in some measure, makes up for the lack of high power. It is a great source of pleasure to know that I will no longer have to see films being made with high tension lines weaving in and out of an entanglement of orthopedic apparatus. Copyrighted by The Radiological Society of North America, Inc.
Radiology – Radiological Society of North America, Inc.
Published: Mar 1, 1934
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