. Practical electro-therapeutics and X-ray therapy : with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray . ent of a sedative nature isrequired—the relief of acute congestion, inflammation, pain, andan increase of nutrition. The second is indicated in low chronicconditions, where the vital resistance is below normal, includingseveral forms of nervous and skin diseases. The third, or high ELECTROSTATICS 69 vacuum tube, combines the destructive effects of the x-ray with theactive stimulating effects of the Tesla currents, and may be mostef
. Practical electro-therapeutics and X-ray therapy : with chapters on phototherapy, X-ray in eye surgery, X-ray in dentistry, and medico-legal aspect of the X-ray . ent of a sedative nature isrequired—the relief of acute congestion, inflammation, pain, andan increase of nutrition. The second is indicated in low chronicconditions, where the vital resistance is below normal, includingseveral forms of nervous and skin diseases. The third, or high ELECTROSTATICS 69 vacuum tube, combines the destructive effects of the x-ray with theactive stimulating effects of the Tesla currents, and may be mosteffectively used in the treatment of the various forms of malig-nant disease. The vacuum electrodes may be used with the staticmachine as well as with the induction coil. They may be connecteddirectly with the prime conductor by means of a wire or chain, orsome form of resonator or coil may be used to increase the fre-quency. When the electrodes are connected directly with theprime conductor of the static machine, it would be called a low-frequency modality. While comparatively high, it would be lowindeed when compared with the discharge from the Oudin reso-. Fig. 37.—Autoconduction cage. nator. The technic for the therapeutic application of vacuumtube modalities will be fully dealt with under the proper heading. The autoconduction cage (Fig. 37) is made in several styles,only one of which is shown here. The patient is allowed to reclineupon a couch that is surrounded by a large coil of wire or solenoid acts as an immense electromagnet, passing lines offorce through the patients body from the south to the north pole,yet producing no appreciable sensation whatever in the patient. The author is not very favorably impressed with this methodof treatment, and will devote very little space to it. Where thismodality could be used, the author would recommend the autocon-densation couch as being far superior in every particular. CHAPTER V. CONTROLLING AND MEASURING APPAR
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