. Radiography and radio-therapeutics . -vice the emanation canbe deposited upon metal points or flat surfaces of metal; these deposits retain the sameactivity as the parent radium, but the duration of the activity is much lessthan that of the emanation itself. The deposit of radioactive bodies onflat applicators may be used in many ways, as, for instance, for ionisation,a powerful galvanic current being employed to drive them into the reports a number of cases which have received great benefit by thismethod of treatment. Of the many methods of using radium emanation, the one which
. Radiography and radio-therapeutics . -vice the emanation canbe deposited upon metal points or flat surfaces of metal; these deposits retain the sameactivity as the parent radium, but the duration of the activity is much lessthan that of the emanation itself. The deposit of radioactive bodies onflat applicators may be used in many ways, as, for instance, for ionisation,a powerful galvanic current being employed to drive them into the reports a number of cases which have received great benefit by thismethod of treatment. Of the many methods of using radium emanation, the one which com-mends itself most forcibly is that by which the emanation is placed in re-ceptacles, which can be used in a great variety of ways according to theparticular case requiring treatment. The other methods will be referredto again in the section dealing with the treatment of particular using a large quantity of radium salt in solution and drawing off theemanation, it is possible to treat a large number of patients by means. Fig. 370.—Apparatus for inhalation of radium emanationand oxygen. (Radium, Limited.) 500 RADIO-THERAPEUTICS
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