An international system of electro-therapeutics : for students, general practitioners, and specialists . ations that demand inves-tigation before electric light can become altogether practicable; but webelieve that not one of these questions is insoluble, and we hope beforelong to witness at least a partial transformation in general illuminationwith the many now possible uses of electricity. A-302 BLEYER. GALVANO-CAUSTIC APPARATUS. We shall give a description of several batteries which are of greatservice in particular branches of the medical science, viz,, in cauter-izing by electricity. For
An international system of electro-therapeutics : for students, general practitioners, and specialists . ations that demand inves-tigation before electric light can become altogether practicable; but webelieve that not one of these questions is insoluble, and we hope beforelong to witness at least a partial transformation in general illuminationwith the many now possible uses of electricity. A-302 BLEYER. GALVANO-CAUSTIC APPARATUS. We shall give a description of several batteries which are of greatservice in particular branches of the medical science, viz,, in cauter-izing by electricity. For this purpose a heated platinum-wire loop orflat pieces of platinum suffice for cautery knives, loops, etc. Bleedingis almost entirely prevented, and parts most difficult to reach can beoperated on, as the heat is more local. Formerly a red-hot iron had tobe introduced into the part to be cauterized, but now the platinum wireis inserted while cold, and is made white-hot, or according to the will ofthe operator, by simply making contact. Much has beeii done to advance this branch of medical science by. Fig. 96.—LBITERS GAIiVANO-CAUTERY. A. Middeldorf, Recamier and Pravatz, Steinheil, Heider, and others. Itwill be seen tliat, as the outer circuit of these batteries is a platinum loopwhich has only small resistance, it is advantageous to have the innerresistance of the battery also only slight. Hence the battery used haslarge plates and few elements,—that is to say, the elements aie joinedup for quantity. An apparatus constructed by Leiter, of Vienna, for the purpose, isshown in Fig. 96. In its essential parts it is a modified Bunsen batter3\The box K contains the battery, and the box Ky the two acids (sul-phuric and nitric). The battery-vessel, T, consists of gutta-percha, andis divided into two portions. In each of these a flat earthenware cell isplaced to hold the carbon plate and nitric acid. Outside this dia- GALVANISM. A-303 phragm come the zinc plate and dilute sulphuric
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectuterus, bookyear1894
