. The medical and surgical uses of electricity. . : Ueber Galvanismus, Hamburg, i8o2(this work contains cures of deafness).—Struwe : System der Medicinischen Elektricitat mit Rucksicht auf den Galvanismus, 1802.— * For the literature of the subject consult Canstatts Jahresbericht for 1841-45also Schmidts Jahrblicher for 1841-42. quoted from Evetzkys article On the Na-ture of Cataract, New York Medical Journal, July, 1880, to which we are indebted. f Untersuchungen und Beobachtungen auf dem Gebiete der Electrotherapie, rBand, i Abth., 1868, p. 40. DISEASES OF THE EYE AND EAR. 489 WoLKE :
. The medical and surgical uses of electricity. . : Ueber Galvanismus, Hamburg, i8o2(this work contains cures of deafness).—Struwe : System der Medicinischen Elektricitat mit Rucksicht auf den Galvanismus, 1802.— * For the literature of the subject consult Canstatts Jahresbericht for 1841-45also Schmidts Jahrblicher for 1841-42. quoted from Evetzkys article On the Na-ture of Cataract, New York Medical Journal, July, 1880, to which we are indebted. f Untersuchungen und Beobachtungen auf dem Gebiete der Electrotherapie, rBand, i Abth., 1868, p. 40. DISEASES OF THE EYE AND EAR. 489 WoLKE : Nachricht von den zu Fever durch die Galvani-Voltaische Gehorgebekunstbegluckten Taubstummen, etc., Osnabriick, 1802.—Martens Therapeutische An-wendung des Galvanismus, 1803. It was natural that attempts to cure diseases of the ear should be madethus early in the history of electro-therapeutics, because at that time therewas scarcely any other method of treatment. There are two general methods of electrizing the ear—internal Fig. 171.—Internal Method of Electrization of the Ear (Duchenne). A, Auricle; B, external auditory canal; C, handle of electrode ; D, flexible wire ; S,rubber speculum ; F, ossicula in middle ear ; G, mouth of tube ; /I, auditory nerve in innerear ; 7, inferior half membrana tympani; _/, external muscle of hammer; A, internal muscleof hammer. The flexible wire can be pressed in toward the drum and then allowedto spring back. The external auditory canal is very sensitive, and onlymild currents, or currents quickly interrupted, will be borne. The otherelectrode may be placed in the hand of the opposite side, or at the mouthof the Eustachian tube, by means of a metallic-pointed insulated is an advantage before making the application to partly fill, or at least 490 ELECTRO-THERAPEUTICS. to moisten, the ear with warm salt water, since thereby the conduction ismuch increased. The water should be warm, because cold water is notw
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