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IONTOPHORETIC ANESTHESIA OF THE TYMPANIC MEMBRANE Hidetsugu Okuno 1 pp.1019-1022
Published Date 1977/12/20
DOI https://doi.org/10.11477/mf.1492208593
  • Abstract
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 In the field of otolaryngology the tympanic membrane has been considered as to be the most difficult region to be anesthetized. The anesthesia is usualy carried out by soaking a small piece of cotton in a solution of cocain or lidocain which is inserted in the external ear canal in a close contact with the tympanic membrane. This method is, however, not always effective. Particularly among the small children because the manipulation is, in itself, painful and they would not be cooperative. Consequently many doctors avoid using any anesthesia, at all, for the procedure.

 Recently, however, effective anesthetic method has been reported by Comeau et al. in 1973 and by Echols et al. in 1975. The authors employed the present method of anesthesia among 50 patients, consisting of two groups, one of serous otitis media and the other of Meniere's disease, at the Department of Otorhinolaryngology, Tokyo Medical and Dental University, with success.

 The present method is named iontophoretic anesthesia which is applicable in all cases.


Copyright © 1977, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 印刷版ISSN 0386-9679 医学書院

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