TOPICAL ANESTHESIA OF THE TYMPANIC MEMBRANE An experimental animal study University of Umeå Medical Dissertations Abstract No 200 — ISSN 0346-6612 Sten-Hermann Schmidt, M.D. Department of Oto-Rhino-Laryngology & Head and Neck Surgery, University of Umeå, Umeå, Sweden Myringotomy plays an important role in otological therapy. The procedure requires an efficient anesthesia, which can be obtained ...