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June 1956

Die Schallsonde (Tone Sound).

AMA Arch Otolaryngol. 1956;63(6):629. doi:10.1001/archotol.1956.03830120089016

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The author presents a monogram describing the use and implication of an apparatus which was originated by Zollner called the "tone sound." This has a long curved fine metal sound which is connected to a small magnetic receiver which, in turn, is connected to an audiometer. The sound is placed in various locations of the tympanic membrane or middle-ear cavity; the tones are generated from the audiometer and the patient responds to the perception of these tones. The author indicates that with the use of the tone sound he is able to differentiate many lesions involving the various portions of the sound-conducting mechanism. He has been able to determine the mobility of both the oval and round windows, and it has been of value to him in determining the specific type of tympanoplasty that would help restore the hearing to an appreciable level. The monogram contains a detailed description and

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