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ULTRASONIC VIBRATIONS: A Tool for Investigative Dermatology

ULTRASONIC VIBRATIONS: A Tool for Investigative Dermatology Abstract THE VIBRATIONS or wave lengths beyond those audible to the human ear (which hears vibrations of 20 to 20,000 cps) are known as ultrasonic or supersonic vibrations. These vibrations have interesting possibilities in the field of investigative dermatology. The purpose of my brief preliminary report is to call this subject to the attention of dermatologists, as there are few reports on it in our literature. Ultrasonic vibrations can be produced by various mechanical or electrical methods. Inasmuch as the rate of vibrations is in the thousands of vibrations per second, the unit of measurement is the kilocycle; for example, 800,000 vibrations per second is spoken of as an 800 kilocycle frequency. The frequencies most commonly used in various biological, medical, commercial, and military applications have ranged from 100 to 1500 kilocycles. Ultrasonic waves differ from electromagnetic ones in that they do not traverse a vacuum. They References 1. Figures 1 and 2 were copied from Ultrasonics (Bulletin No. 37, Televiso Corporation, Chicago, 1947). 2. Beard, P. J., and Gantvoort, W. F.: The Biologic Effects of Supersonic Vibrations , J. Bact. 35:5 3. 36:268, 1938. 4. Stanley, W. M.: Effect of Supersonic Radiation on Tobacco Mosaic Virus , Science 80:339, 1934.Crossref 5. Herrick, J. F.: Some Biologic Aspects of Ultrasonics , Arch. Phys. Med. 30:145-149, 1949. 6. Nelson, P. A.; Herrick, J. F., and Krusen, F. H.: Ultrasonics in Medicine , Arch. Phys. Med. 31:6-19, 1950. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png A.M.A. Archives of Dermatology & Syphilology American Medical Association

ULTRASONIC VIBRATIONS: A Tool for Investigative Dermatology

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References (6)

Publisher
American Medical Association
Copyright
Copyright © 1953 American Medical Association. All Rights Reserved.
ISSN
0096-5979
DOI
10.1001/archderm.1953.01540020036007
Publisher site
See Article on Publisher Site

Abstract

Abstract THE VIBRATIONS or wave lengths beyond those audible to the human ear (which hears vibrations of 20 to 20,000 cps) are known as ultrasonic or supersonic vibrations. These vibrations have interesting possibilities in the field of investigative dermatology. The purpose of my brief preliminary report is to call this subject to the attention of dermatologists, as there are few reports on it in our literature. Ultrasonic vibrations can be produced by various mechanical or electrical methods. Inasmuch as the rate of vibrations is in the thousands of vibrations per second, the unit of measurement is the kilocycle; for example, 800,000 vibrations per second is spoken of as an 800 kilocycle frequency. The frequencies most commonly used in various biological, medical, commercial, and military applications have ranged from 100 to 1500 kilocycles. Ultrasonic waves differ from electromagnetic ones in that they do not traverse a vacuum. They References 1. Figures 1 and 2 were copied from Ultrasonics (Bulletin No. 37, Televiso Corporation, Chicago, 1947). 2. Beard, P. J., and Gantvoort, W. F.: The Biologic Effects of Supersonic Vibrations , J. Bact. 35:5 3. 36:268, 1938. 4. Stanley, W. M.: Effect of Supersonic Radiation on Tobacco Mosaic Virus , Science 80:339, 1934.Crossref 5. Herrick, J. F.: Some Biologic Aspects of Ultrasonics , Arch. Phys. Med. 30:145-149, 1949. 6. Nelson, P. A.; Herrick, J. F., and Krusen, F. H.: Ultrasonics in Medicine , Arch. Phys. Med. 31:6-19, 1950.

Journal

A.M.A. Archives of Dermatology & SyphilologyAmerican Medical Association

Published: Feb 1, 1953

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