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There has been no improvement over the method developed by Boyce for steadying the head as a preliminary to the introduction of a rigid tube into the trachea or the esophagus. The advantages gained in the use of this position in endoscopic examinations need not be entered into here. They have been amply discussed by Jackson and his workers.
For those who do not have the services of an assistant trained in holding the head according to the Boyce method, I wish to submit a description of a head holder which achieves the results obtained by that method as nearly as is mechanically possible. I have used this device since 1933 and have found it a useful aid in endoscopic examination with adults and with children over a certain age. With infants and young children, one needs an assistant to hold the head. This instrument is also usefulin the performance
WELT B. A NEW TYPE OF HEAD REST FOR ENDOSCOPIC EXAMINATION. Arch Otolaryngol. 1938;27(1):95–96. doi:10.1001/archotol.1938.00650030102008
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