Abstract
Retaining the ear piece, or tip, of the diagnostic tube in the physician's ear during examination or treatment of the eustachian tube has always been somewhat difficult, as well as awkward. In an effort to overcome this difficulty, I have devised a rather unusual apparatus. It consists of a light, narrow, sturdy band of spring steel which fits over the vault of the physician's head, in somewhat the same manner as the headband used by some hearing aid sets. This band has a fitting which slips over the base of the ear piece of the diagnostic tube. Since the ear piece is held in position by the headband, the physician is permitted the free use of both hands at all times during the examination or treatment of the eustachian tube. The accompanying illustrations show the appearance of the instrument together with the materials used in its manufacture.
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