Deafness practically illustrated / [James Yearsley].

  • James Yearsley
Date:
[1849]
Catalogue details

Licence: Public Domain Mark

Credit: Deafness practically illustrated / [James Yearsley]. Source: Wellcome Collection.

    156/200 page 144
    Mode of using the Naso-Guttural Tube and Bottle. —The bottle being charged with the injecting fluid, the tube is introduced along the nostril in the same manner as the probe. Before pressure is exercised upon the bottle, it is necessary to withdraw slightly the extremity of the tube from the back of the throat, to admit of the fluid being expelled; or the contents of the bottle may be squeezed out during the act of with- drawing the instrument, whereby not only the throat and adjacent parts, but the nasal passages also, beni: well washed by the injection. During the first two or three times of passing both the nasal probe and the tube, slight titillation of the nostril is produced, and sometimes the eyes become suffused with water for a few moments, but this is the only inconvenience which the operation (if such it de- serves to be called) can occasion. If the facility of washing the throat through the nose were known, it would not be long before it would become a general practice; for it is very certain that gargling the throat through the mouth, though so frequently recommended, is but rarely accomplished. Owing to the action of the veil of the palate, the gargling fluid is confined to the cavity of the mouth, and rarely enters the throat at all. Annexed is a section of the nose, mouth, soft palate, uvula, tonsil pharynx, upper part of the cesophagus, and trachea, showing the route taken by the Eustachian- tube catheter along the inferior meatus and floor of the nostril into the orifice of the Eustachian tube; showing also the perfect facility and safety with which the most
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