Diseases of the nose and throat; a text-book for students and practitioners . ough much more force is required topusli such an edge througli the tonsil. In such cases, andwluMe the tonsil is too long in a vertical direction to enable theinstrument to encircle it, the snare or ecraseiir may answerbetter; the galvano-cautery loop is quicker, but it is difficult 308 DISEASES OF THE NOSE AND THROAT. to prevent contact of the loop with the half-arches. In order toovercome this danger and to facilitate the application of theloop and subsequent manipulations, Dr. Knight {Trans. Assoii^
Diseases of the nose and throat; a text-book for students and practitioners . ough much more force is required topusli such an edge througli the tonsil. In such cases, andwluMe the tonsil is too long in a vertical direction to enable theinstrument to encircle it, the snare or ecraseiir may answerbetter; the galvano-cautery loop is quicker, but it is difficult 308 DISEASES OF THE NOSE AND THROAT. to prevent contact of the loop with the half-arches. In order toovercome this danger and to facilitate the application of theloop and subsequent manipulations, Dr. Knight {Trans. Assoii^ 1889) devised a galvano-cautery snare modeledafter Mackenzies tonsillotome, but the blade of the latter isreplaced by a straight, transverse piece of platinum wire. Theoperation is performed as easily and as painlessly as with thecutting tonsillotome. In this procedure two points should beremembered: {a) if the wire be hot enough to ablate the tonsilquickly there is danger of haemorrhage, which will not occur ifthe division be rather slow; and {h) the destruction of tissue. Fig. 82.—Knights Galtano-Cauteky 8xakk. will be greater than that actually removed; due allowanceshould therefore be made. In using Jarvis snare or the wire-loop ecraseur, the same process is carried out as that recom-mended in the removal of nasal tumors. It requires from oneto two hours, depending upon the size and structure of thetonsil. The bistoury and forceps are now rarely employed. In all of these operations it is important to avoid woundingthe faucial pillars, lest loss of control of the muscles result orannoying haemorrhage follow. The uvula is occasionally burnedwith the galvano-cautery, or amputated in a hasty operationwith tonsillotome or knife and scissors. This may interferewdth the singing voice. THERAPEUTICS OF ENLARGED (HYPERTROPHIED) TONSILS. 309 It would not be right to pass unnoticed the once prevalentbelief that the removal of the tonsils arrests further sexualdevelopment and even des
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