The science and art of surgery : being a treatise on surgical injuries, diseases, and operations . FiR. 677.— If a director be used to guide the knife, the intestine will be in consid-erable danger, as the instrument may be slid under that portion of itwhich lies beneath the stricture; or the tense gut, curling over the sideof the groove, may come into contact with the edge of the knife. Theseaccidents are prevented by using the finger as a director, and slippingthe hernia-knife (which shouldnot have quite so long a probe-point as those usually made)along the palmar surface ofthe
The science and art of surgery : being a treatise on surgical injuries, diseases, and operations . FiR. 677.— If a director be used to guide the knife, the intestine will be in consid-erable danger, as the instrument may be slid under that portion of itwhich lies beneath the stricture; or the tense gut, curling over the sideof the groove, may come into contact with the edge of the knife. Theseaccidents are prevented by using the finger as a director, and slippingthe hernia-knife (which shouldnot have quite so long a probe-point as those usually made)along the palmar surface ofthe finger, upon its flat side,(as Iepresented in Fig. 678);the finger serves to keep thebowel out of the way, and de-tects any part that ma} beinterposed between the edgeof the knife and the stricture. During the division of thestricture, the protruding portions of intestine must be protected frominjury by the knife. The operator may spread his left hand over them insuch a way that they cannot be touched by the edge of the instrument:or they may be protected by an attentive and careful assistant. In some cases the stric
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