A System of Surgery Volume 1 (Paperback)

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1796 Excerpt: ...affording a free passage for the tears into the nose, would be entirely frustrated. In order to avoid these inconveniencies, the instrument should be pushed on towards the nose in an oblique direction downwards from the inferior part of the lachrymal sac. Care should be taken, however, not to endeavour to follow the course of the natural passage of the tears, as by some we are directed to do; for in this manner we would not only injure the maxillary bone, but the opening here could not be made so free and large as in that part of the os unguis where the lachrymal sac terminates, and where the commencement of the nasal duct takes place. On the instrument having got into the nostril, it should be moved with somefreedom; not by Carrying it farther in, as this might injure the parts within the nose; but by giving it a free rotatory motion, so as to render the opening made T 2 With with it sufficiently pervious: This being done, the stilette should be withdrawn, when a lead probe, fully equal to the. size of the canula, should be introduced, and then the canula should be taken out. One end of the lead should pass freely through the opening in the os unguis, and the other must project about the eighthpart of an inch. or. thereby past the level of the external sore. With a view to prevent it from flipping altogether into the nose, this projecting part of it should be somewhat curved after the canula is withdrawn. The sore should now be covered, with a small pledgit of lint spread with emollient ointment, and the whole, may be retained with a slip of adhesive plaster; for no bandage can be adapted to these parts but with much inconvenience and "distress. In this manner the operation is completed; but much attention is necessary on the part of the surgeon to pr...