. The principles and practice of dental surgery. e, and holding the raw edges in contact with eachother until a union takes place. A number of ingeniously contrived instruments have beeninvented for the performance of the operation; but those reallynecessary are a sharp hook, a double-edged knife, short curvedneedles, a needle-holder {porte-aiguille)^ strong waxed ligatures,and a pair of long-handled curved forceps, and scissors; otherinstruments may, in some cases, be recjuired. In addition to theabove, water, towels, and one or more assistants, will be needed. * We are informed by Velpeau, i
. The principles and practice of dental surgery. e, and holding the raw edges in contact with eachother until a union takes place. A number of ingeniously contrived instruments have beeninvented for the performance of the operation; but those reallynecessary are a sharp hook, a double-edged knife, short curvedneedles, a needle-holder {porte-aiguille)^ strong waxed ligatures,and a pair of long-handled curved forceps, and scissors; otherinstruments may, in some cases, be recjuired. In addition to theabove, water, towels, and one or more assistants, will be needed. * We are informed by Velpeau, in his Elements of Operative Surgery, p. 428, thatM. Colombe performed the operation on a dead subject in , and in 1815 endea-vored to prevail on a patient to permit him to repeat it, but without success. In1817, too, M. Graefa; published in Hufelands Journal some details concerning it, butthe subject elicited no interest until M. Roux performed the operation in ISll*. t Dr. Reeses Appendix to Coopers Surgical Dictionary. 824 Tlius prepared, the patient, after having been previously sub-jected to the necessary prepa-ratory treatment, should beplaced in a chair facing a goodlight, with his head firmly sup-ported by an assistant, and hismouth open. The operationmay be commenced by insert-ing the hook into the marginof the velum, near its mostdependent part, on the left sideof the fissure, in the mannerrepresented in Fig. 293. Thisinstrument, held by an assist-ant, should be depressed so asto make the margin slightlytense. The point of the double-edged knife ma}- now be placed below the most dependent partof the velum, a little to the left of where the hook is inserted(Fig. 293), and carried from below upward until it has reachedthe angle of the fissure, removing a strip from the margin aboutone line in width. This operation may be repeated in the sameway on the opposite side of the fissure. Or the first part of theoperation may be continued, in the manner desc
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