The Year Book of the Ear, Nose & Throat

The Year Book of the Ear, Nose & Throat

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1903 edition. Excerpt: ...of the antrum and tympanum which these guides permit should afford a good view of the inner and posterior wall of the tympanum, where, after all, the nerve is most frequently injured as it crosses the sinus tympani and fossa ovalis, and thus should contribute to the safety of the nerve if curetting or burring of the tympanum and iter is left to the last. After all the measurements have been taken and the average computed there is still but one safe way to avoid the facial nerve, i. 0., know where the nerve is, then keep away from it. An accurate working knowledge of the location of the nerve can be obtained only by a considerable number of dissections and operations on the cadaver. Probably in no line of surgery is cadaver work more necessary than in mastoid surgery. Here, "to see" is frequently "to destroy." Hence the necessity of seeing the structures in the cadaver in order to know where they are without seeing them while operating.--En. ' In order to avoid accidental injuries to the facial nerve while removing the posterior wall of the meatus, H. Schwartze1 recommends that the blows of the mallet on the chisel should be careful and gentle, not at a right angle, but at an acute angle to the posterior wall. The chisel should be used to cut and not to pry out pieces of bone; the bent probe should be frequently used between the blows. The beveled edge of the chisel should be so turned that its tendency would be to get shallower rather than deeper. The chisel used in this way will be least likely to injure the nerve.. P. D. Kerrison2 has measured thirty temporal bones with special reference to the mastoid antrum. Sections were made, bisecting the mastoid cortex in a vertical line passing through the posterior...show more

Product details

  • Paperback
  • 189 x 246 x 6mm | 213g
  • Rarebooksclub.com
  • United States
  • English
  • black & white illustrations
  • 1236912136
  • 9781236912138