. A Reference handbook of the medical sciences : embracing the entire range of scientific and practical medicine and allied science. erely forthe exploratoryuse of the tre-phine, or from theentire area of thedepressed bonewhich is to be re-moved, if such ameasure seem in-dicated. Supposing thatwe have to deal Fig. 4088.—1, A Skull Showing Various Examples of Fracture. (After Charles Bell.) A, A triangular portion of the os fron- with a compoundtis fractured and depressed. B, The three perforations found necessary for its elevation and extraction; the second and fracture wherethird were rendere
. A Reference handbook of the medical sciences : embracing the entire range of scientific and practical medicine and allied science. erely forthe exploratoryuse of the tre-phine, or from theentire area of thedepressed bonewhich is to be re-moved, if such ameasure seem in-dicated. Supposing thatwe have to deal Fig. 4088.—1, A Skull Showing Various Examples of Fracture. (After Charles Bell.) A, A triangular portion of the os fron- with a compoundtis fractured and depressed. B, The three perforations found necessary for its elevation and extraction; the second and fracture wherethird were rendered necessary by the fact that the edge of the inner table lay under the sound bone. D, a point where the ,. jp,,.,,,,.,]trephine was employed for a fissure of the os frontis represented on its right side : a second perforation was made in the ^e Qepressedsound bone a little higher up, still the bone could not be extracted ; the trephine was then applied at E. and the bonelifted bone is yet notup. It should have been applied at K in the first place. F, A fracture with depression at the lower angle ; the trephine easily removed. was placed at G saved and a more favorable form of opening obtained; by perforating at G an acute angle of bone was left between G and F. it ought to have been a large one, and placed at H, by which g portion of the bone would have been .1 ipct ill operation is no more dangerous than the amputation of afinger with the same precautions. The condition which trephining is tomake an opening through which leverage can be exertedand instruments introduced. In order to use it to advan- necessitates the operation constitutes the main element of tage it must therefore be planted on a rigid and unyield- 246 REFERENCE HANDBOOK OF THE MEDICAL SCIENCES. ing bony surface. The exigencies of the case can alonemake it clear just where this spot may be. Unless it beabsolutely unavoidable, the trephine should not be ap-plied in the middle line (over
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmedicine, bookyear188
