. A Reference handbook of the medical sciences : embracing the entire range of scientific and practical medicine and allied science. Fio. 4084.—2, The piece of bone removed from A. with its innertable projecting beyond the outer. 4, The button of bone re-moved in order to elevate the fragment represented in 3. Hereby careless work the Burgeon might have pressed on the de-pressed portion with the trephine, and thus depressed andchafed the dura. 5 and 7, Buttons of bone having inequali-ties on their lower surfaces, showing the necessity for extremecaution during the operation. 6, Another button
. A Reference handbook of the medical sciences : embracing the entire range of scientific and practical medicine and allied science. Fio. 4084.—2, The piece of bone removed from A. with its innertable projecting beyond the outer. 4, The button of bone re-moved in order to elevate the fragment represented in 3. Hereby careless work the Burgeon might have pressed on the de-pressed portion with the trephine, and thus depressed andchafed the dura. 5 and 7, Buttons of bone having inequali-ties on their lower surfaces, showing the necessity for extremecaution during the operation. 6, Another button having con-siderable inner table attached to it, as occurs when the surgeon is obliged to break up the circular portion. is to make a little depression at the point where one de-sires to place the centre-pin, by the point of a chisel and afew light blows with the hammer. The trephine is thenapplied perpendicularly to the plane of the skull andworked by an alternating motion (pronation and supina-tion of the operators hand) till its teeth have cut a circu-lar groove. The centre-pin is then withdrawn, and thetrephine is again
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectmedicine, bookyear188
