The principles and practice of obstetrics . Harlows (Cranio-) Diaclast. (Natural sizo of the Screw is shown.)34 Another perforator has been suggested by Dr. Har-low, of this city, a description of which he has pub-lished in the American Journal of Medical Sciences,January, 1862. It consists of a conical-shaped screw,about one inch and a quarter in length and about oneinch at the base, attached to a handle. Dr. Harlowrecommends its use chiefly in presentations of the baseof the cranium, believing that the dense, firm portionsof the sphenoid, temporal and occipital bones can bythis screw be brok
The principles and practice of obstetrics . Harlows (Cranio-) Diaclast. (Natural sizo of the Screw is shown.)34 Another perforator has been suggested by Dr. Har-low, of this city, a description of which he has pub-lished in the American Journal of Medical Sciences,January, 1862. It consists of a conical-shaped screw,about one inch and a quarter in length and about oneinch at the base, attached to a handle. Dr. Harlowrecommends its use chiefly in presentations of the baseof the cranium, believing that the dense, firm portionsof the sphenoid, temporal and occipital bones can bythis screw be broken up. Although the above instruments may be found spe-cially advantageous, yet any sharp-pointed or cuttinginstrument, such as a common knife or scissors, forexample, may, with a little prudence, be used as aperforator. While performing the operation with Smellies scis-sors—which demand more attention than any other per-forator to prevent mischief—the patient, if upon herback, and the head high up at the superior strait, shouldhave th
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Keywords: ., boo, bookcentury1800, booksubjectobstetrics, booksubjectpregnancy
