. On the theory and practice of midwifery . , the instrument is more readily appliedwhen the head is high up, and all undue pressure on the perineum is avoided. Thisform of the instrument also enables the operator to apply it when the patient is on herback on a mattrass, without bringing her down so low as to have her limbs off the bedwhich adds much to the comfort of the patient and the decency of the operation. From this description of the instrument it will be understood that it is calculated,in every case, to be passed along the sides of the pelvis. The following figures represent the forc
. On the theory and practice of midwifery . , the instrument is more readily appliedwhen the head is high up, and all undue pressure on the perineum is avoided. Thisform of the instrument also enables the operator to apply it when the patient is on herback on a mattrass, without bringing her down so low as to have her limbs off the bedwhich adds much to the comfort of the patient and the decency of the operation. From this description of the instrument it will be understood that it is calculated,in every case, to be passed along the sides of the pelvis. The following figures represent the forceps invented by Dr. Hodge, of the Universityof Pennsylvania. It is calculated, in a considerable degree, to accomplish the sameobjects as the one employed by Dr. Huston. The eclectic forceps, as Dr. Hodge callshis instrument, weighs one pound and one ounce; being nine ounces lighter than theFrench forceps, as usually manufactured by Mr. Rorer of this city, and eleven ounceslighter than a specimen of Dubois forceps, made in Paris. Fig. THE FORCEPS. 337 11 The whole length of the instrument in a direct line from b to c is 16 inches. Fromthe joint a to extremity b, the length of the handles is 6-8. From a to c c, extremitiesof the blades is 9-5, in a direct line. From a to d, length of parallel shanks is d to c, the proper blades, in a direct line, is 6 inches. From c c, the extremities,to ef, the greatest breadth, 3-7 inches. The separation between the points c c, when the handles are in contact, is -5 of aninch. From e to /, the greatest breadth when the handles touch, is 2-5; when theseparation at ef is 3-5, the points c c are separated to 2 inches. The breadth of the blade is 1-8, slightly tapering to 1-7 near c c, the breadth of the fenestra is 1-1; the thickness of the blade is -2 of an inch. The perpendicular elevation of the points c c, when the instrument is on a horizontalsurface, is 3-4 inches, which indicates the degree of curvature of th
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