A textbook of obstetrics . hen screwed tight,the whole pelvimeter is removed, and the distance between thetips is found by a tape-measure. This distance is the con-jugate plus the thickness of the symphysis ( Fig. 279). Thelatter I have found to be 1 centimeter in twenty-six dried pelves,\YA centimeters in nine, I j centimeters in thirteen, l ;4 centi-meters in four, and 2 centimeters in three specimens—one ahigh-grade rachitic pelvis, another of the masculine type, andthe third a justomajor pelvis. The thickness of the symphysisis measured as shown in figure 27S. In living subjects the index-
A textbook of obstetrics . hen screwed tight,the whole pelvimeter is removed, and the distance between thetips is found by a tape-measure. This distance is the con-jugate plus the thickness of the symphysis ( Fig. 279). Thelatter I have found to be 1 centimeter in twenty-six dried pelves,\YA centimeters in nine, I j centimeters in thirteen, l ;4 centi-meters in four, and 2 centimeters in three specimens—one ahigh-grade rachitic pelvis, another of the masculine type, andthe third a justomajor pelvis. The thickness of the symphysisis measured as shown in figure 27S. In living subjects the index-finger of the left hand must find the- inner surface of the symphy-sis pubis, and must follow it up to within about \s of an inch ANOMALIES IX THE FORCES OF LABOR. 419 of the top, where it bulges to its full thickness. On this pointone tip of the pelvimeter is placed, and it is then held in positionbetween the ends of the first and second fingers ; the other tipof the instrument is adjusted over the mark made on the skin. Fig. 277.—Measuring the true conjugate, plus the thickness of the symphysis, with the authors pelvimeter.
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Keywords: ., bookcentury1800, bookdecade1890, bookidtex, booksubjectobstetrics
