Cyclopædia of obstetrics and gynecology . ht blade isinserted first, behind and to the right, over the left maxillary angle, theleft blade, second, behijid, is brought forward spirally and placed overthe right frontal protuberance. The lesser curve is tovards the mothers THE FORCEPS. 135 right tliigli. Crossing, or Stoltzs method, is necessary. Traction down-ward to bring down the face and chin rotation from right to left, extrac-tion witli chin to pubes. 8. Position —The fronto-mental diameter points by the chinto the right sacro-iliac synchondrosis, by the forehead to the left cotylo
Cyclopædia of obstetrics and gynecology . ht blade isinserted first, behind and to the right, over the left maxillary angle, theleft blade, second, behijid, is brought forward spirally and placed overthe right frontal protuberance. The lesser curve is tovards the mothers THE FORCEPS. 135 right tliigli. Crossing, or Stoltzs method, is necessary. Traction down-ward to bring down the face and chin rotation from right to left, extrac-tion witli chin to pubes. 8. Position —The fronto-mental diameter points by the chinto the right sacro-iliac synchondrosis, by the forehead to the left cotyloidcavity. The right side of face is forwards and to the right, the left sidebehind and to the left, the bi-malar diameter is in the right oblique ofthe pelvis. The forceps is symmetrical to head, and oblique to left blade is inserted first, behind and to the left, on the left lateralside of the face; the right blade, second, behind and to the right, andthen is brought forward spirally over the right lateral side of the Fig. 105.—Application op the Forceps to Face in (Fig. 105.) The lesser curve is over the forehead towards the left thighof the mother. Traction downwards, rotation from right to left, re-ap-plication of the blades, and extraction, chm to the pubes. The difficul-ties are the same as in M. I. L. P. We see, therefore, that the special rules for the forceps in face presen-tations are identical with those applicable to the vertex. In anterior and transverse presentations: First blade behind, secondblade to side where the chin points. In posterior presentations: First blade behind, and to the side opposedto the position of chin. In the following table are resumed the rules applicable to the forcepsin face presentations: 136 A TREATISE ON OBSTETRICS. Rules Applicable to Forceps in Face Prese^ttations. 1. Mento-pubic C Direct application. LesserI curve towards Sympliysis. Ex-1 traction, bv lifting- tlie liandJes,[ ,
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