A treatise on the science and practice of midwifery . Denmans Short Forceps. 460 OBSTETRIC OPERATIONS, Fig. 151. cians, with few exceptions, that the second curve is essential beforethe complete descent of the head, although it is not absolutely soafter this has taken place. The only circumstances under which astraight blade can possess any superiority are in certain cases ofoccipito-posterior position, in which it is found necessary to rotatethe head round a large extent of the pelvis, when the circular sweepof a strongly-curved instrument might prove injurious. Such cases,however, are of rar
A treatise on the science and practice of midwifery . Denmans Short Forceps. 460 OBSTETRIC OPERATIONS, Fig. 151. cians, with few exceptions, that the second curve is essential beforethe complete descent of the head, although it is not absolutely soafter this has taken place. The only circumstances under which astraight blade can possess any superiority are in certain cases ofoccipito-posterior position, in which it is found necessary to rotatethe head round a large extent of the pelvis, when the circular sweepof a strongly-curved instrument might prove injurious. Such cases,however, are of rare occurrence, and need in no way influence thegeneral employment of the pelvic curve. Zeiglers Forceps.—The short forceps, usually employed in Scot-land, is the invention of the late Zeigler (Fig. 151),1 and is usefulfrom the facility with which the blades may beintroduced in accurate apposition to each other, apoint which in practice is of no little value. Ingeneral size and appearance it closely resemblesDenmans forceps, but the fenestrum of the
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Keywords: ., bookcentury1800, bookdecade1870, bookidtre, booksubjectobstetrics
