A treatise on the science and practice of midwifery . rative meritsof cephalotripsy and craniotomy will besul Hequently considered. Description of the Instrument.—Themost perfect cephalotribe is probably thatknown as Braxton Hicks (Fig. 184),which is a modification of is not of unwieldy size, but sufficientlypowerful for any case, and not extrava-gant in price. The blades have a slightpelvic curve, which materially facilitatestheir introduction, yet not sufficientlymarked to interfere with their beingslightly rotated after application. of Dublin prefers a straight blade,whi
A treatise on the science and practice of midwifery . rative meritsof cephalotripsy and craniotomy will besul Hequently considered. Description of the Instrument.—Themost perfect cephalotribe is probably thatknown as Braxton Hicks (Fig. 184),which is a modification of is not of unwieldy size, but sufficientlypowerful for any case, and not extrava-gant in price. The blades have a slightpelvic curve, which materially facilitatestheir introduction, yet not sufficientlymarked to interfere with their beingslightly rotated after application. of Dublin prefers a straight blade,while Dr. Matthews Duncan thinks itbetter to nse a somewhat bulkier instru-ment, modelled on the type of the conti-nental cephalotribes. The principle of ac-tion of all these is identical, and their differ-ences are not of very material importance. Section of the Skull by the ForavpsSaw or Ecraseur.—Another mode ofdiminishing the foetal skull is by remov-ing it in sections. The object is aimedat in the forceps saw of Van Huevel, Bicks 502 OBSTETRIC OPERATIONS. which consists of two large blades not unlike those of the cephalotribein appearance. Within these there is a complicated mechanism workinga chain-saw from below upward, which cuts through the foetal skull;the separated portions are subsequently withdrawn piecemeal. Thisinstrument is highly spoken of by the Belgian obstetricians, who believethat it affords by far the safest and most effectual way of reducing thebulk of the foetal skull. In this country it is practically unknown,and, although it must be admitted to be theoretically excellent, the com-plexity and cost of the apparatus have always stood in the way of itsbeing used. Dr. Barnes has suggested that the same results may be obtained bydividing the head with a strong wire 6craseur. So far as I know, thissuggestion has never yet been carried out in practice, not even by himself,and therefore it is not possible to say much about it. I should imagine,h
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
