. A system of obstetrics . L: i. MartinParts Together. Trephine. Taken Asunder. Brauns Curved Trephine. In using the simple scissor-like perforators it will often be conve-nient to pierce a suture or fontanelle, and if the disproportion in thesize of the head is not excessive, the long-continued pressure of labor CRASIOTOMY. 167 will evacuate sufficient of the cranial contents to allow birth to takeplace. In performing craniotomy with the trephine the cranial open-ing should not be in a .suture or fontanelle, but through the unbrokencranial wall. Martins trephine (Figs. 43, 44) is simple in it
. A system of obstetrics . L: i. MartinParts Together. Trephine. Taken Asunder. Brauns Curved Trephine. In using the simple scissor-like perforators it will often be conve-nient to pierce a suture or fontanelle, and if the disproportion in thesize of the head is not excessive, the long-continued pressure of labor CRASIOTOMY. 167 will evacuate sufficient of the cranial contents to allow birth to takeplace. In performing craniotomy with the trephine the cranial open-ing should not be in a .suture or fontanelle, but through the unbrokencranial wall. Martins trephine (Figs. 43, 44) is simple in its construction andreadily cleansed : it is straight. Carl Brauns curved trephine is morecomplex and less easily cleansed and disinfected. Simple perforation of the skull and the evacuation of a portion ofits contents rarely suffice to lessen the diameters of the head sufficientlyto admit of spontaneous delivery. The base of the cranium commonlyoiler- the greatest obstacle to the birth of the head, and hence its sizemust be lesse
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectobstetrics, bookyear1
