The Obstetric Catechism: Containing Two Thousand Three Hundred and Forty-seven Questions and Answers on Obstetrics Proper

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E. Barrington and G.D. Haswell, 1853 - Obstetrics - 445 pages
 

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Page 261 - By them, sufficient power can be applied in cases of necessity, which cannot be done by the short forceps. Their leverage is greater. 3d. The narrowness of the blades, which, without detracting from the utility of the instrument, will allow of their application to the sides of the head, even in oblique and transverse positions. Many of the modern English forceps, are too broad to allow the proper manipulation of the instrument in the cavity of the pelvis. They cannot be introduced through the vulva...
Page 263 - ... 7. The very ingenious and scientific mode of locking the blades, as in the German or Siebold's forceps, by means of a conical pivot, and the corresponding oblique conical opening for its reception, is adopted, by which all the facilities of the English junction are enjoyed, and the security and firmness of the French joint are maintained. "The eclectic forceps weighs one pound and one ounce, being nine ounces lighter than - the French forceps, as usually manufactured by Rorer, of this city, and...
Page 261 - The advantages of the French or long forceps are, I think, many and decided, as 1st, by them, any operation pertaining to this instrument, can be performed. There is no necessity to vary the form, structure, or size, of the instrument, whatever may be the presentation of the head, its position, or its location. 2d. By them, sufficient power can be applied in cases of necessity, •which cannot be done by the short forceps.
Page 264 - The breadth of the fenestra is !•! ; the thickness of the blade is -2 of an inch. The perpendicular elevation of the points cc, when the instrument is on a horizontal surface, is 3-4 inches, which indicates the degree of curvature of the blades. " The elevation of the handles near the point, above the same horizontal line, is 1-3 (including the thickness of the blades), which indicates the extent of the angular bend in the handles.
Page 80 - Let AA, be a portion of the abdomen of the embryo, and cc, the navel, or umbilical ring ; BB, the navel string, or cord, laid open; D, the umbilical vein, bringing back the blood from the placenta, and passing into the belly at the ring, to go to the liver ; E, F, the two umbilical arteries of the fetus ; H, the umbilical vesicle, or vitelline sac, whose pipe, conduit, or efferent-duct runs along the umbilical cord to 0 . . DlAGBAM OF THE OMPHALO-MESENTEBIC VESSELS.
Page 46 - ... the vaginal and vesical veins surrounded with nerves. J. Ganglia and nerves of the vagina. K. Nerves passing between the vagina and rectum. L. Ganglia and nerves of the bladder. M. Vaginal nerves passing into the bladder around the ureter. N. Blood-vessels and nerves of upper part of the bladder. O. Plexus of nerves under the peritoneum on the left side of the uterus, the bloodvessels of which have not been injected. P. Filaments from this plexus passing out with the round ligaments. Q. The peritoneum...
Page 46 - ... bladder. A. The right hypogastric nerve. B. The sacral nerves. C. The right hypogastric ganglion. D. Nerves from the hypogastric nerve to the ganglia on the blood-vessels of the uterus. E. Ganglia surrounding the uterine artery and veins. F. Ganglionic plexus, under the peritoneum on the fore-part of the uterus. G. Filaments from this plexus passing out with the round ligament. H. The round ligament. I. The right ureter and trunk of the vaginal and vesical veins surrounded with nerves. J. Ganglia...
Page 92 - ... denoted by the arrow proceeding from 8 to 9 ; 9, the left auricle ; 10, the left ventricle— the blood following the arrow to the arch of the aorta (11), to be distributed through the branches given off by the arch to the head and upper extremities ; the arrows (12...
Page 261 - ... 3d. The divergence of the blades commencing at the joint must necessarily distend the vulva (especially...
Page 94 - ... arteries (19), and return the blood along the umbilical cord to the placenta; while the other divisions, the external iliacs (20), are continued into the lower extremities.

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