Surgical and obstetrical operations . vertebral column near the dorso-lumbar articulation andthe anterior portion of the fetus falls away. Secure thetwo posterior feet with cords, unless this has already beendone, spread the detached skin, which has been pushed backfrom the thorax, carefully over the amputation stump ofthe lumbar vertebrae, repel these by means of the hand whilean assistant draws upon the cords attached to the feet, pushthe remnant of the fetal trunk into the uterus and advancethe feet along the genital passages, thus converting it intoa posterior presentation. Ordinarily this
Surgical and obstetrical operations . vertebral column near the dorso-lumbar articulation andthe anterior portion of the fetus falls away. Secure thetwo posterior feet with cords, unless this has already beendone, spread the detached skin, which has been pushed backfrom the thorax, carefully over the amputation stump ofthe lumbar vertebrae, repel these by means of the hand whilean assistant draws upon the cords attached to the feet, pushthe remnant of the fetal trunk into the uterus and advancethe feet along the genital passages, thus converting it intoa posterior presentation. Ordinarily this would result in alumbo-pubic, which should be converted into the lumbo-sacral position, when its extraction can be readily broughtabout. 52. DESTRUCTION OF THE PELVIC GIRDLE IN THEANTERIOR PRESENTATION. Plate XXXVI. Object. In somewhat rare instances perhaps more fre-quently in the cow the pelves of the mother and fetus be-come interlocked, the antero-external angle of the fetalilium I, becomimg locked with the shaft of the maternal. ^ - a 2 t—I > w X flH X w X fe —! O Ph > - 5 M0) o a «3 •^ u 3 Io I! a I 0) • a; O nP, 03 2i6 AMPUTATION OF THE LIMBS AT THE TARSUS. ilium I at C in such a manner that any safe degree of trac-tion fails to dislodge it. Technic. Remove one anterior limb subcutaneousl}^(49), and eviscerate, (55), through an opening made bythe removal of two or three of the exposed ribs. Introducethe chisel through this opening and carry it back with thehand, placing it against the shaft of the fetal ilium, I, havean assivStant drive it through the shaft from before to behindand then withdrawing the chisel replace it against the pubicbrim either at the symphysis pubis or opposite the foramenovale, and drive it through the pubis and ischium at either ofthese points. The coxo-femoral articulation is thus detachedand isolated so that the entire limb ma}^ drop backwardbeyond its fellow, the remnant of the severed ilium, I, candrop downward or move in any d
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