. Anaesthetics : their uses and administration. Fig. 82.—The patient lying on his side in the correct position for puncture,except that the upward bent thighs are not illustrated. From a photograph byDr. Worrall. consideration of the necessities of the operation. As a rule,it is best to restrict the method to operations upon the lowerlimbs, pelvis, and lower half of the abdomen. In women witha broad pelvis nothing is required under the hip. The line connecting the highest point { in the erectposture) of the iliac crests will pass over the superior aspectof the spine of the fourth lumbar ve
. Anaesthetics : their uses and administration. Fig. 82.—The patient lying on his side in the correct position for puncture,except that the upward bent thighs are not illustrated. From a photograph byDr. Worrall. consideration of the necessities of the operation. As a rule,it is best to restrict the method to operations upon the lowerlimbs, pelvis, and lower half of the abdomen. In women witha broad pelvis nothing is required under the hip. The line connecting the highest point { in the erectposture) of the iliac crests will pass over the superior aspectof the spine of the fourth lumbar vertebra, so that the pointof election for puncture will be immediately above this,between the spines of the third and fourth lumbar some authorities advise that the puncture shouldbe made to the side of the line of the spine, the needle 440 taking the direction shown in Plate I. (frontispiece) with theview of avoiding the supraspinous ligament, yet the centralpuncture is certainly the best and less likely to g
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