. Local and regional anesthesia : with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and on other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice. Fig. 138.—Anterior view of sacrum, slightly reduced, showing relative distances to foramen. second foramina, when, after meeting the bone above this opening,if it will be slightly withdrawn and redirected, with the point elevated§ inch and advanced 1 inch further, that it will reach the first sacralforamina (Figs. 139, 140). It is seen, after a study of nu
. Local and regional anesthesia : with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and on other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice. Fig. 138.—Anterior view of sacrum, slightly reduced, showing relative distances to foramen. second foramina, when, after meeting the bone above this opening,if it will be slightly withdrawn and redirected, with the point elevated§ inch and advanced 1 inch further, that it will reach the first sacralforamina (Figs. 139, 140). It is seen, after a study of numerous sacrums, that the intermediateforamina between the fourth and first in some few are placed somewhatoutside of the straight line, passing over the center of the openings;this lateral variation is usually about f inch, and was never seen toexceed j inch. 464 LOCAL ANESTHESIA As the nerves, as they emerge from the foramina run downward,outward, and forward (Fig. 141), it would seem best to slightly increase X. A4 t^t^T Fig. i.!o.—Distances and relative position of foramen on lateral view of sacrum.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanesthe, bookyear1914
