. 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. 202.—Projection upon the upper jaw of the different axes of entrance to theforamen ovale, showing their variability: a, Medium steep; b, flat; c, steep; d, overflat;e, oversteep. (Hartel.) distance between the superior margin of the pyramid of the petrousportion of the temporal bone and the posterior inferior margin of the 540 LOCAL ANESTHESIA foramen
. 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. 202.—Projection upon the upper jaw of the different axes of entrance to theforamen ovale, showing their variability: a, Medium steep; b, flat; c, steep; d, overflat;e, oversteep. (Hartel.) distance between the superior margin of the pyramid of the petrousportion of the temporal bone and the posterior inferior margin of the 540 LOCAL ANESTHESIA foramen ovale, and we find (Table II, No. 6) a minimum of 14 mm., amaximum of 23 mm., and an average of 19 mm. The minimum ( Fig. 203.—Projection of an equally steep axis upon upper jaws of various height: a,a,Short upper jaw, axis appears steep; b, V, medium high upper jaw, axis appears mediumsteep; r, c, high upper jaw, axis appears flat. (Hartel.) cm.) is the standard; if we go deeper, we run the danger of puncturingthrough the chief trunk of the trigeminus through the cisterns of
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanesthe, bookyear1914
