. 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- 3-—Method of producing a plane of anesthesia in subcutaneous or other tissues,when injecting beneath a tumor, etc. (Braun). The same plan is followed in anesthetizing a tract for aspiration orexploratory puncture—we will say, for illustration of the pleural cav-ity. This method of procedure is clearly shown in Fig. 14. Skin Pleura Fig. 14.—Method of i
. 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- 3-—Method of producing a plane of anesthesia in subcutaneous or other tissues,when injecting beneath a tumor, etc. (Braun). The same plan is followed in anesthetizing a tract for aspiration orexploratory puncture—we will say, for illustration of the pleural cav-ity. This method of procedure is clearly shown in Fig. 14. Skin Pleura Fig. 14.—Method of infiltrating successive planes of tissue for exploratory puncture or aspiration (Braun). In making an injection over a wide area subcutaneously, or in thedeeper planes of tissues, one, two, or more points are first anesthetizedon the overlying skin, and the needle advanced in various directions,continuously injecting as the needle is pushed to deeper depths, andwithdrawing the needle only sufficiently to direct its point in an- 172 LOCAL ANESTHESIA other direction, thus avoiding repeated unnecessary punctures of theskin. This is illustrated schematically in Figs. 15 and pjg 15.—Method of infiltrating several planes of tissue, including underlying bone fromtwo points of injection (Braun). In making the injections they should not be too rapidly done, asthe sudden distention of the tissues may cause pain or rupture ofdelicate parts.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanesthe, bookyear1914
