. 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. 105.—Points of injection for surrounding anal canal with zone of anesthesia. (From Braun.) The circumferential injection is made subcutaneously, as theskin and mucous membrane at their point of junction are very thin,and an intradermal injection difficult and not at all essential. By drawing out the skin of this region with one hand the tissuesare put
. 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. 105.—Points of injection for surrounding anal canal with zone of anesthesia. (From Braun.) The circumferential injection is made subcutaneously, as theskin and mucous membrane at their point of junction are very thin,and an intradermal injection difficult and not at all essential. By drawing out the skin of this region with one hand the tissuesare put upon the stretch, and all folds and creases obliterated (), making it less likely to transfix a fold causing pain; the solutionis injected as the needle is advanced; for each re-insertion of the needlestarting just back of the point where the needle last stopped; havingcompleted the circumferential injection, a finger is now passed withinthe rectum as a guide, and the large syringe and long needle used; the 388 LOCAL ANESTHESIA. Fig. iod.—Method of making subcutaneous injection around anus. Patient in Sims position.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanesthe, bookyear1914
