Local and regional anesthesia; with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice . Fig. 44.—Points of injections and lines of infiltration for resecting part of hand. (From Braun.) hand, the large dots indicating the points at which the nerves are tobe reached by subcutaneous injection for paraneural infiltration, thedotted lines marking the course for intradermal infiltration. As the. Fig. 45.—Points of injections and lines of infiltration f
Local and regional anesthesia; with chapters on spinal, epidural, paravertebral, and parasacral analgesia, and other applications of local and regional anesthesia to the surgery of the eye, ear, nose and throat, and to dental practice . Fig. 44.—Points of injections and lines of infiltration for resecting part of hand. (From Braun.) hand, the large dots indicating the points at which the nerves are tobe reached by subcutaneous injection for paraneural infiltration, thedotted lines marking the course for intradermal infiltration. As the. Fig. 45.—Points of injections and lines of infiltration for anesthetizing abscess at base of fingers. (From Braun.) nerves in the hand are all small it is practicable to use Solution No. ithroughout, but, if preferred, the paraneural or deep injections canbe made with per cent, novocain solution, using 10 to 20 minimsabout each nerve. It is evident that in extensive resections of the 256 LOCAL ANESTHESIA hand it is preferable to resort to regional anesthesia at the elbow orabove the wrist, rather than resort to too extensive infiltrations inthis region. It may, however, be desirable to use methods of infiltration forsecuring regional anesthesia, as these methods are always simple andquickly carried out and when properly done, thoroughly effective. For illustration take the dorsum of the hand as shown in Fig. 44,in which we will say there has been an injury which will require theamputation of all four fingers at the metacarpo-phalangeal joint. Apoint is selected about the middle
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