. Regional anesthesia : its technic and clinical application . Fig. 95.—Field-block for extensive lateral sutures of the scalp, with or without fracture of the skull. the cranium; 20 of the 1 per cent, solution are sufficient for thedeep subtemporal injections and from 60 to 80 for the othercircmnferential injections. If the wound lies on the vertex, overlapping the opposite side, thesagittal infiltration is not necessary, but bilateral injections should bemade, similar and according to the procedure just described, thusanesthetizing the entire crown of the head, including the skull


. Regional anesthesia : its technic and clinical application . Fig. 95.—Field-block for extensive lateral sutures of the scalp, with or without fracture of the skull. the cranium; 20 of the 1 per cent, solution are sufficient for thedeep subtemporal injections and from 60 to 80 for the othercircmnferential injections. If the wound lies on the vertex, overlapping the opposite side, thesagittal infiltration is not necessary, but bilateral injections should bemade, similar and according to the procedure just described, thusanesthetizing the entire crown of the head, including the skull ( and 97). OPERATIONS ON THE HEAD 125 Craniectomies.—^According to the site of the lesion, unilateral orbilateral block is the ideal method for the surgical treatment of frac-. Fig. 96.—Field-block for extensive suture of the scalp overlapping the midline: a, b,Lateral and back views.


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