. 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. ll not suffer any appreciable loss of strength, but re-peated heatings render them inert. Mikulicz has suggested the following method: He dissolves adefinite quantity of cocain in alcohol, allows the alcohol to evaporate,and dissolves the precipitate in sterile water or salt solution. Solutions of cocain should not be kept for more than a few daysas it ver
. 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. ll not suffer any appreciable loss of strength, but re-peated heatings render them inert. Mikulicz has suggested the following method: He dissolves adefinite quantity of cocain in alcohol, allows the alcohol to evaporate,and dissolves the precipitate in sterile water or salt solution. Solutions of cocain should not be kept for more than a few daysas it very rapidly deteriorates, but should be frequently made fresh. THE ARMAMENTARIUMIt is not at all necessary to have a complicated outfit for theapplication of the various methods of local anesthesia; all that is neces-sary is to have a supply of suitable syringes, preferably two or more PRINCIPLES OF TECHNIC l65 of each, so should one become defective or be broken the work isnot interrupted. The syringe should preferably be all glass, withglass plungers, and have no washers; the needles should slip on theground ends; needles which screw on and require washers are objec-tionable; the screwing on process takes time, the washers frequently. Fig. 4.—This illustration is reduced to about one-third size: the large syringe isthe plain ground glass of the Luer or phylocogen (P. D. & Co.) type, 10 size; thesmall syringe is of the same type and is the ordinary hypodermic of 25 to 30 m. capacity(P. D. & Co. Glaseptic). The illustrations are intended to show the absence of all washersor threads upon syringe and needle; they both have the same size beveled glass tip to fitthe needles and each fits the large or small needle as occasion requires. give trouble, leak, and are otherwise undesirable. The simplest outfitcompatible with efficiency is the best. In selecting such syringes the best makes will be found the cheap-est in the end; care should be exercised in selecting them to be suret
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectanesthe, bookyear1914
