. Text-book of operative surgery . the spinous process in a slightly upward direction. Ifthere is any difficulty the puncture may be made sonie millimetres to one side, theOperator at the same tinie directing the needle towards the middle line. Wlien the injection has been accomplished, complete anaesthesia of the parts of the DETAILS IVITH REGARD TO 43 body below the level of tlie injection is obtained in the space of ten to fifteen minutes,the an^stlietic proving effective on the parts supplied from the lumbar and sacralregions, and in exceptional cases on the areas supplied by t
. Text-book of operative surgery . the spinous process in a slightly upward direction. Ifthere is any difficulty the puncture may be made sonie millimetres to one side, theOperator at the same tinie directing the needle towards the middle line. Wlien the injection has been accomplished, complete anaesthesia of the parts of the DETAILS IVITH REGARD TO 43 body below the level of tlie injection is obtained in the space of ten to fifteen minutes,the an^stlietic proving effective on the parts supplied from the lumbar and sacralregions, and in exceptional cases on the areas supplied by the dorsal and lowercervical spinal nerves. This ansesthesia lasts from one to three hours, so that evenextensive Operations can be performed without Sensation on the part of the patient. There is no doubt something very attractive about this procedure. In the firstcase in which we employed this method we did not let our students into the secret ofthe injection, and performed an excision of the ankle, which was very much inflamed,.
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