| needle-through-needle technique |
a technique of anesthetic administration in which a narrow spinal needle is advanced through the lumen of a larger-gauge needle such as a Tuohy needle and past its tip to puncture the dura so that spinal and epidural anesthesia can be administered at the same time.
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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