needle-through-needle technique

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.

Medical dictionary. 2011.

Игры ⚽ Поможем решить контрольную работу

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