Lower body anesthesia is how much needle

Different needles are suitable for different anesthesia methods. Needles for epidural anesthesia include 16G and 18G, which are equivalent to 1mm, 1.5mm or 1.6mm in diameter. Compared with needles for lumbar anesthesia, the needles are thicker and more suitable for catheterization, which is convenient for drug administration throughout the operation and keeps patients in a painless state.

The needle for lumbar anesthesia is 25G, and the needle is thinner, which is convenient to puncture the dura and inject local anesthetic into the CEREBROspinal fluid, similar to the syringe needle of the butt needle. Therefore, the leakage of cerebrospinal fluid during the puncture is less, and the probability of postoperative headache is also lower. In addition, local anesthesia is administered during the injection, so the patient does not experience significant pain.

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