What Structure Does The Puncture Needle Go Through To Reach The Spinal Canal?

What structure does the puncture needle go through to reach the spinal canal?

The general choice of lumbar puncture is the lumbar three-fourth, lumbar four-fifth gap, and the layers that pass through are the skin, subcutaneous, supraspinous ligament, interspinous ligament, and ligamentum flavum, and reach the spinal cord cavity. The patient generally adopts a lateral position, with the back perpendicular to the side of the bed, which is convenient for puncture.

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