During lumbar puncture, what structure does the needle need to pass through to enter the spinal canal

Hi. When doing a lumbar puncture, the needle goes through the skin, the subcutaneous tissue, the supraspinous ligament, the interspinous ligament, the ligamentum flavum, and then to the dura, the epidural space between the dura and the arachnoid, and then the arachnoid, Finally, it penetrates the arachnoid membrane to reach the subarachnoid space, and the cerebrospinal fluid is located in the subarachnoid space.

If you have any questions, please contact us. Our company can produce various customized needles, medical needles, puncture needles, hypodermic needles, biopsy needles, vaccine needles, injection needles, syringe needles, veterinary needles, pencil point needle, ovum pick up needles, spinal needles, etc. If you need customized needle products, please contact us. We look forward to your inquiry! The quality of the products manufactured in our factory will surely satisfy you!

Please contact us if you need: zhang@sz-manners.com