what is the purpose of inserting niddle in the 2nd lumbar of the spinal column before the operetion?
Not in 2nd lumbar space, but between 3rd and 4th Lumbar spine or between 4th and 5th Lumbar spine. Lumbar Puncture needle is inserted under aseptic conditions . 1. To give spinal anasthesia where you will be losing sensations only below that level. 2) to get specimen of Cerebrospinal fluid. 3 ) Sometimes to let out the ceebrospinal fluid to reduce the pressure inside the cerebrospinal canal and 4) Occasionally to introduce certain drugs into the spinal canal.
