Columbus, Ohio. ORIGINAL CONSTRUCTION DETAILS. THE MACKINAC BRIDGE was constructed during. the period from April 1954 to November 1957, wi th the pavement surfacing on the Bridge. decks and the approaches being placed during. the last year, 1957.
Lumbar Puncture. Guide. A lumbar puncture (also called a spinal tap) is a procedure to collect and look at the fluid (cerebrospinal fluid, or CSF) surrounding the brain and spinal cord. During a lumbar puncture, a needle is carefully inserted into the spinal canal low in the back (lumbar area).Samples of CSF are collected.uide. A lumbar puncture (also called a spinal tap) is a procedure to collect and look at the fluid (cerebrospinal fluid, or CSF) surrounding the brain and spinal cord. During a lumbar puncture, a needle is carefully inserted into the spinal canal low in the back (lumbar area). Samples of CSF are collected.
1 A syringe is attached to the spinal needle to draw out the fluid. The fluid can also be allowed to drip into a collection tube.  A lumbar tap (also called lumbar puncture) is performed in the lower back of a patient. The area is shaved and sterilized, and a spinal needle is inserted.