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.
During a lumbar puncture, a hollow needle is inserted through the skin in the lower back. The needle passes between the vertebrae and into the spinal canal. A lumbar puncture can be used to: collect CSF for testing to detect disease conditions. measure CSF pressure to detect hydrocephalus.