e/Epidural blood patch

Information
has gloss	eng: An epidural blood patch is a surgical procedure which uses autologous blood in order to close one or many holes in the dura mater of the spinal cord, usually as a result of a previous lumbar puncture. The procedure can be used to relieve post dural puncture headaches caused by lumbar puncture (spinal tap).
lexicalization	eng: epidural blood patch
instance of	c/Surgical procedures