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What is a Facet Joint Medial Nerve Branch Block (MBB) Injection?

April 26, 2017block branch facet injection Joint mbb medial nerve

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What is a Facet Joint Medial Nerve Branch Block (MBB) Injection?

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A. Numbing the nerves that go to the joint, using a local anesthetic like lidocaine, is called a medial branch block (MBB). It is an alternative to a direct facet block. This type of block typically lasts from hours to weeks. Longer periods of relief can be obtained with a median branch rhizotomy (see below).