Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Frank Litvack0
Kambiz Hannani0
Date of Patent
July 23, 2013
0Patent Application Number
127728830
Date Filed
May 3, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A system for laterally decompressing one or more spinal nerves comprises an access sheath, a tool guide, and a bone removal tool. The access sheath is percutaneously placed adjacent a facet joint using needle dilation or a small incision. The tool guide is then placed through the access sheath adjacent an anterior surface of the superior articular process of the facet joint. The bone removal tool is advanced over the guide track to remove bone from the anterior surface. Optionally, after bone removal has been completed, the cutting tool may be advanced through the access sheath in order to partially cut the ligamentum flavum to further relieve compression of the spinal nerve(s).
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