Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2009
Patent Application Number
11478041
Date Filed
June 29, 2006
Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
Access to a greater area of surgical site with minimally invasive procedure is obtained by using two sets of sequentially placed tissue dilators oriented with their axes in a plane parallel to the spinal axis and a final non-circular dilator encompassing the two sets, followed by a non-circular tubular retractor providing a working channel extending longitudinally of the spine.
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