The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 2009
Filed:
Jun. 29, 2006
Applicants:
Thomas E. Roehm, Iii, Braden, TN (US);
William B. Null, Olive Branch, MS (US);
Inventors:
Thomas E. Roehm, III, Braden, TN (US);
William B. Null, Olive Branch, MS (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61M 29/00 (2006.01); A61B 17/58 (2006.01);
U.S. Cl.
CPC ...
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.