Is a
Patent attributes
Patent Applicant
0
Current Assignee
0
Patent Jurisdiction
Patent Number
Patent Inventor Names
Paul M. Tsou0
Date of Patent
February 8, 2005
0Patent Application Number
099973610
Date Filed
November 30, 2001
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A method of performing percutaneous transforaminal endoscopic lumbar surgery on a patient, includes the steps of creating an opening in the patient's skin, passing at least one tubular cannula through the opening so as to create a soft tissue tunnel, placing a semi-tubular spreader over the at least one tubular cannula inside the soft tissue tunnel, placing a flat blade spreader into an opening formed by the semi-tubular spreader, dilating the opening by spreading apart blades of the flat blade spreader, inserting bone grafts through the opening and into an intervertebral space of the patient.
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