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:
Sep. 07, 1993
Filed:
Nov. 26, 1991
Applicant:
Inventors:
Tor S Larsen, Saratoga, CA (US);
Alan L Grantz, Santa Clara, CA (US);
David A Gollnick, Hayward, CA (US);
Peter S Hertzmann, Palo Alto, CA (US);
Assignee:
Laserscope, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
606 15 ;
Abstract
An elongated tube for inserting instrumentation during a percutaneous diskectomy using a laser introduces an optical guide into the nucleus of a herniated disc. The optical guide is disposed along the elongated tube and guides a laser beam. The laser beam which is guided by the optical guide is not aligned with at least a portion of the elongated tube.