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:
May. 21, 1985
Filed:
Sep. 30, 1982
Applicant:
Inventor:
Luc Tagnon, Saint Mande, FR;
Assignee:
Essilor International Cie Generale d'Optique, Creteil, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ; A61B / ;
U.S. Cl.
CPC ...
128395 ; 1283031 ;
Abstract
An ophthalmic surgical apparatus is disclosed comprising a main laser generator for emitting an operating laser beam of infrared energy and an auxiliary laser generator for emitting a marker laser beam of visible light. The laser beams are superposed before reaching an operating system by a plurality of mirrors and a laser beam expander for each of the laser beams. The laser beam expanders have separate entrance lenses and a common exit lens. Preferably, the operating optical system comprises a focusing lens which doubles as the common exit lens of the laser beam expander.