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:
Dec. 23, 2014
Filed:
Jun. 12, 2009
Klaus Vogler, Eckental/Eschenau, DE;
Claudia Gorschboth, Nuremberg, DE;
Klaus Vogler, Eckental/Eschenau, DE;
Claudia Gorschboth, Nuremberg, DE;
WaveLight GmbH, Erlangen, DE;
Abstract
An apparatus for ophthalmic laser surgery comprises a source () for a pulsed femtosecond laser beam, a telescope () expanding the laser beam, a scanner () downstream of the telescope, for deflecting the laser beam in a plane perpendicular to the beam path, and also an f-theta objective () downstream of the scanner, for focusing the laser beam. In accordance with the invention, an entrance lens () of the telescope () takes the form of a controllable lens of variable refractive power. The entrance lens () is preferentially constituted by an electrically controllable liquid lens or liquid-crystal lens.