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:
Aug. 21, 2007
Filed:
Jan. 13, 2004
Naoyuki Maeda, Minoo-shi, JP;
Masaki Tanaka, Okazaki-shi, JP;
Naoyuki Maeda, Minoo-shi, JP;
Masaki Tanaka, Okazaki-shi, JP;
Nidek Co., Ltd., , JP;
Abstract
A corneal surgery apparatus capable of irradiating a laser beam at a desired position on a cornea more accurately. The apparatus has an optical system for irradiating a laser beam onto a cornea, a unit which moves an irradiation position of the beam relative to an eye, a unit having an element for picking up an image of an anterior-segment, which processes an image signal from the element to detect a characteristic point in the image, a unit which stores positional information on the characteristic point when the eye is in a predetermined reference state, a unit which detects duction condition of the eye based on positional information on the characteristic point when the eye is in a surgery state and that being stored, and a unit which controls the moving unit based on a detection result of the duction detection unit.