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:
Nov. 26, 2002
Filed:
Dec. 04, 2000
Applicant:
Inventors:
Shin Yoneya, Maebashi, JP;
Tsuguo Nanjo, Toyohashi, JP;
Assignee:
Nidek Co., Ltd., Gamagori, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 3/14 ; G03B 2/900 ;
U.S. Cl.
CPC ...
A61B 3/14 ; G03B 2/900 ;
Abstract
A fundus photographing device for conducting infrared fluorescence photography on a fundus of an examinee's eye after intravenously injecting a fluorescent agent which emits fluorescence of an infrared region into veins is disclosed. This device includes an illumination optical system for illuminating the fundus with exciting light, thereby exciting the injected fluorescent agent, the exciting light being of wavelengths in a wavelength region of not maximum absorption but maximum fluorescent intensity of the fluorescent agent.