Fundus photographing device
US6487368B1 · kind B1 · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 4, 2000 |
| Grant date | Nov 26, 2002 |
| Priority date | — |
| Expiry date | Dec 4, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B3/1241
- WIPO fieldMedical technology
- WIPO sectorInstruments
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 1 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.