Light source device for endoscope and endoscope system
US10939811B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 12, 2018 |
| Grant date | Mar 9, 2021 |
| Priority date | — |
| Expiry date | Jun 5, 2039 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61B1/05
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A light source device for endoscope includes a rotational body configured to rotate with a rotational axis as a center; a fluorescent body arranged in a predetermined area of the rotational body and configured to generate fluorescence by excitation light being radiated; an illuminating portion capable of selectively radiating excitation light of a first quantity and excitation light of a second quantity which is larger than the first quantity to a fluorescent body; and a control portion configured to switch between a first state of radiating the excitation light of the first quantity to the fluorescent body arranged in a first area and a second state of radiating the excitation light of the second quantity to the fluorescent body arranged in a second area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.