Patent ID: 6960165
Filing Date: 2005-11-01
Classification: A61B,H04N,Y10S

Abstract:
1. An endoscope device comprising: a light source unit including a filter unit for selectively generating excitation light and illumination light, the excitation light including only a part of a blue wavelength light, and including a red and a green wavelength light, the light source unit being operable to selectively generate the excitation light responsive to switching to a fluorescence image mode, the filter unit including an excitation filter for generating the excitation light in the fluorescence image mode and including a normal-light filter for generating red, green and blue light in a normal-light image mode, the excitation filter and the normal light filter being provided rotatably and concentrically at an outer periphery and at an inner periphery side respectively of the filter unit, and being movable according to the mode, and a control facility that operates so that the filter corresponding to the normal-light image mode is first selected when a power supply is turned on; and an endoscope having, in an integrated fashion, a single image pick-up element for capturing reflected light and fluorescence from the interior of a body cavity, and an excitation light shielding filter for shielding the excitation light when in the fluorescence mode, while transmitting light other than the part of the blue wavelength.