Endoscope device

a technology of endoscope and endoscope, which is applied in the field of endoscope devices, can solve the problems that the information of deep tissue near the surface of living body tissue cannot be readily recognized, and achieves the effect of improving the accuracy of endoscope results
US20080294105A1Inactive Publication Date: 2008-11-27OLYMPUS CORP
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
OLYMPUS CORP
Publication Date
2008-11-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

An endoscope device obtains tissue information of a desired depth near the tissue surface. A xenon lamp (11) in a light source (4) emits illumination light. A diaphragm (13) controls a quantity of the light that reaches a rotating filter. The rotating filter has an outer sector with a first filter set, and an inner sector with a second filter set. The first filter set outputs frame sequence light having overlapping spectral properties suitable for color reproduction, while the second filter set outputs narrow-band frame sequence light having discrete spectral properties enabling extraction of desired deep tissue information. A condenser lens (16) collects the frame sequence light coming through the rotating filter onto the incident face of a light guide (15). The diaphragm controls the amount of the light reaching the filter depending on which filter set is selected.
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Description

CROSS REFERENCE TO RELATED APPLICATIONS

[0001] The present application is a continuation application of (1) U.S. application Ser. No. 10 / 333,155 filed on Jan. 16, 2003, which claims priority based on (2) Japanese Patent Application No. 2000-221312 applied in Japan on Jul. 21, 2000, (3) Japanese Patent Application No. 2000-227237 applied in Japan on Jul. 27, 2000, (4) Japanese Patent Application No. 2000-227238 applied in Japan on Jul. 27, 2000, and (5) Japanese Patent Application No. 2001-88256 applied in Japan on Mar. 26, 2001 claiming priority based on the aforementioned Japanese Patent Application No. 2000-221312 applied in Japan on Jul. 21, 2000, and the contents disclosed in the aforementioned (1) through (5) have been referenced to in the present specification, Claims, and drawings and are incorporated herein by reference.TECHNICAL FIELD

[0002] The present invention relates to an endoscope device which captures images of living body tissue and performs signal processing thereon.BA...

Claims

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