Invention Grant
- Patent Title: Endoscope system and lens unit
- Patent Title (中): 内窥镜系统和镜头单元
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Application No.: US12254479Application Date: 2008-10-20
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Publication No.: US08547424B2Publication Date: 2013-10-01
- Inventor: Hiroshi Ishii , Seiji Iwasaki , Masahiro Kawauchi , Hideaki Ishihara , Susumu Takahashi , Shinichi Nakamura , Azusa Noguchi , Hideyasu Takato , Tsutomu Sasamoto
- Applicant: Hiroshi Ishii , Seiji Iwasaki , Masahiro Kawauchi , Hideaki Ishihara , Susumu Takahashi , Shinichi Nakamura , Azusa Noguchi , Hideyasu Takato , Tsutomu Sasamoto
- Applicant Address: JP Tokyo JP Tokyo
- Assignee: Olympus Medical Systems Corp.,Olympus Corporation
- Current Assignee: Olympus Medical Systems Corp.,Olympus Corporation
- Current Assignee Address: JP Tokyo JP Tokyo
- Agency: Scully, Scott, Murphy & Presser, P.C.
- Priority: JP2006-118240 20060421
- Main IPC: A61B1/06
- IPC: A61B1/06 ; A61B1/04
Abstract:
An endoscope system has a light source apparatus and an endoscope including an illumination optical system and an objective optical system. At least the objective optical system of the endoscope is provided with an adjustable diaphragm, and in a light path in one of the light source apparatus, the illumination optical system, and the objective optical system, an insertable/retractable filter for observation for special light is provided. The adjustable diaphragm performs a closing operation or an opening operation only when the filter for observation for special light is inserted into the light path.
Public/Granted literature
- US20090051764A1 ENDOSCOPE SYSTEM AND LENS UNIT Public/Granted day:2009-02-26
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