ENDOSCOPE-USE INSERTION UNIT - OLYMPUS MEDICAL SYSTEMS CORP

Title:

ENDOSCOPE-USE INSERTION UNIT

Document Type and Number:

WIPO Patent Application WO/2006/075650

Kind Code:

A1

Abstract:

An endoscope-use insertion unit capable of, when part of an endoscope image to be displayed on a display unit such as a monitor is magnified and displayed, illuminating an affected part corresponding to the above part of the endoscope image with an illuminating light having a light quantity almost the same as that used at non-magnified displaying. The endoscope-use insertion unit comprises an insertion unit having a tip end surface, a first illuminating optical system disposed at the tip end surface to illuminate an object to be examined with light, a second illuminating optical system disposed at the tip end surface to illuminate the object to be examined with light, a first imaging unit having a first optical member that allows light from the object to be examined to enter and is provided at the tip end surface, and a second imaging unit being higher in observing magnification than the first observing optical system and having a second optical member that allows light from the object to be examined to enter and is provided in an area held between the first illuminating optical system and the second illuminating optical system.

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Inventors:

OTAWARA TAKASHI (JP)

Application Number:

PCT/JP2006/300271

Publication Date:

July 20, 2006

Filing Date:

January 12, 2006

Export Citation:

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Assignee:

OLYMPUS MEDICAL SYSTEMS CORP (JP)
OTAWARA TAKASHI (JP)

International Classes:

A61B1/00

Foreign References:

JPH05297288A	1993-11-12
JP2004240346A	2004-08-26
JPH11104070A	1999-04-20
US20040158129A1	2004-08-12
JPH06154155A	1994-06-03
JP2003310543A	2003-11-05
JPH06154155A	1994-06-03

Other References: