Title:
ENDOSCOPE TIP COMPONENT AND ENDOSCOPE
Document Type and Number:
WIPO Patent Application WO/2013/105376
Kind Code:
A1
Abstract:
An endoscope tip component according to the present invention has high impact resistance even if used in a small diameter endoscope and has improved light distribution characteristics even if the angle of view is wide. Provided is an endoscope tip component (1) which is provided with a tip component main body (4) that is attached to the tip of an insertion part (3) of an endoscope (2) and a tip lens (5) integrated with the tip component main body (4) by two-color molding and formed from a transparent resin having positive power. The tip lens (5) is a lens that is disposed closest to the object side among the optical members constituting an illumination optical system (9) for the endoscope (2). An insertion hole (13) is provided in the tip component main body (4) for inserting two following lenses (11, 12), which have positive power and which follow the tip lens (5).
Inventors:
TAKATO HIDEYASU (JP)
KAMO YUJI (JP)
TSUJI YOSHIFUMI (JP)
KAMO YUJI (JP)
TSUJI YOSHIFUMI (JP)
Application Number:
PCT/JP2012/081886
Publication Date:
July 18, 2013
Filing Date:
December 10, 2012
Export Citation:
Assignee:
OLYMPUS MEDICAL SYSTEMS CORP (JP)
International Classes:
G02B13/00; A61B1/00; G02B23/26
Foreign References:
| JP2009276502A | 2009-11-26 | |||
| JP2000193895A | 2000-07-14 | |||
| JPH1119028A | 1999-01-26 | |||
| JP2002160258A | 2002-06-04 | |||
| JPH09108174A | 1997-04-28 | |||
| JPH09105871A | 1997-04-22 | |||
| JP2004170575A | 2004-06-17 | |||
| JP2008023779A | 2008-02-07 | |||
| JP2002160258A | 2002-06-04 | |||
| JP2539199Y2 | 1997-06-25 | |||
| JP2004088713A | 2004-03-18 |
Other References:
See also references of EP 2804036A4
Attorney, Agent or Firm:
UEDA, Kunio et al. (JP)
Ueda Kunio (JP)
Ueda Kunio (JP)
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Claims: