JP5508690B2 - 内視鏡 - Google Patents
内視鏡 Download PDFInfo
- Publication number
- JP5508690B2 JP5508690B2 JP2008139931A JP2008139931A JP5508690B2 JP 5508690 B2 JP5508690 B2 JP 5508690B2 JP 2008139931 A JP2008139931 A JP 2008139931A JP 2008139931 A JP2008139931 A JP 2008139931A JP 5508690 B2 JP5508690 B2 JP 5508690B2
- Authority
- JP
- Japan
- Prior art keywords
- bending
- bending piece
- distal end
- piece
- tip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000005452 bending Methods 0.000 claims description 128
- 238000003780 insertion Methods 0.000 claims description 25
- 230000037431 insertion Effects 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000003384 imaging method Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
Images
Landscapes
- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Description
Claims (3)
- 互いに回動可能に共軸に連結されている筒状の複数の湾曲駒を有する湾曲部であって、前記複数の湾曲駒は先端に配置されている第1の湾曲駒を備える、湾曲部と、
前記湾曲部に挿通されている操作部材であって、前記第1の湾曲駒の内周面に前記操作部材の先端部が固定されている、操作部材と、
前記湾曲部の先端部に設けられ、筒状の先端形成部材を有する先端形成部と、
を具備し、
前記先端形成部材は、前記先端形成部材において基端側に形成され前記第1の湾曲駒に先端側から共軸に嵌入され固定されている嵌入部を有し、
前記嵌入部は、前記操作部材の先端部を収容する切欠部を有し、
軸方向について前記嵌入部の基端部の位置は前記第1の湾曲駒の基端部の位置に略一致し、
かつ、前記第1の湾曲駒の後端側に隣接する他の湾曲駒の円筒部の外径は、前記第1の湾曲駒の内径と外径との間の長さであり、
前記他の湾曲駒の円筒部の内径は、前記嵌入部の内径と外径との間の長さである
ことを特徴とする内視鏡。 - 前記切欠部は、径方向にみて、U字状をなしている、
ことを特徴とする請求項1に記載の内視鏡。 - 前記切欠部は、径方向にみて、コ字状をなしている、
ことを特徴とする請求項1に記載の内視鏡。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008139931A JP5508690B2 (ja) | 2008-05-28 | 2008-05-28 | 内視鏡 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008139931A JP5508690B2 (ja) | 2008-05-28 | 2008-05-28 | 内視鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009285085A JP2009285085A (ja) | 2009-12-10 |
JP5508690B2 true JP5508690B2 (ja) | 2014-06-04 |
Family
ID=41454880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008139931A Active JP5508690B2 (ja) | 2008-05-28 | 2008-05-28 | 内視鏡 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5508690B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6423278B2 (ja) | 2015-02-09 | 2018-11-14 | 富士フイルム株式会社 | 内視鏡の湾曲部及び内視鏡 |
JP6349049B1 (ja) * | 2016-08-02 | 2018-06-27 | オリンパス株式会社 | 挿入装置 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0367604U (ja) * | 1989-11-02 | 1991-07-02 | ||
JPH1156760A (ja) * | 1997-08-26 | 1999-03-02 | Olympus Optical Co Ltd | 内視鏡 |
-
2008
- 2008-05-28 JP JP2008139931A patent/JP5508690B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2009285085A (ja) | 2009-12-10 |
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