JP5331424B2 - 内視鏡 - Google Patents
内視鏡 Download PDFInfo
- Publication number
- JP5331424B2 JP5331424B2 JP2008245417A JP2008245417A JP5331424B2 JP 5331424 B2 JP5331424 B2 JP 5331424B2 JP 2008245417 A JP2008245417 A JP 2008245417A JP 2008245417 A JP2008245417 A JP 2008245417A JP 5331424 B2 JP5331424 B2 JP 5331424B2
- Authority
- JP
- Japan
- Prior art keywords
- built
- bending
- insertion portion
- endoscope
- forceps channel
- 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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- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Description
検討条件
内径D:0.6mm
長径L1:1.7mm以下
短径L2:0.9mm
材質:ポリテトラフルオロエチレン(PTFE)
湾曲部の最小湾曲半径:約6mm
12 挿入部
16 鉗子チャンネル
20 湾曲部
30 信号線
33 湾曲駒
46 連結ピン
50 ワイヤガイド部
62 送気送水チャンネル
63 ライトガイド
67,71 外皮
85 内蔵物
87 CAEモデル
Claims (2)
- 体腔内に挿入される挿入部と、
前記挿入部の先端の向きを変えられるように湾曲自在な構造を有する湾曲部と、
前記挿入部内に挿通され、前記挿入部の先端から処置具を突出させる鉗子チャンネルであり、前記湾曲部内で略中央に配置される前記鉗子チャンネルと、
前記挿入部内に挿通されて前記湾曲部内で前記鉗子チャンネルの周りに配置され、前記挿入部の長手方向に直交する方向の肉厚が前記湾曲部内で不均一にされた内蔵物であり、前記湾曲部内における前記挿入部の周方向の肉厚である長径が、前記挿入部の半径方向の肉厚である短径よりも長くされた楕円形状であって、円形の内径部が設けられたチューブ状の前記内蔵物と、
を備える内視鏡において、
前記楕円形状の内蔵物を所定の隙間に押し込んで座屈させるのに必要な押し込み力は、前記楕円形状の内蔵物の前記短径と同じ直径の外径と、前記楕円形状の内蔵物の前記内径部と同じ直径の内径部とを有し、断面が円形とされたチューブ状の内蔵物を前記隙間に押し込んで座屈させるのに必要な押し込み力の5〜7倍であることを特徴とする内視鏡。 - 前記楕円形状の内蔵物の短径が0.9mmであるときに、前記長径を1.7mm以下にしたことを特徴とする請求項1記載の内視鏡。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008245417A JP5331424B2 (ja) | 2008-09-25 | 2008-09-25 | 内視鏡 |
US12/555,023 US20100076267A1 (en) | 2008-09-25 | 2009-09-08 | Endoscope having forceps channel |
EP09011739A EP2168472A3 (en) | 2008-09-25 | 2009-09-14 | Endoscope having forceps channel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008245417A JP5331424B2 (ja) | 2008-09-25 | 2008-09-25 | 内視鏡 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010075322A JP2010075322A (ja) | 2010-04-08 |
JP5331424B2 true JP5331424B2 (ja) | 2013-10-30 |
Family
ID=42206517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008245417A Active JP5331424B2 (ja) | 2008-09-25 | 2008-09-25 | 内視鏡 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5331424B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5622527B2 (ja) * | 2010-10-29 | 2014-11-12 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
JP6270347B2 (ja) | 2013-06-07 | 2018-01-31 | オリンパス株式会社 | 形状センサ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07181397A (ja) * | 1993-12-24 | 1995-07-21 | Olympus Optical Co Ltd | 内視鏡 |
JPH1033467A (ja) * | 1996-07-25 | 1998-02-10 | Olympus Optical Co Ltd | 内視鏡 |
JPH10113326A (ja) * | 1996-10-15 | 1998-05-06 | Olympus Optical Co Ltd | 内視鏡 |
-
2008
- 2008-09-25 JP JP2008245417A patent/JP5331424B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2010075322A (ja) | 2010-04-08 |
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