JP5468037B2 - 内視鏡用可撓管 - Google Patents
内視鏡用可撓管 Download PDFInfo
- Publication number
- JP5468037B2 JP5468037B2 JP2011066442A JP2011066442A JP5468037B2 JP 5468037 B2 JP5468037 B2 JP 5468037B2 JP 2011066442 A JP2011066442 A JP 2011066442A JP 2011066442 A JP2011066442 A JP 2011066442A JP 5468037 B2 JP5468037 B2 JP 5468037B2
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- flexible tube
- cylindrical body
- thin wire
- net
- outer skin
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Images
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- Instruments For Viewing The Inside Of Hollow Bodies (AREA)
- Endoscopes (AREA)
Description
Claims (12)
- 帯状板を螺旋状に巻回して形成した螺管の外周面を、細線を互いに交差させて網目状に編成したネットで被覆し、該ネットの外周面を樹脂製の外皮で被覆した内視鏡用可撓管において、
前記細線の外周面に、前記外皮と密着し得る材料で形成された筒状体を前記細線と密着しないように被覆し、前記筒状体と前記外皮とを接合して成ることを特徴とする内視鏡用可撓管。 - 前記細線の表面には、前記筒状体に対して非密着性となるための表面処理が施されていることを特徴とする請求項1に記載の内視鏡用可撓管。
- 前記表面処理はフッ化アルキル基を有するシランカップリング剤による処理であることを特徴とする請求項2に記載の内視鏡用可撓管。
- 前記細線の外径よりも前記筒状体の内径が大きいことを特徴とする請求項1〜3の何れか1に記載の内視鏡用可撓管。
- 前記細線の断面形状と前記筒状体の断面形状が異なることにより、前記細線の外面と前記筒状体の内面とが部分的に接することを特徴とする請求項1〜3の何れか1に記載の内視鏡用可撓管。
- 前記細線の断面形状が円形であり、前記筒状体の断面形状が正方形であることを特徴とする請求項5に記載の内視鏡用可撓管。
- 前記筒状体の内面に凹凸が形成されていると共に、凸部と前記細線の外周面とが接することを特徴とする請求項1〜3の何れか1に記載の内視鏡用可撓管。
- 前記筒状体内面に形成される凹凸は、該筒状体内面の周方向に環状凸部と環状凹部とが交互に形成されて成ることを特徴とする請求項7に記載の内視鏡用可撓管。
- 前記筒状体内面に形成される凹凸は、該筒状体内面の軸線方向に直線状凸部と直線状凹部とが交互に形成されて成ることを特徴とする請求項7に記載の内視鏡用可撓管。
- 前記細線に滑り剤がコーティングされていることを特徴とする請求項1〜9の何れか1に記載の内視鏡用可撓管。
- 前記細線は、金属繊維と滑り性を有する樹脂繊維とが混紡した繊維束であることを特徴とする請求項1〜10の何れか1に記載の内視鏡用可撓管。
- 前記滑り性を有する樹脂繊維はシリコン繊維であることを特徴とする請求項11に記載の内視鏡用可撓管。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011066442A JP5468037B2 (ja) | 2011-03-24 | 2011-03-24 | 内視鏡用可撓管 |
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JP2011066442A JP5468037B2 (ja) | 2011-03-24 | 2011-03-24 | 内視鏡用可撓管 |
Publications (2)
Publication Number | Publication Date |
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JP2012200353A JP2012200353A (ja) | 2012-10-22 |
JP5468037B2 true JP5468037B2 (ja) | 2014-04-09 |
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JP2011066442A Active JP5468037B2 (ja) | 2011-03-24 | 2011-03-24 | 内視鏡用可撓管 |
Country Status (1)
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JP (1) | JP5468037B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11517185B2 (en) | 2018-04-25 | 2022-12-06 | Panasonic I-Pro Sensing Solutions Co., Ltd. | Endoscope |
EP4224236A4 (en) * | 2020-09-29 | 2024-02-21 | FUJIFILM Corporation | FLEXIBLE TUBE FOR ENDOSCOPE, ENDOSCOPE-TYPE MEDICAL DEVICE, AND METHODS OF PRODUCTION THEREOF |
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- 2011-03-24 JP JP2011066442A patent/JP5468037B2/ja active Active
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JP2012200353A (ja) | 2012-10-22 |
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