JP5259892B1 - 内視鏡 - Google Patents
内視鏡 Download PDFInfo
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- JP5259892B1 JP5259892B1 JP2013506029A JP2013506029A JP5259892B1 JP 5259892 B1 JP5259892 B1 JP 5259892B1 JP 2013506029 A JP2013506029 A JP 2013506029A JP 2013506029 A JP2013506029 A JP 2013506029A JP 5259892 B1 JP5259892 B1 JP 5259892B1
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00064—Constructional details of the endoscope body
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- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/05—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion
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- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A61B18/14—Probes or electrodes therefor
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Abstract
Description
しかしながら、前記日本特開2006−122498号公報に記載の内視鏡では、接続パイプの後端部が最先端の節輪の内面に半田付けにより固定されているので、経年劣化等により半田が剥離する虞れがあり、仮に半田が剥離した場合には、接続パイプと節輪とを確実に導通させることはできず、また、節輪が先端部本体から抜けてしまう虞もある。このため、節輪の抜け防止のための手段を設ける必要があるため、先端部本体の外径が大きくなってしまう要因になる。
図1は、本発明の第1の実施形態に係る内視鏡を備えた内視鏡システムの全体構成を示すブロック図である。
内視鏡2は、挿入部7と、この挿入部7が延設された操作部8とを有し、操作部8から延出するユニバーサルコード9がスコープコネクタ10を介して、光源装置3と接続される。また、スコープコネクタ10には、スコープケーブル4の一端部の電気コネクタが着脱自在に接続される。そして、このスコープケーブル4の他端部の電気コネクタは、ビデオプロセッサ5に接続される。
図2〜図5に示すように、本実施形態に係る内視鏡2の先端部11は、該先端部11の主要構成部材である先端硬質部材21と、チャンネルチューブ接続部材22と、湾曲駒部材23と、を有して構成される。
開口部24は、挿通チャンネル28用の連通孔の開口部である。2つの連通孔25は、先端から照明窓14を構成するガラスレンズ31、ライトガイドバンドル32をそれぞれ挿通して配設するための連通孔である。連通孔26は、撮像装置50の光学系と、この光学系の前方に配置される観察窓13aとを挿入して取り付けるための連通孔である。また、連通孔27は、観察窓洗浄ノズル15aが取り付けられる連通孔であり、後端側には、送気送水チューブ15Aと接続される図示しない接続パイプが嵌合される。
例えば、内視鏡2の先端部11において、経年劣化等により接着剤が剥離して湾曲駒部材23が先端硬質部材21から外れたとする。
しかしながら、本実施形態の内視鏡2では、湾曲駒部材23の突出部41が接触面40a上をスライドしながらチャンネルチューブ接続部材22の壁部40bに当接して係止される。同時に、湾曲駒部材23のもう一つの突出部42が、先端硬質部材21の係止溝部21C(図2参照)に係止される。
これにより、先端硬質部材21の細径化を図ることができることは勿論、先端部11の細径化を実現することができる。
図8は、本発明の第2の実施形態に係る内視鏡のチャンネルチューブ接続部材と最先端の湾曲駒部材とを分解した分解斜視図、図9は、図8の突起部と段差部との構成を示す拡大図である。尚、図8及び図9は、前記第1の実施形態に係る内視鏡2と同様の構成要素については同一に符号を付して説明を省略し、異なる部分のみを説明する。
従って、第2の実施形態によれば、前記第1の実施形態と同様の効果が得られる。
Claims (9)
- 挿通チャンネル用の連通孔を有し、樹脂で構成された先端硬質部材と、
先端側が前記先端硬質部材の前記連通孔に嵌入して固定され、後端側が挿通チャンネルチューブに接続される、導電性を有する部材を用いて筒状に構成されたチャンネルチューブ接続部材と、
前記チャンネルチューブ接続部材を内部に収容した状態で前記先端硬質部材の後端側の直後に固定され、導電性を有する部材を用いて筒状に構成された湾曲駒部材と、
前記チャンネルチューブ接続部材と湾曲駒部材の一方の周面に設けられ、他方の周面に向かって弾性的に突出し、前記チャンネルチューブ接続部材を内部に収容して前記先端硬質部材に固定したときに他方の周面と接触して導通する突出部と、
を具備したことを特徴とする内視鏡。 - 前記突出部は、前記湾曲駒部材の内周面に設けられており、
前記チャンネルチューブ接続部材は、長手方向の一部の外周面上に設けられた段差部を有し、
前記突出部の先端は、前記湾曲駒部材が前記チャンネルチューブ接続部材を内部に収容して前記先端硬質部材に固定したときに前記段差部と接触して導通することを特徴とする請求項1に記載の内視鏡。 - 前記突出部は、前記湾曲駒部材の薄肉部の一部を内周面側に押し出すことにより塑性変形させて、前記湾曲駒部材と一体的に構成したものであることを特徴とする請求項2に記載の内視鏡。
- 前記先端硬質部材の後端側には長手方向に形成された切り欠きが設けられ、前記突出部は、前記切り欠きの長手方向における範囲内で、前記段差部と接触することを特徴とする請求項2に記載の内視鏡。
- 前記突出部は、前記段差部と接触したときに前記段差部と係止することにより、前記湾曲駒部材の前記先端硬質部材から引き抜く方向への移動を防止することを特徴とする請求項2に記載の内視鏡。
- さらに、もうひとつの突出部を前記湾曲駒部材の内周面の前記突出部とは異なる位置に設け、前記先端硬質部材の外周面の一部に前記突出部と係合する溝部を設けたことを特徴とする請求項2に記載の内視鏡。
- 前記先端硬質部材は撮像装置を内部に有し、前記突出部及び前記段差部は、前記先端硬質部の軸方向に直交する方向の断面において、前記撮像装置とは離間する位置に配置されたことを特徴とする請求項2に記載の内視鏡。
- 前記突出部は、前記チャンネルチューブ接続部材の外周面に設けられており、前記湾曲駒部材は、長手方向の一部の内周面上に設けられた段差部を有し、前記突出部の先端は、前記湾曲駒部材が前記チャンネルチューブ接続部材を内部に収容して前記先端硬質部材に固定したときに前記段差部と接触して導通することを特徴とする請求項1に記載の内視鏡。
- 前記突出部は、前記チャンネルチューブ接続部材の薄肉部の一部を外周面側に引き出すことにより塑性変形させて、前記チャンネルチューブ接続部材と一体的に構成したものであることを特徴とする請求項8に記載の内視鏡。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2013506029A JP5259892B1 (ja) | 2011-09-05 | 2012-05-07 | 内視鏡 |
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JP2011192866 | 2011-09-05 | ||
JP2011192866 | 2011-09-05 | ||
JP2013506029A JP5259892B1 (ja) | 2011-09-05 | 2012-05-07 | 内視鏡 |
PCT/JP2012/061636 WO2013035379A1 (ja) | 2011-09-05 | 2012-05-07 | 内視鏡 |
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JP5259892B1 true JP5259892B1 (ja) | 2013-08-07 |
JPWO2013035379A1 JPWO2013035379A1 (ja) | 2015-03-23 |
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JP2013506029A Active JP5259892B1 (ja) | 2011-09-05 | 2012-05-07 | 内視鏡 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8801603B2 (ja) |
EP (1) | EP2638841B1 (ja) |
JP (1) | JP5259892B1 (ja) |
CN (1) | CN103260498B (ja) |
WO (1) | WO2013035379A1 (ja) |
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JP5622974B1 (ja) * | 2013-03-05 | 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 |
EP2974646B1 (en) * | 2013-04-22 | 2017-12-06 | Olympus Corporation | Endoscope adapter and endoscope |
JP6061817B2 (ja) * | 2013-08-22 | 2017-01-18 | オリンパス株式会社 | 内視鏡 |
JP5945633B2 (ja) * | 2014-02-13 | 2016-07-05 | オリンパス株式会社 | 挿入機器 |
JP6001218B1 (ja) * | 2015-01-30 | 2016-10-05 | オリンパス株式会社 | 内視鏡及び硬性部材 |
JP6001220B1 (ja) | 2015-03-18 | 2016-10-05 | オリンパス株式会社 | 内視鏡 |
CN106999014B (zh) * | 2015-06-18 | 2019-01-11 | 奥林巴斯株式会社 | 内窥镜 |
WO2016210322A1 (en) * | 2015-06-24 | 2016-12-29 | The Regents Of The University Of Colorado, A Body Corporate | Pediatric nasal endoscope, gastroscope and aerodigestive scope |
EP3335686B1 (en) * | 2015-07-06 | 2020-03-04 | Werd, LLC | Enteral tube for placement within a patient |
WO2017006598A1 (ja) * | 2015-07-09 | 2017-01-12 | オリンパス株式会社 | 挿入装置 |
CN108433692B (zh) * | 2018-03-28 | 2023-08-04 | 珠海视新医用科技有限公司 | 一种内窥镜先端头与蛇骨的连接工艺及连接结构 |
CN113710144A (zh) * | 2019-05-07 | 2021-11-26 | 奥林巴斯株式会社 | 内窥镜和内窥镜的接地确认方法 |
US11806904B2 (en) | 2019-09-06 | 2023-11-07 | Ambu A/S | Tip part assembly for an endoscope |
FR3106268B1 (fr) | 2020-01-17 | 2022-04-22 | Axess Vision Tech | Tête distale pour endoscope pourvue d’un canal de travail élargi |
WO2021176709A1 (ja) * | 2020-03-06 | 2021-09-10 | オリンパス株式会社 | 内視鏡用管状部材接続部および内視鏡 |
WO2022098898A1 (en) * | 2020-11-04 | 2022-05-12 | Werd, Llc | Tube assemblies |
CN114098604B (zh) * | 2021-11-29 | 2022-10-11 | 湖南省华芯医疗器械有限公司 | 一种镜头座、远端模块、内窥镜和方法 |
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JPH0549593A (ja) * | 1991-08-23 | 1993-03-02 | Machida Endscope Co Ltd | 内視鏡における先端構成部とチヤンネルチユーブとの接続構造 |
JP3563882B2 (ja) * | 1996-08-05 | 2004-09-08 | オリンパス株式会社 | 内視鏡 |
JP2006006529A (ja) * | 2004-06-24 | 2006-01-12 | Olympus Corp | 内視鏡 |
JP4959934B2 (ja) * | 2004-10-29 | 2012-06-27 | オリンパス株式会社 | 内視鏡 |
JP4668831B2 (ja) * | 2006-04-24 | 2011-04-13 | オリンパスメディカルシステムズ株式会社 | 内視鏡 |
JP5374099B2 (ja) * | 2008-09-12 | 2013-12-25 | オリンパスメディカルシステムズ株式会社 | 内視鏡挿入部 |
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JPH023702U (ja) * | 1988-06-20 | 1990-01-11 | ||
JPH0363025A (ja) * | 1989-08-01 | 1991-03-19 | Olympus Optical Co Ltd | 内視鏡 |
JPH03280918A (ja) * | 1990-03-28 | 1991-12-11 | Olympus Optical Co Ltd | 内視鏡 |
JPH09173280A (ja) * | 1995-12-25 | 1997-07-08 | Olympus Optical Co Ltd | 内視鏡 |
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US20130150667A1 (en) | 2013-06-13 |
EP2638841A4 (en) | 2014-04-02 |
CN103260498B (zh) | 2016-01-06 |
EP2638841B1 (en) | 2015-07-22 |
US8801603B2 (en) | 2014-08-12 |
WO2013035379A1 (ja) | 2013-03-14 |
EP2638841A1 (en) | 2013-09-18 |
JPWO2013035379A1 (ja) | 2015-03-23 |
CN103260498A (zh) | 2013-08-21 |
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