JP6165387B2 - 内視鏡装置及び内視鏡システム - Google Patents
内視鏡装置及び内視鏡システム Download PDFInfo
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- 238000003780 insertion Methods 0.000 claims 20
- 230000003287 optical effect Effects 0.000 claims 12
- 238000002679 ablation Methods 0.000 claims 2
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000007599 discharging Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
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Description
まず、本発明の第1の実施形態の内視鏡装置を含む内視鏡システム全体の概略構成について、図1を用いて以下に説明する。図1は、本発明の第1の実施形態の内視鏡を含む内視鏡システムの概略構成図である。
図6は本発明の第2の実施形態の内視鏡装置の構成の一部を示す図である。詳しくは、本実施形態の内視鏡装置における内視鏡先端部及び先端被覆部の縦断面図である。図6においては、内視鏡の挿入軸(長軸Ax)に沿う断面を示している。
図7〜図9は、本発明の第3の実施形態を示す図である。このうち図7は、本実施形態の内視鏡装置における内視鏡の先端側の一部を示す要部概略斜視図である。図8は、図7の内視鏡の長軸に沿う断面を示す概略断面図である。図9は、本実施形態の内視鏡装置の先端側の一部を示す要部概略斜視図である。図9においては、内視鏡に内視鏡先端フードを装着した状態を示している。
図10は、本発明の第4の実施形態の内視鏡装置における先端側における長軸に沿う断面を示す概略断面図である。図10においては、内視鏡に内視鏡先端フードを装着した状態を示している。
図11,図12は、本発明の第5の実施形態を示す図である。このうち図11は、本実施形態の内視鏡装置の先端側の一部を長軸に沿う断面で示す概略断面図である。図12は、図11の[12]−[12]線に沿う断面図である。
Claims (11)
- 被検体内に挿入され先端部を有する内視鏡挿入部と、
少なくとも前記内視鏡挿入部の前記先端部の外周を覆い前記先端部に保持される先端被覆部と、
前記先端被覆部に開口が設けられ、前記被検体の内部と前記被検体の外部とを連通させる第1の管路と、
前記先端被覆部が前記内視鏡挿入部の前記先端部に保持されたときに、前記内視鏡挿入部の長軸を中心とする回転方向における前記第1の管路の開口の位置を規定する位置決め部と、
を有し、
前記内視鏡挿入部は、前記被検体内の光学像を取得する観察光学系と、前記内視鏡挿入部の基端側と先端側とを連通し、前記被検体内に処置具を挿通させる第2の管路とを有し、
前記内視鏡挿入部の前記先端部において前記観察光学系の光軸と前記第2の管路の中心軸とを結ぶ第1の直線に対し前記観察光学系の光軸と前記第2の管路の中心軸との中点を通って直交する第2の直線を定義したとき、前記位置決め部は、前記第2の直線を挟んで前記第2の管路に対し対向する側に前記第1の管路の開口が位置するように、前記内視鏡挿入部の前記先端部に対する前記第1の管路の開口の位置を位置決めすることを特徴とする内視鏡装置。 - 前記位置決め部は、前記第1の直線に対し、角度90度以上270度以下の範囲内に前記第1の管路の開口が位置するように位置決めすることを特徴とする請求項1に記載の内視鏡装置。
- 前記第1の管路は、前記内視鏡挿入部の基端側で前記内視鏡挿入部の内部に挿通されていると共に、前記内視鏡挿入部の先端側で前記内視鏡挿入部の外部に露呈しており、前記第1の管路の先端に設けられた開口部を前記先端被覆部が保持していることを特徴とする請求項1に記載の内視鏡装置。
- 前記第1の管路の開口が、さらに、前記先端被覆部の内表面に開口していることを特徴とする請求項1に記載の内視鏡装置。
- 前記第1の管路の開口が、さらに、前記先端被覆部の外表面に開口していることを特徴とする請求項1に記載の内視鏡装置。
- 前記第1の管路の開口が、さらに、前記先端被覆部の内表面及び外表面に開口していることを特徴とする請求項1に記載の内視鏡装置。
- 前記位置決め部は、凸形状に形成される凸状部と、凹形状に形成される凹状溝部とからなり、
前記凸状部は前記先端部に前記凹状溝部は前記先端被覆部にそれぞれ設けられるか、又は前記凸状部は前記先端被覆部に前記凹状溝部は前記先端部にそれぞれ設けられることを特徴とする請求項1に記載の内視鏡装置。 - 前記位置決め部は、前記先端部とは別体に形成されると共に、前記先端部に対して着脱自在に構成されていることを特徴とする請求項1に記載の内視鏡装置。
- 前記位置決め部は、全体として円環形状からなると共に、外周面上の一部に外方に向けた凸状部を有して形成されていることを特徴とする請求項1に記載の内視鏡装置。
- 一端が前記先端被覆部に設けられると共に、前記被検体の外部から前記被検体の内部に気体を流通させるための管路であって、前記第1の管路とは異なる第3の管路と、
前記被検体の外部に設けられ、前記第3の管路に対して気体を供給する送気装置と、
をさらに有し、
前記第1の管路は、前記被検体内から発生した気体を含む流体を前記開口を介して前記被検体の外部へと排出する吸引管路であることを特徴とする請求項1に記載の内視鏡装置。 - 被検体内に挿入され先端部を有する内視鏡挿入部と、
少なくとも前記内視鏡挿入部の前記先端部の外周を覆い前記先端部に保持される先端被覆部と、
前記先端被覆部に開口が設けられ、前記被検体の内部と前記被検体の外部とを連通させる第1の管路と、
前記先端被覆部が前記内視鏡挿入部の前記先端部に保持されたときに、前記内視鏡挿入部の長軸を中心とする回転方向における前記第1の管路の開口の位置を規定する位置決め部と、
前記内視鏡挿入部の基端側と先端側とを連通させる第2の管路と、
前記第2の管路を介して前記被検体の外部から前記被検体内に挿入される処置具と、
前記被検体内で前記処置具にエネルギを与えることにより当該被検体の一部を焼灼する焼灼装置と、
前記焼灼装置が前記被検体の一部を焼灼する際に生じるミストを前記第1の管路を介して前記被検体内から当該被検体の外部へと排出するために前記第1の管路が接続する吸引装置と、
を具備し、
前記内視鏡挿入部は、前記被検体内の光学像を取得する観察光学系を有し、
前記内視鏡挿入部の前記先端部において前記観察光学系の光軸と前記第2の管路の中心軸とを結ぶ第1の直線に対し前記観察光学系の光軸と前記第2の管路の中心軸との中点を通って直交する第2の直線を定義したとき、前記位置決め部は、前記第2の直線を挟んで前記第2の管路に対し対向する側に前記第1の管路の開口が位置するように、前記内視鏡挿入部の前記先端部に対する前記第1の管路の開口の位置を位置決めすることを特徴とする内視鏡システム。
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KR101889921B1 (ko) * | 2016-12-06 | 2018-08-21 | 해성옵틱스(주) | 니들형 내시경 |
CN108652675A (zh) * | 2018-02-11 | 2018-10-16 | 江苏金羿智芯科技有限公司 | 一种基于人工智能的内窥镜图像去雾系统 |
US20210267669A1 (en) * | 2020-02-28 | 2021-09-02 | Olympus Corporation | Device for treating gastroesophageal reflux disease and method for treating gastroesophageal reflux disease |
KR102296936B1 (ko) * | 2021-02-19 | 2021-09-02 | (주)스코프로 | 내시경 캡 및 이를 포함하는 내시경 장치 |
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2016
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JPWO2016194648A1 (ja) | 2017-08-03 |
US20180084974A1 (en) | 2018-03-29 |
CN107427193A (zh) | 2017-12-01 |
WO2016194648A1 (ja) | 2016-12-08 |
US10881278B2 (en) | 2021-01-05 |
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