JP5395277B2 - 装着ユニット及び内視鏡 - Google Patents
装着ユニット及び内視鏡 Download PDFInfo
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- A—HUMAN NECESSITIES
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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
- A61B1/00131—Accessories for endoscopes
- A61B1/00135—Oversleeves mounted on the endoscope prior to insertion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/00071—Insertion part of the endoscope body
- A61B1/00073—Insertion part of the endoscope body with externally grooved shaft
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/00147—Holding or positioning arrangements
- A61B1/00148—Holding or positioning arrangements using anchoring means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61B1/00147—Holding or positioning arrangements
- A61B1/00154—Holding or positioning arrangements using guiding arrangements for insertion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/00147—Holding or positioning arrangements
- A61B1/00156—Holding or positioning arrangements using self propulsion
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/00147—Holding or positioning arrangements
- A61B1/0016—Holding or positioning arrangements using motor drive units
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0052—Constructional details of control elements, e.g. handles
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/005—Flexible endoscopes
- A61B1/0051—Flexible endoscopes with controlled bending of insertion part
- A61B1/0055—Constructional details of insertion parts, e.g. vertebral elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/005—Flexible endoscopes
- A61B1/008—Articulations
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/273—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 for the upper alimentary canal, e.g. oesophagoscopes, gastroscopes
- A61B1/2733—Oesophagoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/31—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 for the rectum, e.g. proctoscopes, sigmoidoscopes, colonoscopes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B1/00142—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 with means for preventing contamination, e.g. by using a sanitary sheath
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Description
本発明の第1の実施形態について図1乃至図6を参照して説明する。図1は、第1の実施形態に係る内視鏡1を示す図である。図1に示すように、内視鏡1は、挿入部2と、挿入部2より基端方向側に設けられる操作部3とを備える。挿入部2は、小腸の内部、大腸の内部等の管腔に挿入される。操作部3には、ユニバーサルケーブル4の一端が接続されている。ユニバーサルケーブル4の他端には、スコープコネクタ5が設けられている。スコープコネクタ5は、画像プロセッサ等の画像処理ユニット7に接続されている。また、スコープコネクタ5にはライトガイドチューブ8の一端が接続されている。ライトガイドチューブ8の他端は、光源ユニット9に接続されている。
なお、第1の実施形態では、挿入部2は、隙間がない状態でチューブ基端部29が固定される回転体(第2の回転体)61を備える。しかし、第1の変形例として図7に示すように、挿入部2は、隙間がない状態でチューブ先端部28が固定される回転体(第1の回転体)101を備えてもよい。回転体101は、挿入本体13に対して長手軸C回りに回転可能である。回転体101を回転させる原理については、回転体61と同様であるため、説明を省略する。チューブ先端部28の先端側隙間減少部91により、チューブ先端部28が挿入部2の回転体(第1の回転体)101に隙間90がない状態で、固定されている。
次に、本発明の第2の実施形態について、図14及び図15を参照して説明する。第2の実施形態は、第1の実施形態の構成を次の通り変形したものである。なお、第1の実施形態と同一の部分については同一の符号を付して、その説明は省略する。
なお、第2の実施形態では、部材挿入部72にモータ75又は手動回転部材118が装着されているが、これに限るものではない。例えば、第1の変形例として図16に示すように、線状部材83が、部材挿入口71から操作部3の外部に延出されてもよい。本変形例では、操作部3の外部で、切替え接続部111により線状部材83とモータ75又は手動回転部材118とが選択的に接続される。
次に、本発明の第3の実施形態について、図17及び図18を参照して説明する。第3の実施形態は、第1の実施形態の構成を次の通り変形したものである。なお、第1の実施形態と同一の部分については同一の符号を付して、その説明は省略する。
なお、第3の実施形態では、中継外皮125により第2の外表面部128が形成されているが、これに限るものではない。例えば、第1の変形例として図19に示すように、湾曲部外皮45の外周部に、金属製のリング135を固定してもよい。この場合、リング135により、第1の外表面部127より摩擦に対する強度が高い第2の外表面部128が形成される。
次に、本発明の第4の実施形態について、図21及び図22を参照して説明する。第4の実施形態は、第1の実施形態の構成を次の通り変形したものである。なお、第1の実施形態と同一の部分については同一の符号を付して、その説明は省略する。
第4の実施形態の第1の変形例として、図23に示すように回転ギア63を備えるギアユニット110に、駆動ユニット113又は手動回転ユニット117が選択的に接続されてもよい。駆動ユニット113は、駆動部材であるモータ75と、第1の線状部材83Aとを備える。装着部である部材挿入部72にモータ75が装着された状態では、第1の線状部材83Aは、操作部3の内部及び挿入部2の内部を通って回転ギア63に向かって延設される。また、駆動ユニット113は、ギア配置部138で回転ギア63と第1の線状部材83Aとの間を接続する第1の切替え接続部141Aを備える。図24は、図23の24−24線断面図である。図24に示すように、第1の切替え接続部141Aは、ギア軸Rに垂直な断面において、回転ギア63の溝状部139に対応する略六角形状に形成されている。第1の切替え接続部141Aが溝状部139に挿入されることにより、回転ギア63と第1の線状部材83Aとの間が接続される。これにより、ギアユニット110と駆動ユニット113とが接続される。
次に、本発明の第5の実施形態について、図25乃至図27を参照して説明する。第5の実施形態は、第1の実施形態の構成を次の通り変形したものである。なお、第1の実施形態と同一の部分については同一の符号を付して、その説明は省略する。
Claims (4)
- 長手軸に沿って延設されるとともに、管腔に挿入される挿入本体と、ギア軸回りに回転可能に前記挿入本体に取付けられる回転ギアと、一端が前記回転ギアに接続される線状部材と、を備える内視鏡において、前記挿入本体に対して長手軸回り方向に回転可能な状態で前記挿入本体の外周方向側に取付けられる装着ユニットであって、
前記長手軸に沿って延設され、径方向への圧力によって屈曲可能な可撓性を有するチューブ本体であって、前記挿入本体が貫通する状態で挿通される挿通空洞を形成する内周部を備え、前記線状部材及び前記回転ギアが前記ギア軸回りに回転することにより、前記挿入本体に対して前記長手軸回り方向に回転するチューブ本体と、
前記チューブ本体から外周方向に向かって突出する状態で前記チューブ本体の外周部に前記長手軸に沿って螺旋状に延設されるとともに、管腔壁に接触する状態で前記チューブ本体と一体に前記挿入本体に対して前記長手軸回り方向に回転することにより、前記長手軸に平行な方向への推進力を前記挿入本体に作用させるフィン部であって、前記装着ユニットが前記挿入本体に対して回転しない状態において、前記推進力とは異なる外力の前記長手軸に平行な前記方向への作用状態に対応して、前記長手軸に平行の前記方向に屈曲し、屈曲することにより、前記長手軸から外周端までの寸法が変化するフィン部と、
を具備し、
前記フィン部は、
前記長手軸に平行な方向への前記外力が作用しない状態において、前記外周端が位置するとともに、前記長手軸に平行な方向について第1の幅寸法を有する第1の幅寸法部と、
前記長手軸に平行な方向への前記外力が作用しない状態において、前記第1の幅寸法部より内周方向側に位置するとともに、前記長手軸に平行な方向について前記第1の幅寸法より小さい第2の幅寸法を有する第2の幅寸法部であって、前記長手軸に平行な方向に前記外力が作用することにより、屈曲する第2の幅寸法部と、
を備え、
前記フィン部は、前記長手軸に平行な前記方向への前記外力が作用しない状態において、前記長手軸から前記フィン部の前記外周端までの前記寸法が10mmより大きく、
前記装着ユニットが取付けられる前記挿入本体は、
第1の管状部と、
前記第1の管状部より先端方向側に設けられ、前記第1の管状部より可撓性が高い第2の管状部であって、前記長手軸に垂直な方向に外力が作用することにより受動的に湾曲する受動湾曲部を備える第2の管状部と、
前記第1の管状部と前記第2の管状部との間に設けられ、前記回転ギアが配置されるギア配置部を形成する接続口金と、
を備え、
前記装着ユニットは、前記接続口金の前記外周方向側に基端が位置し、かつ、前記回転ギアから回転駆動力が基端部に伝達される状態で、前記挿入本体に取付けられ、
前記チューブ本体は、前記装着ユニットが前記挿入本体に取付けられた状態において、前記受動湾曲部の前記外周方向側に被覆される、
装着ユニット。 - 前記長手軸に平行な前記方向への前記外力が作用する状態において、前記長手軸から前記フィン部の前記外周端までの前記寸法が10mm以下である、請求項1の装着ユニット。
- 前記フィン部は、前記装着ユニットが回転しない状態で前記挿入本体を前記長手軸に沿って移動させた場合に、前記長手軸に平行な前記方向へ2N以上の大きさの前記外力が作用することにより屈曲する、請求項1の装着ユニット。
- 請求項1の装着ユニットと、
前記装着ユニットが前記長手軸回り方向に回転可能に取付けられる前記挿入本体と、
前記ギア軸回りに回転可能に前記挿入本体に取付けられる前記回転ギアと、
一端が前記回転ギアに接続され、前記回転ギアと一体に前記ギア軸回りに回転することにより、前記チューブ本体を前記挿入本体に対して前記長手軸回り方向に回転させる線状部材と、
を具備する内視鏡。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201161473372P | 2011-04-08 | 2011-04-08 | |
US61/473,372 | 2011-04-08 | ||
PCT/JP2011/063942 WO2012137362A1 (ja) | 2011-04-08 | 2011-06-17 | 内視鏡 |
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Publication Number | Publication Date |
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JP5395277B2 true JP5395277B2 (ja) | 2014-01-22 |
JPWO2012137362A1 JPWO2012137362A1 (ja) | 2014-07-28 |
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JP2012543831A Active JP5395277B2 (ja) | 2011-04-08 | 2011-06-17 | 装着ユニット及び内視鏡 |
JP2012543829A Active JP5326053B2 (ja) | 2011-04-08 | 2011-06-17 | 装着ユニット及び内視鏡 |
JP2012531583A Active JP5326049B2 (ja) | 2011-04-08 | 2011-06-17 | 内視鏡、装着ユニット及び挿入本体 |
JP2012543832A Active JP5326054B2 (ja) | 2011-04-08 | 2011-06-17 | 装着ユニット及び内視鏡 |
JP2012533165A Active JP5326050B2 (ja) | 2011-04-08 | 2011-06-17 | 内視鏡、挿入本体及び線状部材 |
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JP2012531583A Active JP5326049B2 (ja) | 2011-04-08 | 2011-06-17 | 内視鏡、装着ユニット及び挿入本体 |
JP2012543832A Active JP5326054B2 (ja) | 2011-04-08 | 2011-06-17 | 装着ユニット及び内視鏡 |
JP2012533165A Active JP5326050B2 (ja) | 2011-04-08 | 2011-06-17 | 内視鏡、挿入本体及び線状部材 |
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US (5) | US8784302B2 (ja) |
EP (4) | EP2668888B1 (ja) |
JP (5) | JP5395277B2 (ja) |
CN (4) | CN103402414B (ja) |
WO (5) | WO2012137361A1 (ja) |
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US9060770B2 (en) | 2003-05-20 | 2015-06-23 | Ethicon Endo-Surgery, Inc. | Robotically-driven surgical instrument with E-beam driver |
US20070084897A1 (en) | 2003-05-20 | 2007-04-19 | Shelton Frederick E Iv | Articulating surgical stapling instrument incorporating a two-piece e-beam firing mechanism |
US11998198B2 (en) | 2004-07-28 | 2024-06-04 | Cilag Gmbh International | Surgical stapling instrument incorporating a two-piece E-beam firing mechanism |
US9072535B2 (en) | 2011-05-27 | 2015-07-07 | Ethicon Endo-Surgery, Inc. | Surgical stapling instruments with rotatable staple deployment arrangements |
US11896225B2 (en) | 2004-07-28 | 2024-02-13 | Cilag Gmbh International | Staple cartridge comprising a pan |
US8215531B2 (en) | 2004-07-28 | 2012-07-10 | Ethicon Endo-Surgery, Inc. | Surgical stapling instrument having a medical substance dispenser |
US7934630B2 (en) | 2005-08-31 | 2011-05-03 | Ethicon Endo-Surgery, Inc. | Staple cartridges for forming staples having differing formed staple heights |
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