JP2018075373A - コンパクトな発射アセンブリを備えた外科用ツールアセンブリ - Google Patents
コンパクトな発射アセンブリを備えた外科用ツールアセンブリ Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B17/07207—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously the staples being applied sequentially
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
- A61B2017/00398—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like using powered actuators, e.g. stepper motors, solenoids
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07271—Stapler heads characterised by its cartridge
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07278—Stapler heads characterised by its sled or its staple holder
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/068—Surgical staplers, e.g. containing multiple staples or clamps
- A61B17/072—Surgical staplers, e.g. containing multiple staples or clamps for applying a row of staples in a single action, e.g. the staples being applied simultaneously
- A61B2017/07214—Stapler heads
- A61B2017/07285—Stapler heads characterised by its cutter
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
- A61B2017/2932—Transmission of forces to jaw members
- A61B2017/2933—Transmission of forces to jaw members camming or guiding means
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- Surgical Instruments (AREA)
Abstract
Description
1.技術説明
本開示は、内視鏡外科用ステープル留めデバイスに関し、より具体的には、コンパクトな発射アセンブリを有する外科用ツールアセンブリを含む外科用ステープル留めデバイスに関する。
内視鏡用の外科用ステープル留めデバイスは、関節運動ツールアセンブリを含む。リニア内視鏡外科用ステープル留めデバイスは、一対のジョー、ツールアセンブリを通して可動なナイフを支持する駆動部材、及びジョーの1つに支持されたステープルカートリッジからステープルを射出するように構成された作動スレッドを有するツールアセンブリを含む。ツールアセンブリはまた、ステープルカートリッジのステープルの位置の近位にある位置のジョーの対によって画成される組織間隙内に組織が位置付けられることを防止する組織止めを含んでもよい。作動スレッドは、組織の切断に先立って組織内のステープルの形成を容易にするために駆動部材及びナイフの遠位に位置付けられる。
例えば、本願は以下の項目を提供する。
(項目1)
外科用ステープル留めデバイスであって、
細長い本体と、
上記細長い本体の遠位部に支持されたツールアセンブリと、を備え、上記ツールアセンブリは、カートリッジアセンブリ及びアンビルアセンブリを含み、上記カートリッジアセンブリ及びアンビルアセンブリは、離間位置と近接位置との間で互いに対して可動であり、上記カートリッジアセンブリは、複数のステープルを支持するステープルカートリッジ、ナイフを支持する本体を有するクランプ部材、及びカム部材を含む作動スレッドを含み、作動前状態では、上記クランプ部材及び上記作動スレッドは、上記クランプ部材の上記ナイフが上記作動スレッドの上記カム部材の近位端の遠位に位置付けられる、入れ子の関係に位置付けられ、上記外科用ステープル留めデバイスの発射ストロークの少なくとも一部の間、上記クランプ部材は、上記ナイフを上記カム部材の近位に位置付けるために可動である、外科用ステープル留めデバイス。
(項目2)
上記作動スレッドの上記カム部材は、ブリッジによって相互接続された第1及び第2のカム部材を含み、上記ブリッジは、開放近位端を有するチャネルを画成する、上記項目に記載の外科用ステープル留めデバイス。
(項目3)
上記クランプ部材は、垂直支柱、上部梁、及び下部梁を含み、上記作動前状態では、上記垂直支柱は上記チャネルの近位部内に位置付けられる、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目4)
上記クランプ部材は突出部を含み、上記ブリッジは、上記チャネルの遠位端を横切って延びるクロス部材を含む、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目5)
上記突出部は、係合部材を含み、上記係合部材は、上記作動前状態で上記クロス部材の遠位に位置付けられる、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目6)
上記発射ストロークの間、上記係合部材は、上記クロス部材の近位位置に動かされる、
上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目7)
上記係合部材は、上記ブリッジの上記クロス部材の下を通って上記チャネルに入るように構成された近位傾斜面を含む、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目8)
上記係合部材は、上記係合部材が上記クロス部材の近位に位置付けられるとき、上記クランプ部材の遠位方向の動きを上記作動スレッドの遠位方向の動きに変換するために、上記クロス部材と係合するように構成された遠位面を含む、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目9)
上記クランプ部材は、少なくとも1つの半径方向延長部を含み、上記作動スレッドは凹部を画成し、上記少なくとも1つの半径方向延長部は、上記作動前状態では上記凹部内に位置付けられる、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目10)
上記少なくとも1つの半径方向延長部は、上記作動前状態では上記凹部の近位部に位置付けられる、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目11)
上記作動スレッドの上記カム部材は、ブリッジによって相互接続された第1及び第2のカム部材を含み、第1及び第2のカム部材は、チャネルを画成し、上記チャネルは、開放近位端と、上記チャネルの遠位端にあるクロス部材とを有する、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目12)
上記クランプ部材は、垂直支柱、上部梁、及び下部梁を含み、上記作動前状態では、上記垂直支柱は上記チャネルの近位部内に位置付けられる、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目13)
上記クランプ部材のクランプストロークの間、上記クランプ部材は、上記少なくとも1つの半径方向延長部が上記凹部の近位部から上記凹部の遠位部に動くように、上記作動スレッドとは独立して動く、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目14)
上記発射ストロークの間に、上記少なくとも1つの半径方向延長部は、上記凹部内の位置から上記作動スレッドの近位位置に動かされる、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目15)
上記凹部は、角度を有する近位端壁によって画成される、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目16)
上記少なくとも1つの半径方向延長部は、近位傾斜面を有する、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目17)
上記少なくとも1つの半径方向延長部は、上記クランプ部材のそれぞれ反対側に位置付けられた2つの半径方向延長部を含む、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目18)
外科用ステープル留めデバイスであって、
クランプ部材および作動スレッドを含むツールアセンブリを含み、
上記クランプ部材は、上記ツールアセンブリを開位置から近接位置に動かすために、クランプ位置に作動スレッドとは独立して前進させられるように構成されており、
上記クランプ部材は、発射ストロークを通して前進させられるように構成され、
上記クランプ部材および上記作動スレッドは、上記発射ストロークの第1の前進ステージを通して遠位に移動されるように構成され、
上記クランプ部材は、上記発射ストロークの後退ステージを通して上記作動スレッドとは独立して近位に移動させられるように構成され、
上記クランプ部材および上記作動スレッドは、ステープルを上記ツールアセンブリから射出するために、上記発射ストロークの第2の前進ステージを通して遠位に動かされるように構成される、外科用ステープル留めデバイス。
(項目19)
外科用ステープル留めデバイスであって、停止部材を含み、上記作動スレッドは、上記第1の前進ステージにおいて、上記作動スレッドの近位方向の動きを防止するために位置付けられた上記停止部材を過ぎて遠位に動くように構成されている、上記項目に記載の外科用ステープル留めデバイス。
(項目20)
上記クランプ部材は、ナイフを含み、上記ナイフは、上記後退ステージにおいて、上記作動スレッドのカム面の近位に動かされるように構成される、上記項目のいずれかに記載の外科用ステープル留めデバイス。
(項目18A)
外科用ステープル留めデバイスを作動させる方法であって、
ツールアセンブリを開位置から近接位置に動かすために、作動スレッドとは独立して上記ツールアセンブリ内でクランプ部材をクランプされた位置に前進させることと、
発射ストロークを通して上記クランプ部材を前進させることと、を含み、上記発射ストロークは、第1の前進ステージを通して上記クランプ部材及び上記作動スレッドを遠位に動かすことと、後退ステージを通して上記作動スレッドとは独立して上記クランプ部材を近位に動かすことと、ステープルを上記ツールアセンブリから射出するために、第2の前進ステージを通して上記クランプ部材及び上記作動スレッドを遠位に動かすことと、を含む、方法。
(項目19A)
上記第1の前進ステージを通して上記クランプ部材及び上記作動スレッドを遠位に動かすことは、上記作動スレッドの近位方向の動きを防止するように位置付けられた停止部材を過ぎて上記作動スレッドを遠位に動かすことを含む、上記項目に記載の方法。
(項目20A)
上記作動スレッドとは独立して上記クランプ部材を近位に動かすことは、上記作動スレッドのカム面の近位に上記クランプ部材のナイフを動かすことを含む、上記項目のいずれかに記載の方法。
(摘要)
外科用ステープル留めデバイスは、ハンドルアセンブリ、ハンドルアセンブリから遠位に延びる細長い本体、及びツールアセンブリを含む。ツールアセンブリは、関節運動のために細長い本体の遠位部に取り付けられ、複数のステープル及びプッシャーを支持するステープルカートリッジを含む。作動スレッドは、ステープルカートリッジからステープルを射出するために、ステープルカートリッジを通して可動であり、クランプ部材は、ツールアセンブリを開位置から近接位置に動かすために、及び、ステープルを射出して組織を横切するためにステープルカートリッジを通して作動スレッドを前進させるために、ツールアセンブリを通して可動である。ツールアセンブリの近位部における発射アセンブリのための空間を最小にするために、作動スレッド及びクランプ部材は、ツールアセンブリの作動前状態において入れ子の関係で支持される。その後、クランプ部材は、ステープル留めデバイスの発射ストローク中に作動スレッドの近位位置に動かされる。
Claims (20)
- 外科用ステープル留めデバイスであって、
細長い本体と、
前記細長い本体の遠位部に支持されたツールアセンブリと、を備え、前記ツールアセンブリは、カートリッジアセンブリ及びアンビルアセンブリを含み、前記カートリッジアセンブリ及びアンビルアセンブリは、離間位置と近接位置との間で互いに対して可動であり、前記カートリッジアセンブリは、複数のステープルを支持するステープルカートリッジ、ナイフを支持する本体を有するクランプ部材、及びカム部材を含む作動スレッドを含み、作動前状態では、前記クランプ部材及び前記作動スレッドは、前記クランプ部材の前記ナイフが前記作動スレッドの前記カム部材の近位端の遠位に位置付けられる、入れ子の関係に位置付けられ、前記外科用ステープル留めデバイスの発射ストロークの少なくとも一部の間、前記クランプ部材は、前記ナイフを前記カム部材の近位に位置付けるために可動である、外科用ステープル留めデバイス。 - 前記作動スレッドの前記カム部材は、ブリッジによって相互接続された第1及び第2のカム部材を含み、前記ブリッジは、開放近位端を有するチャネルを画成する、請求項1に記載の外科用ステープル留めデバイス。
- 前記クランプ部材は、垂直支柱、上部梁、及び下部梁を含み、前記作動前状態では、前記垂直支柱は前記チャネルの近位部内に位置付けられる、請求項2に記載の外科用ステープル留めデバイス。
- 前記クランプ部材は突出部を含み、前記ブリッジは、前記チャネルの遠位端を横切って延びるクロス部材を含む、請求項3に記載の外科用ステープル留めデバイス。
- 前記突出部は、係合部材を含み、前記係合部材は、前記作動前状態で前記クロス部材の遠位に位置付けられる、請求項4に記載の外科用ステープル留めデバイス。
- 前記発射ストロークの間、前記係合部材は、前記クロス部材の近位位置に動かされる、
請求項5に記載の外科用ステープル留めデバイス。 - 前記係合部材は、前記ブリッジの前記クロス部材の下を通って前記チャネルに入るように構成された近位傾斜面を含む、請求項6に記載の外科用ステープル留めデバイス。
- 前記係合部材は、前記係合部材が前記クロス部材の近位に位置付けられるとき、前記クランプ部材の遠位方向の動きを前記作動スレッドの遠位方向の動きに変換するために、前記クロス部材と係合するように構成された遠位面を含む、請求項7に記載の外科用ステープル留めデバイス。
- 前記クランプ部材は、少なくとも1つの半径方向延長部を含み、前記作動スレッドは凹部を画成し、前記少なくとも1つの半径方向延長部は、前記作動前状態では前記凹部内に位置付けられる、請求項1に記載の外科用ステープル留めデバイス。
- 前記少なくとも1つの半径方向延長部は、前記作動前状態では前記凹部の近位部に位置付けられる、請求項9に記載の外科用ステープル留めデバイス。
- 前記作動スレッドの前記カム部材は、ブリッジによって相互接続された第1及び第2のカム部材を含み、第1及び第2のカム部材は、チャネルを画成し、前記チャネルは、開放近位端と、前記チャネルの遠位端にあるクロス部材とを有する、請求項10に記載の外科用ステープル留めデバイス。
- 前記クランプ部材は、垂直支柱、上部梁、及び下部梁を含み、前記作動前状態では、前記垂直支柱は前記チャネルの近位部内に位置付けられる、請求項11に記載の外科用ステープル留めデバイス。
- 前記クランプ部材のクランプストロークの間、前記クランプ部材は、前記少なくとも1つの半径方向延長部が前記凹部の近位部から前記凹部の遠位部に動くように、前記作動スレッドとは独立して動く、請求項12に記載の外科用ステープル留めデバイス。
- 前記発射ストロークの間に、前記少なくとも1つの半径方向延長部は、前記凹部内の位置から前記作動スレッドの近位位置に動かされる、請求項13に記載の外科用ステープル留めデバイス。
- 前記凹部は、角度を有する近位端壁によって画成される、請求項14に記載の外科用ステープル留めデバイス。
- 前記少なくとも1つの半径方向延長部は、近位傾斜面を有する、請求項15に記載の外科用ステープル留めデバイス。
- 前記少なくとも1つの半径方向延長部は、前記クランプ部材のそれぞれ反対側に位置付けられた2つの半径方向延長部を含む、請求項16に記載の外科用ステープル留めデバイス。
- 外科用ステープル留めデバイスであって、
クランプ部材および作動スレッドを含むツールアセンブリを含み、
前記クランプ部材は、前記ツールアセンブリを開位置から近接位置に動かすために、クランプ位置に作動スレッドとは独立して前進させられるように構成されており、
前記クランプ部材は、発射ストロークを通して前進させられるように構成され、
前記クランプ部材および前記作動スレッドは、前記発射ストロークの第1の前進ステージを通して遠位に移動されるように構成され、
前記クランプ部材は、前記発射ストロークの後退ステージを通して前記作動スレッドとは独立して近位に移動させられるように構成され、
前記クランプ部材および前記作動スレッドは、ステープルを前記ツールアセンブリから射出するために、前記発射ストロークの第2の前進ステージを通して遠位に動かされるように構成される、外科用ステープル留めデバイス。 - 外科用ステープル留めデバイスであって、停止部材を含み、前記作動スレッドは、前記第1の前進ステージにおいて、前記作動スレッドの近位方向の動きを防止するために位置付けられた前記停止部材を過ぎて遠位に動くように構成されている、請求項18に記載の外科用ステープル留めデバイス。
- 前記クランプ部材は、ナイフを含み、前記ナイフは、前記後退ステージにおいて、前記作動スレッドのカム面の近位に動かされるように構成される、請求項18に記載の外科用ステープル留めデバイス。
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ES2925748T3 (es) | 2022-10-19 |
AU2017254944A1 (en) | 2018-05-24 |
CA2984661A1 (en) | 2018-05-08 |
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EP3318199B1 (en) | 2022-07-06 |
EP3318199A1 (en) | 2018-05-09 |
US10492784B2 (en) | 2019-12-03 |
JP7021907B2 (ja) | 2022-02-17 |
US20180125485A1 (en) | 2018-05-10 |
US11534161B2 (en) | 2022-12-27 |
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