JP6936701B2 - 解放可能なナイフ担体を有するステープル留めデバイス - Google Patents
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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
- A61B17/11—Surgical instruments, devices or methods, e.g. tourniquets for performing anastomosis; Buttons for anastomosis
- A61B17/115—Staplers for performing anastomosis in a single operation
- A61B17/1155—Circular staplers comprising a plurality of staples
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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
- 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
- A61B2017/00477—Coupling
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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
- A61B2017/07228—Arrangement of the staples
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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
- 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
- A61B2017/07285—Stapler heads characterised by its cutter
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Description
本開示は、円形ステープル留めデバイスを対象とし、より具体的には、ナイフ担体プッシャに解放可能に連結されたナイフ担体を含む円形ステープル留めデバイスを対象とする。
従来の円形ステープル留めデバイスは、細長い本体と、細長い本体の遠位端上に支持された外殻または再装填アセンブリとを含む。再装填アセンブリは、複数のステープルを支持するステープルカートリッジと、ステープルカートリッジからステープルを押し出すようにステープルカートリッジに対して移動可能なプッシャと、ナイフと、ナイフを支持し、かつステープルカートリッジを通じてコア組織に移動可能なナイフ担体とを含む。外科用ステープル留めデバイスは、細長い本体内に支持されるプッシャ駆動部材及びナイフ担体プッシャも含む。プッシャ駆動部材は、ステープルプッシャと係合され、ステープルプッシャを移動させてステープルカートリッジからステープルを押し出すように移動可能である。同様に、ナイフ担体プッシャは、ナイフ担体と係合され、ナイフ担体のコア組織への移動を達成するように移動可能である。いくつかの円形ステープル留めデバイスでは、ナイフ担体プッシャとナイフ担体は、外科用ステープル留めデバイスの細長い本体からの再装填アセンブリの分離を容易にするように分離可能である。
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、
長手方向軸を画定し、かつ近位部分及び遠位部分を有する細長い本体であって、プッシャ駆動部材及びナイフ担体プッシャを含む、前記細長い本体と、
筐体貫通孔を画定する内側筐体部分を含む筐体と、複数のステープルを支持するステープルカートリッジと、前記ステープルカートリッジから前記複数のステープルを押し出すように後退位置と前進位置との間で前記筐体内に移動可能に支持されたプッシャアセンブリと、ナイフを支持するナイフ担体であって、第1の係合構造を含む、前記ナイフ担体と、を含む再装填アセンブリであって、
前記ナイフ担体プッシャが、前記ナイフ担体の前記第1の係合構造と解放可能に係合して、前記ナイフ担体プッシャを前記ナイフ担体に連結するように構成された第2の係合構造を含み、前記第1の係合構造が、前記第2の係合構造と係合された第1の位置から、前記第2の係合構造から係脱された第2の位置に移動可能である、再装填アセンブリと、
前記筐体上に支持された再装填部材であって、前記第1の位置から前記第2の位置への前記第1の係合構造の移動を阻止するように構成された第1の部分と、前記第1の位置から前記第2の位置への前記第1の係合部材の移動に適応するように構成された第2の部分と、を有する、前記再装填部材と、を備える、外科用ステープル留めデバイス。
(項目2)
前記再装填部材が、前記内側筐体部分に固着されたインサートを含む、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)
前記インサートが、貫通孔を画定し、前記筐体貫通孔内に受容されるように構成された遠位部分と、前記再装填部材の前記第1の部分及び前記第2の部分を画定する近位部分と、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4)
前記再装填部材の前記第1の部分が円筒形であり、前記再装填部材の前記第2の部分が、近位方向に前記第1の部分から前記再装填部材の長手方向軸に向かって先細になる、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5)
前記ナイフ担体が、前記プッシャアセンブリによって画定された貫通孔内に移動可能に位置付けられる、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)
前記ナイフ担体が、複数の可撓性脚部によって画定された近位部分を含む、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7)
前記第1の係合構造が、前記複数の可撓性脚部の前記近位部分上に形成される、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8)
前記第1の係合構造が環状チャネルを含む、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)
前記複数の可撓性脚部の各々の前記近位部分が、前記近位方向に前記ナイフ担体の長手方向軸に向かって先細にされる、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10)
前記第2の係合構造が、前記第1の係合構造の前記環状チャネル内に受容されるように構成された環状壁を含む、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11)
前記環状壁が、前記ナイフ担体の前記長手方向軸との背面角Ωを画定する先細近位面を含み、前記環状壁の前記先細近位面が、前記第1の係合構造を前記第1の位置から前記第2の位置に向かって付勢す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12)
前記背面角Ωが15度〜75度である、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)
前記背面角Ωが30度〜60度である、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14)
前記第1の係合構造の前記環状チャネルが、遠位壁及び近位壁によって画定され、前記近位壁が、前記ナイフ担体の前記長手方向軸に対して直角である、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)
ハンドルアセンブリが電動ハンドルアセンブリである、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)
前記再装填アセンブリが、前記細長い本体に解放可能に連結される、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17)
前記再装填部材が、前記筐体の前記内側筐体部分と一体的に形成される、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18)
前記プッシャアセンブリが、環状プッシャ及びステープル押動部材を含む、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19)
前記環状プッシャが、前記ステープル押動部材の近位端に隣接するように位置付けられる、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20)
ハンドルアセンブリをさらに含み、前記細長い本体が前記ハンドルアセンブリから遠位に延在する、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。
(摘要)
円形外科用ステープル留めデバイスは、本ステープル留めデバイスの細長いシャフトの遠位端上に支持された再装填アセンブリを含む。再装填アセンブリは、筐体、筐体内に移動可能に支持されたプッシャアセンブリ、プッシャアセンブリ内に移動可能に支持されたナイフ担体、及びナイフ担体上に支持された環状ナイフを含む。細長い本体は、プッシャ駆動部材及びナイフ担体プッシャを含む。ナイフ担体は、ナイフ担体プッシャ上に形成された第2の係合構造と解放可能に係合して、ナイフ担体プッシャをナイフ担体に解放可能に連結するように構成された第1の係合構造を含む。再装填インサートまたは部材は、再装填アセンブリの筐体上に支持されるか、またはそれと一体的に形成される。再装填部材は、第1の係合構造と第2の係合構造の分離を阻止するように構成された第1の部分、及び第1の係合構造と第2の係合構造の分離に適応するように構成された第2の部分を含む。再装填部材は、ナイフ担体がナイフ担体プッシャから時期尚早に係脱する可能性を最小限に抑えると同時に、ナイフが完全に筐体内に後退した後に分離を達成するのに必要な力を最小限に抑える。
Claims (20)
- 外科用ステープル留めデバイスであって、
長手方向軸を画定し、かつ近位部分及び遠位部分を有する細長い本体であって、プッシャ駆動部材及びナイフ担体プッシャを含む、前記細長い本体と、
筐体貫通孔を画定する内側筐体部分を含む筐体と、複数のステープルを支持するステープルカートリッジと、前記ステープルカートリッジから前記複数のステープルを押し出すように後退位置と前進位置との間で前記筐体内に移動可能に支持されたプッシャアセンブリと、ナイフを支持するナイフ担体であって、第1の係合構造を含む、前記ナイフ担体と、を含む再装填アセンブリであって、
前記ナイフ担体プッシャが、前記ナイフ担体の前記第1の係合構造と解放可能に係合して、前記ナイフ担体プッシャを前記ナイフ担体に連結するように構成された第2の係合構造を含み、前記第1の係合構造が、前記第2の係合構造と係合された第1の位置から、前記第2の係合構造から係脱された第2の位置に移動可能である、再装填アセンブリと、
前記筐体上に支持された再装填部材であって、前記第1の位置から前記第2の位置への前記第1の係合構造の移動を阻止するように構成された第1の部分と、前記第1の位置から前記第2の位置への前記第1の係合部材の移動に適応するように構成された第2の部分と、を有する、前記再装填部材と、を備える、外科用ステープル留めデバイス。 - 前記再装填部材が、前記内側筐体部分に固着されたインサートを含む、請求項1に記載の外科用ステープル留めデバイス。
- 前記インサートが、貫通孔を画定し、前記筐体貫通孔内に受容されるように構成された遠位部分と、前記再装填部材の前記第1の部分及び前記第2の部分を画定する近位部分と、を含む、請求項2に記載の外科用ステープル留めデバイス。
- 前記再装填部材の前記第1の部分が円筒形であり、前記再装填部材の前記第2の部分が、近位方向に前記第1の部分から前記再装填部材の長手方向軸に向かって先細になる、請求項3に記載の外科用ステープル留めデバイス。
- 前記ナイフ担体が、前記プッシャアセンブリによって画定された貫通孔内に移動可能に位置付けられる、請求項1に記載の外科用ステープル留めデバイス。
- 前記ナイフ担体が、複数の可撓性脚部によって画定された近位部分を含む、請求項1に記載の外科用ステープル留めデバイス。
- 前記第1の係合構造が、前記複数の可撓性脚部の前記近位部分上に形成される、請求項6に記載の外科用ステープル留めデバイス。
- 前記第1の係合構造が環状チャネルを含む、請求項7に記載の外科用ステープル留めデバイス。
- 前記複数の可撓性脚部の各々の前記近位部分が、前記近位方向に前記ナイフ担体の長手方向軸に向かって先細にされる、請求項8に記載の外科用ステープル留めデバイス。
- 前記第2の係合構造が、前記第1の係合構造の前記環状チャネル内に受容されるように構成された環状壁を含む、請求項8に記載の外科用ステープル留めデバイス。
- 前記環状壁が、前記ナイフ担体の前記長手方向軸との背面角Ωを画定する先細近位面を含み、前記環状壁の前記先細近位面が、前記第1の係合構造を前記第1の位置から前記第2の位置に向かって付勢するように構成される、請求項10に記載の外科用ステープル留めデバイス。
- 前記背面角Ωが15度〜75度である、請求項11に記載の外科用ステープル留めデバイス。
- 前記背面角Ωが30度〜60度である、請求項12に記載の外科用ステープル留めデバイス。
- 前記第1の係合構造の前記環状チャネルが、遠位壁及び近位壁によって画定され、前記近位壁が、前記ナイフ担体の前記長手方向軸に対して直角である、請求項12に記載の外科用ステープル留めデバイス。
- ハンドルアセンブリが電動ハンドルアセンブリである、請求項1に記載の外科用ステープル留めデバイス。
- 前記再装填アセンブリが、前記細長い本体に解放可能に連結される、請求項1に記載の外科用ステープル留めデバイス。
- 前記再装填部材が、前記筐体の前記内側筐体部分と一体的に形成される、請求項1に記載の外科用ステープル留めデバイス。
- 前記プッシャアセンブリが、環状プッシャ及びステープル押動部材を含む、請求項1に記載の外科用ステープル留めデバイス。
- 前記環状プッシャが、前記ステープル押動部材の近位端に隣接するように位置付けられる、請求項18に記載の外科用ステープル留めデバイス。
- ハンドルアセンブリをさらに含み、前記細長い本体が前記ハンドルアセンブリから遠位に延在する、請求項1に記載の外科用ステープル留めデバイス。
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US15/343,995 US10426470B2 (en) | 2016-11-04 | 2016-11-04 | Stapling device with releasable knife carrier |
US15/343,995 | 2016-11-04 |
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US10111684B2 (en) * | 2015-09-25 | 2018-10-30 | Covidien Lp | Adapter assembly including a removable trocar assembly |
US11065005B2 (en) | 2018-11-07 | 2021-07-20 | Covidien Lp | Reload assembly for a circular stapling device |
US11896233B2 (en) * | 2019-05-31 | 2024-02-13 | Covidien Lp | Circular stapling device |
US11464510B2 (en) * | 2019-07-26 | 2022-10-11 | Covidien Lp | Reload assembly with knife carrier lockout |
US11253255B2 (en) * | 2019-07-26 | 2022-02-22 | Covidien Lp | Knife lockout wedge |
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-
2016
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JP2018069077A (ja) | 2018-05-10 |
US20180125486A1 (en) | 2018-05-10 |
EP3318200B1 (en) | 2020-01-01 |
EP3318200A1 (en) | 2018-05-09 |
CA2984670A1 (en) | 2018-05-04 |
ES2773787T3 (es) | 2020-07-14 |
US10426470B2 (en) | 2019-10-01 |
AU2017254935A1 (en) | 2018-05-24 |
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