JP2022543958A - 円形ステープル留めデバイス - Google Patents
円形ステープル留めデバイス Download PDFInfo
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- 238000013459 approach Methods 0.000 claims description 3
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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
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
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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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/03—Automatic limiting or abutting means, e.g. for safety
- A61B2090/037—Automatic limiting or abutting means, e.g. for safety with a frangible part, e.g. by reduced diameter
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Abstract
Description
本開示は、ステープル留めデバイス、より具体的には、ステープル形成後まで組織の切断を遅らせる円形ステープル留めデバイスを対象とする。
従来の手動操作の円形ステープル留めデバイスは、細長本体、細長本体の遠位部分上に支持されているシェル組立体、およびシェル組立体に隣接する細長本体の遠位部分上に可動に支持されているアンビル組立体を含む。シェル組立体は、シェルハウジング、シェルハウジング上に支持されているステープルカートリッジ、プッシャー組立体、およびプッシャー組立体上に支持されているナイフを含む。ステープルカートリッジは、複数のステープルを支持する。プッシャー組立体は、複数のステープルをステープルカートリッジから組織を通して排出し、アンビル組立体に対してステープルを形成するように、ステープルカートリッジを通って移動可能である、ステープル押し部材を含む。ナイフは、ステープル押し部材に結合されかつステープル押し部材と共に移動可能であり、ステープル形成中にシェル組立体とアンビル組立体との間にクランプされた組織を切断する。
Claims (20)
- 円形ステープル留めデバイスであって、
発射トリガーを含むハンドル組立体と、
前記ハンドル組立体によって支持されている細長本体であって、近位部分および遠位部分を有する細長本体と、
前記細長本体の前記遠位部分上に支持されているシェル組立体であって、前記シェル組立体は、空洞を画定するシェルハウジング、前記シェルハウジング上に支持されているステープルカートリッジ、長手方向ボアを画定するプッシャー、前記長手方向ボア内で移動可能なナイフキャリア、および前記ナイフキャリア上に支持されているナイフを含み、前記ステープルカートリッジは、複数のステープルを支持し、前記プッシャーは、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排出するように、前記シェルハウジングの前記空洞内で後退位置から前進位置に移動可能である、シェル組立体と、
前記細長本体の前記遠位部分上に支持されており、開位置とクランプ位置との間で前記シェル組立体に対して移動可能である、アンビル組立体と、を備え、
前記ナイフキャリアは、前記プッシャーと係合し、前記プッシャーをその後退位置からその前進位置に移動させるように、後退位置と中間位置との間で移動可能であり、その後、前記プッシャーとは独立して前記ナイフを前進させ組織を切断するように、その中間位置から前進位置に移動可能である、円形ステープル留めデバイス。 - 作動ストロークによる前記発射トリガーの移動が、前記ナイフキャリアをその後退位置からその前進位置に移動させるように、前記発射トリガーが前記ナイフキャリアに結合されている、請求項1に記載の円形ステープル留めデバイス。
- 前記発射トリガーが、前記作動ストロークを通して手動で移動可能である、請求項2に記載の円形ステープル留めデバイス。
- 前記ナイフキャリアが、少なくとも1つのタブを含み、前記少なくとも1つのタブが、前記プッシャーとは独立して前記ナイフキャリアの遠位方向の前進を可能にするように、前記プッシャーと係合して前記ナイフキャリアの遠位方向の移動を前記プッシャーの遠位方向の移動に移す第1の位置から、第2の位置に移動可能である、請求項1に記載の円形ステープル留めデバイス。
- 前記少なくとも1つのタブの各々が、弾性アーム上に支持されている、請求項4に記載の円形ステープル留めデバイス。
- 前記少なくとも1つのタブの各々を支持する前記弾性アームが、片持ち梁方式で前記ナイフキャリアに支持されている、請求項5に記載の円形ステープル留めデバイス。
- 前記シェル組立体が、少なくとも1つの長手方向リブを含むハウジングを含み、前記プッシャーがその前進位置に向かって移動させられると、前記少なくとも1つの長手方向リブが、前記少なくとも1つのタブの各々を支持する前記弾性アームと係合して、前記少なくとも1つのタブの各々を前記第1の位置に保持するように位置決めされている、請求項5に記載の円形ステープル留めデバイス。
- 前記プッシャーおよび前記ナイフキャリアのうちの一方が、破壊可能リングを含み、前記プッシャーおよび前記ナイフキャリアのうちの他方が、前記破壊可能リングと係合するように位置決めされている環状突起を含む、請求項1に記載の円形ステープル留めデバイス。
- 前記破壊可能リングが、前記プッシャーがその前進位置に近づくと、破砕して、前記プッシャーとは独立した前記ナイフキャリアの移動を容易にするように適合されている、請求項8に記載の円形ステープル留めデバイス。
- シェル組立体であって、
空洞を画定するシェルハウジングと、
前記シェルハウジング上に支持されているステープルカートリッジであって、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、
長手方向ボアを画定するプッシャーと、
前記プッシャーの前記長手方向ボア内で移動可能なナイフキャリアと、
前記ナイフキャリア上に支持されているナイフと、を備え、
前記プッシャーは、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排出するように、前記シェルハウジングの前記空洞内で後退位置から前進位置に移動可能であり、前記ナイフキャリアは、前記プッシャーと係合し、前記プッシャーをその後退位置からその前進位置に移動させるように、後退位置と中間位置との間で移動可能であり、その後、前記プッシャーとは独立して前記ナイフを前進させて組織を切断するように、その中間位置からその前進位置に移動可能である、シェル組立体。 - 作動ストロークによる前記発射トリガーの移動が、前記ナイフキャリアをその後退位置からその前進位置に移動させるように、前記発射トリガーが前記ナイフキャリアに結合されている、請求項10に記載のシェル組立体。
- 前記ナイフキャリアが、少なくとも1つのタブを含み、前記少なくとも1つのタブが、前記プッシャーとは独立して前記ナイフキャリアの遠位方向の前進を可能にするように、前記プッシャーと係合して前記ナイフキャリアの遠位方向の移動を前記プッシャーの遠位方向の移動に移す第1の位置から、第2の位置に移動可能である、請求項10に記載のシェル組立体。
- 前記少なくとも1つのタブの各々が、弾性アーム上に支持されている、請求項12に記載のシェル組立体。
- 前記少なくとも1つのタブの各々を支持する前記弾性アームが、片持ち梁方式で前記ナイフキャリアに支持されている、請求項13に記載のシェル組立体。
- 前記シェル組立体が、少なくとも1つの長手方向リブを含むハウジングを含み、前記プッシャーがその前進位置に向かって移動させられると、前記少なくとも1つの長手方向リブが、前記少なくとも1つのタブの各々を支持する前記弾性アームと係合して、前記少なくとも1つのタブの各々を前記第1の位置に保持するように位置決めされている、請求項13に記載のシェル組立体。
- 前記プッシャーおよび前記ナイフキャリアのうちの一方が、破壊可能リングを含み、前記プッシャーおよび前記ナイフキャリアのうちの他方が、前記破壊可能リングと係合するように位置決めされている環状突起を含む、請求項10に記載のシェル組立体。
- 前記破壊可能リングが、前記プッシャーがその前進位置に近づくと、破砕して、前記プッシャーとは独立した前記ナイフキャリアの移動を容易にするように適合されている、請求項16に記載のシェル組立体。
- シェル組立体であって、
空洞を画定するシェルハウジングと、
前記シェルハウジング上に支持されているステープルカートリッジであって、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、
長手方向ボアを画定するプッシャーであって、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排出するように、前記シェルハウジングの前記空洞内で後退位置から前進位置に移動可能である、プッシャーと、
前記プッシャーの前記長手方向ボア内で移動可能なナイフキャリアと、
前記ナイフキャリア上に支持されているナイフと、を備え、
前記ナイフキャリアは、前記プッシャーに解放可能に結合されており、ステープル形成後に組織を切断するように前記プッシャーとは独立して移動可能である、シェル組立体。 - 前記ナイフキャリアが、少なくとも1つのタブを含み、前記少なくとも1つのタブが、前記プッシャーとは独立して前記ナイフキャリアの遠位方向の前進を可能にするように、前記プッシャーと係合して前記ナイフキャリアの遠位方向の移動を前記プッシャーの遠位方向の移動に移す第1の位置から、第2の位置に移動可能である、請求項18に記載のシェル組立体。
- 前記プッシャーおよび前記ナイフキャリアのうちの一方が、破壊可能リングを含み、前記プッシャーおよび前記ナイフキャリアのうちの他方が、前記破壊可能リングと係合するように位置決めされている環状突起を含む、請求項18に記載のシェル組立体。
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EP (1) | EP3975876A4 (ja) |
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CN (1) | CN214259400U (ja) |
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AU2019448247A1 (en) * | 2019-05-31 | 2021-12-16 | Covidien Lp | Circular stapling device |
EP4333722A1 (en) * | 2021-05-06 | 2024-03-13 | Covidien LP | Surgical stapling device with force reduction mechanism |
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2019
- 2019-05-31 AU AU2019448247A patent/AU2019448247A1/en not_active Abandoned
- 2019-05-31 CA CA3139541A patent/CA3139541A1/en active Pending
- 2019-05-31 US US17/611,396 patent/US11896233B2/en active Active
- 2019-05-31 WO PCT/CN2019/089545 patent/WO2020237631A1/en unknown
- 2019-05-31 JP JP2021569883A patent/JP2022543958A/ja not_active Ceased
- 2019-05-31 EP EP19931465.9A patent/EP3975876A4/en active Pending
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2020
- 2020-05-27 CN CN202020914464.4U patent/CN214259400U/zh active Active
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EP3975876A4 (en) | 2023-01-04 |
US20220211381A1 (en) | 2022-07-07 |
AU2019448247A1 (en) | 2021-12-16 |
WO2020237631A1 (en) | 2020-12-03 |
US11896233B2 (en) | 2024-02-13 |
EP3975876A1 (en) | 2022-04-06 |
CA3139541A1 (en) | 2020-12-03 |
CN214259400U (zh) | 2021-09-24 |
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