JP4426760B2 - 血管の封着機および分割機 - Google Patents
血管の封着機および分割機 Download PDFInfo
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- JP4426760B2 JP4426760B2 JP2002578822A JP2002578822A JP4426760B2 JP 4426760 B2 JP4426760 B2 JP 4426760B2 JP 2002578822 A JP2002578822 A JP 2002578822A JP 2002578822 A JP2002578822 A JP 2002578822A JP 4426760 B2 JP4426760 B2 JP 4426760B2
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- Prior art keywords
- assembly
- handle
- tissue
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- jaw members
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B18/1445—Probes having pivoting end effectors, e.g. forceps at the distal end of a shaft, e.g. forceps or scissors at the end of a rigid rod
-
- 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
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/2841—Handles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
-
- 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
- A61B17/2909—Handles
- A61B2017/2912—Handles transmission of forces to actuating rod or piston
- A61B2017/2919—Handles transmission of forces to actuating rod or piston details of linkages or pivot points
-
- 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
- A61B2017/2927—Details of heads or jaws the angular position of the head being adjustable with respect to the shaft
-
- 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
- A61B2017/2936—Pins in guiding slots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/0063—Sealing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B2018/1405—Electrodes having a specific shape
- A61B2018/1412—Blade
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
- A61B2018/1452—Probes having pivoting end effectors, e.g. forceps including means for cutting
- A61B2018/1455—Probes having pivoting end effectors, e.g. forceps including means for cutting having a moving blade for cutting tissue grasped by the jaws
-
- 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
- A61B2090/033—Abutting means, stops, e.g. abutting on tissue or skin
- A61B2090/034—Abutting means, stops, e.g. abutting on tissue or skin abutting on parts of the device itself
Description
本開示は、内視鏡外科的処置を実行する電気外科用器具および方法に関し、さらに特定すると、本開示は、開放または内視鏡双極電気外科用鉗子ならびに組織を封着および/または切断する方法に関する。
止血剤または鉗子は、簡単なプライヤー様器具であり、これは、そのジョー間での機械的な作用を使用して血管を締め付け、通例、組織を握り、切り裂き、そして/またはクランプ留めするために、開放外科的処置で使用されている。電気外科用鉗子は、組織および血管を加熱して組織を凝固、焼灼および/または封着することにより止血を行うために、機械的クランプ留め作用および電気的エネルギーの両方を利用する。
本発明の開示は、組織をクランプ留めし、封着し、そして分割する電気外科用鉗子に関する。さらに特定すると、本開示は、電気外科用鉗子に関し、これは、対向ジョー部材間の組織に加えられる全体的なクランプ圧力の一貫性を生じ、対向ジョー部材間の間隙距離を調節し、起動中に対向ジョー部材が短絡する可能性を少なくし、この鉗子は、非導電性ストップ部材(これは、組織の起動および分割中またはその前にて、組織を操作し、つかみ、そして保持するのを助ける)、および独特の設計の電気ケーブル経路を提供し、これは、この器具の本体を通って、対向ジョー部材に至り、組織の操作、封着および分割中に起動が不規則になる可能性を少なくする。
さて、図1〜6を参照すると、種々の外科的手順と併用する双極鉗子10の1実施形態が示されており、これは、一般に、ハウジング20、ハンドルアセンブリ30、回転アセンブリ80、引き金アセンブリ70およびエンドエフェクタアセンブリ100を含み、これらは、相互に協働して、管状血管および血管組織420(図20)を握り、封着し、そして分割する。図面の過半数は、内視鏡外科的手順と関連して使用する双極鉗子10を描写しているものの、開放鉗子10’もまた、伝統的な開放外科的手順と関連して使用が企図されており、図1Aで一例として示されている。本明細書の目的のために、この内視鏡形式のものが詳述されているが、しかしながら、開放鉗子10’もまた、下記のように、同じまたは類似した動作部品および機構を含むことが企図される。
Claims (9)
- 組織の封着および分離の少なくとも一方を実施するための電気外科用器具(10)であって、該器具は、以下の部分:
ハウジングに装着されたシャフト(12)を有する、ハウジング(20);
第二ジョー部材(120)に対して移動可能な第一ジョー部材(110)であって、該第一ジョー部材は、該シャフトに装着され、そして第一位置から第二位置に相対的に移動可能であり、該第一位置において、該ジョー部材は、互いに間隔を開けた関係で配置され、該第二位置において、該ジョー部材は、それらの間で組織をつかむように協同する、第一ジョー部材;
該第一位置および該第二位置の間で該ジョー部材を移動させるための、ドライブロッドアセンブリ(21);および
該ドライブロッドアセンブリを作動するために該ハウジングに装着させたハンドルアセンブリ(30)であって、該ハンドルアセンブリは、4本棒機械リンク装置を備える、ハンドルアセンブリ;
を備え、
該4本棒機械リンク装置は、可動ハンドル(40)、固定ハンドル(50)、該2つのハンドルを接続するカム様リンク(36)およびリンク(65)から構成され、該構成は、該可動ハンドルの該固定ハンドルへの運動が、カム様リンクの回転を生じさせ、該カム様リンクの回転が、該ドライブロッドの並進運動を生じさせ、そして第二ジョー部材へ第一ジョー部材を移動させ、
該4本棒機械リンク装置の該ハンドルおよび該カム様リンクのカム様ピストンが、バネと協同して、該ジョー部材間でつかまれる組織に対して均一な閉鎖圧力を作り出す
電気外科用器具(10)。 - 前記第一ジョー部材および第二ジョー部材が、互いに対して旋回可能な様式で移動可能である、請求項1に記載の電気外科用器具。
- 前記ハンドルが、互いに対して前記ジョー部材を選択的にロックするように、前記ハウジング内でロック可能である、請求項2に記載の電気外科用器具。
- 前記電気外科用器具が、組織を分離するためのナイフアセンブリをさらに備え、該ナイフアセンブリ(200)が、前記4本棒機械リンク装置を移動すると、ロック配置からアンロック配置とへ変化可能である、請求項1に記載の電気外科用器具。
- 前記ハンドルが、フランジ(92)を備え、該フランジが、前記ハウジング内に配置された規定内部寸法を有するチャンネル(54)に往復運動され、該フランジが、前記ジョー部材を互いに選択的にロックし、そして前記ナイフアセンブリをアンロックするように、該チャンネルの該規定内部寸法と協同する寸法にされる、請求項4に記載の電気外科用器具。
- 前記ナイフアセンブリが、前記ジョー部材が前記第二位置に配置される場合、前記ハンドルアセンブリから独立して操作可能である、請求項4に記載の電気外科用器具。
- 少なくとも1本のジョー部材が、そこを通って少なくとも部分的に規定された長手軸チャンネルを備え、該長手軸チャンネルが、組織を分離する切断面に沿って、前記ナイフアセンブリの往復運動を可能にする、請求項4に記載の電気外科用器具。
- 前記ナイフアセンブリが、実質的に平らな前縁を備える、請求項7に記載の電気外科用器具。
- 組織の封着および分離の少なくとも一方を実行する電気外科用器具であって、該器具は、以下:
ハウジングに装着されたシャフトを有するハウジングであって、該シャフトは、長手軸を規定する、ハウジング;
互いに対して対向する関係で、該シャフトに旋回可能に装着された、第一ジョー部材および第二ジョー部材であって、該ジョー部材は、第一位置から第二位置に相対的に移動可能であり、該第一位置において、該ジョー部材は、互いに間隔を開けた関係で配置され、該第二位置において、該ジョー部材は、それらの間で組織をつかむように協同する、第一ジョー部材および第二ジョー部材;
該第一位置および第二位置の間で該ジョー部材を移動させるための、ドライブロッドアセンブリ;
該ハウジングに装着され、該長手軸の周りで、該ジョー部材を回転させるための、回転アセンブリ;
組織を分離するために、該ハウジングに装着されたナイフアセンブリ;ならびに
該ドライブロッドアセンブリを作動するために該ハウジングに装着されたハンドルアセンブリであって、該ハンドルアセンブリは、4本棒機械リンク装置を備える、ハンドルアセンブリ、
を備え、
該4本棒機械リンク装置は、可動ハンドル(40)、固定ハンドル(50)、該2つのハンドルを接続するカム様リンク(36)およびリンク(65)から構成され、該構成は、該可動ハンドルの該固定ハンドルへの運動が、カム様リンクの回転を生じさせ、該カム様リンクの回転が、該ドライブロッドの並進運動を生じさせ、そして第二ジョー部材へ第一ジョー部材を移動させ、
該4本棒機械リンク装置の該ハンドルおよび該カム様リンクのカム様ピストンが、バネと協同して、該ジョー部材間でつかまれる組織に対して均一な閉鎖圧力を作り出す、
電気外科用器具。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2001/011224 WO2002080783A1 (en) | 2001-04-06 | 2001-04-06 | Vessel sealer and divider |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009244982A Division JP2010057934A (ja) | 2009-10-23 | 2009-10-23 | 血管の封着機および分割機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004524122A JP2004524122A (ja) | 2004-08-12 |
JP4426760B2 true JP4426760B2 (ja) | 2010-03-03 |
Family
ID=21742475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002578822A Expired - Fee Related JP4426760B2 (ja) | 2001-04-06 | 2001-04-06 | 血管の封着機および分割機 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1372494B1 (ja) |
JP (1) | JP4426760B2 (ja) |
AU (1) | AU2001249910B2 (ja) |
CA (1) | CA2440309C (ja) |
DE (1) | DE60134787D1 (ja) |
ES (1) | ES2309063T3 (ja) |
WO (1) | WO2002080783A1 (ja) |
Families Citing this family (76)
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- 2001-04-06 ES ES01923195T patent/ES2309063T3/es not_active Expired - Lifetime
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ES2309063T3 (es) | 2008-12-16 |
DE60134787D1 (de) | 2008-08-21 |
JP2004524122A (ja) | 2004-08-12 |
AU2001249910B2 (en) | 2006-02-02 |
EP1372494A1 (en) | 2004-01-02 |
CA2440309A1 (en) | 2002-10-17 |
WO2002080783A1 (en) | 2002-10-17 |
EP1372494B1 (en) | 2008-07-09 |
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