JP4504621B2 - 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
- Publication number
- JP4504621B2 JP4504621B2 JP2002578834A JP2002578834A JP4504621B2 JP 4504621 B2 JP4504621 B2 JP 4504621B2 JP 2002578834 A JP2002578834 A JP 2002578834A JP 2002578834 A JP2002578834 A JP 2002578834A JP 4504621 B2 JP4504621 B2 JP 4504621B2
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- jaw members
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- jaw
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Classifications
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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
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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
- A61B2017/2948—Sealing means, e.g. for sealing the interior from fluid entry
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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
- A61B2018/00053—Mechanical features of the instrument of device
- A61B2018/00107—Coatings on the energy applicator
- A61B2018/0013—Coatings on the energy applicator non-sticking
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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
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
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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
- A61B2090/033—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
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
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、より詳細には、本開示は、開放または内視鏡双極電気外科用鉗子および組織を封着および/もしく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、および/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分割する双極電気外科鉗子に関する。より詳細には、本開示は、双極電気外科鉗子に関し、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、握り、そして保持するのを助ける)、そして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、封着および分割中で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、種々の外科的処置と併用する双極鉗子10の1実施態様が示されており、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、相互に協同して、管状血管および血管組織420を握り、封着し、そして分割する(図20)。図面の過半数は、内視鏡外科的処置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処置と関連して使用が考慮されており、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能を含むと考えられる。
Claims (10)
- 組織の封着および分割の少なくとも1つを実行する電気外科用器具であって、該器具は、以下:
ハウジングであって、該ハウジングにシャフトが装着され、該シャフトは、縦軸を規定する、ハウジング;
第一ジョー部材であって、該第一ジョー部材は、第二ジョー部材に対して移動可能であり、該シャフトに装着され、そして第一開放位置から第二閉鎖位置へと相対的に移動可能であり、該第一開放位置では、該ジョー部材は、互いに間隔を開けた関係で配置され、該第二閉鎖位置では、該ジョー部材は、その間で組織を握るように協同する、第一ジョー部材;
ドライブロッドアセンブリであって、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、ドライブロッドアセンブリ;
回転アセンブリであって、該ハウジングに装着され、該縦軸の周りで、該ジョー部材を回転させる、回転アセンブリ;
ナイフアセンブリであって、該ハウジングに装着され、該ジョー部材間で握られた組織を引き離す、ナイフアセンブリ;
ハンドルアセンブリであって、該ハンドルアセンブリは、該ハウジングに装着され、該ドライブロッドアセンブリを起動し、そして4本棒機械リンク装置を含み、該リンク装置は、ハンドルおよびカム様ピストンを含み、該ピストンは、該ジョー部材間で握られた組織に対して均一な閉鎖圧力を与えるように協同する、ハンドルアセンブリ;
第一導線および第二導線であって、該導線は、該ジョー部材を電気エネルギー源と接続し、該ジョー部材がその間に保持された組織を通ってエネルギーを伝導できるようにする、導線、
を備え、該第一導線および第二導線の少なくとも1本は、該回転アセンブリに配置されたスラックループを含み、それにより、該縦軸の周りでの該ジョー部材の回転を可能にする、器具。 - 前記第一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り、そして該ジョー部材が、前記縦軸の周りで実質的に360度回転可能である、請求項1に記載の電気外科用器具。
- 前記4本棒機械リンク装置の前記ハンドルおよび前記カム部材が、バネと協同して、前記ジョー部材間で握られる組織に対して均一な閉鎖圧力を作り出す、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1に記載の電気外科用器具。
- 前記ナイフアセンブリが、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、フランジを含み、該フランジが、前記ハウジング内に配置された、予め規定された内部寸法を有するチャンネルに往復運動され、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、該チャンネルの該予め規定された内部寸法と協同する寸法である、請求項5に記載の電気外科用器具。
- 少なくとも1つのジョー部材が、そこを通って少なくとも部分的に規定された縦チャンネルを含み、該縦チャンネルが、組織を引き離す理想切断面に沿って、前記ナイフアセンブリの往復運動を可能にする、請求項5に記載の電気外科用器具。
- 前記第一導線および第二導線が、前記シャフトの外周で規定された少なくとも1本のチャンネル内に配置されている、請求項1に記載の電気外科用器具。
- 前記回転アセンブリが、少なくとも1個の機械インターフェイスを含み、該機械インターフェイスが、前記ハウジングに配置された対応する機械インターフェイスと協同して、前記ジョー部材の過剰回転を防止する、請求項1に記載の電気外科用器具。
- 前記第一導線が、前記シャフトの前記外周で規定されたチャンネル内に配置され、該チャンネルが、前記第一ジョー部材への該第一導線の導入を容易にするように配向され寸法合わせされている、請求項1に記載の電気外科用器具。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2001/011340 WO2002080795A1 (en) | 2001-04-06 | 2001-04-06 | Vessel sealer and divider |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004524922A JP2004524922A (ja) | 2004-08-19 |
JP4504621B2 true JP4504621B2 (ja) | 2010-07-14 |
Family
ID=21742478
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002578834A Expired - Lifetime JP4504621B2 (ja) | 2001-04-06 | 2001-04-06 | 血管の封着機および分割機 |
JP2002578838A Expired - Lifetime JP4097528B2 (ja) | 2001-04-06 | 2002-01-22 | 血管の封着機および分割機 |
JP2007216529A Expired - Lifetime JP4762957B2 (ja) | 2001-04-06 | 2007-08-22 | 血管の封着機および分割機 |
JP2010249211A Expired - Lifetime JP5477969B2 (ja) | 2001-04-06 | 2010-11-05 | 血管の封着機および分割機 |
JP2012180190A Withdrawn JP2013006038A (ja) | 2001-04-06 | 2012-08-15 | 血管の封着機および分割機 |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2002578838A Expired - Lifetime JP4097528B2 (ja) | 2001-04-06 | 2002-01-22 | 血管の封着機および分割機 |
JP2007216529A Expired - Lifetime JP4762957B2 (ja) | 2001-04-06 | 2007-08-22 | 血管の封着機および分割機 |
JP2010249211A Expired - Lifetime JP5477969B2 (ja) | 2001-04-06 | 2010-11-05 | 血管の封着機および分割機 |
JP2012180190A Withdrawn JP2013006038A (ja) | 2001-04-06 | 2012-08-15 | 血管の封着機および分割機 |
Country Status (7)
Country | Link |
---|---|
EP (8) | EP2226029B1 (ja) |
JP (5) | JP4504621B2 (ja) |
AU (2) | AU2001256990B2 (ja) |
CA (3) | CA2442681C (ja) |
DE (3) | DE60142587D1 (ja) |
ES (4) | ES2348664T3 (ja) |
WO (2) | WO2002080795A1 (ja) |
Families Citing this family (242)
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2001
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- 2001-04-06 JP JP2002578834A patent/JP4504621B2/ja not_active Expired - Lifetime
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- 2002-01-22 EP EP02705907A patent/EP1372511B1/en not_active Expired - Lifetime
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