JP6077199B2 - 双極電極構成において電流密度を発生させる最適配置 - Google Patents
双極電極構成において電流密度を発生させる最適配置 Download PDFInfo
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
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Description
1.技術分野
本開示は、ユーザーが組織を選択的に密閉し、かつ/または切断することを可能にする電極アセンブリを含む、内視鏡と切開外科手順の両方に用いられる鉗子に関する。より詳細には、本開示は、断面積を減少させるために、組織をひねるか、またはピンチ留めする双極構成の電極間に固定された絶縁体を用いる鉗子に関する。
切開または内視鏡電気外科鉗子は、止血を引き起こすために、機械的な締め付け動作と電気エネルギーの両方を使用する。各対向するジョー部材の電極は、ジョー部材が組織を把持したとき、電気エネルギーが、組織を通して選択的に送信され得るように、異なる電位にチャージされる。外科医は、組織を通して電極間に適用される電気外科エネルギーの強度、周波数および継続時間を制御することにより、焼灼、凝固/乾燥および/または単に出血を減少させるか、または出血を遅くし得る。
(項目1) 端部エフェクターアセンブリであって、該端部エフェクターアセンブリは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を備え、該第二のジョー部材は、
組織接触表面の第二のペアと、
組織接触表面の該第二のペア間に配置された絶縁体のペアと、
絶縁体の該ペア間に配置された切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材の絶縁体と、該第二のジョー部材の絶縁体のペアに、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めするようにさせる、端部エフェクターアセンブリ。
(項目2) 上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアは、密閉段階の間にエネルギーを受容するように構成される、上記項目に記載の端部エフェクターアセンブリ。
(項目3) 上記切断要素は、切断段階の間に、第一の電位を有するエネルギーを受容するように構成され、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアは、第二の電位を有するエネルギーを受容するように構成される、上記項目のいずれかに記載の端部エフェクターアセンブリ。
(項目4) 上記第一の電位は、上記第二の電位と異なる、上記項目のいずれかに記載の端部エフェクターアセンブリ。
(項目5) 電気外科システムであって、該システムは、
電気外科ジェネレーターと、
端部エフェクターアセンブリを有する電気外科器具と
を備え、該端部エフェクターアセンブリは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を含み、該第二のジョー部材は、
組織接触表面の第二のペアと、
該組織接触表面の第二のペア間に配置された絶縁体のペアと、
該絶縁体のペア間に配置された切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材の該絶縁体と、該第二のジョー部材の絶縁体のペアに、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めさせる、電気外科システム。
(項目6) 上記電気外科ジェネレーターは、密閉段階の間、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアにエネルギーを適用するように構成される、上記項目のいずれかに記載の電気外科システム。
(項目7) 上記電気外科ジェネレーターは、切断段階の間、第一の電位を有するエネルギーを上記切断要素に適用するように構成され、第二の電位を有するエネルギーを上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアに適用するように構成される、上記項目のいずれかに記載の電気外科システム。
(項目8) 上記第一の電位は、上記第二の電位と異なる、上記項目のいずれかに記載の電気外科システム。
(項目1a) 端部エフェクターアセンブリであって、該端部エフェクターアセンブリは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を備え、該第二のジョー部材は、
組織接触表面の第二のペアと、
組織接触表面の該第二のペア間に配置された絶縁体のペアと、
絶縁体の該ペア間に配置された切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材の絶縁体と、該第二のジョー部材の絶縁体のペアに、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めするようにさせる、端部エフェクターアセンブリ。
(項目2a) エネルギーは、密閉段階の間、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアに適用される、上記項目に記載の端部エフェクターアセンブリ。
(項目3a) 切断段階の間、第一の電位を有するエネルギーは、上記切断要素に適用され、第二の電位を有するエネルギーは、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアに適用される、上記項目いずれかに記載の端部エフェクターアセンブリ。
(項目4a) 上記第一の電位は、上記第二の電位と異なる、上記項目いずれかに記載の端部エフェクターアセンブリ。
(項目5a) 電気外科器具であって、該器具は、
ハウジングと、
ハンドルアセンブリと、
端部エフェクターアセンブリと
を備え、該端部エフェクターアセンブリは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を含み、該第二のジョー部材は、
組織接触表面の第二のペアと、
該組織接触表面の第二のペア間に配置された絶縁体のペアと、
該絶縁体のペア間に配置された切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材の該絶縁体と、該第二のジョー部材の絶縁体のペアに、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めさせる、電気外科器具。
(項目6a) エネルギーは、密閉段階の間、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアに適用される、上記項目いずれかに記載の電気外科器具。
(項目7a) 切断段階の間、第一の電位を有するエネルギーは、上記切断要素に適用され、第二の電位を有するエネルギーは、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアに適用される、上記項目いずれかに記載の電気外科器具。
(項目8a) 上記第一の電位は、上記第二の電位と異なる、上記項目いずれかに記載の電気外科器具。
(項目9a) 組織を密閉するための電気外科器具であって、該電気外科器具は、
対向するシャフトのペアであって、各シャフトは、該シャフトの近位端部にハンドルを有する、対向するシャフトのペアと、
端部エフェクターアセンブリであって、該端部エフェクターアセンブリは、該対向するシャフトのペアの遠位端部に取り付けられた対向するジョー部材のペアを含み、該対向するジョー部材は、該対向するシャフトのペアを、互いに対して動かすことにより、第一の位置から第二の位置に移動する、端部エフェクターアセンブリと
を備え、該対向するジョー部材のペアは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を含み、該第二のジョー部材は
組織接触表面の第二のペアと、
該組織接触表面の第二のペア間に配置された絶縁体のペアと、
絶縁体の該ペアとの間に配置された切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材の該絶縁体と、該第二のジョー部材の絶縁体の該ペアに、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めさせる、電気外科器具。
(項目10a) エネルギーは、密閉段階の間、上記組織接触表面の第一のペアおよび上記組織接触表面の第二のペアに適用される、上記項目いずれかに記載の電気外科器具。
(項目11a) 切断段階の間、第一の電位を有するエネルギーは、上記切断要素に適用され、第二の電位を有するエネルギーは、組織接触表面の第一のペアおよび組織接触表面の第二のペアに適用される、上記項目いずれかに記載の電気外科器具。
(項目12a) 上記第一の電位は、上記第二の電位と異なる、上記項目いずれかに記載の電気外科器具。
電気外科器具と共に使用される端部エフェクターアセンブリが提供される。端部エフェクターアセンブリは、組織接触表面の第一のペアを有する第一のジョー部材およびその間に配置された絶縁体を有する。端部エフェクターアセンブリは、また、組織接触表面の第二のペア、組織接触表面の第二のペアの間に配置された絶縁体のペアおよび絶縁体のペアの間に配置された切断要素を含む第二のジョー部材を有する。第一のジョー部材の第二のジョー部材への相対的な動きは、第一のジョー部材の絶縁体および第二のジョー部材の第二のジョー部材の絶縁体のペアに、第一のジョー部材と第二のジョー部材との間に配置された組織をピンチ留めさせる。
本開示の特定の実施形態が、以下に、添付の図面に関して説明される。しかし、開示される実施形態は、開示の例に過ぎず、さまざまな形態で実施され得る。公知の機能または組立ては、不必要な詳細で、本開示を不明瞭にすることを避けるため、詳細には説明されていない。そのため、本明細書で開示される具体的な構造的詳細および機能的詳細は、限定的であると解釈されず、特許請求の範囲のための基礎であり、当業者に、事実上、任意の適切に詳細な構造で、本開示をさまざまに採用するよう教示するための代表的な基礎として解釈されるに過ぎない。図の説明を通して、同様の参照番号は、類似または同一の要素を指し得る。
20 ハウジング
30 ハンドルアセンブリ
70 スイッチアセンブリ
80 回転アセンブリ
105 電極アセンブリ
110、120 ジョー部材
Claims (4)
- 端部エフェクターアセンブリであって、
該端部エフェクターアセンブリは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を備え、
該第二のジョー部材は、
組織接触表面の第二のペアと、
該組織接触表面の第二のペアの間に配置された絶縁体のペアと、
該絶縁体のペアの間に配置された切断要素であって、該切断要素は、該絶縁体のペアの各絶縁体に直接的に隣接している、切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めすることを該第一のジョー部材の該絶縁体および該第二のジョー部材の該絶縁体のペアに行わせ、
切断段階の間に、該切断要素は、第一の電位を有するエネルギーを受容するように構成されており、かつ、該組織接触表面の第一のペアおよび該組織接触表面の第二のペアは、該第一の電位とは異なる第二の電位を有するエネルギーを受容するように構成されている、端部エフェクターアセンブリ。 - 前記組織接触表面の第一のペアおよび前記組織接触表面の第二のペアは、密閉段階の間にエネルギーを受容するように構成されている、請求項1に記載の端部エフェクターアセンブリ。
- 電気外科システムであって、
該電気外科システムは、
電気外科ジェネレーターと、
端部エフェクターアセンブリを有する電気外科器具と
を備え、
該端部エフェクターアセンブリは、
組織接触表面の第一のペアと、その間に配置された絶縁体とを有する第一のジョー部材と、
第二のジョー部材と
を含み、
該第二のジョー部材は、
組織接触表面の第二のペアと、
該組織接触表面の第二のペアの間に配置された絶縁体のペアと、
該絶縁体のペアの間に配置された切断要素であって、該切断要素は、該絶縁体のペアの各絶縁体に直接的に隣接している、切断要素と
を含み、
該第一のジョー部材の該第二のジョー部材に対する相対的な動きは、該第一のジョー部材と該第二のジョー部材との間に配置された組織をピンチ留めすることを該第一のジョー部材の該絶縁体および該第二のジョー部材の該絶縁体のペアに行わせ、
切断段階の間に、該切断要素は、第一の電位を有するエネルギーを受容するように構成されており、かつ、該組織接触表面の第一のペアおよび該組織接触表面の第二のペアは、該第一の電位とは異なる第二の電位を有するエネルギーを受容するように構成されている、電気外科システム。 - 前記組織接触表面の第一のペアおよび前記組織接触表面の第二のペアは、密閉段階の間に前記電気外科ジェネレーターによって生成されたエネルギーを受容するように構成されている、請求項3に記載の電気外科システム。
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| US12/832,772 | 2010-07-08 | ||
| US12/832,772 US8512336B2 (en) | 2010-07-08 | 2010-07-08 | Optimal geometries for creating current densities in a bipolar electrode configuration |
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| US (1) | US8512336B2 (ja) |
| EP (1) | EP2404565A1 (ja) |
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-
2010
- 2010-07-08 US US12/832,772 patent/US8512336B2/en not_active Expired - Fee Related
-
2011
- 2011-06-28 CA CA2744781A patent/CA2744781A1/en not_active Abandoned
- 2011-07-01 AU AU2011203235A patent/AU2011203235B2/en not_active Ceased
- 2011-07-07 JP JP2011151223A patent/JP6077199B2/ja not_active Expired - Fee Related
- 2011-07-07 EP EP11173008A patent/EP2404565A1/en not_active Withdrawn
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| EP2404565A1 (en) | 2012-01-11 |
| AU2011203235B2 (en) | 2014-02-20 |
| JP2012016591A (ja) | 2012-01-26 |
| US8512336B2 (en) | 2013-08-20 |
| US20120010614A1 (en) | 2012-01-12 |
| AU2011203235A1 (en) | 2012-02-02 |
| CA2744781A1 (en) | 2012-01-08 |
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