JP2018086292A5 - - Google Patents

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JP2018086292A5
JP2018086292A5 JP2018016961A JP2018016961A JP2018086292A5 JP 2018086292 A5 JP2018086292 A5 JP 2018086292A5 JP 2018016961 A JP2018016961 A JP 2018016961A JP 2018016961 A JP2018016961 A JP 2018016961A JP 2018086292 A5 JP2018086292 A5 JP 2018086292A5
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  1. 脈管をシーリングするための外科システムであって、
    電気外科用電力を供給することができる電気外科用発電器と、
    前記電気外科用発電器に電気的に接続された外科用器具であって、前記電気外科用発電器から、前記外科用器具の遠位端に電気外科用電力を運ぶようになっていて、前記外科用器具の遠位端に一対のエンドエフェクタを有する、外科用器具と、
    前記一対のエンドエフェクタの間に配置された前記脈管に無線周波数エネルギーを供給することを制御するための電力制御回路と、を具備し、
    前記電力制御回路は、さらに3秒以下の所定の時間にわたって定電力により無線周波数エネルギーを供給するように構成されており、前記所定の時間は、前記定電力の供給が始まってから、前記脈管のシーリングを通じて計測され、出力電流は2.0アンペアRMS以下に維持され、出力電圧は100ボルトRMS以下に維持され、前記定電力はさらに、1平方ミリメートル当たり0.1アンペア以下の電流密度で前記脈管に供給され、さらに、前記定電力が、前記脈管が前記所定の時間内に乾燥し始めてシーリングすることをもたらす、外科システム。
  2. 前記無線周波数エネルギーは1平方ミリメートル当たり0.12アンペア未満の電流密度で前記脈管に供給される、請求項1に記載の外科システム。
  3. 前記外科システムは、シーリングされる前記脈管のインピーダンスを計算し、
    前記所定の時間内に、シーリングされる前記脈管の前記インピーダンスが、設定されたインピーダンス閾値に達したとき、前記定電力の流れを制限するよう構成される、請求項1に記載の外科システム。
  4. 前記外科システムは、前記所定の時間の間、シーリングされる前記脈管のインピーダンスを計算し、
    シーリングされる前記脈管の前記インピーダンスが、既定のレベルに達すると、前記定電力の流れを終了させるよう構成される、請求項1に記載の外科システム。
  5. 前記一対のエンドエフェクタのそれぞれが42平方ミリメートル未満の接触表面積を有している、請求項1に記載の外科システム。
  6. 前記接触表面積は、15〜22平方ミリメートルである、請求項5に記載の外科システム。
  7. 前記定電力は、0.2〜1.75アンペアRMSの出力電流を有する、請求項1に記載の外科システム。
  8. 前記定電力は、0.75〜1.00アンペアRMSの出力電流を有する、請求項1に記載の外科システム。
  9. 前記定電力は、35ワット以下の電力出力を有する、請求項1に記載の外科システム。
  10. 前記定電力は、70〜90ボルトRMSの出力電圧を有する、請求項1に記載の外科システム。
  11. 前記一対のエンドエフェクタは、172.5kPa(25lb/in2)〜862.5kPa(125lb/in2)の圧力を、シーリングされる前記脈管に印加するようになっている、請求項1に記載の外科システム。
  12. 前記外科システムは、1平方ミリメートル当たり約0.034アンペア以上の電流密度で、シーリングされる前記脈管に、前記無線周波数エネルギーを供給するよう構成される、請求項1に記載の外科システム。
  13. 前記外科システムは、1平方ミリメートル当たり約0.04アンペアの電流密度で、シーリングされる前記脈管に、前記無線周波数エネルギーを供給するよう構成される、請求項1に記載の外科システム。
  14. 前記外科システムは、35ワット以下の定電力で、前記無線周波数エネルギーを供給するよう構成される、請求項11に記載の外科システム。
  15. 前記一対のエンドエフェクタは、0.0ミリメートルより大きく、0.127ミリメートル(0.005インチ)以下のギャップでシーリングされる前記脈管を圧縮するか、又は、シーリングされる前記脈管に、448.5〜759kPa(65〜110lb/in)の圧力を印加するか、のうち少なくとも何れか一方が適用される、請求項1に記載の外科システム。
  16. 前記一対のエンドエフェクタは、0.0ミリメートルより大きく、0.127ミリメートル(0.005インチ)以下のギャップでシーリングされる前記脈管を圧縮し、シーリングされる前記脈管に、448.5〜759kPa(65〜110lb/in)の圧力を印加する、請求項1に記載の外科システム。
  17. 外科用器具に無線周波数エネルギーを供給するための電力制御システムであって、
    出力電圧及び出力電流を前記外科用器具の遠位端に供給する電力供給装置であって、前記外科用器具の遠位端は一対のエンドエフェクタを有する、電力供給装置と、
    シーリングされる脈管の部分のインピーダンスを示すパラメータを検出するための検知回路と、
    前記外科用器具に供給される電気外科用電力を自動的にシーケンシングするための電力力シーケンシング・モジュールであって、
    3秒以下の所定の時間に、前記一対のエンドエフェクタの間に配置された前記脈管の部分に定電力を供給するように構成され、前記所定の時間は、前記定電力の提供が開始されてから、前記脈管の部分の乾燥が始まり、前記脈管の一部が乾燥しシーリングすることを通して測定され、前記出力電流は2.0アンペアRMS未満に維持され、前記出力電圧は100ボルトRMS未満に維持され、前記出力電流は、1平方ミリメートル当たり0.1アンペア以下の電流密度で、シーリングされる前記脈管の部分に適用されるようになっている、電力シーケンシング・モジュールと
    を具備する、電力制御システム。
  18. 前記電力シーケンシング・モジュールは、シーリングされる前記脈管のインピーダンスが150オーム以上に達すると、シーリングされる前記脈管の部分への前記定電力の流れを終了させるようになっている、請求項17に記載の電力制御システム。
  19. 前記電力シーケンシング・モジュールはさらに、前記所定の時間の間、前記検知回路を通して、シーリングされる前記脈管の部分のインピーダンスを計算し、
    シーリングされる前記脈管の部分のインピーダンスが前記所定の時間内に設定されたインピーダンス閾値に達したとき、シーリングされる前記脈管の部分への前記定電力の流れを60〜80%だけ制限する、請求項17に記載の電力制御システム。
  20. 前記電力シーケンシング・モジュールはさらに、シーリングされる前記脈管の部分への前記定電力の流れを終了させる前に既定の長さの時間にわたって、シーリングされる前記脈管の部分への前記定電力を低減するようになっている、請求項17に記載の電力制御システム。
  21. 前記電力シーケンシング・モジュールはさらに、所定の時間にわたって、前記検知回路を通してシーリングされる前記脈管の部分のインピーダンスを計算するようになっており、シーリングされる前記脈管の部分のインピーダンスが既定のレベルに達したとき、シーリングされる前記脈管の部分への前記定電力の流れを終了する、請求項17に記載の電力制御システム。
  22. 前記電力シーケンシング・モジュールはさらに、前記定電力を35ワットに維持し、前記出力電圧を、最大70〜85ボルトに制限するようになっている、請求項17に記載の電力制御システム。
  23. 前記電力シーケンシング・モジュールは、1平方ミリメートル当たり約0.04アンペア以上の電流密度で、シーリングされる前記脈管に、定電力を供給するようになっている、請求項17に記載の電力制御システム。
  24. 前記電力シーケンシング・モジュールは、1平方ミリメートル当たり約0.034アンペアの電流密度で、シーリングされる前記脈管に、前記定電力を供給するようになっている、請求項17に記載の電力制御システム。
  25. 前記電力シーケンシング・モジュールは、35ワット以下の前記定電力を供給するようになっている、請求項17に記載の電力制御システム。
  26. 脈管をシーリングするための外科システムであって、
    電気外科用電力を供給することができる電気外科用発電器と、
    該電気外科用発電器に電気的に接続された外科用器具であって、前記電気外科用発電器から、前記外科用器具の遠位端に電気外科用電力を運ぶようになっていて、前記外科用器具の遠位端に、一対のエンドエフェクタを有する、外科用器具と、
    前記一対のエンドエフェクタの間に配置された前記脈管に、無線周波数エネルギーを供給することを制御するための電力制御回路と、を具備し、
    前記電力制御回路は、
    出力電流及び出力電圧を有する定電力を有する無線周波数エネルギーを前記脈管に供給し、
    前記出力電流が2.0アンペアRMS以下に維持され、前記出力電圧が100ボルトRMS以下に維持されている間、所定の時間にわたって、前記脈管に定電力を適用するよう構成されていて、
    前記所定の時間は、前記定電力の適用が開始されてから前記脈管をシーリングしている間測定され、前記定電力は、前記脈管に1平方ミリメートル当たり0.1アンペア以下の電力密度を適用し、前記定電力は、前記所定の時間内に、前記脈管が乾燥し始まることをもたらし、前記所定の時間は3秒以下である、ように構成されている、
    外科システム。
  27. 前記一対のエンドエフェクタのそれぞれが42平方ミリメートル未満の接触表面積を有する、請求項26に記載の外科システム。
  28. 前記電力制御回路は、更に、
    シーリングされる前記脈管のインピーダンスを計算し、
    シーリングされる前記脈管のインピーダンスが、設定されたインピーダンス閾値に達したとき、前記定電力の流れを制限し、
    シーリングされる前記脈管のインピーダンスが、シーリングされる前記脈管が乾燥したことを示す既定のレベルに達したとき、前記定電力の流れを終了させるように構成される、請求項26に記載の外科システム。
  29. 前記電力制御回路は、さらに、前記出力電圧を、70〜85ボルトの最大電圧に制限するよう構成される、請求項26に記載の外科システム。
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