JP7381656B2 - 両極性電気外科的シーラおよびディバイダ - Google Patents
両極性電気外科的シーラおよびディバイダ Download PDFInfo
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- 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
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Description
本願は、2014年12月23日に出願された米国特許出願第62/096,255号の権益主張出願であり、この米国特許出願を参照により引用し、これらの記載内容全体が本明細書に記載されているものとする。
Claims (15)
- 電気外科的器械であって、
ハウジングを備えた下側ハンドルと、
上側ジョー支持体、上側組み立てスペーサ、及び上側導電性パッドを有する上側ジョーであって、前記上側ジョー支持体は、円形の開口部を有し前記下側ハンドルに結合されている、前記上側ジョーと、
内部に空所が設けられたハウジングを備える上側ハンドルと、
下側ジョー支持体、下側組み立てスペーサ、及び下側導電性パッドを有する下側ジョーであって、前記下側ジョー支持体は、非円形の開口部を有し前記上側ハンドルに結合され、前記上側ハンドル及び前記下側ハンドルは、前記上側ジョーと前記下側ジョーが開いている開き位置から前記上側ジョーと前記下側ジョーが閉じている閉じ位置となるように互いに配置された、前記下側ジョーと、
円形の端、非円形の端、及び開口部を有する中央ピボットであって、前記中央ピボットの前記円形の端は、前記上側ジョー支持体の前記円形の開口部に挿入されてこれに連結され、前記非円形の端は、前記下側ジョー支持体の前記非円形の開口部に挿入されてこれに連結され、前記円形の端は、前記上側ジョー支持体が前記中央ピボットを中心として回動することを許容するように構成され、前記非円形の端は、前記上側ジョー支持体に連結された前記上側ジョーが前記開き位置から前記閉じ位置まで及びこの逆に回動可能であるときに前記下側ジョー支持体が前記中央ピボットを中心として回動することに抵抗するように構成され、前記下側ジョーは、前記下側ジョー支持体及び前記中央ピボットの非円形の端と連結して静止している、前記中央ピボットと、を有し、
前記上側ハンドルは、
ブレードトリガと、
ブレードスライダと、
前記上側ハンドルのハウジングの前記空所内に配置され、前記ブレードトリガと前記ブレードスライダに結合されたブレードレバーアームであって、前記ブレードトリガが動くと、前記ブレードスライダを動かす前記ブレードレバーアームが動き、前記ブレードスライダは、前記中央ピボットの前記開口部と、前記上側ジョーと前記下側ジョーに沿って長手方向に延びる前記上側ジョーと前記下側ジョーのチャネルとを通って長手方向に並進でき、前記下側ジョー支持体は、更に前記ブレードスライダを受け入れてこれを支持するよう寸法決めされた案内チャネルを有し、前記案内チャネルは、前記ブレードスライダの長手方向並進を位置合わせするとともに支援する、前記ブレードレバーアームと、
前記下側ハンドルのハウジングとの接触によって起動してRFエネルギーの供給源に結合するよう配置されたスイッチと、を有し、
前記ブレードスライダは、前記電気外科的器械の長手方向軸線に平行であり、前記ブレードレバーアームは、前記長手方向軸線に対して傾いている、電気外科的器械。 - 更に、前記上側ハンドルのハウジングの空所内に配置され且つ前記ブレードトリガに結合されたブレードばねを有し、前記ブレードばねは、前記ブレードトリガを近位側に付勢し、近位側に動く前記ブレードトリガがブレードロックフックを動かして前記ブレードロックフックが前記ブレードトリガに係合する、請求項1に記載の電気外科的器械。
- 前記ブレードトリガは、回転可能であり、前記ブレードレバーアームと前記ブレードスライダは、長手方向に並進可能である、請求項1又は2に記載の電気外科的器械。
- 前記上側導電性パッド及び前記下側導電性パッドは、前記上側導電性パッドと前記下側導電性パッドとの間でRFエネルギーを伝送するよう作動的に配置されている、請求項1乃至3の何れか1項に記載の電気外科的器械。
- 更に、前記下側組み立てスペーサ内に位置し且つ前記下側導電性パッドに隣接して位置する導電性ポストを有する、請求項1乃至4の何れか1項に記載の電気外科的器械。
- 前記導電性ポストは、前記下側ジョーのチャネルに隣接して位置し且つチャネルを強化し、切断されるべき組織を支持し、チャネルに隣接して切断させる組織が溶融されるように構成されている、請求項5に記載の電気外科的器械。
- 電気外科的器械であって、
ハウジングを備えた下側ハンドルと、
上側ジョー支持体、上側組み立てスペーサ、及び上側導電性パッドを有する上側ジョーであって、前記上側ジョー支持体は、円形の開口部を有し前記下側ハンドルに結合されている、前記上側ジョーと、
内部に空所が設けられたハウジングを備える上側ハンドルと、
下側ジョー支持体、下側組み立てスペーサ、及び下側導電性パッドを有する下側ジョーであって、前記下側ジョー支持体は、非円形の開口部を有し前記上側ハンドルに結合され、前記上側ハンドル及び前記下側ハンドルは、前記上側ジョーと前記下側ジョーが開いている開き位置から前記上側ジョーと前記下側ジョーが閉じている閉じ位置となるように互いに配置された、前記下側ジョーと、
円形の端、非円形の端、及び開口部を有する中央ピボットであって、前記中央ピボットの前記円形の端は、前記上側ジョー支持体の前記円形の開口部に挿入されてこれに連結され、前記非円形の端は、前記下側ジョー支持体の前記非円形の開口部に挿入されてこれに連結され、前記円形の端は、前記上側ジョー支持体が前記中央ピボットを中心として回動することを許容するように構成され、前記非円形の端は、前記上側ジョー支持体に連結された前記上側ジョーが前記開き位置から前記閉じ位置まで及びこの逆に回動可能であるときに前記下側ジョー支持体が前記中央ピボットを中心として回動することに抵抗するように構成され、前記下側ジョーは、前記下側ジョー支持体及び前記中央ピボットの非円形の端と連結して静止している、前記中央ピボットと、を有し、
前記上側ハンドルは、
ブレードトリガと、
ブレードスライダと、
前記上側ハンドルのハウジングの前記空所内に配置され、前記ブレードトリガと前記ブレードスライダに結合されたブレードレバーアームであって、前記ブレードトリガが動くと、前記ブレードスライダを動かす前記ブレードレバーアームが動き、前記ブレードスライダは、前記中央ピボットの前記開口部と、前記上側ジョーと前記下側ジョーに沿って長手方向に延びる前記上側ジョーと前記下側ジョーのチャネルとを通って長手方向に並進でき、前記下側ジョー支持体は、更に前記ブレードスライダを受け入れてこれを支持するよう寸法決めされた案内チャネルを有し、前記案内チャネルは、前記ブレードスライダの長手方向並進を位置合わせするとともに支援する、前記ブレードレバーアームと、
前記下側ハンドルのハウジングとの接触によって起動してRFエネルギーの供給源に結合するよう配置されたスイッチと、を有し、
前記下側ハンドルは、前記上側ジョーと前記下側ハンドルのハウジングとの間に設けられたジョー支持継手を有する、電気外科的器械。 - 前記ジョー支持継手は、空所を有し、支持アームの遠位部分は、ジョー支持継手に結合され且つ前記ジョー支持継手の前記空所内に収納されている、請求項7に記載の電気外科的器械。
- 更に、前記支持アームの近位部分に結合され、前記上側ジョーと前記下側ジョーとに所定の力を加える支持ばねを有する、請求項8に記載の電気外科的器械。
- 前記ジョー支持継手は、前記上側ハンドルが前記下側ハンドルから離隔すると前記上側ジョー及び前記下側ハンドルのハウジングと整列し、前記下側ハンドルのハウジングは、前記上側ハンドルと前記下側ハンドルが溶融位置において互いに近接して位置すると前記ジョー支持継手に対して回動し、前記溶融位置は、前記上側ハンドルと前記下側ハンドルが前記閉じ位置にある場合よりも互いに近接し且つ前記スイッチが起動される位置である、請求項7乃至9の何れか1項に記載の電気外科的器械。
- 電気外科的器械であって、
ハウジングを備えた下側ハンドルと、
上側ジョー支持体、上側組み立てスペーサ、及び上側導電性パッドを有する上側ジョーであって、前記上側ジョー支持体は、円形の開口部を有し前記下側ハンドルに結合されている、前記上側ジョーと、
内部に空所が設けられたハウジングを備える上側ハンドルと、
下側ジョー支持体、下側組み立てスペーサ、及び下側導電性パッドを有する下側ジョーであって、前記下側ジョー支持体は、非円形の開口部を有し前記上側ハンドルに結合され、前記上側ハンドル及び前記下側ハンドルは、前記上側ジョーと前記下側ジョーが開いている開き位置から前記上側ジョーと前記下側ジョーが閉じている閉じ位置となるように互いに配置された、前記下側ジョーと、
円形の端、非円形の端、及び開口部を有する中央ピボットであって、前記中央ピボットの前記円形の端は、前記上側ジョー支持体の前記円形の開口部に挿入されてこれに連結され、前記非円形の端は、前記下側ジョー支持体の前記非円形の開口部に挿入されてこれに連結され、前記円形の端は、前記上側ジョー支持体が前記中央ピボットを中心として回動することを許容するように構成され、前記非円形の端は、前記上側ジョー支持体に連結された前記上側ジョーが前記開き位置から前記閉じ位置まで及びこの逆に回動可能であるときに前記下側ジョー支持体が前記中央ピボットを中心として回動することに抵抗するように構成され、前記下側ジョーは、前記下側ジョー支持体及び前記中央ピボットの非円形の端と連結して静止している、前記中央ピボットと、を有し、
前記上側ハンドルは、
ブレードトリガと、
ブレードスライダと、
前記上側ハンドルのハウジングの前記空所内に配置され、前記ブレードトリガと前記ブレードスライダに結合されたブレードレバーアームであって、前記ブレードトリガが動くと、前記ブレードスライダを動かす前記ブレードレバーアームが動き、前記ブレードスライダは、前記中央ピボットの前記開口部と、前記上側ジョーと前記下側ジョーに沿って長手方向に延びる前記上側ジョーと前記下側ジョーのチャネルとを通って長手方向に並進でき、前記下側ジョー支持体は、更に前記ブレードスライダを受け入れてこれを支持するよう寸法決めされた案内チャネルを有し、前記案内チャネルは、前記ブレードスライダの長手方向並進を位置合わせするとともに支援する、前記ブレードレバーアームと、
前記下側ハンドルのハウジングとの接触によって起動してRFエネルギーの供給源に結合するよう配置されたスイッチと、を有し、
前記下側ジョー支持体は、更に、前記下側ジョーから離れた前記下側ジョー支持体の近位端に設けられた近位ピンチャネルを有し、前記近位ピンチャネルは、前記ブレードスライダを前記ブレードレバーアームに連結するピンを受け入れて支持するように寸法決めされ、前記ピン及び前記近位ピンチャネルは、前記ブレードスライダの長手方向並進を位置合わせするとともに支援する、電気外科的器械。 - 前記下側組み立てスペーサは、前記下側ジョー支持体と前記下側導電性パッドとの間に配置され、前記下側ジョーは、オーバーモールドされている、請求項1、7又は11に記載の電気外科的器械。
- 前記上側組み立てスペーサは、前記上側ジョー支持体と前記上側導電性パッドとの間に配置され、前記上側ジョーは、オーバーモールドされている、請求項1、7又は11に記載の電気外科的器械。
- 前記上側ハンドルは、前記上側ハンドルの近位端に設けられた上側リングを有し、且つ、前記上側リング内に配置され前記上側リング内で動くことができる内側ループを有する、請求項1、7及び11乃至13の何れか1項に記載の電気外科的器械。
- 前記上側ハンドルは、前記内側ループと前記上側リングとの間に配置されたばねを有し、前記内側ループを、前記上側リングに対して付勢し、且つ前記電気外科的器械の長手方向軸線に対して横の方向に付勢する、請求項14に記載の電気外科的器械。
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US20230210583A1 (en) | 2023-07-06 |
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