JP2019509805A - 関節鏡下デバイスおよび方法 - Google Patents
関節鏡下デバイスおよび方法 Download PDFInfo
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- JP2019509805A JP2019509805A JP2018547985A JP2018547985A JP2019509805A JP 2019509805 A JP2019509805 A JP 2019509805A JP 2018547985 A JP2018547985 A JP 2018547985A JP 2018547985 A JP2018547985 A JP 2018547985A JP 2019509805 A JP2019509805 A JP 2019509805A
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Abstract
Description
本願は、米国仮出願第62/307,229号(2016年3月11日出願、代理人事件番号41879−716.101)、米国仮出願第62/308,705号(2016年3月15日出願、代理人事件番号41879−717.101)、および米国仮出願第62/308,743号(2016年3月15日出願、代理人事件番号41879−718.101)に対する優先権を主張し、上記出願の全内容は、それらの全体において本明細書に引用される。
本発明は、関節鏡下組織切断および除去デバイスに関し、それによって、解剖学的組織が、関節または他の部位から切断および除去され得る。より具体的には、本発明は、電気外科手術用デバイスを用いて軟組織を切断および除去するために構成される器具に関する。
使い捨て電気外科手術用切断器アセンブリに結合されるハンドピースおよび/またはモータ駆動部を含む種々の外科手術用システムが、開示されている(米国特許第3,945,375号(特許文献1)、第4,815,462号、第5,810,809号、第5,957,884号、第6,007,553号、第6,629,986号、第6,827,725号、第7,112,200号、および第9,504,521号等)。商標名DYONICS Bonecutter Electroblade Resector(http://www.smith−nephew.com/professional/products/all−products/dyonics−bonecutter−electroblade参照)下で販売されている、1つの市販のRF削り器は、モータ電力または電気信号のいずれも伝達しない独立または別個のRF電気ケーブルを利用し、従来技術削り器ハブの露出した部分または外部表面に直接結合する。電気ケーブルが、再使用可能ハンドルと並列に遠位にルーティングされなければならない。そのような従来技術デバイスでは、RFの結合は、再使用可能ハンドルを通って延びていない。電気外科手術用切断器内の外側スリーブに対する内側スリーブの回転速度を監視するためのホール効果センサの使用が、第US2016/0346036号(特許文献2)および第US2017/0027599号に説明されており、両方とも、本願と共通発明者を有する。他の本発明の譲受人に譲渡された公開済み米国特許出願は、上記にリストアップされており、第US20130253498号、第US20160113706号、第US20160346036号、第US20160157916号、および第US20160081737号を含む。
Claims (29)
- 導電性流体の存在下での使用のための使い捨て双極RFプローブであって、前記使い捨て双極RFプローブは、
内側導電性スリーブおよび外側導電性スリーブを含むシャフトと、
中心通路を有するハブと
を備え、
前記内側および外側導電性スリーブの対向極性領域が、前記中心通路において露出されており、前記対向極性領域は、間隔をそれらの間に有し、前記間隔は、使用中、伝導性流体の存在下、前記伝導性流体の侵入を阻止し、前記対向極性領域間の電流流動を制限する、使い捨て双極RFプローブ。 - 前記内側および外側導電性スリーブは、RF電流流動を前記プローブの作業端におけるそれぞれの第1および第2の対向極性電極に結合するように構成されている、請求項1に記載の使い捨て双極RFプローブ。
- 前記伝導性流体の侵入は、前記作業端へのRF電流流動が妨害されないように十分に制限されている、請求項2に記載の使い捨て双極RFプローブ。
- 前記内側導電性スリーブの少なくとも一部が、前記外側導電性スリーブのボア内に回転可能に配置されている、請求項1に記載の使い捨て双極RFプローブ。
- 前記対向極性領域は、使用中の前記対向極性領域間のRF電流流動を妨害するように選択された距離だけ縦方向に間隔を置かれている、請求項1に記載の使い捨て双極RFプローブ。
- 前記選択された距離は、少なくとも0.5インチ、少なくとも0.6インチ、少なくとも0.8インチ、または少なくとも1インチである、請求項5に記載の使い捨て双極RFプローブ。
- 前記内側および外側スリーブは、0.010インチ未満、0.004インチ未満、または0.002インチ未満の環状空間によって分離され、前記対向極性領域間の流体侵入を最小化し、電気抵抗を最大化する、請求項1に記載の使い捨て双極RFプローブ。
- 前記近位ハブは、RF電流を前記ハブを通して前記第1および第2の伝導性スリーブに結合するための第1および第2の電気接点を有するハンドルに取り外し可能に結合するために適合されている、請求項1に記載の使い捨て双極RFプローブ。
- システムであって、前記システムは、
請求項1に記載の使い捨て双極RFプローブと、
ハンドルと
を備え、
前記ハンドルは、前記使い捨て双極RFプローブが前記ハブに結合されているときに前記第2の伝導性スリーブを回転させるためのモータ駆動ユニットを含む、システム。 - 外科手術用システムであって、前記外科手術用システムは、
モータ駆動ユニットを有するハンドルと、
前記ハンドルに取り外し可能に結合している近位ハブを有する使い捨てRFプローブであって、前記RFプローブは、RFエフェクタと前記モータ駆動ユニットによって駆動される構成要素とを有する、RFプローブと、
前記モータ駆動ユニットに結合され、モータ動作パラメータを表す信号を提供する少なくとも1つのホールセンサと、
アンビリカル導管によって、前記モータおよび前記RFプローブに動作可能に結合されているコントローラであって、前記アンビリカル導管は、(i)電力を前記モータに送達するための電気ケーブルと、(ii)RF電力を前記RFエフェクタに送達するためのRFケーブルと、(iii)信号をホール信号から前記コントローラに送達するための信号ケーブルを含む少なくとも1つの信号回路とを含む、コントローラと、
前記少なくとも1つの信号回路における雑音誘導を低減させるために前記少なくとも1つの信号回路に動作可能に結合されている少なくとも1つのSchmittトリガと
を備えている、外科手術用システム。 - 前記モータ駆動ユニットによって支持されている複数のホールセンサであって、各ホールセンサは、前記アンビリカル導管内の信号ケーブルによって前記コントローラに接続されている信号回路を備えている、ホールセンサと、
各信号回路のハンドル端における第1のSchmittトリガおよび各信号回路のコントローラ端における第2のSchmittトリガと
を備えている、請求項10に記載の外科手術用システム。 - 前記モータ駆動ユニットによって支持されている3つのホールセンサであって、前記3つのホールセンサの各々は、前記アンビリカル導管内の信号ケーブルによって前記コントローラに接続されている信号回路を備えている、3つのホールセンサと、
前記3つの信号回路の各々のハンドル端におけるSchmittトリガおよび前記3つの信号回路の各々のコントローラ端におけるSchmittトリガと
を備えている、請求項11に記載の外科手術用システム。 - 外科手術用システムであって、前記外科手術用システムは、
モータ駆動ユニットを有するハンドルであって、前記モータ駆動ユニットは、その中にホールセンサを含む、ハンドルと、
前記ハンドルに取り外し可能に結合している近位ハブを有する使い捨てRFプローブであって、前記RFプローブは、RFエフェクタと前記モータ駆動ユニットによって駆動される構成要素とを有する、RFプローブと、
前記ハンドルから制御コンソールまで延びている単一アンビリカル導管と
を備え、
前記単一アンビリカル導管は、(i)電力を前記モータに送達するための電気ケーブルと、(ii)RF電力を前記RFエフェクタに送達するためのRFケーブルと、(iii)ホールセンサ信号を運ぶための複数の信号ケーブルとを含む、外科手術用システム。 - 第1のSchmittトリガをさらに備え、前記第1のSchmittトリガは、各信号ケーブルのハンドル端において各信号ケーブルに結合されている、請求項13に記載の外科手術用システム。
- 第2のSchmittトリガをさらに備え、前記第2のSchmittトリガは、各信号ケーブルのコンソール端において各信号ケーブルに結合されている、請求項14に記載の外科手術用システム。
- 関節鏡下治療システムを動作させる方法であって、前記方法は、
モータ駆動ユニットを有するハンドルに取り外し可能に結合されている使い捨てRF治療デバイスを提供することであって、前記ハンドルは、単一導管を通して制御コンソールに結合されている、ことと、
前記単一導管内の第1および第2のそれぞれの電気ケーブルを通して、電力を前記モータおよび前記RFデバイスに送達することと、
前記モータ駆動ユニットにおけるホールセンサを使用して、モータ動作パラメータ信号を前記単一導管内の電気ケーブルを含む信号回路における制御コンソールに送信することと、
前記信号回路における少なくとも1つのSchmittトリガを使用して、前記第1および第2の電気ケーブルの近接に起因する前記信号回路における雑音誘導を低減させることと
を含む、方法。 - 関節鏡下システムであって、前記関節鏡下システムは、
遠位双極要素および近位ハブを有するプローブであって、前記近位ハブは、第1の極性電気接点および第2の極性電気接点を有する、プローブと、
前記プローブの近位ハブを除去可能に受け取るように構成されている遠位円筒形通路を有するハンドルと
を備え、
前記ハブは、第1の極性電気接点および第2の極性電気接点を有し、前記ハブ上の前記第1の極性電気接点および前記第2の極性電気接点は、前記通路内の前記第1の極性電気接点および前記第2の極性電気接点に係合することになり、
前記ハンドルの前記遠位通路内の前記第1および第2の電気接点は、交流電流腐食に抵抗する伝導性材料を備えている、関節鏡下システム。 - 前記ハンドルの前記遠位通路内の前記第1および第2の電気接点は、チタン、金、銀、白金、炭素、モリブデン、タングステン、亜鉛、Inconel、黒鉛、ニッケルまたはそれらの組み合わせから成る群から選択される材料を備えているか、またはそれでめっきされている、請求項17に記載の関節鏡下システム。
- 前記ハンドルの前記遠位通路内の前記第1および第2の電気接点は、軸方向に間隔を置かれ、前記遠位通路の内側表面上に露出されている、請求項17に記載の関節鏡下システム。
- 前記第1および第2の電気接点は、前記円筒形通路の内側表面の周囲で円周方向に延びているリング状接点を備えている、請求項19に記載の関節鏡下システム。
- 前記リング状第1および第2の電気接点は、前記円筒形通路の内側表面の周囲で360°延びている、請求項20に記載の関節鏡下システム。
- 流体シールを前記ハブと前記円筒形通路との間にさらに備えている、請求項21に記載の関節鏡下システム。
- 前記流体シールは、前記円筒形通路の内側表面上に配置されている少なくとも1つのOリングを備えている、請求項22に記載の関節鏡下システム。
- 前記流体シールは、前記プローブの前記近位ハブ上に配置されている少なくとも1つのOリングをさらに備えている、請求項23に記載の関節鏡下システム。
- 前記Oリングのうちの少なくとも1つは、前記軸方向に間隔を置かれている電気接点間に配置されている、請求項24に記載の関節鏡下システム。
- 少なくとも1つのOリングは、前記電気接点の全ての近位に配置され、前記Oリングのうちの少なくとも1つは、前記電気接点の全ての遠位に配置されている、請求項24に記載の関節鏡下システム。
- 前記ハンドルは、非取り外し可能アンビリカル導管とともにモータ駆動ユニットを有し、前記アンビリカル導管は、複数の電気ケーブルを運び、少なくとも1つの電気ケーブルは、前記モータ駆動ユニットを駆動するために接続され、少なくとも1つのケーブルは、前記通路内の前記第1の極性電気接点に接続され、少なくとも1つのケーブルは、前記通路内の前記第2の極性電気接点に接続されている、請求項17に記載の関節鏡下システム。
- 前記アンビリカル導管は、信号伝達および制御機能のための1つ以上の電気ケーブルをさらに運ぶ、請求項27に記載の電気外科手術用デバイス。
- 前記プローブの前記近位ハブ上の前記第1の極性電気接点および前記第2の極性電気接点は、前記ハブの外側表面上のばね負荷要素を備えている、請求項17に記載の電気外科手術用デバイス。
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US12096969B2 (en) | 2024-09-24 |
US20170258512A1 (en) | 2017-09-14 |
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CN109561846B (zh) | 2022-01-28 |
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EP3426140A4 (en) | 2019-10-30 |
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WO2017156343A1 (en) | 2017-09-14 |
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