JP2013502998A - コードレスで手持ち式の超音波焼灼切断装置用2段階スイッチ - Google Patents
コードレスで手持ち式の超音波焼灼切断装置用2段階スイッチ Download PDFInfo
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Abstract
【選択図】図54
Description
ここに記載されているのは、本発明の一実施例による例示的な装置である。図3を参照すると、ブロック回路図は発明300を示し、これは、マイクロプロセッサ302と、クロック330と、メモリ326と、電源304(例えば、バッテリ)と、スイッチ306(例えば、MOSFET電力スイッチ)と、駆動回路308(PLL)と、変圧器310と、信号平滑回路312(整合回路とも言い、例えば、タンク回路にもなりうる)と、検出回路314と、トランスデューサ316と、導波管とを具え、この導波管は、超音波切断ブレード318で終端し、本書では、単に導波管318として言及される。本発明はまた、導波管318をカバーおよび支持するカニューレ320を含む。本書に用いられるように「導波管動作生成アセンブリ」は、少なくともトランスデューサ316を含むサブアセンブリであるが、駆動回路308(PLL)、変圧器310、信号平滑回路312および/または検出回路314といった他の構成要素も含むことができる。
図7は、トランスデューサ316のようなモデルトランスデューサ700の概略回路図であり、圧電材料を含む。圧電トランスデューサは、従来技術においてよく知られている。圧電材料の質量と剛性は、トランスデューサ内で機械的共振構造を作成する。圧電効果のため、これらの機械的な特性は、電気的に同等な性質として明示される。言い換えると、電気端部で見られる電気共振周波数は、機械共振周波数と等しい。図7に示されているように、トランスデューサ316の力学的質量,剛性,および減衰は、誘導/コイルL、コンデンサC2、および抵抗Rの直列配置によって表され、すべては、別のコンデンサC1と並列である。電気的に等価なトランスデューサモデル700は、結晶用の既知のモデルと極めてよく似ている。
図8は、トランスデューサ700の動電流iMを得る方法を理解するのに有用な発明回路800の概略回路図である。この回路800は、トランスデューサ700の回路要素のすべてを有し、図7のトランスデューサ700と並列してさらに架橋する容量素子CBを加える。しかしながら、CBの値は、C1/CBが所定の比率rと等しくなるよう選択されている。効率のため、CB用に選択された値は比較的低くあるべきである。これは、iMから流用された電流を制限する。可変電源VTは、回路800の接触子802と804にわたり提供され、容量素子CBを通る電流iBと、トランスデューサ700へと流れる電流iTと、コンデンサC1を通り流れる電流iCと、最終的に動電流iMとを生成する。これはその後iM=iT−r×iBを追随する。これは:
したがって、iC=r×iBおよび、等式iM=iT−iCにおいてiCを代用し、iM=iT−r×iBを導く。
図9は、本発明の別の実施例を示し、ここではトランスデューサ316は、抵抗素子R、誘導素子L、および容量素子C4の並列配置として概略で表されている。さらなる容量素子C3は、入力802と抵抗素子R、誘導素子L、および容量素子C4の並列配置間の直列配置にある。この並列配置モデルは、操作の「反共振」モードにおいて、トランスデューサの作用を設計し、これは実質的にわずかに異なる周波数で起こる。トランスデューサ電圧VTは、トランスデューサ316の入力端子802、804間にかけられる。このランスデューサ電圧VTは、抵抗素子R、誘導素子L、および容量素子C4の並列配置にわたり、容量素子C3および動電圧VMをわたる電圧VC間に分割される。導波管318を動かす働きをするのは、動電圧VMである。したがって、この例示的な実施例において、十分に調整されるべきものは動電圧である。
図10は、本発明の例示的な実施例による発明の回路構成1000の例示的な実施例を示す。この回路構成1000は、図9のトランスデューサ900を含み、それに3つのさらなる容量素子C5、C6、およびC7を加える。容量素子C5は図9のトランスデューサ回路900と直列であり、容量素子C6とC7は互いに直列であり、容量素子C5とトランスデューサ回路900の直列する組合せと並列である。
図13乃至図30は、図3の図に示されている発明の装置全体を保持および/または含むのに好適な様々な「ガン」タイプの装置1300、1800、2300の実施例を示す。さらに具体的に、図14の断面図に示されているように、超音波手術装置1300は、防水シール可能なバッテリ保持区画1422と、このバッテリ保持区画1422と電気接触している駆動波生成回路1420と、ハンドルの外側からアクセス可能であり、トランスデューサ1302を(図13において点線で表された)超音波導波管1310に開放可能に物理的に連結するよう操作可能なトランスデューサ取付ドック1404とを有し、この導波管は、導波管取付ドック1406を通じてハンドル1408に連結され、この導波管取付ドックは、超音波導波管1310を受け、この導波管をトランスデューサ1302に物理的に連結するよう配置される。
図18と図19は、本発明の別の例示的な実施例を示しており、ここではガン形状の外側本体1800は、図13と図14の外側本体1300とは異なる形状を有する。この外側本体1800は、より大きな上部部分1802を有して形成されている。この場合において、発電機、バッテリ、およびトランスデューサは、(本書では「超音波動作生成装置」として言及される)アセンブリとして、あるいは別個の構成要素として、外側本体1800の上部部分1802内に、防水の、シール可能な、コードレスの、超音波動作生成アセンブリ保持構成要素1904に挿入可能である。この構成要素1904の内側は、滅菌シール1801の助けにより、手術中、滅菌フィールドの外部のままである。この挿入は、図19の示されているように、開閉可能なドア1806と1906の使用を通じて実行される。閉じられるとき、ドア1806と1906は、ガン1800の外部環境から、ガン1800の内部をシールする。
別の例示されていない実施例において、カバー2304はなく、トランスデューサアセンブリ2516と発生器アセンブリ2512とは、個々にカバーされており、すなわち、シールおよび加熱滅菌されており、各カバーは露出しており、ユーザの指でアクセス可能である。メインカバー2304はないので、トランスデューサアセンブリ2516を導波管2508に取付けているオペレータは、トランスデューサアセンブリ2516へ直接的にアクセスでき、トランスデューサアセンブリ2516と導波管2508の双方を保持可能であり、連結中は一方を他方に関して回転できる。
Claims (43)
- 電源内蔵型手術装置において、
ハンドルであって、
内蔵型電源と、
前記手術装置の少なくとも2つの動作状態を実行するよう動作可能な制御回路とを有するハンドルと、
前記制御回路に電気的に接続された2段階スイッチであって、当該スイッチの第1の段階が前記少なくとも2つの動作状態の第1の動作状態を達成し、前記スイッチの第2の段階が前記第1の動作状態とは異なる前記少なくとも2つの動作状態の第2の動作状態を達成する2段階スイッチとを具え、前記2段階スイッチが可変抵抗を有することにより、
第1の押下力が前記スイッチに加えられたときに前記第1の段階が発生し、前記第1の押下力より強い第2の押下力が前記スイッチに加えられたときに前記第2の段階が発生し、前記第2の段階に前記スイッチを維持するために少なくとも前記第2の押下力より弱い保持力が要求されることを特徴とする装置。 - 請求項1に記載の装置において、前記制御回路が前記電源から送られた電力の量を制御するよう動作可能であることを特徴とする装置。
- 請求項2に記載の装置において、前記第1の動作状態が前記電源から送られた電力の第1の量であり、前記第2の動作状態が前記電源から送られた電力の第2の量であることを特徴とする装置。
- 請求項1に記載の装置において、前記2段階スイッチがさらに、前記制御回路を電気的に閉じて前記少なくとも2つの動作状態の第1と第2の動作状態に作用するよう動作可能な少なくとも1つの電気接点を具えることを特徴とする装置。
- 請求項1に記載の装置において、前記2段階スイッチがさらに、前記制御回路を電気的に切断して前記少なくとも2つの動作状態の第1と第2の動作状態に作用するよう動作可能な少なくとも1つの電気接点を具えることを特徴とする装置。
- 請求項1に記載の装置において、前記2段階スイッチが第1の位置と第2の位置とを変更することによって前記第1と第2の段階を切り替えるよう動作可能であり、これによって前記スイッチは、前記第1の押下力が加えられたときに第1の位置にあり、前記第2の押下力が加えられたときに第2の位置にあることを特徴とする装置。
- 請求項6に記載の装置において、前記2段階スイッチが前記第1の位置にあるときに前記第1の段階にあることを特徴とする装置。
- 請求項7に記載の装置において、前記2段階スイッチが前記第2の位置にあるときに前記第2の段階にあることを特徴とする装置。
- 請求項8に記載の装置において、前記第1と第2の位置が積み重ねられた構成で作動的に接続されることを特徴とする装置。
- 請求項1に記載の装置において、前記第1の押下力が前記スイッチを部分的に押し下げることを特徴とする装置。
- 請求項10に記載の装置において、前記第2の押下力が前記スイッチを完全に押し下げることを特徴とする装置。
- 請求項6に記載の装置がさらに、前記2段階スイッチに連結されたプランジャであって、当該プランジャに圧力が加えられたときに前記2段階スイッチの位置を変更するよう動作可能なプランジャを具えることを特徴とする装置。
- 請求項12に記載の装置において、前記プランジャがスプリングで付勢されることを特徴とする装置。
- 請求項12に記載の装置において、前記2段階スイッチの位置を変更するために前記プランジャに可変量の圧力が加えられることを特徴とする装置。
- 請求項12に記載の装置において、前記2段階スイッチを前記第1の段階に位置決めするのに必要な圧力の量は、前記2段階スイッチを前記第2の段階に位置決めするのに必要な圧力の量より少ないことを特徴とする装置。
- 請求項1に記載の装置において、前記2段階スイッチが少なくとも第1のサブスイッチと第2のサブスイッチとで構成され、前記第1のサブスイッチが前記第1の段階を達成し、前記第2のサブスイッチが前記第2の段階を達成することを特徴とする装置。
- 超音波の電源内蔵型手術装置において、
ハンドルであって、
内蔵型電源と、
前記手術装置の少なくとも2つの動作状態を実行するよう動作可能な制御回路とを有するハンドルと、
前記制御回路に電気的に接続された2段階スイッチであって、当該スイッチの第1の段階が前記少なくとも2つの動作状態の第1の動作状態を達成し、前記スイッチの第2の段階が前記少なくとも2つの動作状態の第2の動作状態を達成し、第1と第2の位置を変更することによって前記第1の段階と前記第2の段階とを切り替えられ、前記2段階スイッチが可変抵抗を有することにより、
第1の押下力が前記スイッチに加えられたときに前記スイッチが前記第1の段階にあり、
前記第1の押下力より強い第2の押下力が前記スイッチに加えられたときに前記スイッチが前記第2の段階にあり、
前記第2の段階に前記スイッチを維持するために少なくとも前記第2の押下力より小さい保持力が要求されることを特徴とする装置。 - 請求項17に記載の装置において、
前記2段階スイッチが前記第1の位置にあるときに前記第1の段階にあり、
前記2段階スイッチが前記第2の位置にあるときに前記第2の段階にあることを特徴とする装置。 - 請求項18に記載の装置において、前記第1と第2の位置が積み重ねられた構成で作動的に接続されることを特徴とする装置。
- 請求項17に記載の装置において、
前記第1の押下力が前記スイッチを部分的に押し下げ、
前記第2の押下力が前記スイッチを完全に押し下げることを特徴とする装置。 - 請求項17に記載の装置がさらに、前記2段階スイッチに連結されたプランジャであって、当該プランジャに圧力が加えられたときに前記2段階スイッチの位置を変更するよう動作可能なプランジャを具えることを特徴とする装置。
- 請求項21に記載の装置において、前記プランジャがスプリングで付勢されることを特徴とする装置。
- 請求項21に記載の装置において、前記2段階スイッチの位置を変更させるために前記プランジャに可変量の圧力が加えられることを特徴とする装置。
- 請求項21に記載の装置において、前記2段階スイッチを前記第1の段階に位置決めするのに必要な圧力の量は、前記2段階スイッチを前記第2の段階に位置決めするのに必要な圧力の量より小さいことを特徴とする装置。
- 請求項17に記載の装置において、前記2段階スイッチが少なくとも第1のサブスイッチと第2のサブスイッチとで構成され、前記第1のサブスイッチが前記第1の段階を達成し、前記第2のサブスイッチが前記第2の段階を達成することを特徴とする装置。
- 超音波の電源内蔵型手術装置を操作する方法において、
ハンドルに、
内蔵型電源と、
前記手術装置の少なくとも2つの動作状態を実行するよう動作可能な制御回路とを提供するステップと、
前記制御回路に電気的に接続された2段階スイッチで前記少なくとも2つの動作状態を達成するステップであって、前記スイッチの第1の段階が前記少なくとも2つの動作状態の第1の動作状態を達成し、前記スイッチの第2の段階が前記第1の動作状態とは異なる前記少なくとも2つの動作状態の第2の動作状態を達成するステップとを具え、前記2段階スイッチが可変抵抗を有することにより、
第1の押下力が前記スイッチに加えられたときに前記第1の段階が発生し、
前記第1の押下力より強い第2の押下力が前記スイッチに加えられたときに前記第2の段階が発生し、
前記第2の段階に前記スイッチを維持するために少なくとも前記第2の押下力より小さい保持力が要求されることを特徴とする方法。 - 請求項26に記載の方法がさらに、前記制御回路に前記電源から送られた電力の量を制御するステップを具えることを特徴とする方法。
- 請求項27に記載の方法において、前記第1の動作状態は前記電源から送られた電力の第1の量であり、前記第2の動作状態は前記電源から送られた電力の第2の量であることを特徴とする方法。
- 請求項27に記載の方法がさらに、前記第1の動作状態で前記電源から第1の量の電力を送るステップと、前記第2の動作状態で前記電源から前記第1の量とは異なる第2の量の電力を送るステップとを具えることを特徴とする方法。
- 請求項29に記載の方法において、前記電力の第1の量が前記第2の量より少ないことを特徴とする方法。
- 請求項26に記載の方法がさらに、
前記制御回路を電気的に閉じるために前記2段階スイッチの少なくとも1つの電気接点を用いて前記第1と第2の動作状態を達成するステップを具えることを特徴とする方法。 - 請求項26に記載の方法がさらに、
前記制御回路を電気的に切断するために前記2段階スイッチの少なくとも1つの電気接点を用いて前記第1と第2の動作状態を達成するステップを具えることを特徴とする方法。 - 請求項26に記載の方法がさらに、
前記2段階スイッチの位置を変更することによって前記第1と第2の段階を切り替えるステップを具えることを特徴とする方法。 - 請求項26に記載の方法において、前記2段階スイッチは、前記第1の押下力を加えることによって第1の位置に配置されたときに前記第1の段階にあることを特徴とする方法。
- 請求項34に記載の方法において、前記2段階スイッチは、前記第2の押下力を加えることによって第2の位置に配置されたときに前記第2の段階にあることを特徴とする方法。
- 請求項35に記載の方法において、前記第1と第2の位置が積み重ねられた構成で作動的に接続されることを特徴とする方法。
- 請求項26に記載の方法がさらに、
前記2段階スイッチを部分的に押し下げるために前記第1の押下力を加えることによって前記第1の段階に切り替えることを特徴とする方法。 - 請求項37に記載の方法がさらに、
前記2段階スイッチを完全に押し下げるために前記第2の押下力を加えることによって前記第2の段階に切り替えることを特徴とする方法。 - 請求項33に記載の方法がさらに、
前記2段階スイッチにプランジャを連結するステップと、
前記プランジャに圧力を加えることによって前記2段階スイッチの位置を変更するステップとを具えることを特徴とする方法。 - 請求項39に記載の方法において、前記プランジャがスプリングで付勢されることを特徴とする方法。
- 請求項39に記載の方法がさらに、
前記2段階スイッチの位置を変更させるために前記プランジャに可変量の圧力を加えるステップを具えることを特徴とする方法。 - 請求項41に記載の方法において、前記2段階スイッチを前記第1の段階に位置決めするのに必要な圧力の量は、前記2段階スイッチを前記第2の段階に位置決めするのに必要な圧力の量より少ないことを特徴とする方法。
- 請求項26に記載の方法において、前記2段階スイッチが少なくとも第1のサブスイッチと第2のサブスイッチとで構成され、前記第1のサブスイッチが前記第1の段階を達成し、前記第2のサブスイッチが前記第2の段階を達成することを特徴とする方法。
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CA2790917C (en) | 2018-06-26 |
WO2011025857A9 (en) | 2011-04-14 |
US20150141988A1 (en) | 2015-05-21 |
US20130046321A1 (en) | 2013-02-21 |
US8497436B2 (en) | 2013-07-30 |
US20130046290A1 (en) | 2013-02-21 |
US8334468B2 (en) | 2012-12-18 |
US20110009890A1 (en) | 2011-01-13 |
AU2010286689A1 (en) | 2012-03-15 |
US20130341165A1 (en) | 2013-12-26 |
JP2016041314A (ja) | 2016-03-31 |
US20140236202A1 (en) | 2014-08-21 |
EP2471080A4 (en) | 2016-10-05 |
US8502091B2 (en) | 2013-08-06 |
US8487199B2 (en) | 2013-07-16 |
US20130046322A1 (en) | 2013-02-21 |
EP2471080A1 (en) | 2012-07-04 |
US20130046291A1 (en) | 2013-02-21 |
CA2790917A1 (en) | 2011-03-03 |
WO2011025857A1 (en) | 2011-03-03 |
US8742269B2 (en) | 2014-06-03 |
US8338726B2 (en) | 2012-12-25 |
US20110054506A1 (en) | 2011-03-03 |
AU2010286689B2 (en) | 2014-01-16 |
US8497437B2 (en) | 2013-07-30 |
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