JP7196163B2 - 電極との生理食塩水接触の改善 - Google Patents
電極との生理食塩水接触の改善 Download PDFInfo
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- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 title description 14
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Description
代理人整理番号END8256USNP/170167、本出願と同日付に出願の、発明者David A.Wittらによる、表題「BIPOLAR ELECTRODE SALINE LINKED CLOSED LOOP MODULATED VACUUM SYSTEM」。
実施例1:電気外科用装置のエンドエフェクタであって、
第1の流体経路と流体連通する遠位流体放出ポートと、
第2の流体経路と流体連通する遠位流体吸引ポートと、
第1の電極及び第2の電極と、
第1の電極と第2の電極との間に配設された分流装置と、を備え、分流装置は、マトリックス及び内部に配設された複数の空隙を有する多孔質材料を含み、
複数の空隙は、遠位流体放出ポートに流体連結されている、エンドエフェクタ。
電気外科用装置の第1の電極を受容するように構成されている第1のレセプタクルと、電気外科用装置の第2の電極を受容するように構成されている第2のレセプタクルと、を含む、アセンブリ本体と、
アセンブリ本体上に、かつ第1のレセプタクルに近接して取り付けられた第1の電極接点と、
アセンブリ本体上に、かつ第2のレセプタクルに近接して取り付けられた第2の電極接点と、
電気外科用装置の流体源ポートから流体を受容するように構成されている導管と、
第1の電極接点と第2の電極接点との間に配設された分流装置と、を備え、
分流装置が、マトリックスと、内部に配設された複数の空隙とを有する多孔質材料を含み、
複数の空隙が、導管に流体連結されている、解放可能な分流装置アセンブリ。
第1の電極及び第2の電極と、
第1の遠位流体源ポートを有し、第1の電極の外側表面に近接して配設された第1の流体カニューレと、
第2の遠位流体源ポートを有し、第2の電極の外側表面に近接して配設された第2の流体カニューレと、
第1の電極と第2の電極との間に少なくとも部分的に配設された遠位流体瀉出ポートと、
第1の電極、第2の電極、第1の流体カニューレ、及び第2の流体カニューレを包囲するように構成されているシャフトと、を備える、シャフトアセンブリ。
第1の流体カニューレが第1の外側表面溝内に配設され、第2の流体カニューレが第2の外側表面溝内に配設されている、実施例14に記載のシャフトアセンブリ。
遠位流体瀉出ポートに流体連結された近位流体抽出ポートと、
第1の電極の近位部分、第1の流体カニューレの近位部分、第2の電極の近位部分、及び第2の流体カニューレの近位部分を受容するように構成されている近位電極キャップと、を含む、実施例17に記載のシャフトアセンブリ。
第1の流体経路と流体連通する遠位流体放出ポートであって、遠位オリフィスを含む、遠位流体放出ポートと、
第2の流体経路と流体連通する遠位流体吸引ポートと、
第1の電極及び第2の電極と、
第1の電極及び第2の電極と機械的に連通し、それらの間に配設された分流装置と、を備え、
分流装置が、遠位流体放出ポートの長手方向軸に平行な平面を含む第1面を有し、
分流装置の近位縁が遠位オリフィスに隣接し、分流装置が、第1面上で、遠位流体放出ポートによって放出された流体の少なくとも一部を受容し、第1の電極の表面及び第2の電極の表面と第1面上の流体の接触を維持するように構成されている、エンドエフェクタ。
(1) 電気外科用装置のエンドエフェクタであって、
第1の流体経路と流体連通する遠位流体放出ポートと、
第2の流体経路と流体連通する遠位流体吸引ポートと、
第1の電極及び第2の電極と、
前記第1の電極と前記第2の電極との間に配設された分流装置と、を備え、前記分流装置は、マトリックス及び内部に配設された複数の空隙を有する多孔質材料を含み、
前記複数の空隙は、前記遠位流体放出ポートに流体連結されている、エンドエフェクタ。
(2) 前記複数の空隙が、前記遠位流体放出ポートから前記分流装置の表面に流体を方向付けるように構成されている、実施態様1に記載のエンドエフェクタ。
(3) 前記分流装置の前記表面が、前記分流装置の上面を含む、実施態様2に記載のエンドエフェクタ。
(4) 前記分流装置の前記表面が、前記分流装置の1つ以上の側面を含む、実施態様2に記載のエンドエフェクタ。
(5) 前記複数の空隙が、少なくとも1つのチャネルを含む、実施態様2に記載のエンドエフェクタ。
(7) 前記少なくとも1つのチャネルは、前記流体の少なくとも一部を前記分流装置の第1の側面に方向付けるように構成されている第1のチャネルと、前記流体の少なくとも一部を前記分流装置の第2の側面に方向付けるように構成されている第2のチャネルと、を含む、実施態様5に記載のエンドエフェクタ。
(8) 前記マトリックスが、セラミックマトリックスを含む、実施態様1に記載のエンドエフェクタ。
(9) 前記分流装置が、解放可能な分流装置アセンブリを含む、実施態様1に記載のエンドエフェクタ。
(10) 前記遠位流体吸引ポートが、前記分流装置に近接する領域から物質を除去するように構成されている、実施態様1に記載のエンドエフェクタ。
前記電気外科用装置の第1の電極を受容するように構成されている第1のレセプタクルと、前記電気外科用装置の第2の電極を受容するように構成されている第2のレセプタクルと、を含む、アセンブリ本体と、
前記アセンブリ本体上に、かつ前記第1のレセプタクルに近接して取り付けられた第1の電極接点と、
前記アセンブリ本体上に、かつ前記第2のレセプタクルに近接して取り付けられた第2の電極接点と、
前記電気外科用装置の流体源ポートから流体を受容するように構成されている導管と、
前記第1の電極接点と前記第2の電極接点との間に配設された分流装置と、を備え、
前記分流装置は、マトリックスと、内部に配設された複数の空隙とを有する多孔質材料を含み、
前記複数の空隙は、前記導管に流体連結されている、解放可能な分流装置アセンブリ。
(12) 前記複数の空隙が、前記導管から前記分流装置の表面に前記流体を方向付けるように構成されている、実施態様11に記載の解放可能な分流装置アセンブリ。
(13) 前記分流装置の前記表面が、前記分流装置の上面を含む、実施態様12に記載の解放可能な分流装置アセンブリ。
(14) 電気外科用装置のシャフトアセンブリであって、
第1の電極及び第2の電極と、
第1の遠位流体源ポートを有し、前記第1の電極の外側表面に近接して配設された第1の流体カニューレと、
第2の遠位流体源ポートを有し、前記第2の電極の外側表面に近接して配設された第2の流体カニューレと、
前記第1の電極と前記第2の電極との間に少なくとも部分的に配設された遠位流体瀉出ポートと、
前記第1の電極、前記第2の電極、前記第1の流体カニューレ、及び前記第2の流体カニューレを包囲するように構成されているシャフトと、を備える、シャフトアセンブリ。
(15) 前記第1の電極が第1の外側表面溝を含み、前記第2の電極が第2の外側表面溝を含み、
前記第1の流体カニューレが前記第1の外側表面溝内に配設され、前記第2の流体カニューレが前記第2の外側表面溝内に配設されている、実施態様14に記載のシャフトアセンブリ。
(17) 前記シャフトの近位端の周りに配設された近位流体抽出アセンブリを更に備える、実施態様14に記載のシャフトアセンブリ。
(18) 前記近位流体抽出アセンブリが、
前記遠位流体瀉出ポートに流体連結された近位流体抽出ポートと、
前記第1の電極の近位部分、前記第1の流体カニューレの近位部分、前記第2の電極の近位部分、及び前記第2の流体カニューレの近位部分を受容するように構成されている近位電極キャップと、を備える、実施態様17に記載のシャフトアセンブリ。
(19) 前記シャフトの遠位端において前記シャフトの内部に配設され、かつ、前記第1の電極の遠位部分、前記第1の流体カニューレの遠位部分、前記第2の電極の遠位部分、及び前記第2の流体カニューレの遠位部分を受容するように構成されている遠位アイソレーションリングを更に備える、実施態様14に記載のシャフトアセンブリ。
(20) 前記遠位流体瀉出ポートが、前記遠位アイソレーションリングの表面の少なくとも一部分を含む、実施態様19に記載のシャフトアセンブリ。
第1の流体経路と流体連通する遠位流体放出ポートであって、遠位オリフィスを含む、遠位流体放出ポートと、
第2の流体経路と流体連通する遠位流体吸引ポートと、
第1の電極及び第2の電極と、
前記第1の電極及び前記第2の電極と機械的に連通し、それらの間に配設された分流装置と、を備え、
前記分流装置が、前記遠位流体放出ポートの長手方向軸に平行な平面を含む第1面を有し、
前記分流装置の近位縁が前記遠位オリフィスに隣接し、前記分流装置が、前記第1面上で、前記遠位流体放出ポートによって放出された流体の少なくとも一部を受容し、前記第1の電極の表面及び前記第2の電極の表面と前記第1面上の前記流体の接触を維持するように構成されている、エンドエフェクタ。
(22) 前記分流装置が、前記第1面に複数の特徴部を備えている、実施態様21に記載のエンドエフェクタ。
(23) 前記複数の特徴部は、前記分流装置の前記第1面上の前記流体の流れを、前記第1の電極又は前記第2の電極に向けて方向付けるように構成されている、実施態様22に記載のエンドエフェクタ。
(24) 前記複数の特徴部が、複数の凸部を含む、実施態様22に記載のエンドエフェクタ。
(25) 前記複数の特徴部が、複数の凹部を含む、実施態様22に記載のエンドエフェクタ。
(27) 前記遠位オリフィスが、楕円形の円周を有する、実施態様21に記載のエンドエフェクタ。
(28) 前記遠位オリフィスが、円形の円周を有する、実施態様21に記載のエンドエフェクタ。
(29) 前記分流装置が第2面を有し、前記第2面が、前記分流装置の前記第2面上の前記流体の流れを前記第1の電極又は前記第2の電極に向けて方向付けるように構成されている第2の複数の特徴部を含む、実施態様21に記載のエンドエフェクタ。
Claims (17)
- 電気外科用装置のエンドエフェクタであって、
第1の流体経路と流体連通する遠位流体放出ポートと、
第2の流体経路と流体連通する遠位流体吸引ポートと、
第1の電極及び第2の電極と、
前記第1の電極と前記第2の電極との間に配設された分流装置と、を備え、前記分流装置は、マトリックス及び内部に配設された複数の空隙を有する多孔質材料を含み、
前記複数の空隙は、前記遠位流体放出ポートに流体連結されている、エンドエフェクタ。 - 前記複数の空隙が、前記遠位流体放出ポートから前記分流装置の表面に流体を方向付けるように構成されている、請求項1に記載のエンドエフェクタ。
- 前記分流装置の前記表面が、前記分流装置の上面を含む、請求項2に記載のエンドエフェクタ。
- 前記分流装置の前記表面が、前記分流装置の1つ以上の側面を含む、請求項2に記載のエンドエフェクタ。
- 前記複数の空隙が、少なくとも1つのチャネルを含む、請求項2に記載のエンドエフェクタ。
- 前記少なくとも1つのチャネルが、前記遠位流体放出ポートに物理的に連結されているチャネルを含む、請求項5に記載のエンドエフェクタ。
- 前記少なくとも1つのチャネルは、前記流体の少なくとも一部を前記分流装置の第1の側面に方向付けるように構成されている第1のチャネルと、前記流体の少なくとも一部を前記分流装置の第2の側面に方向付けるように構成されている第2のチャネルと、を含む、請求項5に記載のエンドエフェクタ。
- 前記マトリックスが、セラミックマトリックスを含む、請求項1に記載のエンドエフェクタ。
- 前記分流装置が、解放可能な分流装置アセンブリを含む、請求項1に記載のエンドエフェクタ。
- 前記遠位流体吸引ポートが、前記分流装置に近接する領域から物質を除去するように構成されている、請求項1に記載のエンドエフェクタ。
- 電気外科用装置のための解放可能な分流装置アセンブリであって、
前記電気外科用装置の第1の電極を受容するように構成されている第1のレセプタクルと、前記電気外科用装置の第2の電極を受容するように構成されている第2のレセプタクルと、を含む、アセンブリ本体と、
前記アセンブリ本体上に、かつ前記第1のレセプタクルに近接して取り付けられた第1の電極接点と、
前記アセンブリ本体上に、かつ前記第2のレセプタクルに近接して取り付けられた第2の電極接点と、
前記電気外科用装置の流体源ポートから流体を受容するように構成されている導管と、
前記第1の電極接点と前記第2の電極接点との間に配設された分流装置と、を備え、
前記分流装置は、マトリックスと、内部に配設された複数の空隙とを有する多孔質材料を含み、
前記複数の空隙は、前記導管に流体連結されている、解放可能な分流装置アセンブリ。 - 前記複数の空隙が、前記導管から前記分流装置の表面に前記流体を方向付けるように構成されている、請求項11に記載の解放可能な分流装置アセンブリ。
- 前記分流装置の前記表面が、前記分流装置の上面を含む、請求項12に記載の解放可能な分流装置アセンブリ。
- 請求項1~10の何れか1つに記載のエンドエフェクタ、及び、シャフトアセンブリを備えた電気外科用装置であって、
前記シャフトアセンブリは、前記第1の電極、前記第2の電極、前記第1の流体経路、及び前記第2の流体経路を包囲するように構成されているシャフトを備える、電気外科用装置。 - 前記シャフトアセンブリは、前記シャフトの遠位端において前記シャフトの内部に配設され、かつ、前記第1の電極の遠位部分、前記第1の流体経路の遠位部分、前記第2の電極の遠位部分、及び前記第2の流体経路の遠位部分を受容するように構成されている遠位アイソレーションリングを更に備える、請求項14に記載の電気外科用装置。
- 請求項1~10の何れか1つに記載のエンドエフェクタを備えた電気外科用装置であって、
前記遠位流体放出ポートは、遠位オリフィスを含み、
前記分流装置は、前記第1の電極及び前記第2の電極と機械的に連通し、
前記分流装置が、前記遠位流体放出ポートの長手方向軸に平行な平面を含む第1面を有し、
前記分流装置の近位縁が前記遠位オリフィスに隣接し、前記分流装置が、前記第1面上で、前記遠位流体放出ポートによって放出された流体の少なくとも一部を受容し、前記第1の電極の表面及び前記第2の電極の表面と前記第1面上の前記流体の接触を維持するように構成されている、電気外科用装置。 - 前記分流装置が第2面を有し、前記第2面が、前記分流装置の前記第2面上の前記流体の流れを前記第1の電極又は前記第2の電極に向けて方向付けるように構成されている第2の複数の特徴部を含む、請求項16に記載の電気外科用装置。
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- 2017-09-29 US US15/720,822 patent/US11490951B2/en active Active
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2018
- 2018-09-25 CN CN201880071401.2A patent/CN111295151B/zh active Active
- 2018-09-25 EP EP18786405.3A patent/EP3687429B1/en active Active
- 2018-09-25 WO PCT/IB2018/057404 patent/WO2019064174A1/en unknown
- 2018-09-25 KR KR1020207012107A patent/KR20200066650A/ko not_active Application Discontinuation
- 2018-09-25 JP JP2020517842A patent/JP7196163B2/ja active Active
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2022
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Patent Citations (5)
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US20070032785A1 (en) | 2005-08-03 | 2007-02-08 | Jennifer Diederich | Tissue evacuation device |
US20130197506A1 (en) | 2011-02-09 | 2013-08-01 | Arthrocare Corporation | Fine dissection electrosurgical device |
JP2015526248A (ja) | 2012-08-31 | 2015-09-10 | ニコ コーポレイションNICO Corporation | 双極性外科器具 |
US20140276757A1 (en) | 2013-03-15 | 2014-09-18 | Alan G. Ellman | Fixed position rf electrode |
US20160045250A1 (en) | 2014-08-15 | 2016-02-18 | Medtronic Ps Medical, Inc. | Multipurpose electrosurgical device |
Also Published As
Publication number | Publication date |
---|---|
EP3687429B1 (en) | 2021-12-29 |
WO2019064174A1 (en) | 2019-04-04 |
US20190099212A1 (en) | 2019-04-04 |
CN111295151B (zh) | 2023-08-15 |
US20230027481A1 (en) | 2023-01-26 |
EP3687429A1 (en) | 2020-08-05 |
JP2020534950A (ja) | 2020-12-03 |
CN111295151A (zh) | 2020-06-16 |
US11490951B2 (en) | 2022-11-08 |
KR20200066650A (ko) | 2020-06-10 |
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