JPWO2021250538A5 - - Google Patents
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- JPWO2021250538A5 JPWO2021250538A5 JP2022575296A JP2022575296A JPWO2021250538A5 JP WO2021250538 A5 JPWO2021250538 A5 JP WO2021250538A5 JP 2022575296 A JP2022575296 A JP 2022575296A JP 2022575296 A JP2022575296 A JP 2022575296A JP WO2021250538 A5 JPWO2021250538 A5 JP WO2021250538A5
- Authority
- JP
- Japan
- Prior art keywords
- ablation device
- ablation
- shape
- shaft
- distal portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002679 ablation Methods 0.000 claims 32
- 238000010292 electrical insulation Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 210000000056 organ Anatomy 0.000 claims 1
Claims (20)
前記アブレーションカテーテル(1)が、The ablation catheter (1),
少なくとも細長シャフト遠位部分(17)を備えるカテーテル細長シャフト(13)を備え、a catheter elongate shaft (13) comprising at least an elongate shaft distal portion (17);
前記カテーテル細長シャフト(13)が、身体の血管(208)を通って進む可撓性の本体(207)を備え、the catheter elongate shaft (13) comprises a flexible body (207) for passage through a body vessel (208);
前記アブレーションカテーテル(1)が、前記細長シャフト遠位部分(17)に配設されたシャフトアブレーションアセンブリ(20)を更に備え、the ablation catheter (1) further comprising a shaft ablation assembly (20) disposed on the elongate shaft distal portion (17);
前記シャフトアブレーションアセンブリ(2)が、前記細長シャフト遠位部分(17)に固定的に配設された少なくとも複数の電極(127、113、又は114)を備え、the shaft ablation assembly (2) comprises at least a plurality of electrodes (127, 113, or 114) fixedly disposed on the elongate shaft distal portion (17);
前記少なくとも複数の電極(127、113、又は114)の全てが、電気信号(S)を介して前記電源(4)によって電気的に電力を供給されて、前記組織(41)を治療するための非熱エネルギーを送達し、all of the at least a plurality of electrodes (127, 113, or 114) are electrically powered by the generator (4) via an electrical signal (S) to deliver non-thermal energy to treat the tissue (41);
前記電気信号(S)が、正弦波を含み、the electrical signal (S) comprises a sine wave,
前記電気信号(S)が、時間間隔(T)の間に、前記複数の電極(127、113、又は114)に供給され、the electrical signal (S) is applied to the plurality of electrodes (127, 113, or 114) for a time interval (T);
前記電気信号(S)が、前記時間間隔(T)に2つ以上の基本正弦波(BSW)を含む正弦パルス列(204)である、アブレーション装置(100)。The ablation device (100), wherein the electrical signal (S) is a sinusoidal pulse train (204) including two or more fundamental sine waves (BSW) during the time interval (T).
前記電力ユニット(401)が、前記少なくとも複数の電極(127、113、又は114)の全ての電極に電気的に接続されている、請求項1に記載のアブレーション装置(100)。The ablation device (100) of claim 1, wherein the power unit (401) is electrically connected to all electrodes of the at least a plurality of electrodes (127, 113, or 114).
前記電力モジュール(402)が、The power module (402)
-前記制御ユニット(400)によって提供される供給電圧信号(Vcc)から開始して、前記電気信号(S)を生成するために、前記制御ユニット(400)によって制御される、駆動回路ブロック(403)、a driver circuit block (403) controlled by said control unit (400) to generate said electrical signal (S), starting from a supply voltage signal (Vcc) provided by said control unit (400);
-前記駆動回路ブロック(403)によって選択的に制御されて、前記信号(S)に関連付けられた電気エネルギーレベルを連続的に変化させる、選択ブロック(404)、a selection block (404) selectively controlled by said drive circuit block (403) to continuously vary the electrical energy level associated with said signal (S);
-フィルタリング及び電気絶縁ブロック(405、406)を備える、請求項3に記載のアブレーション装置(100)。The ablation device (100) of claim 3, comprising a filtering and electrical insulation block (405, 406).
可変高電圧電源ブロック(408)及びプログラマブルロジックコントローラブロック(409)を制御するように構成されている、マイクロプロセッサ(407)を備え、a microprocessor (407) configured to control a variable high voltage power supply block (408) and a programmable logic controller block (409);
前記可変高電圧電源ブロック408が、前記電気信号(S)を生成するために、供給電圧信号(Vcc)を電力モジュール(402)に提供するように構成されており、the variable high voltage power supply block 408 is configured to provide a supply voltage signal (Vcc) to a power module (402) to generate the electrical signal (S);
前記プログラマブルロジックコントローラブロック(409)が、前記電力モジュール(402)の駆動回路ブロック(403)を制御するための駆動信号を生成するように構成されており、The programmable logic controller block (409) is configured to generate a drive signal for controlling a drive circuit block (403) of the power module (402);
前記制御ユニット(400)が、The control unit (400)
-前記マイクロプロセッサ(407)によって制御されて、前記装置(100)のパラメータを設定し、選択されたパラメータを表示する、ビデオインターフェース及び押しボタンブロック(410、410')、a video interface and push button block (410, 410') controlled by said microprocessor (407) for setting the parameters of said device (100) and displaying selected parameters;
-前記マイクロプロセッサ(407)の適切な機能を制御するための、ウォッチドッグブロック(411)、a watchdog block (411) for controlling the proper functioning of said microprocessor (407);
-アブレーションプロセスの正確さ及び/又は発生したエラーを表す音声情報を提供するための、音声インターフェースブロック(412)を更に備える、請求項3に記載のアブレーション装置(100)。The ablation device (100) according to claim 3, further comprising an audio interface block (412) for providing audio information representative of the correctness of the ablation process and/or of any errors that have occurred.
前記アブレーションカテーテル(1)が、前記細長シャフト(13)内に配置された内腔(118)を備え、the ablation catheter (1) comprising a lumen (118) disposed within the elongate shaft (13);
前記アブレーションカテーテル(1)が、前記シャフト遠位部分(17)に固定的に配設されたシャフトアブレーションアセンブリ(20)を備え、前記シャフトアブレーションアセンブリ(20)が前記組織(41)を治療するための非熱エネルギーを送達するように構成されており、the ablation catheter (1) comprises a shaft ablation assembly (20) fixedly disposed on the shaft distal portion (17), the shaft ablation assembly (20) configured to deliver non-thermal energy for treating the tissue (41);
-前記アブレーションカテーテル(1)内に少なくとも形状設定心棒(26)が配設され、前記形状設定心棒(26)が、前記内腔(118)内に挿入可能であり、かつ前記内腔(118)から取り外し可能であり、- at least a shape-setting mandrel (26) is disposed within said ablation catheter (1), said shape-setting mandrel (26) being insertable into and removable from said lumen (118);
前記形状設定心棒(26)が、前記形状設定心棒の挿入中に、前記シャフト遠位部分(17)とのいかなる制約も回避しながら、前記内腔(118)に対して自由に移動することができ、the shape-setting mandrel (26) can move freely relative to the lumen (118) while avoiding any constraint with the shaft distal portion (17) during insertion of the shape-setting mandrel;
前記形状設定心棒(26)が、少なくとも予め成形された構成を含み、前記形状設定心棒(26)が、少なくとも直線装填された構成と前記予め成形された構成との間で可逆的に変形可能であり、the shape-setting mandrel (26) includes at least a preformed configuration, the shape-setting mandrel (26) being reversibly transformable between at least a straight-loaded configuration and the preformed configuration;
前記形状設定心棒(26)が前記シャフト遠位部分(17)に完全に挿入されたとき、前記形状設定心棒(26)は、前記シャフト遠位部分(17)を前記予め成形された構成で形状設定するように構成されている、請求項1に記載のアブレーション装置(100)。2. The ablation device (100) of claim 1, wherein the shape-setting mandrel (26) is configured to shape-set the shaft distal portion (17) in the preformed configuration when the shape-setting mandrel (26) is fully inserted into the shaft distal portion (17).
かつ/又は、前記形状設定心棒(26)が前記シャフト遠位部分(17)に完全に挿入されたとき、前記シャフト遠位部分(17)は、前記成形された構成に適合するように構成されている、請求項9に記載のアブレーション装置(100)。And/or the shaft distal portion (17) is configured to conform to the molded configuration when the shape-setting mandrel (26) is fully inserted into the shaft distal portion (17).
前記形状設定(26)は、前記内腔(118)内で前記心棒完全挿入位置に向かって摺動しながら、前記形状設定心棒(26)は、前記装填された直線構成から前記予め成形された構成まで通過する前記シャフト遠位部分(17)を可変に形状設定するように構成されている、請求項9に記載のアブレーション装置(100)。10. The ablation device (100) of claim 9, wherein the shape-setting (26) is configured to variably shape-set the shaft distal portion (17) passing from the loaded straight configuration to the pre-shaped configuration as the shape-setting (26) slides within the lumen (118) toward the mandrel fully inserted position.
各基本正弦波(BSW)が、第1の時間間隔(T1)に等しい持続時間を有する、請求項1に記載のアブレーション装置(100)。The ablation device (100) of claim 1, wherein each fundamental sine wave (BSW) has a duration equal to the first time interval (T1).
前記少なくとも複数の電極(127)のうちの少なくとも1つの電極が、互いに電気的に絶縁された4つの導電性部分(N)を備える、請求項1に記載のアブレーション装置(100)。The ablation device (100) of claim 1, wherein at least one electrode of the at least a plurality of electrodes (127) comprises four conductive portions (N) that are electrically insulated from one another.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US202063035807P | 2020-06-07 | 2020-06-07 | |
US63/035,807 | 2020-06-07 | ||
PCT/IB2021/054965 WO2021250538A1 (en) | 2020-06-07 | 2021-06-07 | Ablation equipment to treat target regions of tissue in organs |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023528084A JP2023528084A (en) | 2023-07-03 |
JPWO2021250538A5 true JPWO2021250538A5 (en) | 2024-06-17 |
Family
ID=76444476
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022575296A Pending JP2023528084A (en) | 2020-06-07 | 2021-06-07 | Ablation device for treating target areas of tissue within an organ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20230218340A1 (en) |
EP (1) | EP4161418A1 (en) |
JP (1) | JP2023528084A (en) |
WO (1) | WO2021250538A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220061912A1 (en) * | 2020-08-25 | 2022-03-03 | Biosense Webster (Israel) Ltd. | Blending ire and rf ablation using a sine wave generator |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
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US5882346A (en) * | 1996-07-15 | 1999-03-16 | Cardiac Pathways Corporation | Shapable catheter using exchangeable core and method of use |
EP1304971A1 (en) | 2000-07-25 | 2003-05-02 | Rita Medical Systems, Inc. | Apparatus for detecting and treating tumors using localized impedance measurement |
US20070129761A1 (en) | 2002-04-08 | 2007-06-07 | Ardian, Inc. | Methods for treating heart arrhythmia |
US8641704B2 (en) | 2007-05-11 | 2014-02-04 | Medtronic Ablation Frontiers Llc | Ablation therapy system and method for treating continuous atrial fibrillation |
WO2009076461A1 (en) | 2007-12-10 | 2009-06-18 | Ablation Frontiers, Inc. | Rf energy delivery system and method |
US8221411B2 (en) | 2008-07-28 | 2012-07-17 | Medtronic, Inc. | Systems and methods for cardiac tissue electroporation ablation |
US20100152725A1 (en) | 2008-12-12 | 2010-06-17 | Angiodynamics, Inc. | Method and system for tissue treatment utilizing irreversible electroporation and thermal track coagulation |
US9314620B2 (en) * | 2011-02-28 | 2016-04-19 | Ethicon Endo-Surgery, Inc. | Electrical ablation devices and methods |
WO2012177942A2 (en) | 2011-06-21 | 2012-12-27 | Hanson Gifford, Iii | Prosthetic heart valve devices and associated systems and methods |
US20130030430A1 (en) | 2011-07-29 | 2013-01-31 | Stewart Mark T | Intracardiac tools and methods for delivery of electroporation therapies |
US9113911B2 (en) * | 2012-09-06 | 2015-08-25 | Medtronic Ablation Frontiers Llc | Ablation device and method for electroporating tissue cells |
AU2017260466A1 (en) | 2016-05-04 | 2018-12-20 | The Regents Of The University Of Colorado, A Body Corporate | Constructs, agents, and methods for facilitated ablation of cardiac tissue |
US10188449B2 (en) * | 2016-05-23 | 2019-01-29 | Covidien Lp | System and method for temperature enhanced irreversible electroporation |
US20200205890A1 (en) | 2017-07-25 | 2020-07-02 | Affera, Inc. | Ablation catheters and related systems and methods |
US11751937B2 (en) | 2017-07-25 | 2023-09-12 | Affera, Inc. | Ablation catheters and related systems and methods |
US11633121B2 (en) | 2017-08-04 | 2023-04-25 | Medtronic, Inc. | Ablation check pulse routine and integration for electroporation |
-
2021
- 2021-06-07 EP EP21732547.1A patent/EP4161418A1/en active Pending
- 2021-06-07 US US18/001,041 patent/US20230218340A1/en active Pending
- 2021-06-07 JP JP2022575296A patent/JP2023528084A/en active Pending
- 2021-06-07 WO PCT/IB2021/054965 patent/WO2021250538A1/en unknown
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