JP2020011083A - 二重機能プラズマおよび非電離マイクロ波凝固電気手術器具ならびにこれを組み込んだ電気手術装置 - Google Patents
二重機能プラズマおよび非電離マイクロ波凝固電気手術器具ならびにこれを組み込んだ電気手術装置 Download PDFInfo
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Abstract
Description
−内視鏡もしく任意の他のスコープまたは他の機器の器具チャンネルの滅菌または消毒するために使用される、あるいは生体組織または体表面を滅菌または消毒するために使用される非熱プラズマ
−内視鏡、他のスコープまたは他の機器の器具チャンネルを滅菌または消毒するための非電離マイクロ波放射
−表面または表層凝固のための熱プラズマ
−深部凝固のための非電離マイクロ波放射。
−非電離マイクロ波放射:モノポール放射アンテナが、深部凝固のための非電離マイクロ波放射を放出するために露出される;
−RFおよびマイクロ波エネルギーを使用するプラズマ発生:放射モノポールが外側スリーブによって覆われ、プラズマ(表面凝固には熱プラズマおよび/または滅菌/消毒には非熱プラズマ)を発生および維持し得るようにガスがその領域内に導入される;
−マイクロ波エネルギーのみを使用するプラズマ発生:内側導体および外側導体の間の距離を調整してプラズマ発生に足る高電場を発生させる;
−マイクロ波場のみを使用するプラズマ維持:内側導体および外側導体の間の距離を調整してプラズマが維持されるような低インピーダンス環境を生成させる。
−器具の遠位領域に(すなわち、石英チューブ330および円筒形キャップ314の間の領域に)ガスを供給し、
−遠位領域で高電場を発生させることによってその領域でガスにおいてプラズマを発生させるために同軸ケーブルを通してRFエネルギーのパルスを送信し、
−確実に適切な処置がなされるように、プラズマを維持するために同軸ケーブルを通してマイクロ波エネルギーのパルスを送信する。
位置1−深部凝固のための非電離マイクロ波放射を送達するためにモノポール放射アンテナが露出される;
位置2−プラズマ発生領域の設定:放射モノポールが外側スリーブによって覆われ、RFおよびマイクロ波エネルギーを使用してプラズマ(表面凝固には熱プラズマおよび/または滅菌/消毒には非熱プラズマ)を発生および維持し得るようにガスがその領域内に導入される;
位置3−マイクロ波エネルギーを使用してプラズマを発生させ、内側導体および外側導体の間の距離を調整してプラズマ発生に足る高電場を発生させる;
位置4−マイクロ波場を使用してプラズマを維持し、内側導体および外側導体の間の距離を調整してプラズマが維持されるような低インピーダンス環境を生成させる。
Claims (11)
- 電気手術器具であって、
ラジオ波(RF)およびマイクロ波周波数電磁(EM)放射を伝えるための同軸ケーブル、ならびに前記RFおよびマイクロ波放射を前記同軸ケーブルから別々にあるいは同時に受信するために前記同軸ケーブルの遠位端部に接続されるプローブ先端を備える細長いプローブと、
前記細長いプローブを通して前記プローブ先端までガスを運ぶためのガス通路と、
を備え、
前記同軸ケーブルが、内側導体、外側導体および前記内側導体を前記外側導体と隔てる誘電材料を備え、
前記プローブ先端が、前記同軸ケーブルの前記内側導体に接続される第1の電極および前記同軸ケーブルの前記外側導体に接続される第2の電極を備え、
前記第1の電極および第2の電極が互いに同軸であり、かつ
前記ガス通路から受け入れた前記ガスの流路を横切るように、受信した前記RF EM放射のエネルギーから電場を生成して、プラズマが発生し、かつ
前記プラズマが発生した後に、受信した前記マイクロ波のエネルギーを送達して前記プラズマを維持するように、前記第1の電極および第2の電極が構成され、
ガスを流すことができるガス透過性導電構造によって、前記同軸ケーブルの前記外側導体を前記第2の電極に接続する、
電気手術器具。 - 前記細長いプローブが、前記同軸ケーブルを取り囲むスリーブを備え、前記ガス通路が、前記スリーブの内面および前記同軸ケーブルの外面の間の空間である、請求項1に記載の電気手術器具。
- 前記ガス透過性導電構造が、
導電性メッシュ、
放射状に延びる導電性ワイヤまたはばねのケージ、および
複数の周縁方向に離間した放射状に突出する歯(dents)
のうちのいずれかである、請求項1に記載の電気手術器具。 - 前記ガス透過性導電構造が、前記第2の電極にはんだ付けまたは圧着される、請求項1に記載の電気手術器具。
- 前記第2の電極が、前記スリーブの前記遠位端部に設けられた導電性端子チューブを備え、前記導電性端子チューブが、その内面に、前記同軸ケーブルの前記外側導体に接触するための1つ以上の放射状に突出する突起を含む、請求項2に記載の電気手術器具。
- 前記導電性端子チューブが、その内面の周囲に絶縁ライナを有し、前記ライナが、前記1つ以上の放射状に突出する突起に対して遠位に位置決めされる、請求項5に記載の電気手術器具。
- 前記プローブが、内視鏡の前記器具チャンネルを通して挿入可能である、請求項1に記載の電気手術器具。
- NOTES法で使用するように構成される、請求項1に記載の電気手術器具。
- 凝固を行うための電気手術装置であって、
ラジオ波(RF)信号発生器であって、第1の周波数を有するRF電磁(EM)放射を生成するためのRF信号発生器と、
前記第1の周波数よりも高い第2の周波数を有するマイクロ波EM放射を発生するためのマイクロ波信号発生器と、
前記RF EM放射および前記マイクロ波EM放射を受信するように接続される請求項1に記載の電気手術器具と、
前記プローブに前記RF EM放射および前記マイクロ波EM放射を伝えるための供給構造であって、前記供給構造が、前記RF信号発生器に前記プローブを接続するためのRFチャンネルと、および前記プローブを前記マイクロ波信号発生器に接続するためのマイクロ波チャンネルを備える、供給構造と、
電気手術器具にガスを供給するように接続されるガス供給部と
を備え、
前記装置が、
表面凝固モードで動作可能であり、それによって、前記プローブ先端に送達される前記RF EM放射が前記第1および第2の電極の間でガスプラズマを発生するように構成され、かつ
前記マイクロ波EM放射がプラズマ発生後に前記プラズマを維持するように構成される、電気手術装置。 - RFEMエネルギーのパルスを前記プローブに送達させて、前記プラズマを発生させるために前記流路を横断して前記高電場を発生させるように構成されるプラズマ発生信号発生回路を備え、前記プラズマ発生信号発生回路が、前記マイクロ波チャンネル上のマイクロ波EMエネルギーのパルスの検出可能な特性を使用して、RF EMエネルギーのパルスの発生を開始させるように構成される制御回路を含む、請求項9に記載の電気手術装置。
- 前記マイクロ波チャンネル上の順方向および反射電力をサンプリングし、かつそこから、前記プローブによって前記マイクロ波出力が送達されたことを示すマイクロ波検出信号を生成するためのマイクロ波信号検出器と、
前記マイクロ波検出信号を受信するための前記マイクロ波信号検出器と通信可能なコントローラと
を備え、
前記コントローラが、前記マイクロ波EMエネルギーのためのエネルギー送達プロファイルを選択するように動作可能であり、前記マイクロ波EMエネルギーのための前記エネルギー送達プロファイルが組織の凝固のためのものであり、
前記コントローラが、前記マイクロ波信号発生器のためのマイクロ波制御信号を出力するようにプログラムされたデジタルマイクロプロセッサを備え、前記マイクロ波制御信号が、前記マイクロ波EMエネルギーのための前記エネルギー送達プロファイルを設定するためのものであり、
前記コントローラが、前記受信したマイクロ波検出信号に基づいて前記マイクロ波制御信号の状態を判定するように構成される、
請求項9に記載の電気手術装置。
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU199430U1 (ru) * | 2020-02-06 | 2020-09-01 | Общество с ограниченной ответственностью фирма "ТЕХНОСВЕТ" | Универсальная установка для комплексного разрушения биоткани |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB201308558D0 (en) * | 2013-05-13 | 2013-06-19 | Creo Medical Ltd | Electrosurgical apparatus |
KR101810926B1 (ko) * | 2015-08-19 | 2017-12-20 | 한국전자통신연구원 | 플라즈마 발생 장치 및 플라즈마 공급 방법 |
US10245333B2 (en) | 2015-08-19 | 2019-04-02 | Electronics And Telecommunications Research Institute | Plasma generating apparatus and treatment method using the same |
FR3042092B1 (fr) * | 2015-10-05 | 2019-07-26 | Sairem Societe Pour L'application Industrielle De La Recherche En Electronique Et Micro Ondes | Dispositif elementaire de production d’un plasma avec applicateur coaxial |
GB2547941A (en) * | 2016-03-04 | 2017-09-06 | Creo Medical Ltd | Electrosurgical instrument |
GB2552921A (en) * | 2016-04-04 | 2018-02-21 | Creo Medical Ltd | Electrosurgical probe for delivering RF and microwave energy |
GB2550414A (en) * | 2016-05-20 | 2017-11-22 | Creo Medical Ltd | Antenna structure |
GB2551117A (en) * | 2016-05-31 | 2017-12-13 | Creo Medical Ltd | Electrosurgical apparatus and method |
DE102016110705A1 (de) * | 2016-06-10 | 2017-12-14 | Olympus Winter & Ibe Gmbh | Elektrochirurgisches Instrument, elektrochirurgisches System und Verfahren zur Herstellung eines elektrochirurgischen Instruments |
GB2552169A (en) * | 2016-07-11 | 2018-01-17 | Creo Medical Ltd | Electrosurgical generator |
KR20190034284A (ko) * | 2016-07-29 | 2019-04-01 | 쿡 메디컬 테크놀러지스 엘엘씨 | 해부학적 구조물로의 진입을 위해 단일 전도성 관형 요소를 구비한 전기 수술 장치 |
US10748745B2 (en) * | 2016-08-16 | 2020-08-18 | Applied Materials, Inc. | Modular microwave plasma source |
US11723713B2 (en) * | 2016-12-15 | 2023-08-15 | Medtronic Advanced Energy Llc | Electrosurgical blade with minimally exposed edge, alternative to coated blade |
GB2559604A (en) * | 2017-02-13 | 2018-08-15 | Creo Medical Ltd | Microwave energy transfer component for electrosurgical apparatus |
GB2561167A (en) * | 2017-03-30 | 2018-10-10 | Creo Medical Ltd | Electrosurgical energy conveying structure and electrosurgical device incorporating the same |
CN107095717B (zh) * | 2017-04-28 | 2023-06-30 | 重庆金山医疗技术研究院有限公司 | 一种氩气喷管装置及具有该装置的医疗器械 |
GB2562110A (en) | 2017-05-05 | 2018-11-07 | Creo Medical Ltd | Apparatus for sterilising an instrument channel of a surgical scoping device |
US11701165B2 (en) | 2017-05-31 | 2023-07-18 | Intuitive Surgical Operations, Inc. | System and method to protect against insulation breach in an electrosurgical instrument |
US10716619B2 (en) * | 2017-06-19 | 2020-07-21 | Covidien Lp | Microwave and radiofrequency energy-transmitting tissue ablation systems |
KR102004040B1 (ko) * | 2017-07-03 | 2019-10-01 | 한국해양대학교 산학협력단 | 암 수술용 테라헤르츠 프로브 도파로 |
GB2564124B (en) * | 2017-07-04 | 2021-08-25 | Creo Medical Ltd | Control device for an electrosurgical instrument |
WO2019032838A1 (en) * | 2017-08-09 | 2019-02-14 | The Penn State Research Foundation | LOW TEMPERATURE PLASMA CATHETER FOR LESS INVASIVE LOCALIZED TREATMENT OF ENDOCARDITIS AND ATHEROSCLEROSIS |
DE102017118568B3 (de) * | 2017-08-15 | 2018-10-31 | Cinogy Gmbh | Plasma-Behandlungsgerät |
GB2567469A (en) * | 2017-10-13 | 2019-04-17 | Creo Medical Ltd | Electrosurgical apparatus |
CN109953817A (zh) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | 一种组合式消融穿刺构件 |
CN109953814A (zh) * | 2017-12-25 | 2019-07-02 | 四川锦江电子科技有限公司 | 一种组合式消融穿刺装置 |
GB2569812A (en) | 2017-12-27 | 2019-07-03 | Creo Medical Ltd | Electrosurgical ablation instrument |
GB2574365A (en) * | 2018-03-16 | 2019-12-11 | Creo Medical Ltd | Sterilization apparatus |
US11382684B2 (en) * | 2018-03-27 | 2022-07-12 | Gyrus Acmi, Inc. | Electrode blade for shavers |
RU181459U1 (ru) * | 2018-04-09 | 2018-07-16 | Федеральное государственное бюджетное учреждение науки Институт общей физики им. А.М. Прохорова Российской академии наук | Генератор низкотемпературной плазмы |
GB2576477B (en) * | 2018-05-01 | 2022-02-16 | Creo Medical Ltd | Apparatus for treating urinary tract infections |
PL3569171T3 (pl) | 2018-05-14 | 2024-06-10 | Erbe Elektromedizin Gmbh | Urządzenie i sposób określania parametrów roboczych do generowania plazmy w środowisku wodnym |
CN108449858A (zh) * | 2018-05-18 | 2018-08-24 | 四川大学 | 基于同轴结构和终端压缩的等离子体射流发生器 |
US11963717B2 (en) | 2018-06-08 | 2024-04-23 | Nova-Tech Engineering, Llc | Energy delivery system using an electric field |
GB2575484A (en) * | 2018-07-12 | 2020-01-15 | Creo Medical Ltd | Electrosurgical instrument |
GB2575485A (en) * | 2018-07-12 | 2020-01-15 | Creo Medical Ltd | Electrosurgical instrument |
GB2577706A (en) * | 2018-10-03 | 2020-04-08 | Creo Medical Ltd | Electrosurgical instrument |
GB2578576B (en) * | 2018-10-30 | 2022-08-24 | Creo Medical Ltd | Electrosurgical instrument |
PL3685781T3 (pl) * | 2019-01-24 | 2022-07-11 | Erbe Elektromedizin Gmbh | Przyrząd do koagulacji tkanek |
JP7267539B2 (ja) * | 2019-03-29 | 2023-05-02 | 日本ゼオン株式会社 | 内視鏡用マイクロ波照射器具 |
CN109938833B (zh) * | 2019-04-22 | 2024-09-10 | 南京长城医疗设备有限公司 | 一种半刚型血管腔内组织微波热凝固天线 |
CN111529049A (zh) * | 2019-10-11 | 2020-08-14 | 深圳钮迈科技有限公司 | 双电极探针及其操作方法 |
CN112641506A (zh) * | 2019-10-11 | 2021-04-13 | 广州爱锘德医疗器械有限公司 | 滑扣结构及调节装置 |
US20210153922A1 (en) * | 2019-11-25 | 2021-05-27 | Gyrus Acmi, Inc. D/B/A Olympus Surgical Technologies America | Device for treating endometriosis |
GB2589589A (en) | 2019-12-03 | 2021-06-09 | Creo Medical Ltd | Electrosurgical instrument |
GB2590424A (en) * | 2019-12-17 | 2021-06-30 | Creo Medical Ltd | Electrosurgical instrument and apparatus |
CN111315105B (zh) * | 2020-02-25 | 2021-04-16 | 北京航空航天大学 | 多功能探针及真空羽流检测装置 |
EP4120941A2 (en) * | 2020-03-19 | 2023-01-25 | Caps Medical Ltd. | Plasma system with directional features |
GB2594500A (en) * | 2020-04-30 | 2021-11-03 | Creo Medical Ltd | Sterilisation apparatus for producing plasma and hydroxyl radicals |
CN111544110B (zh) * | 2020-05-06 | 2021-07-20 | 安进医疗科技(北京)有限公司 | 内镜手术电极组件 |
CN113727508A (zh) * | 2020-05-26 | 2021-11-30 | 上海大学 | 一种新型真空微波等离子体离子源 |
GB2595651A (en) * | 2020-05-29 | 2021-12-08 | Univ Southampton | Sterlisation of endoscopes |
CN111938803B (zh) * | 2020-08-20 | 2024-01-12 | 上海方润医疗科技股份有限公司 | 低温等离子消融功率控制装置及系统 |
CN113304400B (zh) * | 2021-05-31 | 2023-05-09 | 广州奥方美容设备有限公司 | 等离子体发生器 |
CN115778526B (zh) * | 2022-07-11 | 2023-08-29 | 南京康友医疗科技有限公司 | 一种微波、射频和测温一体式消融针 |
CN117860205B (zh) * | 2024-03-11 | 2024-08-09 | 江苏百宁盈创医疗科技有限公司 | 一种监护仪调节型探针 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5306238A (en) * | 1990-03-16 | 1994-04-26 | Beacon Laboratories, Inc. | Laparoscopic electrosurgical pencil |
US7758537B1 (en) * | 1995-11-22 | 2010-07-20 | Arthrocare Corporation | Systems and methods for electrosurgical removal of the stratum corneum |
US6391027B1 (en) * | 1996-07-04 | 2002-05-21 | Erbe Elektromedizin Gmbh | Gas-aided, axially displaceable surgical electrode |
DE19731931C2 (de) * | 1997-07-24 | 2001-04-19 | Erbe Elektromedizin | Einrichtung zur HF-Koagulation biologischer Gewebe mittels eines flexiblen Endoskops |
US7435247B2 (en) * | 1998-08-11 | 2008-10-14 | Arthrocare Corporation | Systems and methods for electrosurgical tissue treatment |
US7300436B2 (en) | 2000-02-22 | 2007-11-27 | Rhytec Limited | Tissue resurfacing |
BRPI0706605B8 (pt) * | 2006-01-17 | 2021-06-22 | Endymed Medical Ltd | sistema eletrocirúrgico empregando energia de radiofreqüência com fase controlada |
GB0624658D0 (en) | 2006-12-11 | 2007-01-17 | Medical Device Innovations Ltd | Electrosurgical ablation apparatus and a method of ablating biological tissue |
DK2599506T3 (en) | 2007-11-06 | 2018-10-08 | Creo Medical Ltd | Microwave Plasma Masterization Applicator |
GB201021032D0 (en) | 2010-12-10 | 2011-01-26 | Creo Medical Ltd | Electrosurgical apparatus |
GB2487199A (en) * | 2011-01-11 | 2012-07-18 | Creo Medical Ltd | Electrosurgical device with fluid conduit |
GB201100443D0 (en) | 2011-01-11 | 2011-02-23 | Creo Medical Ltd | Electrosurgical instrument |
GB201308558D0 (en) * | 2013-05-13 | 2013-06-19 | Creo Medical Ltd | Electrosurgical apparatus |
GB2521611B (en) * | 2013-12-23 | 2020-02-12 | Creo Medical Ltd | Electrosurgical apparatus and electrosurgical device |
GB2547941A (en) * | 2016-03-04 | 2017-09-06 | Creo Medical Ltd | Electrosurgical instrument |
-
2013
- 2013-05-13 GB GBGB1308558.4A patent/GB201308558D0/en not_active Ceased
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU199430U1 (ru) * | 2020-02-06 | 2020-09-01 | Общество с ограниченной ответственностью фирма "ТЕХНОСВЕТ" | Универсальная установка для комплексного разрушения биоткани |
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