JP7387289B2 - 水性環境でプラズマを発生させるための装置 - Google Patents
水性環境でプラズマを発生させるための装置 Download PDFInfo
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/042—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating using additional gas becoming plasma
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- A—HUMAN NECESSITIES
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- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
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- A—HUMAN NECESSITIES
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- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
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- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
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- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
- A61B2018/00583—Coblation, i.e. ablation using a cold plasma
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- A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
- A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
- A61B18/1206—Generators therefor
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- A61B2018/1472—Probes or electrodes therefor for use with liquid electrolyte, e.g. virtual electrodes
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- Surgical Instruments (AREA)
- Plasma Technology (AREA)
Description
-発生器に動作電圧を印加するために当該発生器に接続される電源と、
-出口に供給される高周波電流を決定するための測定デバイスを含む、発生器および/または電源を制御するための制御デバイスとを備え、
制御デバイスは、出口に供給可能な最大高周波電流、または、出口に供給可能な電力を少なくともある期間特定し、電源および/または発生器を適切に制御するように設けられる。
11 生体組織
12 管腔
13 流体
14 装置
15 器具(一般的な参照を用いた)
15a~15e 器具(特定の参照を用いた)
16 出口
17 第1ライン
18 第2ライン
19 対向電極
20 電源
V、M ライン
Ub 動作電圧(例えば、600Vp)
21 発生器
22 測定デバイス
23 制御デバイス
24 電圧調整入力部
25 電流制限入力部
26 電力制限入力部
27 電極(一般的な参照を用いた)
27a~27e 電極(特定の参照を用いた)
R 抵抗
Rmin 抵抗Rの最小測定値
Ra~Re 器具固有の最小抵抗Rmin
28 プラズマ
I 器具固有の最大電流特性
P 器具固有の最大電力特性
ib 器具15bの最大電流
Pb 器具15bの最大電力
Pa 器具15aの最大電力
Ubb 器具15bの動作電圧
Uba 器具15aの動作電圧
tvz 点火試験時間(50ms~500s)
tw 待機時間間隔(0.5s~1s)
29 後の点火試験
30 時間的に前の点火試験
Claims (12)
- プラズマ(28)の作用により生体組織(11)を処置する医療器具(15)を提供するための装置(14)であって、前記医療器具(15)である器具(15)は、水性流体(13)に接触する電極(27)を有し、
それぞれ異なる電極形状を有する異なる前記器具(15)に接続可能な前記装置(14)の出口(16)に接続される、高周波交流電圧を出力するための発生器(21)と、
前記発生器(21)に動作電圧(Ub)を印加するために当該発生器(21)に接続される電源(20)と、
前記出口(16)に接続される前記器具(15)の電気抵抗(R)を決定するための測定デバイス(22)を有する、前記発生器(21)および/または前記電源(20)を制御するための制御デバイス(23)とを備え、
前記制御デバイス(23)は、前記動作電圧(Ub)、および/または前記器具(15)に出力される電力(P)、および/または測定された前記電気抵抗(Rmin)に適応した、前記器具(15)に供給可能な最大電流(i)を少なくともある期間(tzv)特定し、それに応じて前記電源(20)および/または前記発生器(21)を制御することで、前記器具(15)の前記水性流体(13)に浸漬されており、点火されていない前記電極(27)における測定された最小抵抗(Rmin)に応じた点火工程を前記器具(15)に適応させるように設けられる
装置。 - 前記電源(20)は、前記制御デバイス(23)に接続される電圧調整入力部(24)を有する
請求項1に記載の装置。 - 前記電源(20)および/または前記発生器(21)は、前記制御デバイス(23)に接続される電流制限入力部(25)を有する
請求項1または2に記載の装置。 - 前記電源(20)および/または前記発生器(21)は、前記制御デバイス(23)に接続される電力制限入力部(26)を有する
請求項1~3のいずれか1項に記載の装置。 - 前記制御デバイス(23)は、前記発生器(21)によって前記器具(15)に供給される前記高周波交流電圧により前記器具(15)においてプラズマ(28)が発生する点火試験の開始を検出するように設けられる動作状態検出部を含む
請求項1~4のいずれか1項に記載の装置。 - 前記制御デバイス(23)は、前記発生器(21)によって前記器具(15)に供給される前記高周波交流電圧により前記器具(15)においてプラズマ(28)が発生する点火試験中、前記点火試験後の動作中よりも大きい、前記動作電圧(Ub)の公称値を特定するように設けられる
請求項1~5のいずれか1項に記載の装置。 - 前記制御デバイス(23)は、前記発生器(21)によって前記器具(15)に供給される前記高周波交流電圧により前記器具(15)においてプラズマ(28)が発生した点火試験の終了または前記プラズマの消滅を検出するように設けられる動作状態検出部を含む
請求項1~6のいずれか1項に記載の装置。 - 前記制御デバイス(23)は、前記発生器(21)によって前記器具(15)に供給される前記高周波交流電圧により前記器具(15)においてプラズマ(28)が発生しない点火試験の終了を検出するように設けられる動作状態検出部を含む
請求項1~7のいずれか1項に記載の装置。 - 前記制御デバイス(23)は、点火試験が失敗した後、待機段階(tW)中に特定の休止間隔を維持し、次いで、別の点火試験を開始するように設けられる
請求項1~8のいずれか1項に記載の装置。 - 前記制御デバイス(23)は、前記器具(15)に供給される電気仕事(W)を検出するように設けられる
請求項9に記載の装置。 - 前記制御デバイス(23)は、管腔(12)内に置かれた器具(15)が前記生体組織(11)の方へ接近するのを検出し、前記制御デバイス(23)が前記待機段階(tW)にある場合、前記待機段階(tW)を中断し、別の点火試験を開始するように設けられる
請求項9または10に記載の装置。 - 前記制御デバイス(23)は、前記動作電圧(Ub)、および/または前記器具(15)に供給可能な前記電力(P)、および/または前記プラズマ(28)の点火前に測定された前記電気抵抗(Rmin)に適応した、点火段階後の動作段階中に前記器具(15)に供給可能な最大電流(i)を特定し、それに応じて前記電源(20)および/または前記発生器(21)を制御するように設けられる
請求項1~11のいずれか1項に記載の装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18172105.1A EP3569171B1 (de) | 2018-05-14 | 2018-05-14 | Vorrichtung und verfahren zum vorgeben von betriebsparametern zur erzeugung eines plasmas in wässriger umgebung |
EP18172105.1 | 2018-05-14 |
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JP2019198641A JP2019198641A (ja) | 2019-11-21 |
JP7387289B2 true JP7387289B2 (ja) | 2023-11-28 |
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Country Status (7)
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US (1) | US11684405B2 (ja) |
EP (1) | EP3569171B1 (ja) |
JP (1) | JP7387289B2 (ja) |
KR (1) | KR20190130491A (ja) |
CN (1) | CN110478030B (ja) |
BR (1) | BR102019003926A2 (ja) |
PL (1) | PL3569171T3 (ja) |
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WO2018144580A1 (en) | 2017-02-01 | 2018-08-09 | Chemeon Surface Technology, Llc | Dyed trivalent chromium conversion coatings and methods of using same |
US11304750B2 (en) * | 2017-08-09 | 2022-04-19 | The Penn State Research Foundation | Low-temperature plasma catheter for less-invasive, localized treatment of endocarditis and atherosclerosis |
DE102020215103A1 (de) | 2020-12-01 | 2022-06-02 | BSH Hausgeräte GmbH | Verfahren zum Ansteuern einer Plasmaquelle eines handführbaren Geräts und handführbares Gerät |
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2018
- 2018-05-14 EP EP18172105.1A patent/EP3569171B1/de active Active
- 2018-05-14 PL PL18172105.1T patent/PL3569171T3/pl unknown
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US20050177150A1 (en) | 2003-01-09 | 2005-08-11 | Gyrus Medical Limited | Electrosurgical generator |
JP2012223585A (ja) | 2011-04-21 | 2012-11-15 | Erbe Elektromedizin Gmbh | 切開を改良する電気外科装置 |
JP2016513579A (ja) | 2013-03-15 | 2016-05-16 | レトロバスキュラー インコーポレイテッド | 組織焼灼の測定及び制御のための方法 |
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EP3569171C0 (de) | 2024-03-13 |
RU2019113720A3 (ja) | 2021-12-27 |
RU2019113720A (ru) | 2021-05-28 |
EP3569171B1 (de) | 2024-03-13 |
CN110478030B (zh) | 2022-09-27 |
US20190343572A1 (en) | 2019-11-14 |
EP3569171A1 (de) | 2019-11-20 |
CN110478030A (zh) | 2019-11-22 |
BR102019003926A2 (pt) | 2019-11-26 |
US11684405B2 (en) | 2023-06-27 |
JP2019198641A (ja) | 2019-11-21 |
PL3569171T3 (pl) | 2024-06-10 |
KR20190130491A (ko) | 2019-11-22 |
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