JP5681142B2 - 組織抵抗に依存して電圧を制御する電気的作用によって組織を溶解又は凝固させる方法及び装置 - Google Patents
組織抵抗に依存して電圧を制御する電気的作用によって組織を溶解又は凝固させる方法及び装置 Download PDFInfo
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- JP5681142B2 JP5681142B2 JP2012105790A JP2012105790A JP5681142B2 JP 5681142 B2 JP5681142 B2 JP 5681142B2 JP 2012105790 A JP2012105790 A JP 2012105790A JP 2012105790 A JP2012105790 A JP 2012105790A JP 5681142 B2 JP5681142 B2 JP 5681142B2
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- 238000000034 method Methods 0.000 title claims description 30
- 230000001112 coagulating effect Effects 0.000 title description 2
- 230000015271 coagulation Effects 0.000 claims description 7
- 238000005345 coagulation Methods 0.000 claims description 7
- 230000009089 cytolysis Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 description 13
- 210000004204 blood vessel Anatomy 0.000 description 12
- 230000002792 vascular Effects 0.000 description 6
- 238000003860 storage Methods 0.000 description 5
- 230000003872 anastomosis Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002427 irreversible effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002934 lysing effect Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- 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
- A61B18/12—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00642—Sensing and controlling the application of energy with feedback, i.e. closed loop control
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00696—Controlled or regulated parameters
- A61B2018/00767—Voltage
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00875—Resistance or impedance
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B2018/00636—Sensing and controlling the application of energy
- A61B2018/00773—Sensed parameters
- A61B2018/00892—Voltage
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
Description
11 手段
11a 動作要素
11b 表示要素
12 器具
13 配線
14 ハンドル
15 ツール
16 電極
17 対電極
18 ハンドレバー
19 血管
20 プラグコネクタ
21 電源
22 高周波発生器
22a 高周波発生器22の出力
23 インピーダンスセンサ
24 電流センサ
25、26、27 信号経路
28、30 入力
29 特性ブロック
31 出力
32 信号経路
33 ブロック
35、36 壁部分
37、38 破線−段階2の始まり
39 典型的な特性
N 特性指数
ua 出力電圧
u0 開路電圧
i0 基準電流
sua 出力電圧信号
SRa インピーダンス信号
Ra 組織抵抗
Ra0 初期組織抵抗
Claims (4)
- 対電極(17)に接続され、かつ組織溶解又は組織凝固を行う少なくとも1つの電極(16)に電圧を供給する電源(21)と、前記電極(16)と前記対電極(17)との間に生じる電気的組織抵抗(Ra)を測定するインピーダンスセンサ(23)と、前記インピーダンスセンサ(23)で測定された前記電気的組織抵抗(Ra)を示すインピーダンス信号(SRa)に基づいて前記電源(21)が供給する出力電圧(ua)の大きさを決定する特性ブロック(29)と、を含む手段(11)の作動方法であって、
前記インピーダンスセンサ(23)が、前記電気的組織抵抗(Ra)を継続的に測定し、
前記特性ブロック(29)が、開路電圧(u0)と、基準電流(i0)と、ゼロでない正又は負の数である特性指数(N)とをパラメータとし、かつ前記電気的組織抵抗(Ra)、前記開路電圧(u0)、前記基準電流(i0)、及び前記特性指数(N)の関係を示す以下の式に従って、前記出力電圧(ua)を制御する、
方法。 - Nが整数であること、
を特徴とする請求項1に記載の方法。 - 前記方法を実行するための前記パラメータのうちの少なくとも1つを、器具認識手段によって特定すること、
を特徴とする請求項1に記載の方法。 - 前記電源(21)が高周波交流電圧を供給すること、
を特徴とする請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11164643.6 | 2011-05-03 | ||
EP11164643.6A EP2520241B1 (de) | 2011-05-03 | 2011-05-03 | Einrichtung zur Gewebefusion oder Koagulation durch gewebewiderstandsabhängig spannungsgeregelte elektrische Einwirkung |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014148578A Division JP2014223487A (ja) | 2011-05-03 | 2014-07-22 | 組織抵抗に依存して電圧を制御する電気的作用によって組織を溶解又は凝固させる装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012232141A JP2012232141A (ja) | 2012-11-29 |
JP5681142B2 true JP5681142B2 (ja) | 2015-03-04 |
Family
ID=44117681
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012105790A Active JP5681142B2 (ja) | 2011-05-03 | 2012-05-07 | 組織抵抗に依存して電圧を制御する電気的作用によって組織を溶解又は凝固させる方法及び装置 |
JP2014148578A Pending JP2014223487A (ja) | 2011-05-03 | 2014-07-22 | 組織抵抗に依存して電圧を制御する電気的作用によって組織を溶解又は凝固させる装置 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014148578A Pending JP2014223487A (ja) | 2011-05-03 | 2014-07-22 | 組織抵抗に依存して電圧を制御する電気的作用によって組織を溶解又は凝固させる装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9125658B2 (ja) |
EP (1) | EP2520241B1 (ja) |
JP (2) | JP5681142B2 (ja) |
CN (1) | CN102764152B (ja) |
PL (1) | PL2520241T3 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL2992848T3 (pl) | 2014-09-05 | 2023-03-13 | Erbe Elektromedizin Gmbh | Urządzenie do koagulacji stykowej tkanki biologicznej |
PL3620801T3 (pl) | 2018-09-07 | 2021-07-19 | Erbe Elektromedizin Gmbh | Przyrząd do zasilania instrumentu medycznego oraz sposób monitorowania instrumentu |
EP3965676A1 (en) | 2019-05-09 | 2022-03-16 | Gyrus ACMI, Inc. d/b/a Olympus Surgical Technologies America | Electrosurgical systems and methods |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4126137A (en) * | 1977-01-21 | 1978-11-21 | Minnesota Mining And Manufacturing Company | Electrosurgical unit |
DE3683647D1 (de) * | 1986-07-17 | 1992-03-05 | Erbe Elektromedizin | Hochfrequenz-chirurgiegeraet fuer die thermische koagulation biologischer gewebe. |
US5558671A (en) | 1993-07-22 | 1996-09-24 | Yates; David C. | Impedance feedback monitor for electrosurgical instrument |
US5720744A (en) * | 1995-06-06 | 1998-02-24 | Valleylab Inc | Control system for neurosurgery |
US5836943A (en) | 1996-08-23 | 1998-11-17 | Team Medical, L.L.C. | Electrosurgical generator |
DE19826958A1 (de) * | 1998-06-17 | 1999-12-23 | Lies Hans Dieter | Verfahren und Vorrichtung zum elektrochirurgischen Schneiden und Koagulieren |
US20100042093A9 (en) | 1998-10-23 | 2010-02-18 | Wham Robert H | System and method for terminating treatment in impedance feedback algorithm |
JP2003506134A (ja) | 1999-08-06 | 2003-02-18 | インテリクラフト・リミテツド | 組織凝固用装置 |
US7252664B2 (en) * | 2000-05-12 | 2007-08-07 | Cardima, Inc. | System and method for multi-channel RF energy delivery with coagulum reduction |
WO2002089686A1 (en) | 2001-05-10 | 2002-11-14 | Rita Medical Systems, Inc. | Rf tissue ablation apparatus and method |
US6733498B2 (en) | 2002-02-19 | 2004-05-11 | Live Tissue Connect, Inc. | System and method for control of tissue welding |
DE102004054575A1 (de) | 2004-11-11 | 2006-05-24 | Erbe Elektromedizin Gmbh | Regelung für ein HF-Chirurgiegerät |
ITPD20050023U1 (it) * | 2005-04-12 | 2006-10-13 | Tsem Spa | Impedenzimetro corporeo |
US8685016B2 (en) * | 2006-01-24 | 2014-04-01 | Covidien Ag | System and method for tissue sealing |
US20070282320A1 (en) | 2006-05-30 | 2007-12-06 | Sherwood Services Ag | System and method for controlling tissue heating rate prior to cellular vaporization |
US8162932B2 (en) | 2009-01-12 | 2012-04-24 | Tyco Healthcare Group Lp | Energy delivery algorithm impedance trend adaptation |
DE102009024612A1 (de) * | 2009-06-10 | 2010-12-16 | Erbe Elektromedizin Gmbh | Versorgungseinrichtung zur Bereitstellung einer HF-Ausgangsspannung, HF-Chirurgiegerät mit entsprechender Versorgungseinrichtung und Verfahren zum Betreiben einer HF-Generatoreinheit |
-
2011
- 2011-05-03 EP EP11164643.6A patent/EP2520241B1/de active Active
- 2011-05-03 PL PL11164643T patent/PL2520241T3/pl unknown
-
2012
- 2012-04-30 US US13/459,296 patent/US9125658B2/en active Active
- 2012-05-02 CN CN201210131736.3A patent/CN102764152B/zh active Active
- 2012-05-07 JP JP2012105790A patent/JP5681142B2/ja active Active
-
2014
- 2014-07-22 JP JP2014148578A patent/JP2014223487A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2012232141A (ja) | 2012-11-29 |
EP2520241B1 (de) | 2016-10-26 |
EP2520241A1 (de) | 2012-11-07 |
US9125658B2 (en) | 2015-09-08 |
CN102764152B (zh) | 2015-05-13 |
US20120283730A1 (en) | 2012-11-08 |
CN102764152A (zh) | 2012-11-07 |
PL2520241T3 (pl) | 2017-02-28 |
JP2014223487A (ja) | 2014-12-04 |
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