JP2012501696A - 手術器用高周波発生器 - Google Patents
手術器用高周波発生器 Download PDFInfo
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- JP2012501696A JP2012501696A JP2011525424A JP2011525424A JP2012501696A JP 2012501696 A JP2012501696 A JP 2012501696A JP 2011525424 A JP2011525424 A JP 2011525424A JP 2011525424 A JP2011525424 A JP 2011525424A JP 2012501696 A JP2012501696 A JP 2012501696A
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- 239000004065 semiconductor Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 238000011084 recovery Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- 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
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L5/00—Automatic control of voltage, current, or power
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- 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
- A61B2018/00571—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
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- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
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- 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
- A61B2018/00892—Voltage
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- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Otolaryngology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Inverter Devices (AREA)
- Dc-Dc Converters (AREA)
- Surgical Instruments (AREA)
Abstract
Description
2 整流器
3 電源または直流/直流コンバータ
4 機器
5 中性電極
10 電力発振器
11 駆動回路
12 変圧器
20 コントローラ
21 設定値発生器
22 実効値検出器
Claims (13)
- 整流された電気エネルギを供給するための電源(3)と、
電位フリー、直流電流フリー、かつ直流電圧フリーの高周波電圧(UHF)を提供するための電力発振器(10)と、
前記高周波電圧(UHF)を制御するための制御装置(20)と、
を備える、手術器用高周波発生器であって、
前記電源(3)は、負荷に依存しない出力電流を供給するための電流源として構成され、その目標値は、前記電源(3)の負荷に依存しない出力電流が高周波電圧(UHF)を制御するための制御変数として作用するように、前記制御装置(20)によって予め定められている、
ことを特徴とする、手術器用高周波発生器 - 前記電源(3)は、幹線交流電圧を本質的に一定な直流電圧に変換するための幹線整流装置(2)と、調整可能な整流エネルギを供給するための中間回路と、を備える、ことを特徴とする、請求項1に記載の手術器用高周波装置。
- 前記電源(3)は、降圧コンバータを備える、ことを特徴とする、請求項1または2に記載の手術器用高周波発生器。
- 前記電源は、電位分離順方向コンバータを備える、ことを特徴とする、請求項1または2に記載の手術器用高周波発生器。
- 前記電源(3)は出力コンデンサを含まないことを特徴とする、請求項1〜4のいずれか1項、特には請求項3または4に記載の手術器用高周波装置。
- 前記制御装置(20)は、有限の調節時間を有する制御システム、特にはデッドビート制御を備える、ことを特徴とする、請求項1〜5のいずれか1項に記載の手術器用高周波装置。
- 前記電力発振器(11)は、Hブリッジ(T1o、T1uとT2o、T2u)として構成されたパワーエレクトロニクス駆動回路を備える、ことを特徴とする、請求項1〜6のいずれか1項に記載の手術器用高周波発生器。
- 前記半導体回路素子に直列にダイオードが設けられている、ことを特徴とする、請求項1〜7のいずれか1項、特には請求項7に記載の手術器用高周波発生器。
- 前記駆動回路は、エネルギ回復動作において、リアクタンス部品に蓄積されたエネルギが前記電源(3)にフィードバックされるように構成されている、ことを特徴とする、請求項1〜8のいずれか1項、特には請求項7に記載の手術器用高周波発生器。
- 前記駆動回路は、前記半導体回路素子(T1o、T1uとT2o、T2u)がふたつひと組で、位相同期共振して制御されるように構成されている、ことを特徴とする、請求項1〜9のいずれか1項、特には請求項7に記載の手術器用高周波発生器。
- 手術器用高周波発生器における高周波電圧を発生させる方法であって、
電源において整流された電気エネルギを生成し、
電位フリー、直流電流フリー、または直流電圧フリーの制限された高周波電圧を生成する、
ことを含み、
前記電源は、前記電源の負荷に依存しない出力電流が、前記制御変数として前記高周波電圧を制限するように、所定の目標値を有する負荷に依存しない出力電流を供給する、
ことを特徴とする、方法。 - 前記電源は、有限の調節時間を有する制御システム、特にはデッドビート制御器によって制限される、ことを特徴とする、請求項11に記載の方法。
- エネルギ回復動作において、リアクタンス部品に蓄積されたエネルギが前記電源にフィードバックされる、ことを特徴とする、請求項11または12のいずれか1項に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008046247.0 | 2008-09-08 | ||
DE102008046247 | 2008-09-08 | ||
DE102008058737.0A DE102008058737B4 (de) | 2008-09-08 | 2008-11-24 | HF-Chirurgiegenerator |
DE102008058737.0 | 2008-11-24 | ||
PCT/EP2009/005797 WO2010025807A1 (de) | 2008-09-08 | 2009-08-10 | Hf-chirurgiegenerator |
Publications (3)
Publication Number | Publication Date |
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JP2012501696A true JP2012501696A (ja) | 2012-01-26 |
JP2012501696A5 JP2012501696A5 (ja) | 2012-08-02 |
JP6073059B2 JP6073059B2 (ja) | 2017-02-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011525424A Expired - Fee Related JP6073059B2 (ja) | 2008-09-08 | 2009-08-10 | 手術器用高周波電流提供器及び方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9168083B2 (ja) |
EP (1) | EP2349041B1 (ja) |
JP (1) | JP6073059B2 (ja) |
CN (1) | CN102149345B (ja) |
DE (1) | DE102008058737B4 (ja) |
PL (1) | PL2349041T3 (ja) |
WO (1) | WO2010025807A1 (ja) |
Cited By (2)
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JP2015077402A (ja) * | 2013-10-16 | 2015-04-23 | コヴィディエン リミテッド パートナーシップ | 共振インバーター |
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JP2015043684A (ja) * | 2013-06-24 | 2015-03-05 | コヴィディエン リミテッド パートナーシップ | 共振インバーターのデッドタイム最適化 |
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JP2015077402A (ja) * | 2013-10-16 | 2015-04-23 | コヴィディエン リミテッド パートナーシップ | 共振インバーター |
US10188446B2 (en) | 2013-10-16 | 2019-01-29 | Covidien Lp | Resonant inverter |
Also Published As
Publication number | Publication date |
---|---|
DE102008058737B4 (de) | 2019-12-12 |
CN102149345A (zh) | 2011-08-10 |
DE102008058737A1 (de) | 2010-04-15 |
EP2349041B1 (de) | 2018-04-25 |
PL2349041T3 (pl) | 2018-10-31 |
WO2010025807A1 (de) | 2010-03-11 |
US9168083B2 (en) | 2015-10-27 |
JP6073059B2 (ja) | 2017-02-01 |
EP2349041A1 (de) | 2011-08-03 |
CN102149345B (zh) | 2014-02-19 |
US20110170321A1 (en) | 2011-07-14 |
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