JP6199949B2 - 外科血管封止用の高周波発生器システム - Google Patents
外科血管封止用の高周波発生器システム Download PDFInfo
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- JP6199949B2 JP6199949B2 JP2015244121A JP2015244121A JP6199949B2 JP 6199949 B2 JP6199949 B2 JP 6199949B2 JP 2015244121 A JP2015244121 A JP 2015244121A JP 2015244121 A JP2015244121 A JP 2015244121A JP 6199949 B2 JP6199949 B2 JP 6199949B2
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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
- A61B18/1233—Generators therefor with circuits for assuring patient safety
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/539—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters with automatic control of output wave form or frequency
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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
- A61B18/14—Probes or electrodes therefor
- A61B18/1442—Probes having pivoting end effectors, e.g. forceps
-
- 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
- A61B2018/0063—Sealing
-
- 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
- A61B2018/00702—Power or energy
-
- 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
- A61B2018/00779—Power or energy
-
- 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
- A61B2018/00827—Current
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
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- Heart & Thoracic Surgery (AREA)
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- General Health & Medical Sciences (AREA)
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- Plasma & Fusion (AREA)
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Description
Claims (11)
- 電気外科器具に電力を供給する方法であって、
電力供給装置が、一定の駆動周波数を有する非正弦波駆動電圧を発生させるステップと、
該電力供給装置が、前記一定の駆動周波数の2倍の共振周波数を有する直列LC回路に前記非正弦波駆動電圧を供給するステップと、
該電力供給装置が、前記非正弦波駆動電圧によって前記直列LC回路内に準正弦波電流を発生させるステップと、
該電力供給装置が、電気出力に前記準正弦波電流を供給するステップであって、該電気出力は約75ボルトの最大しきい電圧と約1.8アンペアの最大しきい電流とを有し、該電気出力はバイポーラ組織封止外科器具の電気入力に接続するように構成されている、ステップと、
を有し、
該電気出力及び該組織封止外科器具へ電力を供給している間に負荷インピーダンスが低下するとき、電流が増加するのが許容されるとともに電圧が低下するのが許容され、
前記非正弦波駆動電圧はパルス波形であり、且つ、
前記非正弦波駆動電圧は矩形波であり、
該方法は、該電力供給装置が、前記直列LC回路の共振サイクルごとに1回生じる期間中に、前記直列LC回路に蓄積されているすべてのエネルギを放電するステップ、を更に有する、方法。 - 該電力供給装置が、前記直列LC回路内の前記準正弦波電流に対して、電流スパイクを制限するインピーダンスを呈するステップを更に有する、請求項1に記載の方法。
- 該電力供給装置が、前記直列LC回路内の前記準正弦波電流が、前記矩形波のスイッチング中に0アンペアに近づくように、前記直列LC回路の共振サイクルごとに1回生じる前記期間中に、前記直列LC回路に蓄積されているすべてのエネルギを放電するステップを更に有する、請求項1に記載の方法。
- 前記期間は前記矩形波の半サイクルごとの第2半期である、請求項3に記載の方法。
- 電気外科器具に電力を供給する方法であって、
電力供給装置が、一定の駆動周波数を有する非正弦波駆動電圧を発生させるステップと、
該電力供給装置が、前記一定の駆動周波数の2倍の共振周波数を有する直列LC回路に前記非正弦波駆動電圧を供給するステップであって、前記の第1の発生ステップ及び前記供給ステップは電力供給器によって実行される、ステップと、
該電力供給装置が、前記非正弦波駆動電圧から準正弦波電流を発生させるステップと、
該電力供給装置が、エネルギを前記電力供給器に還流させることによって、前記直列LC回路を周期的に放電させるステップと、
該電力供給装置が、電気出力に前記準正弦波電流を供給するステップであって、該電気出力は約75ボルトの最大しきい電圧と約1.8アンペアの最大しきい電流とを有し、該電気出力はバイポーラ組織封止外科器具の電気入力に接続するように構成されている、ステップと、
を有し、該電気出力及び該組織封止外科器具へ電力を供給している間に負荷インピーダンスが低下するとき、電流が増加するのが許容されるとともに電圧が低下するのが許容される、方法。 - 前記準正弦波電流のサイクルごとの期間に、エネルギが前記電力供給器に還流される、請求項5に記載の方法。
- 前記非正弦波駆動電圧はパルスである、請求項6に記載の方法。
- 前記期間は、前記準正弦波電流のサイクルごとの第2半期である、請求項7に記載の方法。
- 前記電力供給器は、DC電流をパルス発生器へ供給し及びパルス発生器から受領するように構成された降圧・昇圧変換器を有し、該DC電流の振幅が該電力供給器の可変振幅を制御する、請求項5に記載の方法。
- 該電力供給装置が、電気外科器具に電力を供給するステップであって、該電力が患者の血管封止を達成するように構成されている、ステップ、を更に有する、請求項1に記載の方法。
- 該電力供給装置が、電気外科器具に電力を供給するステップであって、該電力が患者の血管封止を達成するように構成されている、ステップ、を更に有する、請求項5に記載の方法。
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US40576110P | 2010-10-22 | 2010-10-22 | |
US61/405,761 | 2010-10-22 | ||
US13/277,979 US9039694B2 (en) | 2010-10-22 | 2011-10-20 | RF generator system for surgical vessel sealing |
US13/277,979 | 2011-10-20 |
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JP2015244121A Active JP6199949B2 (ja) | 2010-10-22 | 2015-12-15 | 外科血管封止用の高周波発生器システム |
JP2017161123A Active JP6571731B2 (ja) | 2010-10-22 | 2017-08-24 | 外科血管封止用の高周波発生器システム |
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US (4) | US9039694B2 (ja) |
EP (2) | EP3750499B1 (ja) |
JP (3) | JP2013543745A (ja) |
WO (1) | WO2012054791A1 (ja) |
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2011
- 2011-10-20 US US13/277,979 patent/US9039694B2/en active Active
- 2011-10-21 JP JP2013535106A patent/JP2013543745A/ja not_active Withdrawn
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WO2012054791A1 (en) | 2012-04-26 |
US20200093532A1 (en) | 2020-03-26 |
EP3750499A1 (en) | 2020-12-16 |
US10342599B2 (en) | 2019-07-09 |
US20150230854A1 (en) | 2015-08-20 |
US9649149B2 (en) | 2017-05-16 |
EP2629689B1 (en) | 2020-09-09 |
JP2017202385A (ja) | 2017-11-16 |
JP6571731B2 (ja) | 2019-09-04 |
US20120098351A1 (en) | 2012-04-26 |
JP2013543745A (ja) | 2013-12-09 |
EP2629689A1 (en) | 2013-08-28 |
JP2016040002A (ja) | 2016-03-24 |
EP2629689A4 (en) | 2017-11-29 |
US20170281258A1 (en) | 2017-10-05 |
EP3750499B1 (en) | 2023-06-14 |
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