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公开(公告)号：US20170231684A1
公开(公告)日：2017-08-17
申请号：US15585308
申请日：2017-05-03
Applicant: COVIDIEN LP
Inventor： JOSHUA H. JOHNSON , JAMES A. GILBERT
CPC classification number: A61B18/1206 , A61B18/16 , A61B2018/00577 , A61B2018/00589 , A61B2018/00601 , A61B2018/0063
Abstract: The present disclosure is directed to an electrosurgical generator including a tank configured to output energy and an H-bridge configured to drive the tank. The generator also includes a choke. The choke impedes a common mode current generated by the H-bridge and provides a leakage inductance for the tank.
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公开(公告)号：US20170065328A1
公开(公告)日：2017-03-09
申请号：US15354322
申请日：2016-11-17
Applicant: COVIDIEN LP
Inventor： ROBERT H. WHAM , JAMES A. GILBERT , CRAIG A. KELLER , BRIAN L. ROBERTS
CPC classification number: A61B18/1206 , A61B18/1402 , A61B2018/00702 , A61B2018/00755 , A61B2018/00779 , A61B2018/00827 , A61B2018/00869 , A61B2018/00892 , A61B2018/1213
Abstract: Controlling a level of electrosurgical energy provided to tissue based on detected arcing patterns or impedance changes. The drag force imposed on an electrode or blade of an electrosurgical instrument may be controlled by adjusting the level of electrosurgical energy based on the arcing patterns or impedance changes. The arcing patterns or impedance changes may be detected by sensing and analyzing voltage and/or current waveforms of the electrosurgical energy. The current and/or voltage waveform analysis may involve calculating impedance based on the voltage and current waveforms and calculating changes in impedance over time. The waveform analysis may involve detecting harmonic distortion using FFTs, DFTs, Goertzel filters, polyphase demodulation techniques, and/or bandpass filters. The waveform analysis may involve determining a normalized difference or the average phase difference between the voltage and current waveforms.
Abstract translation: 基于检测到的电弧图案或阻抗变化来控制提供给组织的电外科能量水平。 施加在电外科器械的电极或刀片上的阻力可以通过基于电弧图案或阻抗变化来调节电外科能量的水平来控制。 可以通过感测和分析电外科能量的电压和/或电流波形来检测电弧图案或阻抗变化。 电流和/或电压波形分析可以包括基于电压和电流波形计算阻抗并计算阻抗随时间的变化。 波形分析可能涉及使用FFT，DFT，Goertzel滤波器，多相解调技术和/或带通滤波器来检测谐波失真。 波形分析可以包括确定归一化差或电压和电流波形之间的平均相位差。
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公开(公告)号：US20150133913A1
公开(公告)日：2015-05-14
申请号：US14603481
申请日：2015-01-23
Applicant: COVIDIEN LP
Inventor： JAMES A. GILBERT , CALVIN S. BROMFIELD, JR.
IPC: A61B18/12
CPC classification number: A61B18/1206 , A61B2018/1273 , A61B2018/1293
Abstract: An electrosurgical system includes an electrosurgical generator, a power source configured to deliver power to at least one load connected to the generator, a master configured to generate an initial pulse, and a plurality of slaves connected in series to the master. The initial pulse cooperates with a first floating power supply configured to create an electrical connection between at least one first load and the power source. A first slave is configured to generate a subsequent pulse based on the initial pulse. The subsequent pulse cooperates with a second floating power supply configured to create an electrical connection between at least one second load and the power source. The subsequent pulse is configured to cause an ensuing slave to generate an additional pulse. The additional pulse cooperates with a corresponding floating power supply configured to create an electrical connection between at least one additional load and the power source.
Abstract translation: 电外科系统包括电外科发生器，被配置为向连接到发生器的至少一个负载输送功率的电源，被配置为产生初始脉冲的主器件以及与主器件串联连接的多个从器件。 初始脉冲与配置成在至少一个第一负载和电源之间产生电连接的第一浮动电源配合。 第一从机被配置为基于初始脉冲产生后续脉冲。 随后的脉冲与配置成在至少一个第二负载和电源之间产生电连接的第二浮动电源配合。 随后的脉冲被配置为使随后的从器件产生附加脉冲。 附加脉冲与配置成在至少一个附加负载和电源之间产生电连接的相应浮动电源配合。
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公开(公告)号：US20140276753A1
公开(公告)日：2014-09-18
申请号：US14182797
申请日：2014-02-18
Applicant: COVIDIEN LP
Inventor： ROBERT H. WHAM , JAMES A. GILBERT , CRAIG A. KELLER , BRIAN L. ROBERTS
IPC: A61B18/18
CPC classification number: A61B18/1206 , A61B18/1402 , A61B2018/00702 , A61B2018/00755 , A61B2018/00779 , A61B2018/00827 , A61B2018/00869 , A61B2018/00892 , A61B2018/1213
Abstract: The systems and methods of the present disclosure detect arcing patterns or impedance changes and adjust the level of electrosurgical energy provided to tissue based on the detected arcing patterns or impedance changes. In embodiments, the drag force imposed on the electrode or blade of an electrosurgical instrument may be controlled by adjusting the level of electrosurgical energy based on the detected arcing patterns or impedance changes. The arcing patterns or impedance changes may be detected by sensing voltage and/or current waveforms of the electrosurgical energy and analyzing the sensed voltage and/or current waveforms. The current and/or voltage waveform analysis may involve calculating impedance based on the sensed voltage and current waveforms and calculating changes in impedance over time. The waveform analysis may involve detecting harmonic distortion using FFTs, DFTs, Goertzel filters, polyphase demodulation techniques, and/or bandpass filters. The waveform analysis may involve determining a normalized difference or the average phase difference between the voltage and current waveforms.
Abstract translation: 本公开的系统和方法基于检测到的电弧图案或阻抗变化来检测电弧图案或阻抗变化并且调整提供给组织的电外科能量的水平。 在实施例中，施加在电外科器械的电极或刀片上的牵引力可以通过基于检测到的电弧图案或阻抗变化来调节电外科能量的水平来控制。 可以通过感测电外科能量的电压和/或电流波形并分析感测的电压和/或电流波形来检测电弧图案或阻抗变化。 电流和/或电压波形分析可以包括基于感测的电压和电流波形来计算阻抗，并计算阻抗随时间的变化。 波形分析可能涉及使用FFT，DFT，Goertzel滤波器，多相解调技术和/或带通滤波器来检测谐波失真。 波形分析可以包括确定归一化差或电压和电流波形之间的平均相位差。
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15.发明申请公开(公告)号：US20140258800A1
公开(公告)日：2014-09-11
申请号：US14147312
申请日：2014-01-03
Applicant: COVIDIEN LP
Inventor： JAMES A. GILBERT
IPC: G01R31/3193
CPC classification number: A61B18/1206 , A61B18/1233 , A61B18/1402 , A61B18/1492 , A61B2017/00725 , G01R31/2843
Abstract: An electrosurgical generator includes primary and test sources. The primary source supplies a primary signal and the test source supplies a test signal. The electrosurgical generator includes an output circuit and an abnormality detection circuit. The output circuit is electrically coupled to the primary and test sources. The output circuit receives the primary and test signals from the primary and test sources, respectively. The output circuit is electrically coupled to a load to supply the primary signal thereto. The abnormality detection circuit is electrically coupled to the output circuit to detect an abnormality therein as a function of the test signal. The abnormality detection circuit can also determine a location of the abnormality within the output circuit.
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Patent Agency Ranking
公开(公告)号：US20170333109A1
公开(公告)日：2017-11-23
申请号：US15161400
申请日：2016-05-23
Applicant: COVIDIEN LP
Inventor： JAMES A. GILBERT
CPC classification number: A61B18/1206 , A61B18/1492 , A61B2018/00577 , A61B2018/00613 , A61B2018/00642 , A61B2018/00702 , A61B2018/00732 , A61B2018/00779 , A61B2018/1253 , A61B2018/126 , A61B2018/128 , A61B2018/1286
Abstract: An electrosurgical generator is disclosed. The electrosurgical generator includes: a power supply configured to output DC power; an inverter coupled to the power supply, the inverter including a plurality of switching elements; and a controller coupled to the inverter and configured to signal the inverter to simultaneously generate based on the DC power a radio frequency heating waveform and an electroporation waveform.
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公开(公告)号：US20170000549A1
公开(公告)日：2017-01-05
申请号：US14754855
申请日：2015-06-30
Applicant: COVIDIEN LP
Inventor： JAMES A. GILBERT , DANIEL A. FRIEDRICHS
IPC: A61B18/12
CPC classification number: A61B18/1233 , A61B18/1402 , A61B18/1445 , A61B2018/00642 , A61B2018/00702 , A61B2018/00726 , A61B2018/00732 , A61B2018/00761 , A61B2018/00779 , A61B2018/00791 , A61B2018/00827 , A61B2018/00875 , A61B2018/00892 , A61B2018/1253 , A61B2018/126 , A61B2018/1286 , H02M7/53871 , H02M2001/007
Abstract: A system for minimizing neuromuscular stimulation includes a converter, an inverter, and a controller. The converter is configured to output a dc waveform and includes at least one first switching element operated at a first duty cycle. The inverter is coupled to the converter and includes at least one second switching element operated at a second duty cycle. The inverter is configured to invert the DC waveform to generate an electrosurgical pulse waveform. The controller is coupled to the converter and the inverter, and is configured to control the first duty cycle to adjust a magnitude of the electrosurgical pulse waveform and the second duty cycle to adjust at least one property of the electrosurgical pulse waveform to minimize neuromuscular stimulation.
Abstract translation: 用于最小化神经肌肉刺激的系统包括转换器，逆变器和控制器。 转换器被配置为输出直流波形并且包括以第一占空比操作的至少一个第一开关元件。 逆变器耦合到转换器并且包括以第二占空比操作的至少一个第二开关元件。 逆变器被配置为反转DC波形以产生电外科脉搏波形。 控制器耦合到转换器和逆变器，并且被配置为控制第一占空比以调整电外科脉搏波形和第二占空比的大小，以调整电外科脉搏波形的至少一个特性以使神经肌肉刺激最小化。
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公开(公告)号：US20150105768A1
公开(公告)日：2015-04-16
申请号：US14447049
申请日：2014-07-30
Applicant: COVIDIEN LP
Inventor： JAMES A. GILBERT , PATRICK J. DIGMANN , STEVEN C. RUPP
IPC: A61B18/12
CPC classification number: A61B18/1233 , A61B18/1206 , A61B2018/00577 , A61B2018/00589 , A61B2018/00601 , A61B2018/0063 , A61B2018/00648 , A61B2018/00702 , A61B2018/00779 , A61B2018/00827 , A61B2018/00869 , A61B2018/00892
Abstract: The electrosurgical systems and methods of the present disclosure monitor power dosage delivered to tissue being treated with improved speed and accuracy. The electrosurgical systems include an output stage, sensors, analog all-pass filters, an analog multiplier, an average power calculation circuit, and a controller. The output stage generates electrosurgical energy to treat tissue. The plurality of sensors sense voltage and current waveforms of the generated electrosurgical energy. The plurality of analog all-pass filters filter the sensed voltage and current waveforms. The plurality of analog all-pass filter may have lagging or leading phase. The analog multiplier multiplies the filtered voltage and current waveforms to obtain a real power waveform. The average power calculation circuit calculates a real average power based on the real power waveform. The controller then generates a control signal to control the output stage based on the real average power.
Abstract translation: 本公开的电外科系统和方法监测以改进的速度和精确度递送到待治疗组织的功率剂量。 电外科系统包括输出级，传感器，模拟全通滤波器，模拟乘法器，平均功率计算电路和控制器。 输出阶段产生电外科能量来治疗组织。 多个传感器检测所产生的电外科能量的电压和电流波形。 多个模拟全通滤波器对感测到的电压和电流波形进行滤波。 多个模拟全通滤波器可以具有滞后或超前相位。 模拟乘法器将滤波的电压和电流波形相乘以获得有功功率波形。 平均功率计算电路根据实际功率波形来计算实际平均功率。 然后，控制器产生控制信号，以基于实际的平均功率来控制输出级。
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公开(公告)号：US20150105767A1
公开(公告)日：2015-04-16
申请号：US14446914
申请日：2014-07-30
Applicant: COVIDIEN LP
Inventor： JOSHUA H. JOHNSON , JAMES A. GILBERT
IPC: A61B18/12
CPC classification number: A61B18/1206 , A61B2018/1286 , H01F27/006 , H02M7/48 , H02M7/53871 , H02M2007/4815 , Y02B70/1441
Abstract: The present disclosure is directed to an electrosurgical generator including a resonant inverter having an H-bridge and a tank. The tank includes a transformer including a first core half, a second core half, a primary winding, and a secondary winding having a number of turns, wherein each turn is separated by a gap. The transformer is configured to provide a parallel capacitance based on the gap.
Abstract translation: 本公开涉及一种电外科发生器，其包括具有H桥和罐的谐振逆变器。 该箱包括一个包括第一芯半部，第二芯半部，初级绕组和具有多个匝数的次级绕组的变压器，其中每个匝由间隙分开。 变压器被配置为基于间隙提供并联电容。
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公开(公告)号：US20150105766A1
公开(公告)日：2015-04-16
申请号：US14445745
申请日：2014-07-29
Applicant: COVIDIEN LP
Inventor： JOSHUA H. JOHNSON , JAMES A. GILBERT
CPC classification number: A61B18/1206 , A61B2018/00732 , A61B2018/00875 , H02M7/53871 , H02M2007/4815 , Y02B70/1441
Abstract: The present disclosure is directed to an electrosurgical generator including a resonant inverter having an H-bridge and a tank. The generator also includes a pulse width modulation (PWM) controller configured to output PWM timing signals to the H-bridge. A switch is configured to select a modality from among a plurality of modalities and the PWM controller adjusts a frequency of the PWM timing signals based on the selected modality.
Abstract translation: 本公开涉及一种电外科发生器，其包括具有H桥和罐的谐振逆变器。 该发生器还包括一个配置成将PWM定时信号输出到H桥的脉宽调制（PWM）控制器。 开关被配置为从多个模态中选择模态，并且PWM控制器基于所选择的模态来调整PWM定时信号的频率。
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