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    • 3. 发明授权
    • High-frequency treatment based upon a calculated impedance
    • 基于计算阻抗的高频处理
    • US08142429B2
    • 2012-03-27
    • US12244920
    • 2008-10-03
    • Akinori KabayaTakashi Mihori
    • Akinori KabayaTakashi Mihori
    • A61B18/18
    • A61B18/1206A61B18/1442A61B2018/00678A61B2018/00875A61B2018/128
    • A high-frequency treatment apparatus includes a treatment high-frequency wave output unit configured to output a treatment high-frequency wave to be applied to a treatment target living tissue, a detection unit for detecting an impedance of the treatment target living tissue, and a control unit configured to control the treatment high-frequency wave output unit on the basis of the result of the detection in the detection unit, the control unit configured to set a treatment frequency of the treatment high-frequency wave to a first treatment frequency in order to treat the living tissue primarily by Joule heat when the impedance of the treatment target living tissue is lower than a threshold value and to set the treatment frequency to a second treatment frequency higher than the first treatment frequency in order to treat the living tissue primarily by high-frequency dielectric heating when the impedance of the treatment target living tissue is higher than the threshold value.
    • 一种高频处理装置,具备:处理用高频波输出单元,被配置为输出要施加到处理对象的生物体组织的处理高频波;检测单元,用于检测处理对象的生物体组织的阻抗;以及 控制单元,其被配置为基于检测单元中的检测结果来控制处理高频波输出单元,所述控制单元被配置为按照顺序将治疗高频波的治疗频率设置为第一治疗频率 当治疗目标生物组织的阻抗低于阈值时,主要通过焦耳热处理生物体组织,并将治疗频率设定为高于第一治疗频率的第二治疗频率,以主要对待生物体组织 当处理靶生物组织的阻抗高于阈值时,进行高频电介质加热。
    • 4. 发明授权
    • High-frequency power supply device and electrosurgical device
    • 高频电源装置及电外科装置
    • US07744593B2
    • 2010-06-29
    • US11593299
    • 2006-11-06
    • Takashi Mihori
    • Takashi Mihori
    • A61B18/10A61B18/12
    • A61B18/1206A61B2018/00702A61B2018/00779A61B2018/00869A61B2018/00875
    • A high-frequency power supply device and an electrosurgical device are provided which can automatically control the output of an appropriate high-frequency current in accordance with the condition of a biological tissue to be treated. A phase detection unit detects respective phases of a high-frequency voltage and a high-frequency current outputted in a high-frequency power generation unit, and thereafter a phase difference calculation unit calculates the phase difference based on the respective phases. Meanwhile, an impedance calculation unit calculates the impedance on the basis of respective magnitudes of the high-frequency voltage and the high-frequency current. In this case, on the basis of at least one of the impedance and the phase difference and the output state of an instruction signal, a control unit performs a control to output a high-frequency voltage and a high-frequency current having a predetermined waveform. Accordingly, the output of the appropriate high-frequency current can be automatically controlled.
    • 提供了一种高频电源装置和电外科装置,其可以根据待治疗的生物组织的状况自动控制合适的高频电流的输出。 相位检测单元检测在高频发电单元中输出的高频电压和高频电流的各相位,之后,相位差计算单元基于各个相位来计算相位差。 同时,阻抗计算单元基于高频电压和高频电流的各自的大小来计算阻抗。 在这种情况下,控制单元基于指令信号的阻抗和相位差以及输出状态中的至少一个,进行控制以输出具有预定波形的高频电压和高频电流 。 因此,可以自动控制适当的高频电流的输出。
    • 8. 发明授权
    • Electrosurgical device
    • 电外科装置
    • US07722602B2
    • 2010-05-25
    • US11586266
    • 2006-10-25
    • Takashi Mihori
    • Takashi Mihori
    • A61B18/18
    • A61B18/1206A61B18/14A61B2018/00178A61B2018/00875A61B2018/1286A61B2018/1407
    • An electrosurgical device is provided which can prevent the decrease of the effect of a treatment performed by an operator or the like on a biological tissue. A high-frequency voltage generated in an alternating power supply is transformed in a transformer. A high-frequency current in accordance with the transformed high-frequency voltage is supplied to the biological tissue via two high-frequency current supply lines. In this case, the impedance between the two high-frequency current supply lines is set in an impedance matching circuit so as to become maximum with respect to the frequency of the high-frequency current. Accordingly, the decrease of the effect of the treatment performed on the biological tissue can be prevented.
    • 提供了一种电外科装置,其可以防止由操作者等对生物组织进行的处理的影响的降低。 在交流电源中产生的高频电压在变压器中变换。 根据变换的高频电压的高频电流经由两个高频电流供给线供给生物体组织。 在这种情况下,两个高频电流供给线之间的阻抗被设定在阻抗匹配电路中,以便相对于高频电流的频率变为最大。 因此,可以防止对生物组织进行的处理的效果的降低。
    • 10. 发明申请
    • High-frequency power supply device and electrosurgical device
    • 高频电源装置及电外科装置
    • US20070123847A1
    • 2007-05-31
    • US11593299
    • 2006-11-06
    • Takashi Mihori
    • Takashi Mihori
    • A61B18/04
    • A61B18/1206A61B2018/00702A61B2018/00779A61B2018/00869A61B2018/00875
    • A high-frequency power supply device and an electrosurgical device are provided which can automatically control the output of an appropriate high-frequency current in accordance with the condition of a biological tissue to be treated. A phase detection unit detects respective phases of a high-frequency voltage and a high-frequency current outputted in a high-frequency power generation unit, and thereafter a phase difference calculation unit calculates the phase difference based on the respective phases. Meanwhile, an impedance calculation unit calculates the impedance on the basis of respective magnitudes of the high-frequency voltage and the high-frequency current. In this case, on the basis of at least one of the impedance and the phase difference and the output state of an instruction signal, a control unit performs a control to output a high-frequency voltage and a high-frequency current having a predetermined waveform. Accordingly, the output of the appropriate high-frequency current can be automatically controlled.
    • 提供了一种高频电源装置和电外科装置,其可以根据待治疗的生物组织的状况自动控制合适的高频电流的输出。 相位检测单元检测在高频发电单元中输出的高频电压和高频电流的各相位,之后,相位差计算单元基于各个相位来计算相位差。 同时,阻抗计算单元基于高频电压和高频电流的各自的大小来计算阻抗。 在这种情况下,控制单元基于指令信号的阻抗和相位差以及输出状态中的至少一个,进行控制以输出具有预定波形的高频电压和高频电流 。 因此,可以自动控制适当的高频电流的输出。