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    • 13. 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。
    • 15. 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。
    • 16. 发明授权
    • Electrosurgical apparatus and separation detecting method capable of
stably monitoring separation state of return electrode
    • 能够稳定地监测返回电极的分离状态的电外科手术装置和分离检测方法
    • US6063075A
    • 2000-05-16
    • US97551
    • 1998-06-15
    • Takashi Mihori
    • Takashi Mihori
    • A61B18/16A61B18/12
    • A61B18/1233Y10S128/908
    • An electrosurgical apparatus detects separation of a return electrode of the electrosurgical apparatus for cutting and coagulating an organic tissue from a patient. An impedance detecting section detects a contact impedance between the return electrode and the patient and generates an impedance detection signal corresponding to the contact impedance. A first discrimination section discriminates if the impedance detection signal generated by the impedance detecting section falls within a normal range of the contact impedance having predetermined upper and lower limits after the electrosurgical apparatus is powered on. When the first discrimination section detects that the impedance detection signal lies in the normal range, a storage section stores the then impedance detection signal as a reference signal. A second discrimination section discriminates if the return electrode is in an abnormal state where the return electrode is separated from the patient, based on a difference between the impedance detection signal, generated by the impedance detecting section, and the reference signal stored in the storage section.
    • 电外科装置检测电外科设备的返回电极的分离,用于切割和凝结患者的有机组织。 阻抗检测部分检测返回电极和患者之间的接触阻抗,并产生与接触阻抗相对应的阻抗检测信号。 第一识别部分鉴别在电外科装置通电之后阻抗检测部分产生的阻抗检测信号是否处于具有预定上限和下限的接触阻抗的正常范围内。 当第一识别部分检测到阻抗检测信号处于正常范围时,存储部分将该阻抗检测信号作为参考信号存储。 第二鉴别部分基于由阻抗检测部分产生的阻抗检测信号与存储在存储部分中的参考信号之间的差异,判断返回电极是否处于返回电极与患者分离的异常状态 。
    • 17. 发明授权
    • Electrosurgical apparatus and method for controlling electrosurgical apparatus
    • 电外科手术器械及电外科手术控制方法
    • US08663215B2
    • 2014-03-04
    • US12252034
    • 2008-10-15
    • Akinori KabayaTakashi Mihori
    • Akinori KabayaTakashi Mihori
    • A61B18/12
    • A61B18/1206A61B18/1442A61B2018/0063A61B2018/00678A61B2018/00702A61B2018/00827A61B2018/00875A61B2018/00892
    • A high-frequency cauterization power source is an electrosurgical apparatus for joining biological tissues. The electrosurgical apparatus includes a high frequency power supply portion for supplying a high frequency power that is applied to biological tissues; a detection portion for detecting a voltage and a current of a high frequency power that is output from the high frequency power supply portion; a tissue impedance calculating portion that calculates an impedance of biological tissue based on respective values for voltage and current detected at the detection portion; and a control portion that controls so as to substantially stop supply of the high frequency power from the high frequency power supply portion based on whether or not an increase greater than or equal to a predetermined value in the impedance that is calculated at the tissue impedance calculating portion occurs two times.
    • 高频烧灼电源是用于连接生物组织的电外科装置。 电外科设备包括用于提供施加到生物组织的高频电力的高频电源部分; 用于检测从高频电源部分输出的高频电力的电压和电流的检测部分; 组织阻抗计算部,其基于在所述检测部检测到的电压和电流的各自的值来计算生物体组织的阻抗; 以及控制部分,其基于在组织阻抗计算中计算的阻抗中的大于或等于预定值的增加来基本上停止从高频电源部分提供高频功率的控制部分 部分发生两次。
    • 19. 发明申请
    • HIGH-FREQUENCY TREATMENT APPARATUS AND HIGH-FREQUENCY TREATMENT METHOD
    • 高频处理装置和高频处理方法
    • US20100087894A1
    • 2010-04-08
    • US12244920
    • 2008-10-03
    • Akinori KabayaTakashi Mihori
    • Akinori KabayaTakashi Mihori
    • A61N1/00
    • 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。