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    • 32. 发明授权
    • Circuit for driving ultrasonic transducer
    • 驱动超声波换能器的电路
    • US4965532A
    • 1990-10-23
    • US365826
    • 1989-06-14
    • Tomohisa Sakurai
    • Tomohisa Sakurai
    • G01N29/36G01N29/38H03L7/02H03L7/08
    • G01N29/38G01N29/36H03L7/02H03L7/08G01N2291/012G01N2291/014
    • Circuit for use in a surgical operation including a phase lock loop having a voltage controlled oscillator, and a phase comparator for comparing a phase of a voltage of a driving signal and a phase of a signal representing the vibration phase of the ultrasonic transducer to derive a phase difference therebetween which is applied to the voltage controlled oscillator as a frequency control voltage such that the driving signal is phase-locked with a resonance frequency of the ultrasonic transducer, the improvement being characterized in that during a start period, a reference signal having a frequency which is increased monotonously is applied to the phase comparator such that the frequency of the driving signal is increased until the driving signal is phase-locked with the vibration phase of the ultrasonic transducer vibrating at the resonance frequency. After the phase-lock condition has been attained, the signal representing the vibration phase of the ultrasonic transducer is applied to the phase comparator instead of the reference signal.
    • 用于包括具有压控振荡器的锁相环的手术操作的电路,以及用于比较驱动信号的电压的相位和表示超声波换能器的振动相位的信号的相位的相位比较器,以导出 施加到压控振荡器的相位差作为频率控制电压,使得驱动信号与超声波换能器的共振频率相锁相,其特征在于,在起始时段期间,具有 单相增加的频率被施加到相位比较器,使得驱动信号的频率增加,直到驱动信号被锁相,超声波换能器的振动相以共振频率振动。 在达到相位锁定状态之后,表示超声换能器的振动相位的信号被施加到相位比较器而不是参考信号。
    • 33. 发明授权
    • Ultrasound treatment system
    • 超声治疗系统
    • US07780659B2
    • 2010-08-24
    • US10650759
    • 2003-08-29
    • Mitsumasa OkadaToshiya SugaiYoshitaka HondaManabu IshikawaTomohisa Sakurai
    • Mitsumasa OkadaToshiya SugaiYoshitaka HondaManabu IshikawaTomohisa Sakurai
    • A61B18/18
    • A61B17/320092A61B18/1482A61B2017/2929A61B2017/320072A61B2017/320084A61B2017/320088A61B2217/005A61B2217/007
    • An ultrasound treatment system in accordance with the present invention comprises an ultrasonic transducer, a handpiece, a probe, a sheath, a clamping member, an operation unit, an operating member, a suction base, and a perfusion base. The ultrasonic transducer generates ultrasonic vibrations. The handpiece has the ultrasonic transducer incorporated therein and serves as an operation unit. The probe is connected to the ultrasonic transducer, and serves as a vibration transmitting member for transmitting ultrasonic vibrations to a distal member realizing a stationary portion that is a treatment portion for treating a living tissue. The sheath serves as a protecting member for shielding the probe. The clamping member is opposed to the distal member at the distal end of the sheath, and realizes a movable portion that is another treatment portion for clamping a living tissue in cooperation with the distal member. The operation unit is manipulated for clamping a living tissue with the clamping member and distal member or freeing the living tissue therefrom.
    • 根据本发明的超声波处理系统包括超声换能器,手持件,探头,护套,夹紧构件,操作单元,操作构件,抽吸基座和灌注基座。 超声波换能器产生超声波振动。 手机具有并入其中的超声波换能器,并且用作操作单元。 探头连接到超声波换能器,并且用作用于将超声波振动传递到远端构件的振动传递构件,该远端构件实现作为用于治疗生物体组织的处理部分的静止部分。 护套用作用于屏蔽探针的保护构件。 夹持构件在护套的远端处与远端构件相对,并且实现作为与远侧构件协作夹持生物体组织的另一处理部的可动部。 操作单元被操纵用于夹紧具有夹紧构件和远端构件的活组织或从其中释放活组织。
    • 39. 发明申请
    • Ultrasound treatment system
    • 超声治疗系统
    • US20050004589A1
    • 2005-01-06
    • US10650759
    • 2003-08-29
    • Mitsumasa OkadaToshiya SugaiYoshitaka HondaManabu IshikawaTomohisa Sakurai
    • Mitsumasa OkadaToshiya SugaiYoshitaka HondaManabu IshikawaTomohisa Sakurai
    • A61B17/28A61B17/32A61B18/14A61M1/00
    • A61B17/320092A61B18/1482A61B2017/2929A61B2017/320072A61B2017/320084A61B2017/320088A61B2217/005A61B2217/007
    • An ultrasound treatment system in accordance with the present invention comprises an ultrasonic transducer, a handpiece, a probe, a sheath, a clamping member, an operation unit, an operating member, a suction base, and a perfusion base. The ultrasonic transducer generates ultrasonic vibrations. The handpiece has the ultrasonic transducer incorporated therein and serves as an operation unit. The probe is connected to the ultrasonic transducer, and serves as a vibration transmitting member for transmitting ultrasonic vibrations to a distal member realizing a stationary portion that is a treatment portion for treating a living tissue. The sheath serves as a protecting member for shielding the probe. The clamping member is opposed to the distal member at the distal end of the sheath, and realizes a movable portion that is another treatment portion for clamping a living tissue in cooperation with the distal member. The operation unit is manipulated for clamping a living tissue with the clamping member and distal member or freeing the living tissue therefrom. The operating member drives the clamping member responsively to a manipulation performed on the operation unit. The suction base is formed on the back end of the handpiece, and communicating with a through hole bored substantially along the center axes of the probe and ultrasonic transducer. The perfusion base is formed on the outer circumference of the handpiece and communicating with the lumen of the sheath.
    • 根据本发明的超声波处理系统包括超声换能器,手持件,探头,护套,夹紧构件,操作单元,操作构件,抽吸基座和灌注基座。 超声波换能器产生超声波振动。 手机具有并入其中的超声波换能器,并且用作操作单元。 探头连接到超声波换能器,并且用作用于将超声波振动传递到远端构件的振动传递构件,该远端构件实现作为用于治疗生物体组织的处理部分的静止部分。 护套用作用于屏蔽探针的保护构件。 夹持构件在护套的远端处与远端构件相对,并且实现作为与远侧构件协作夹持生物体组织的另一处理部的可动部。 操作单元被操纵用于夹紧具有夹紧构件和远端构件的活组织或从其中释放活组织。 操作构件响应于对操作单元执行的操作而驱动夹紧构件。 吸引底座形成在手持件的后端,并且与基本上沿探针和超声波换能器的中心轴钻孔的通孔连通。 灌注基底形成在手持件的外周上并且与护套的内腔连通。