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    • 10. 发明授权
    • Ultrasound energy delivery system and method
    • 超声能量输送系统及方法
    • US5735280A
    • 1998-04-07
    • US708829
    • 1996-09-09
    • Marshall L. ShermanThomas M. Castellano
    • Marshall L. ShermanThomas M. Castellano
    • A61B18/00A61B17/00A61B17/22A61B8/00
    • A61B17/2202A61B2017/00084A61B2017/00092A61B2017/00243
    • An energy delivery system and method controls the frequency of the power driving an ultrasonic device to achieve more efficient power delivery. During operation of the ultrasonic device to deliver power to a patient site, the system and method automatically sweeps the drive power through a frequency range, locates the series and parallel resonance frequencies, calculates the average of those frequencies and locks the power generator at that average frequency to drive the crystal. This frequency sweep procedure occurs automatically when the ultrasonic crystal is located at the patient site and the power generator operator presses the power-on switch to apply power. The method of tuning the power generator thus occurs when the crystal is at the site temperature and is transparent to the operator. The application of an external bio-layer to the crystal increases its bandwidth and its robustness. Mounting a temperature sensor or sensors at the crystal permits monitoring of the crystal temperature and allows drive level control over the power generator to control the temperature at the crystal.
    • 能量输送系统和方法控制驱动超声波装置的功率的频率以实现更有效的功率传递。 在超声波设备运行期间向病人现场输送电力时,系统和方法会自动扫描驱动电源频率范围,定位串联和并联谐振频率,计算出这些频率的平均值,并将发电机锁定在该平均值 频率驱动晶体。 当超声波晶体位于患者现场时,该频率扫描过程自动发生,发电机操作者按下电源开关以施加电力。 因此,当晶体处于现场温度并且对操作者是透明的时,调谐发电机的方法发生。 外部生物层在晶体上的应用增加了其带宽和其鲁棒性。 将温度传感器或传感器安装在晶体处可以监控晶体温度,并允许对发电机进行驱动电平控制,以控制晶体的温度。