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    • 3. 发明申请
    • High-intensity focused-ultrasound hydrophone
    • 高强度聚焦超声波水听器
    • US20050245824A1
    • 2005-11-03
    • US11111476
    • 2005-04-20
    • Mark SchaferG. MooreJames Gessert
    • Mark SchaferG. MooreJames Gessert
    • A61B8/14A61B17/00A61N7/02G01S7/521
    • G01S7/521A61B2017/00725A61N7/02
    • Methods and systems are disclosed for providing a self contained hydrophone for measuring characteristics of HIFU fields. HIFU field characteristics are measured using transducer elements receiving reflected and or scattered HIFU fields scattered from an integrated scattering device and providing for use of more responsive piezoelectric materials. The transducer element and/or elements are configured in the integrated hydrophone to provide for in-phase reception of HIFU waves scattered from the scattering device. A positioning mechanism may be used that with the use of the transducer element and/or transducer elements as pulse-echo devices may provide for tuning of the integrated HIFU hydrophone. Further, the integrated structure of the hydrophone may be sealed to provide for use of cavitation mitigating liquids.
    • 公开了用于提供用于测量HIFU场的特性的自包含水听器的方法和系统。 使用从集成散射装置散射的反射和/或散射HIFU场的换能器元件测量HIFU场特性,并提供使用更响应的压电材料。 换能器元件和/或元件配置在集成水听器中以提供从散射装置散射的HIFU波的同相接收。 可以使用定位机构,通过使用换能器元件和/或换能器元件,脉冲回波装置可以提供集成HIFU水听器的调谐。 此外,水听器的集成结构可以被密封以提供使用气蚀减轻液体。
    • 7. 发明申请
    • System and method for high pressure delivery of gas-supersaturated fluids
    • 气体过饱和流体高压输送的系统和方法
    • US20050028883A1
    • 2005-02-10
    • US10929918
    • 2004-08-30
    • Adib DaoudJames Gessert
    • Adib DaoudJames Gessert
    • A61M5/142A61M1/32B65B1/04
    • A61M1/32A61M2202/0476
    • A system and method for generating a gas-supersaturated fluid and delivering the fluid at high delivery pressures to thereby prevent bubble nucleation is disclosed. The system comprises a housing for containing a removable fluid assembly for housing a fluid to be gas-supersaturated and a drive assembly for delivering the fluid to a delivery site. The housing assembly comprises a cylinder and a piston which may be advanced along the inner surface of the cylinder to pressurize and to deliver the fluid. To generate a gas-supersaturated fluid, the housing assembly is removed from the system housing, filled with a fluid, and gas is introduced at or slightly above the desired gas partial pressure into the cylinder. To deliver the gas-supersaturated fluid, the fluid assembly is returned to the system housing and the drive assembly advances the piston to increase the hydrostatic pressure to the desired delivery pressure and, after opening a valve, to deliver the gas-supersaturated fluid at the desired high delivery pressure to a delivery site.
    • 公开了一种用于产生气体过饱和流体并在高输送压力下输送流体从而防止气泡成核的系统和方法。 该系统包括用于容纳用于容纳被气体过饱和的流体的可移除流体组件的壳体和用于将流体输送到输送部位的驱动组件。 壳体组件包括气缸和活塞,其可以沿着气缸的内表面前进以加压和输送流体。 为了产生气体过饱和流体,壳体组件从系统壳体移除,填充有流体,并且将气体以或稍高于期望气体分压导入气缸。 为了输送气体过饱和流体,流体组件返回到系统壳体,并且驱动组件前进活塞以将静水压力增加到期望的输送压力,并且在打开阀之后,将气体过饱和流体输送到 期望的高输送压力到输送部位。