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    • 2. 发明授权
    • Acoustic therapy apparatus
    • 声疗仪
    • US06471662B1
    • 2002-10-29
    • US09689579
    • 2000-10-12
    • Peter JaggyWerner KraussEdgar Bauer
    • Peter JaggyWerner KraussEdgar Bauer
    • A61H100
    • A61B17/2251A61B2090/0813
    • An acoustic therapy device is provided including a housing, an electro-acoustic transducer, a coupling element and coupling cushions. The electro-acoustic transducer is arranged in the housing which includes a shell. The coupling element has a coupling surface flush with edges of the shell. Another coupling surface of the coupling element is on the sound irradiation surface of the transducer and sound waves from the sound irradiation surface are directly coupled into the coupling element. An elastic coupling cushion is connected to a surface of the coupling element. One coupling surface of the coupling element and an exterior coupling surface of the coupling cushion define a sound advance path the length of which may, along with a penetration depth of the sound waves, be varied.
    • 提供了一种声学治疗装置,包括壳体,电声换能器,耦合元件和耦合垫。 电声换能器布置在包括壳体的壳体中。 联接元件具有与壳体的边缘齐平的联接表面。 耦合元件的另一耦合表面在换能器的声辐照表面上,并且来自声辐射表面的声波直接耦合到耦合元件中。 弹性耦合垫连接到耦合元件的表面。 耦合元件的一个耦合表面和耦合垫的外部耦合表面限定声音提前路径,其长度可以与声波的穿透深度一起变化。
    • 4. 发明授权
    • Piezoelectric transducer
    • 压电传感器
    • US5111805A
    • 1992-05-12
    • US574331
    • 1990-08-28
    • Peter JaggyWerner KraussDagobert SchaferHelmut Wurster
    • Peter JaggyWerner KraussDagobert SchaferHelmut Wurster
    • B06B1/06G10K11/02
    • B06B1/0622G10K11/02
    • There is disclosed, a piezoelectric transducer for generating focussed ultrasonic shock waves for use in lithotripsy. The ultrasonic shock waves are emitted in pulsed form and can be transmitted by way of a coupling medium to the body of a patient to be treated. The transducer comprises a substantial member of individual piezoelectric transducer elements of ceramic or like material which are connected to the poles of a pulse generator and are fixed to a support in mosaic form and with their sides electrically insulated from one another. The acoustic termination of the transducer elements is essentially free from reflection. An intermediate medium of at least one layer, the acoustic impedance of which lies between that of the ceramic of the transducer element and that of the coupling medium, is provided between the transducer elements and the coupling medium. The thickness d of the layer is chosen in accordance with the relationship d>.tau..sub.k .multidot.c.sub.LA, where .tau..sub.k is the propagation time of sound in the piezoceramic of the transducer elements and c.sub.LA is the sound velocity in the intermediate medium.
    • 公开了用于产生用于碎石术的聚焦超声冲击波的压电换能器。 超声冲击波以脉冲形式发射,并且可以通过耦合介质传播到待治疗患者的身体。 换能器包括连接到脉冲发生器的极的陶瓷或类似材料的各个压电换能器元件的实质部件,并且固定到马赛克形式的支撑件并且彼此的侧面彼此电绝缘。 换能器元件的声学终端基本上没有反射。 在换能器元件和耦合介质之间提供了至少一层的中间介质,其声学阻抗位于换能器元件的陶瓷和耦合介质的陶瓷之间。 根据关系d> tau kxcLA选择层的厚度d,其中τk是传感器元件的压电陶瓷中声音的传播时间,cLA是中间介质中的声速。
    • 8. 发明授权
    • Lithotripsy ultrasound locating device
    • LITHOTRIPSY超声波定位装置
    • US5158085A
    • 1992-10-27
    • US566587
    • 1990-08-13
    • Thomas BelikanWerner KraussHelmut Wurster
    • Thomas BelikanWerner KraussHelmut Wurster
    • A61B17/22A61B17/225
    • A61B17/2258
    • A lithotripsy ultrasound locating device comprises at least one locating transducer having a plurality of focal ranges and which is associated with a therapy transducer and is axially adjustable in relation to its focus; a position indicator which generates a signal representing the distance between the sound head of the locating transducer and the focus of the therapy transducer; a computer; a monitor on which a target mark representing the focus of the therapy transducer is displayed; and an electronic transmitter/receiver arrangement controlled by the computer in order to produce an image of a concretion to be destroyed which image is constantly optimal. The computer, controls, as a function of the signal emitted by the position indicator and by way of the transmitter/receiver arrangement, the focal range of the locating transducer which, at the given distance at that moment between the sound head and the focus of the therapy transducer always lies in the range thereof. The computer further generates a signal following up the target mark on the monitor according to the signal emitted by the position indicator. The following-up signal is passed to the monitor so that, where applicable, in each axial position of the locating transducer, the image of the concretion displayed by the monitor lies in the target mark.
    • 碎石超声定位装置包括至少一个具有多个焦点范围的定位换能器,其与治疗换能器相关联并且可相对于其焦点轴向调节; 位置指示器,其产生表示定位换能器的声音头与治疗换能器的焦点之间的距离的信号; 一台电脑; 显示表示治疗传感器的焦点的目标标记的监视器; 以及由计算机控制的电子发射器/接收器装置,以产生待破坏的凝结物的图像,该图像是不断优化的。 计算机根据由位置指示器发射的信号并通过发射器/接收器装置来控制定位传感器的焦距范围,定位传感器在声音头与焦点之间的给定距离处 治疗传感器总是在其范围内。 计算机还根据位置指示器发出的信号产生跟随监视器上的目标标记的信号。 跟踪信号被传递到监视器,使得在适当的情况下,在定位换能器的每个轴向位置,由监视器显示的凝结图像位于目标标记中。