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    FLUID LENS WITH PRESSURE RELEASE SYSTEM
    3.
    发明申请
    FLUID LENS WITH PRESSURE RELEASE SYSTEM 有权
    带压力释放系统的流体镜

    公开(公告)号：US20100277809A1

    公开(公告)日：2010-11-04

    申请号：US12811831

    申请日：2009-01-12

    申请人： Jan Frederik Suijver ,  Stein Kuiper ,  Bernardus Hendrikus Wilhelmus Hendriks ,  Szabolcs Deladi ,  Antonius Johannes Josephus Rademakers ,  Cornelius Antonius Micolaas Maria Van Der Vleuten ,  Johannes Wilhelmus Weekamp ,  Waltherus Cornelis Jozef Bierhoff

    发明人： Jan Frederik Suijver ,  Stein Kuiper ,  Bernardus Hendrikus Wilhelmus Hendriks ,  Szabolcs Deladi ,  Antonius Johannes Josephus Rademakers ,  Cornelius Antonius Micolaas Maria Van Der Vleuten ,  Johannes Wilhelmus Weekamp ,  Waltherus Cornelis Jozef Bierhoff

    IPC分类号： G02B3/14 ,  A61B1/06

    CPC分类号： G02B7/008 ,  A61B1/0019 ,  G02B3/14 ,  G02B23/2407

    摘要： Fluid lens system, e.g. for medical imaging or medical treatment, with a container enclosing a fluid arranged to refract incoming waves. A pressure release mechanism is in contact with the fluid so as to compensate changes in its volume due to thermal variations, e.g. during high temperature medical cleaning. This pressure release mechanism is positioned within a pathway of incoming waves. In preferred embodiments a fluid container connected via a tube to the fluid as a reservoir, is arranged within or outside the container, e.g. beyond an image sensor. Alternatively, an easily compressible body, e.g. a small closed metal bellows enclosing a gas, is positioned inside the fluid to absorb volume changes by compression. In both embodiments, the pressure release elements are preferably positioned in a peripheral part of the pathway of incoming waves to not affect performance of the lens. In another aspect, a fluid lens includes a container with an inner container part that fits inside an outer container part, wherein the inner container part is in rigid connection to at least a one boundary arranged for penetration of incoming waves. The pressure release mechanism is positioned within the outer container part, and it is in contact with the fluid so as to compensate changes in volume of the fluid due to thermal variations. In one embodiment the inner and outer container parts are arranged for relative one-dimensional movement and fluid tight interconnected. In another embodiment, a fluid filled cavity is formed between the inner and outer container parts, and this cavity houses a compressible body. The lens systems are suited for applications such as medical endoscopes, catheters and needles, optically as well as acoustically based.

    摘要翻译： 流体透镜系统，例如 用于医疗成像或医疗处理，容器包围布置成折射入射波的流体。 压力释放机构与流体接触，以便补偿由于热变化引起的体积变化，例如， 在高温医疗清洗过程中。 该压力释放机构位于入射波的通路内。 在优选实施例中，经由管连接到作为储存器的流体的流体容器设置在容器内或外部，例如， 超越图像传感器。 或者，容易压缩的主体，例如， 围绕气体的小封闭金属波纹管位于流体内部以通过压缩吸收体积变化。 在两个实施例中，压力释放元件优选地定位在入射波通路的周边部分中，从而不影响透镜的性能。 在另一方面，一种流体透镜包括具有内部容器部分的容器，该内部容器部分装配在外部容器部分内部，其中内部容器部分刚好连接至布置成用于穿透入射波的至少一个边界。 压力释放机构定位在外部容器部分内，并且与流体接触，以补偿由于热变化引起的流体体积的变化。 在一个实施例中，内部和外部容器部件布置用于相对一维运动并且流体密封互连。 在另一个实施例中，在内部和外部容器部分之间形成流体填充空腔，并且该空腔容纳可压缩体。 透镜系统适用于诸如医用内窥镜，导管和针的应用，光学和声学基础。

    ACOUSTICAL SWITCH AND CATHETER COMPRISING ACOUSTICAL SWITCH
    4.
    发明申请
    ACOUSTICAL SWITCH AND CATHETER COMPRISING ACOUSTICAL SWITCH 审中-公开
    声学开关和导管包括声学开关

    公开(公告)号：US20110275962A1

    公开(公告)日：2011-11-10

    申请号：US13127089

    申请日：2009-11-05

    申请人： Szabolcs Deladi ,  Jan F. Suijver ,  Godefridus Antonius Harks ,  Johannes Wilhelmus Weekamp ,  Antonius J.J. Rademakers ,  Maya Ella Barley

    发明人： Szabolcs Deladi ,  Jan F. Suijver ,  Godefridus Antonius Harks ,  Johannes Wilhelmus Weekamp ,  Antonius J.J. Rademakers ,  Maya Ella Barley

    IPC分类号： A61N7/00

    CPC分类号： A61B8/4461 ,  A61B8/12 ,  A61B8/445 ,  A61B18/1492 ,  G10K11/28

    摘要： The invention relates to an acoustical switch wherein the idea to the ultrasound propagation direction may be changes without moving the switch. The switch device comprises two sheets of acoustically transparent material. The sheets constitute opposite walls of a housing. The switch device further comprises one or more orifices for allowing conduction of fluid into and/or out of said housing. The switch device may be made reflective by filling the housing with a gas via the one or more orifices. Moreover, the switch device may be made transmissive to ultrasound by filling the housing with a liquid via the one or more orifices and/or by subjecting the housing to underpressure via the one or more orifices. The acoustical switch device fits well within a catheter, which has severe dimensional limitations.

    摘要翻译： 本发明涉及一种声学开关，其中超声波传播方向的想法可以是不改变开关而改变的。 开关装置包括两片声透明材料。 纸张构成外壳的相对壁。 开关装置还包括用于允许流体进入和/或离开所述壳体的一个或多个孔。 开关装置可以通过经由一个或多个孔口用气体填充壳体来制成反射性的。 此外，开关装置可以通过经由一个或多个孔口填充液体的壳体和/或经由一个或多个孔口对壳体进行负压来对超声波进行透射。 声学开关装置很好地配合在具有严格尺寸限制的导管内。

    ELECTROWETTING DEVICE
    10.
    发明申请
    ELECTROWETTING DEVICE 有权
    电镀设备

    公开(公告)号：US20120200939A1

    公开(公告)日：2012-08-09

    申请号：US13499918

    申请日：2010-09-29

    申请人： Stein Kuiper ,  Johannes Wilhelmus Weekamp

    发明人： Stein Kuiper ,  Johannes Wilhelmus Weekamp

    IPC分类号： G02B3/12 ,  C25D11/02

    CPC分类号： G02B3/14 ,  G02B26/005

    摘要： The invention relates to an electrowetting-on-dielectric device (200). This is an electro wetting device comprising one or more cells, wherein each cell comprises an electrowetting composition of first and second immiscible fluids, the first fluid being an electrolytic solution (240), a first electrode (230), separated from the electrowetting composition by a dielectric (231), and a voltage source (260) for applying an operating voltage difference between the first electrode (230) and the electrolytic solution to operate the electrowetting device. According to the invention, the first electrode (230) of the electrowetting-on-dielectric device (200) comprises a valve metal, and the electrolytic solution (240) is capable of anodizing the valve metal to form a metal oxide at the operating voltage difference. This provides the electrowetting-on-dielectric device (200) with self-repairing properties thereby preventing breakdown of the dielectric. As a result, the electrowetting device can be operated at a low voltage, and it has an improved reliability.

    摘要翻译： 本发明涉及一种电润湿介电装置（200）。 这是一种包含一个或多个电池的电润湿装置，其中每个电池包括第一和第二不混溶流体的电润湿组合物，第一流体是电解溶液（240），第一电极（230），其与电润湿组合物分离， 电介质（231）和用于在第一电极（230）和电解液之间施加工作电压差以操作电润湿装置的电压源（260）。 根据本发明，电介质电介质器件（200）的第一电极（230）包括阀金属，并且电解溶液（240）能够在操作电压下阳极氧化阀金属以形成金属氧化物 区别。 这提供了具有自修复性能的电介质电介质器件（200），从而防止电介质的破坏。 结果，电润湿装置可以在低电压下操作，并且其可靠性提高。