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48 条记录 (耗时 0.028 秒)

    MEDICAL ULTRASOUND DEVICE WITH FORCE DETECTION
    6.
    发明申请
    MEDICAL ULTRASOUND DEVICE WITH FORCE DETECTION 有权
    具有强力检测功能的医用超声波装置

    公开(公告)号：US20120165669A1

    公开(公告)日：2012-06-28

    申请号：US13393244

    申请日：2010-09-08

    申请人： Maya Ella Barley ,  Godefridus Antonius Harks ,  Szabolcs Deladi

    发明人： Maya Ella Barley ,  Godefridus Antonius Harks ,  Szabolcs Deladi

    IPC分类号： A61B8/12 ,  A61B18/14 ,  A61N7/00

    CPC分类号： A61B90/06 ,  A61B5/6885 ,  A61B8/12 ,  A61B8/445 ,  A61B18/0206 ,  A61B18/12 ,  A61B18/1492 ,  A61B2017/00106 ,  A61B2090/065

    摘要： A medical ultrasound device is disclosed. The device comprises an elongated body having a proximal end and a distal end region (1). One or more ultrasound transducers (4) for generating acoustic radiation are positioned in the distal end region, inside the elongated body. A transmission element (5) which is substantially transparent to acoustic radiation is positioned in the radiation path of the acoustic radiation, and a controller unit is operatively connected to the ultrasound transducer. The transmission element and the one or more ultrasound transducers are mounted so that an acoustic path length (8) between the transmission element (5) and the ultrasound transducer (4) varies with contact force (10) imposed to the distal end region. The controller unit detects the acoustic path length between the ultrasound transducer and the transmission element and determines the contact force from the detected acoustic path length. In an embodiment, the medical device is an ultrasound RF ablation catheter.

    摘要翻译： 公开了一种医用超声波装置。 该装置包括具有近端和远端区域（1）的细长主体。 用于产生声辐射的一个或多个超声换能器（4）位于细长体内的远端区域。 对声辐射基本透明的传输元件（5）位于声辐射的辐射路径中，并且控制器单元可操作地连接到超声换能器。 传输元件和一个或多个超声波换能器被安装成使得传输元件（5）和超声换能器（4）之间的声学​​路径长度（8）随施加到远端区域的接触力（10）而变化。 控制器单元检测超声换能器和传动元件之间的声路长度，并根据检测到的声道长度确定接触力。 在一个实施例中，医疗装置是超声RF消融导管。

    ACOUSTICAL SWITCH AND CATHETER COMPRISING ACOUSTICAL SWITCH
    7.
    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。

    Optical Device Comprising a Cantilever and Method of Fabrication and Use Thereof
    8.
    发明申请
    Optical Device Comprising a Cantilever and Method of Fabrication and Use Thereof 有权
    包括悬臂的光学装置及其制造和使用方法

    公开(公告)号：US20090002714A1

    公开(公告)日：2009-01-01

    申请号：US12094352

    申请日：2005-11-28

    申请人： Davide Iannuzzi ,  Szabolcs Deladi ,  Michael Curt Elwenspoek

    发明人： Davide Iannuzzi ,  Szabolcs Deladi ,  Michael Curt Elwenspoek

    IPC分类号： G01B9/02

    CPC分类号： G01Q20/02 ,  G01Q60/38

    摘要： The present invention provides an optical device, comprising an optical fiber and a cantilever that is arranged on an end of the optical fiber; The cantilever may be an integral part of the optical fiber, and may have a length that is substantially equal to a diameter of the optical fiber. Measurement means for measuring a displacement of the cantilever are connected to an opposite end of the, optical fiber. A method of measuring a displacement using the optical device comprises the steps of: —arranging measurement means, comprising a light source, on an opposite end of the optical fiber; —using the light source to send a beam of light into the optical fiber; —measuring the interference of light that is reflected on the end op the optical fiber and light that is reflected on the cantilever; and determining the displacement of the cantilever relative to an intermediate position dependent on the measured interference.

    摘要翻译： 本发明提供了一种光学装置，包括布置在光纤端部的光纤和悬臂; 悬臂可以是光纤的组成部分，并且可以具有基本上等于光纤直径的长度。 用于测量悬臂的位移的测量装置连接到光纤的相对端。 使用光学装置测量位移的方法包括以下步骤：在光纤的相对端上安置包括光源的测量装置; - 使用光源将光束发射到光纤中; - 测量反射在光纤上的光的干涉和反射在悬臂上的光; 并且根据所测量的干涉来确定悬臂相对于中间位置的位移。