利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

5 条记录 (耗时 0.036 秒)

    Coherence Gated Doppler Motion Sensor and Medical Applications
    2.
    发明申请
    Coherence Gated Doppler Motion Sensor and Medical Applications 有权
    相干门控多普勒运动传感器和医疗应用

    公开(公告)号：US20140043618A1

    公开(公告)日：2014-02-13

    申请号：US13962450

    申请日：2013-08-08

    申请人： University of Maryland, Baltimore ,  The United States of America as represented by the Department of Veterans Affairs ,  St. Jude Medical ,  University of Maryland, College Park

    发明人： Cha-Min Tang ,  Chia-Pin Liang ,  Yu Chen ,  Ashraf Fouad ,  Joseph Schmitt ,  Nicholas Woolsey

    IPC分类号： A61B5/00

    CPC分类号： A61B5/0059 ,  A61B5/0066 ,  A61B5/0084 ,  A61B5/0088 ,  A61B5/0261 ,  A61B5/489 ,  A61B5/7415 ,  A61C19/04

    摘要： A motion sensor applicable to medical procedures includes a source of light with a wavelength bandwidth and an optical detector. A first optical coupler terminates in a first probe tip and couples the light into the first probe tip. A second optical coupler terminates in a second probe tip and directs onto the detector scattered light returning through the second probe tip. A presentation device outputs a signal that indicates motion in a target volume of a sample in a vicinity of the probe tips based on a Doppler shift of the scattered light. The volume depends on coherence distance determined by the bandwidth. In variations, the first and second tips are the same tip, a multimode fiber is included, the bandwidth is between 0.1% and 5% of a center wavelength, or the presentation device is a speaker, or some combination.

    摘要翻译： 适用于医疗程序的运动传感器包括具有波长带宽的光源和光学检测器。 第一光耦合器终止于第一探针尖端并将光耦合到第一探针尖端中。 第二光耦合器终止于第二探针尖端并且引导到检测器通过第二探针尖端返回的散射光。 呈现装置基于散射光的多普勒频移输出指示探针尖端附近的样本的目标体积中的运动的信号。 音量取决于带宽确定的相干距离。 在变型中，第一和第二尖端是相同的尖端，包括多模光纤，带宽在中心波长的0.1％至5％之间，或者呈现装置是扬声器或某种组合。