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    • 1. 发明授权
    • Systems and methods for assisting with internal positioning of instruments
    • 协助仪器内部定位的系统和方法
    • US08527033B1
    • 2013-09-03
    • US12829163
    • 2010-07-01
    • Keith WilliamsPaul Thurman DunhamSteven Russell Marquis
    • Keith WilliamsPaul Thurman DunhamSteven Russell Marquis
    • A61B5/05A61B8/00A61M5/00
    • A61B8/4455A61B8/461A61B8/467A61B2017/3413A61M5/427A61M5/46
    • Systems and methods which determine the position of an instrument internal to an object using an opto-mechanical sensor are shown. Embodiments utilize an opto-mechanical sensor system in which a mechanical instrument interface provides instrument movement information to a corresponding optical sensor system to determine instrument movement. Determinations of instrument movement preferably provide information regarding movement direction and speed. Such information, when used in combination with other information such as starting position or starting position offset, insertion angle or angle of attack, and/or insertion plane, is utilized by embodiments of the invention to determine the position of an instrument or portion thereof. Embodiments are adapted to accommodate different instrument configurations. Position information may be utilized in combination with an ultrasound image to display a visual representation of the instrument, or portion thereof, within a object being imaged.
    • 示出了使用光机械传感器来确定物体内部的仪器的位置的系统和方法。 实施例使用光机械传感器系统,其中机械仪器接口将仪器移动信息提供给相应的光学传感器系统以确定仪器运动。 仪器移动的确定优选地提供关于运动方向和速度的信息。 当与本发明的实施例一起使用这种信息,以与其他信息(例如起始位置或起始位置偏移,插入角度或迎角)和/或插入平面组合使用以确定仪器或其部分的位置。 实施例适于适应不同的仪器配置。 位置信息可以与超声波图像结合使用,以在被成像的物体内显示仪器或其部分的视觉表示。