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    • 31. 发明授权
    • System for determining the position of a medical device within a body
    • 用于确定身体内的医疗装置的位置的系统
    • US08517031B2
    • 2013-08-27
    • US12981150
    • 2010-12-29
    • Mark A. MacGregorJohn A. HauckGraydon E. BeattyKevin Dillon
    • Mark A. MacGregorJohn A. HauckGraydon E. BeattyKevin Dillon
    • A61B19/00
    • A61B5/065A61B5/04085A61B5/0422A61B5/063A61B5/6833A61B5/6869A61B34/20A61B2034/2053
    • A system for determining a position of a medical device within a body is provided that reduces positional error by establishing a reference origin closer to the device and/or simplifies the system by integrating components and functions. In one embodiment, a pair of drive electrodes are affixed to opposed surfaces of the body and create a pathway for transmission of current through a position sensor related to the medical device. A pair of reference electrodes proximate the drive electrodes are coupled to a common reference node outputting a reference signal establishing the reference origin. An electronic control unit determines the position of the medical device responsive to the position signal and the reference signal. In another embodiment, a patch affixed to an external surface of the body has a base layer and multiple devices supported on the base layer, electrically isolated from one another, and configured to perform different functions.
    • 提供了一种用于确定身体内的医疗装置的位置的系统,其通过建立靠近装置的参考原点和/或通过集成部件和功能来简化系统来减少位置误差。 在一个实施例中,一对驱动电极固定在主体的相对表面上,并且产生用于通过与医疗装置相关的位置传感器传输电流的路径。 靠近驱动电极的一对参考电极被耦合到公共参考节点,该公共参考节点输出建立参考原点的参考信号。 电子控制单元响应于位置信号和参考信号确定医疗设备的位置。 在另一个实施例中,固定到主体的外表面的贴片具有基底层和支撑在基底层上的多个器件,彼此电隔离并且被配置为执行不同的功能。
    • 34. 发明授权
    • Filtering method for surface modeling
    • 表面建模过滤方法
    • US07894871B2
    • 2011-02-22
    • US11647591
    • 2006-12-29
    • Frederik H. WittkampfJohn A. Hauck
    • Frederik H. WittkampfJohn A. Hauck
    • A61B5/04
    • A61B5/065A61B5/066A61B5/1076A61B5/6885A61B5/7246A61B5/743A61B34/20A61B2034/105G01B7/008G01B21/04
    • A system for mapping a tissue surface includes a probe for mapping a tissue surface, a localization system to measure a location data point indicative of the probe's location, a memory in which to store the location data point, a servo mechanism to move the probe along at least a portion of the tissue surface, a controller to move the probe to a plurality of locations and to record in the memory a plurality of location data points, and a contact-sensing processor to analyze the plurality of location data points and to identify a subset thereof on the tissue surface. A modeling processor generates a model of the tissue surface using the subset of location data points. The contact-sensing processor utilizes probe velocity, or a rate of change in the distance moved by the probe, to determine contact between the probe and the tissue surface.
    • 用于映射组织表面的系统包括用于映射组织表面的探针,定位系统以测量指示探针位置的位置数据点,存储位置数据点的存储器,用于移动探头的伺服机构 组织表面的至少一部分,将探针移动到多个位置并在存储器中记录多个位置数据点的控制器,以及接触感应处理器,用于分析多个位置数据点并识别 其子集在组织表面上。 建模处理器使用位置数据点的子集生成组织表面的模型。 接触检测处理器利用探针速度或由探针移动的距离的变化率来确定探针和组织表面之间的接触。
    • 38. 发明申请
    • METHOD AND APPARATUS FOR ENCODING INTERVENTIONAL DEVICES
    • 编码传统装置的方法和装置
    • US20090171196A1
    • 2009-07-02
    • US11967412
    • 2007-12-31
    • Eric S. OlsonJohn A. Hauck
    • Eric S. OlsonJohn A. Hauck
    • A61B6/00
    • A61B90/96A61B34/20A61B90/39A61B2090/3937A61B2090/3983
    • An imaging system comprises an image acquisition device configured to image certain internal anatomic structures of a patient, and an interventional device, at least a portion of which is configured to be inserted into the body of a patient. The interventional device includes one or more markers disposed on the insertable portion(s) of the interventional device. The material of which the marker is formed is suitable for detection by the image acquisition device, and is arranged in an identifying pattern. The image acquisition device is configured to detect the marker and to read the identifying pattern. In response to the detection and reading of the pattern, the image acquisition device is configured to identify and track the position of the interventional device.
    • 成像系统包括被配置成对患者的某些内部解剖结构进行成像的图像采集装置和介入装置,其中至少一部分被配置为插入到患者体内。 介入装置包括设置在介入装置的可插入部分上的一个或多个标记。 标记物形成的材料适用于图像采集装置的检测,并以识别图案排列。 图像获取装置被配置为检测标记并读取识别图案。 响应于图案的检测和读取,图像获取装置被配置为识别和跟踪介入装置的位置。