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    • 58. 发明申请
    • MADICAL DEVICE GUIDANCE FROM AN ANATOMICAL REFERENCE
    • 来自解剖学参考的植物装置指南
    • WO2005037359A1
    • 2005-04-28
    • PCT/US2004/031376
    • 2004-09-27
    • SCIMED LIFE SYSTEMS, INC.FREYMAN, TobyMICKLEY, Timothy, J.
    • FREYMAN, TobyMICKLEY, Timothy, J.
    • A61M25/01
    • A61M25/01A61B5/061A61M25/0105
    • A system and method for simply and reliably determining the location and orientation of a medical device within a patient's body. A medical device, such as a catheter (1), has bending indicators (13) on or imbedded in its wall (7), and passes through an anatomical reference (11) of known orientation relative to a target site within the patient. Information from the tube bending indicators permits determination of the orientation of a feature, such as an orifice, at the distal end (3) of the medical device relative to the anatomical reference. From the known orientation of the anatomical reference, and information on the location and orientation of the distal end of the medical device obtained from fluoroscopic imaging from a single direction, the physician may reliably determine the orientation of the distal feature relative to the target site, eliminating the need for imaging from multiple directions.
    • 一种用于简单且可靠地确定患者体内的医疗装置的位置和方向的系统和方法。 诸如导管(1)的医疗装置在其壁(7)上或嵌入其中的弯曲指示器(13),并且相对于患者内的目标部位通过已知取向的解剖参考(11)。 来自管弯曲指示器的信息允许在医疗装置的远端(3)处相对于解剖参考确定诸如孔的特征的取向。 从已知的解剖学参考方向,以及关于从单一方向从透视成像获得的医疗装置的远端的位置和方位的信息,医师可以可靠地确定远侧特征相对于目标部位的方向, 消除了从多个方向进行成像的需要。