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    • 12. 发明申请
    • TOOL SHAPE ESTIMATION
    • 工具形状估计
    • WO2011081708A1
    • 2011-07-07
    • PCT/US2010/054720
    • 2010-10-29
    • ST. JUDE MEDICAL, ATRIAL FIBRILLATION DIVISION, INC.COHEN, Amit
    • COHEN, Amit
    • A61B5/05
    • A61B5/06A61B5/066A61B5/7289A61B8/0833A61B8/5238A61B34/20
    • A medical tool (26) includes a location sensor (241) at a distal end. While the tool (26) is being maneuvered to a desired region of interest, a control unit (12) records a first location reading (561) obtained according to an output from the sensor (241) when requested by a user, indicative of when a patient's anatomy constrains free movement of the tool (26) in at least one degree of freedom. Once the tool (26) has reached the region of interest, the control unit (12) records a second location reading (562) according to the sensor (241) output indicative of a current location (46). A relaxation shape of the tool (26) forms a shape constraint on the tool (26) shape reconstruction. The control unit (12) determines a reconstruction representing the current shape of the tool (26) based on the positional constraints and the shape constraint. The reconstruction is graphically superimposed on an image of the region of interest.
    • 医疗工具(26)包括位于远端的位置传感器(241)。 当工具(26)被操纵到期望的感兴趣区域时,控制单元(12)记录当用户请求时根据传感器(241)的输出获得的第一位置读数(561),指示何时 患者的解剖结构以至少一个自由度限制工具(26)的自由运动。 一旦工具(26)到达感兴趣的区域,控制单元(12)根据传感器(241)记录指示当前位置(46​​)的输出的第二位置读数(562)。 工具(26)的松弛形状对工具(26)形状重构形成形状约束。 控制单元(12)基于位置约束和形状约束确定表示工具(26)的当前形状的重构。 重建图形叠加在感兴趣区域的图像上。
    • 14. 发明申请
    • METHOD FOR PRODUCING AN ELECTROPHYSIOLOGICAL MAP OF THE HEART
    • 生产心脏电生理学图谱的方法
    • WO2008136008A2
    • 2008-11-13
    • PCT/IL2008/000656
    • 2008-05-11
    • MEDIGUIDE LTD.STROMMER, GeraEICHLER, UziSCHWARTZ, LiatCOHEN, Amit
    • STROMMER, GeraEICHLER, UziSCHWARTZ, LiatCOHEN, Amit
    • A61B5/042
    • A61B5/042A61B5/04011A61B5/7445A61B6/503A61B6/504A61B34/20A61B34/25A61B90/36A61B2034/105A61B2034/2051A61B2090/364
    • Method for producing an electrophysiological map of a heart of the body of a patient, the method including the procedures of determining a respective target point location, and a respective probe orientation, confirming that the tip of a probe catheter is located at the respective target point location, confirming that the tip is oriented at the respective probe orientation, measuring the heart parameter value at each of the respective target point locations, and superimposing a plurality of representations respective of the heart parameter value, the respective target point location, and the respective probe orientation being determined with respect to heart parameter value which is to be measured, for each of a plurality of target points within the heart, the tip of a probe catheter being confirmed that it is located at the respective target point location, by comparing the currently detected location of the tip, with the respective target point location, the tip being confirmed that it is oriented at the respective probe orientation, by comparing the currently detected orientation of the tip, with the respective probe orientation, heart parameter value being measured at each of the respective target point locations, by a heart parameter sensor located at the tip, the representations respective of the at least one heart parameter value, being superimposed on an image of the heart, at the respective target point location, to produce the electrophysiological map.
    • 用于产生患者身体的心脏的电生理图的方法,所述方法包括确定各个目标点位置的程序和相应的探针取向,确认探针导管的尖端位于相应的目标点 确定所述尖端被定向在相应的探针方向,测量各个目标点位置中的每一个处的心脏参数值,并且叠加多个表示心脏参数值,相应目标点位置和相应的目标点位置 针对心脏中的多个目标点中的每一个确定针对待测量的心脏参数值的探针取向,通过将探针导管的尖端确定为位于相应的目标点位置, 当前检测到尖端的位置,具有相应的目标点位置,尖端被确认 通过将位于尖端处的心脏参数传感器,通过比较当前检测到的尖端的取向与相应的探针取向,在各个目标点位置的每一个处测量的心脏参数值, 在相应的目标点位置处叠加在心脏图像上的至少一个心脏参数值的表示,以产生电生理图。