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    • 44. 发明申请
    • IMAGING A HOLLOW ORGAN
    • WO2021259726A1
    • 2021-12-30
    • PCT/EP2021/066218
    • 2021-06-16
    • KONINKLIJKE PHILIPS N.V.
    • SCHWARTZ, YitzhackIBRAGIMOV, ZalmanBEN DAVID, YehonatanDICHTERMAN, Eli
    • A61B5/06G06T19/00G06K9/00A61B5/0538A61B5/283A61B5/00G06K9/62A61B5/0044A61B5/065G06K9/6271G06T2210/56G06V10/757G06V10/82G06V20/64G06V2201/031
    • The present invention relates to imaging a hollow organ. In order to provide an improved and facilitated imaging of a hollow organ of interest, a device (10) for providing three-dimensional data of a hollow organ is provided that comprises a measurement input (12), a data processor (14) and an output interface (16). The measurement input is configured to receive a plurality of local electric field measurements (18) of at least one electrode on a catheter inserted in a lumen of a hollow organ of interest. The measurement input is also configured to receive geometrical data (20) representative of the location of the at least one electrode inside the lumen during the measurements. The data processor is configured to receive pre-set electric field characteristics (22) associated with predetermined anatomical landmarks of the hollow organ expectable in the lumen in dependency of a type of the hollow organ. The data processor is also configured to compare at least one of the plurality of local electric field measurements with the pre-set electric field characteristics to determine matching electric field measurements. The data processor is further configured to allocate local electric field measurements to matching electric field characteristics based on the geometrical data to identify anatomical landmarks of the hollow organ by identifying those local field measurements in the plurality of measurements that correspond to landmarks of the hollow organ. The data processor is still further configured to generate a three- dimensional image data cloud (24) by transforming the allocated electric field measurements into portions of the three-dimensional image data cloud based on the identified anatomical landmarks. The output interface is configured to provide the three-dimensional image data cloud.