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公开(公告)号：EP4456785A1
公开(公告)日：2024-11-06
申请号：EP22843268.8
申请日：2022-12-21
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公开(公告)号：EP3968861A1
公开(公告)日：2022-03-23
申请号：EP20724160.5
申请日：2020-05-13
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公开(公告)号：EP4205642A1
公开(公告)日：2023-07-05
申请号：EP21218038.4
申请日：2021-12-29
摘要： A system is provided for estimating the blood flow rate in the vascular system of a subject, the system comprising a processor configured to execute memorized instructions to obtain at least two temperature measurements over time of at least two positions in the vascular system and generate a plurality of computational fluid dynamic, CFD, simulations of blood flow and temperatures in the vascular system using the geometry of the vascular system as boundary conditions, wherein each CFD simulation corresponds to respective CFD input parameters. The processor is further configured to obtain, from each CFD simulation, simulated temperatures over time at positions corresponding to the positions in the vascular system and estimate the blood flow rate in the vascular system including comparing the temperature measurements over time to the simulated temperatures over time corresponding to different CFD input parameters.
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公开(公告)号：EP3738515A1
公开(公告)日：2020-11-18
申请号：EP19175161.9
申请日：2019-05-17
摘要： A system and method for tracking an object (14) received within a body (16) using ultrasound wherein shifts in position of an ultrasound probe (20) tracking the object (either deliberate or accidental) can be corrected for. The method comprises tracking a position of the object through the body using an ultrasound transducer unit, and sensing movement of the ultrasound transducer unit using a physically coupled motion sensor (26). From the movement of the ultrasound transducer unit, movement of its field of view (24) can be determined. Based on a tracked history of positions (28) of the object through the field of view, and on the tracked movement of the field of view relative to the body, a direction of motion of the object through the body can be derived.
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