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    MAGNETIC RESONANCE FINGERPRINTING DATA COLLECTION AND ANALYSIS SYSTEM
    21.
    发明公开
    MAGNETIC RESONANCE FINGERPRINTING DATA COLLECTION AND ANALYSIS SYSTEM 有权
    磁共振指纹数据采集与分析系统

    公开(公告)号：EP3224642A1

    公开(公告)日：2017-10-04

    申请号：EP15794584.1

    申请日：2015-11-16

    申请人： Koninklijke Philips N.V.

    发明人： AMTHOR, Thomas Erik ,  KRUEGER, Sascha ,  DONEVA, Mariya Ivanova ,  KOKEN, Peter ,  SENEGAS, Julien ,  KEUPP, Jochen ,  BOERNERT, Peter

    IPC分类号： G01R33/44 ,  G01R33/48 ,  G01R33/50 ,  G06F21/32 ,  G06F19/00

    CPC分类号： G01R33/5608 ,  G01R33/4828 ,  G01R33/50 ,  G06F21/32 ,  G06K9/6232 ,  G06K2209/05 ,  G16H50/20 ,  G16H50/70

    摘要： A method of employing a central computer database (18) for supporting a characterization of tissue by magnetic resonance fingerprinting measurements, including steps of —exciting nuclei of a subject of interest by applying (50) a radio frequency excitation field B1 generated according to a magnetic resonance fingerprinting sequence (38), —acquiring (52) magnetic resonance imaging signal data from radiation emitted by excited nuclei of the subject of interest, —transferring (54) a magnetic resonance fingerprinting data set (42) to the central computer database (18), —retrieving (56) a predefined dictionary from the central computer database (18), —matching (60) the acquired magnetic resonance imaging signal data to the retrieved dictionary by applying a pattern recognition algorithm to determine a value (40) or a set of values (40) for at least one physical quantity (T1, T2), —adding (62) at least the determined value (40) or the determined set of values (40) as a new entry of an associated medical data set (36) to the central computer database (18), and —making (64) the new entry of an associated medical data set (36) accessible to users of the central computer database (18); and —a magnetic resonance fingerprinting data collection and analysis system (10) comprising a central computer database, a data receiving unit (20), a data output unit (22) and a data analysis device (26) configured to carry out the method.

    摘要翻译： 一种采用中央计算机数据库（18）以通过磁共振指纹测量来支持组织表征的方法，该方法包括以下步骤： - 通过施加（50）根据磁场产生的射频激励场B1来激励目标对象的核 - 从所述感兴趣对象的激发核发射的辐射获取（52）磁共振成像信号数据， - 将磁共振指纹识别数据集（42）传送（54）到所述中央计算机数据库（18） ）， - 从中​​央计算机数据库（18）中检索（56）预定义词典， - 通过应用模式识别算法以将所采集的磁共振成像信号数据匹配（60）到检索的词典以确定值（40）或 - 将至少一个物理量（T1，T2）的值集合（40）加入至少确定的值（40）或确定的一组值（40）作为关联的新条目 （18）的用户可访问的相关医疗数据集（36）的新条目;（64）中央计算机数据库（18）的用户可访问的相关医疗数据集（36）的新条目; 以及 - 包括中央计算机数据库，数据接收单元（20），数据输出单元（22）和数据分析装置（26）的磁共振指纹识别数据收集和分析系统（10），所述磁共振指纹识别数据收集和分析系统被配置为执行所述方法。

    MAGNETIC RESONANCE FINGERPRINTING QUALITY ASSURANCE
    25.
    发明公开
    MAGNETIC RESONANCE FINGERPRINTING QUALITY ASSURANCE 审中-公开

    公开(公告)号：EP3936881A1

    公开(公告)日：2022-01-12

    申请号：EP20184226.7

    申请日：2020-07-06

    申请人： Koninklijke Philips N.V.

    发明人： AMTHOR, Thomas Erik ,  DONEVA, Mariya Ivanova ,  KOKEN, Peter ,  NEHRKE, Kay

    IPC分类号： G01R33/56 ,  G01R33/561

    摘要： Disclosed herein is a medical system (100, 300) comprising a memory (110) storing machine executable instructions (120) and an MRF scoring module (122). The MRF scoring module is configured for outputting an MRF quality score (126) in response to receiving MRF data (124) as input. The medical system further comprises a computational system (106) configured for controlling the medical system, wherein execution of the machine executable instructions causes the computational system to: receive (200) the MRF data; receive (202) the MRF quality score in response to inputting the MRF data into an MRF scoring module; append (206) the MRF quality score to the MRF data if the MRF quality score is within a predetermined range (128); and provide (208) a signal (132) if the MRF quality score is outside of the predetermined range.

    COMBINED X-RAY SYSTEM AND PILOT TONE SYSTEM
    26.
    发明公开
    COMBINED X-RAY SYSTEM AND PILOT TONE SYSTEM 审中-公开

    公开(公告)号：EP3741301A1

    公开(公告)日：2020-11-25

    申请号：EP19175305.2

    申请日：2019-05-20

    申请人： Koninklijke Philips N.V.

    发明人： LEUSSLER, Christoph ,  FINDEKLEE, Christian ,  MEINEKE, Jan Jakob ,  VERNICKEL, Peter ,  KOKEN, Peter

    IPC分类号： A61B6/00

    摘要： Disclosed is an X-ray system (100, 700) configured for acquiring medical imaging data (134) from a subject (102) at least partially within an imaging zone (105). The X-ray system comprises a memory (128) storing machine executable instructions (130). The X-ray system further comprises a processor (122) configured for controlling the X-ray system. The X-ray system further comprises a pilot tone system (106), wherein the pilot tone system comprises a radio frequency system (108) comprising at least one transmit channel (110) and at least one receive channel (112). The at least one transmit channel is configured for transmitting at least one pilot tone signal (136) via at least one transmit coil (114). The at least one receive channel is configured for receiving pilot tone data (138) via at least one receive coil (116). Execution of the machine executable instructions causes the processor to: transmit (202) the at least one pilot tone signal by controlling the at least one transmit channel; acquire (204) the pilot tone data by controlling the at least one receive channel; and determine (206) a motion state (140, 700, 700', 702, 702') of the subject using the pilot tone data.

    CAMERA-BASED COIL CONFIGURATION IN MRI
    28.
    发明公开
    CAMERA-BASED COIL CONFIGURATION IN MRI 审中-公开

    公开(公告)号：EP3520687A1

    公开(公告)日：2019-08-07

    申请号：EP18155081.5

    申请日：2018-02-05

    申请人： Koninklijke Philips N.V.

    发明人： KRUEGER, Sascha ,  SENEGAS, Julien ,  KOKEN, Peter ,  VAN DEN BRINK, Johan Samuel

    IPC分类号： A61B5/00 ,  A61B5/055

    摘要： The invention provides for a medical apparatus (100) for imaging a target volume (130) of a subject (106), comprising:
    - a coil arrangement (109) being configured to be disposed on the subject (106) and to receive signals from the subject;
    - a scanning sensor (110);
    - a scanning imaging system (121) being configured for acquiring image data from a predefined imaging zone (124) using the coil arrangement (109);
    - a memory (120) containing machine executable instructions (140);
    - a processor (116), wherein execution of the machine executable instructions (140) cause the processor (116) to:
    - acquire with the sensor (110) sensor data that can be used to generate a of the subject (106) and the coil arrangement;
    - identify coil image data representing the coil (109) in the sensor data (142);
    - determine values of one or more configuration parameters of the coil (109) using the identified coil image data;
    - determine using the parameter values and the sensor data (142) a scan position indicative of a position of the target volume (130) within the imaging zone (124); and
    - control the scanning imaging system (121) for acquiring the image data from the target volume (130) in accordance with the determined scan position.

    MAGNETIC RESONANCE FINGERPRINTING IN FOURIER SPACE
    29.
    发明公开
    MAGNETIC RESONANCE FINGERPRINTING IN FOURIER SPACE 审中-公开

    公开(公告)号：EP3425416A1

    公开(公告)日：2019-01-09

    申请号：EP17179547.9

    申请日：2017-07-04

    申请人： Koninklijke Philips N.V.

    发明人： SOMMER, Karsten ,  AMTHOR, Thomas Erik ,  MEINEKE, Jan Jakob ,  KOKEN, Peter ,  DONEVA, Mariya Ivanova

    IPC分类号： G01R33/50 ,  G01R33/56 ,  G01R33/561 ,  A61B5/00 ,  A61B5/055 ,  G01R33/565

    摘要： The invention relates to a magnetic resonance imaging system (100, 400) comprising a memory (134) for storing machine executable instructions (140) and MRF pulse sequence commands (142). The MRF pulse sequence commands are configured for controlling the magnetic resonance imaging system to acquire MRF magnetic resonance data (144) according to a magnetic resonance fingerprinting protocol. The memory further contains a Fourier transformed magnetic resonance finger printing dictionary (150). The Fourier transformed magnetic resonance finger printing dictionary comprises entries for at least one intrinsic property (152). The magnetic resonance imaging system further comprises a processor (130) for controlling the magnetic resonance imaging system. Execution of the machine executable instructions causes the processor to: acquire (200) MRF magnetic resonance data (144) descriptive of a region of interest (109) by controlling the magnetic resonance imaging system with the MRF pulse sequence commands, wherein the region of interest is divided into voxels; construct (202) an MRF signal (146) for each of the voxels using the MRF magnetic resonance data; construct (204) a Fourier transformed MRF signal (148) by Fourier transforming the MRF signal for each of the voxels; and determine (206) the least one intrinsic property for each of the voxels using the Fourier transformed MRF signal and the Fourier transformed magnetic resonance finger printing dictionary. The Fourier transformed MRF signal is truncated to a predetermined number of terms before determining the at least one intrinsic property.

    MR FINGERPRINTING FOR DETERMINING PERFORMANCE DEGRADATION OF THE MR SYSTEM
    30.
    发明公开
    MR FINGERPRINTING FOR DETERMINING PERFORMANCE DEGRADATION OF THE MR SYSTEM 审中-公开
    指纹图谱确定MR系统性能的研究

    公开(公告)号：EP3254129A1

    公开(公告)日：2017-12-13

    申请号：EP16701172.5

    申请日：2016-01-22

    申请人： Koninklijke Philips N.V.

    发明人： BOERNERT, Peter ,  DONEVA, Mariya Ivanova ,  AMTHOR, Thomas Erik ,  KOKEN, Peter ,  KEUPP, Jochen

    IPC分类号： G01R33/46 ,  G01R33/54 ,  G01R33/58 ,  G06F19/00 ,  G01R33/48

    CPC分类号： G01R33/4625 ,  G01R33/4828 ,  G01R33/54 ,  G01R33/546 ,  G01R33/58 ,  G06F19/00 ,  G16H40/40

    摘要： The invention provides for a method of operating a magnetic resonance system for acquiring magnetic resonance data (152) from a phantom (124) within a measurement (zone 108). The phantom comprises a known volume of at least one predetermined substance ((128), 130). The method comprises the step of acquiring (300) the magnetic resonance data by controlling the magnetic resonance system with pulse sequence instructions (150). The pulse sequence instructions cause the magnetic resonance system to acquire the magnetic resonance data according to a magnetic resonance fingerprinting technique. The pulse sequence instructions specify a train of pulse sequence repetitions. Each pulse sequence repetition has a repetition time chosen from a distribution of repetition times. Each pulse sequence repetition comprises a radio frequency pulse chosen from a distribution of radio frequency pulses. The distribution of radio frequency pulses cause magnetic spins to rotate to a distribution of flip angles. Each pulse sequence repetition comprises a sampling event where the magnetic resonance signal is sampled for a predetermined duration at a sampling time before the end of the pulse sequence repetition. The method further comprises determining (302) one or more performance degradation conditions of the magnetic resonance system by comparing the magnetic resonance data with a magnetic resonance fingerprinting dictionary (154). The magnetic resonance fingerprinting dictionary contains a listing of magnetic resonance signals for a set of system states in response to execution of the pulse sequence instructions for each of the at least one predetermined substance.