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    • 53. 发明申请
    • MEDICAL IMAGING DEVICE WITH SEPARATE BUTTON FOR SELECTING CANDIDATE SEGMENTATION IMAGES
    • 具有分离按钮的医学成像装置,用于选择候选分割图像
    • WO2012147006A1
    • 2012-11-01
    • PCT/IB2012/051899
    • 2012-04-17
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FLORENT, Raoul
    • FLORENT, Raoul
    • A61B6/00A61B6/12
    • A61B6/461A61B6/12A61B6/463A61B6/467A61B6/481A61B6/504
    • A medical imaging device (10) allowing easy and robust representation of anatomic structures within a region of interest in a patient body is presented. The imaging device (10) comprises an image acquisition device (12), an image segmentation device (22), a visualization device (24) and a separate selection button (34). In an image of the region of interest, anatomic structures may be automatically identified using image segmentation techniques. Therein, not only one but a plurality of candidate images comprising differently identified anatomic structures is provided. The plurality of candidate images may be visualized on a display (26) sequentially or in an overlying manner. Using the easy accessible and easy to handle separate selection button (34), a physician may cycle through the plurality of candidate images and manually select one candidate image only by activating the selection button (34) for further exploitation. Thereby, automated segmentation techniques may be combined with the physician's experience thereby significantly increasing the robustness of a selected representation of anatomic structures while reducing human interaction to a minimum.
    • 呈现允许在患者体内感兴趣的区域内的解剖结构容易且鲁棒地表示的医学成像装置(10)。 成像装置(10)包括图像获取装置(12),图像分割装置(22),可视化装置(24)和单独的选择按钮(34)。 在感兴趣区域的图像中,可以使用图像分割技术自动识别解剖结构。 其中,不仅提供包括不同识别的解剖结构的一个但是多个候选图像。 多个候选图像可以在显示器(26)上顺序地或以重叠的方式可视化。 使用易于访问和容易处理的单独的选择按钮(34),医师可以循环通过多个候选图像,并且仅通过激活选择按钮(34)手动选择一个候选图像以供进一步利用。 因此,自动分割技术可以与医师的经验组合,从而显着增加所选择的解剖结构表示的鲁棒性,同时将人类交互减小到最小。
    • 56. 发明申请
    • FAIL-SAFE AND EASY ACCESS LOCK FOR MRI RECEIVER COIL
    • 磁共振接收机线圈失效安全和轻松访问锁定
    • WO2012143827A1
    • 2012-10-26
    • PCT/IB2012/051791
    • 2012-04-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FRIMAN, Olli, Tapio
    • FRIMAN, Olli, Tapio
    • G01R33/34
    • G01R33/34092G01R33/30G01R33/34007G01R33/34084G01R33/3415
    • A local radio frequency (RF) coil assembly (A) defining a pediatric patient receiving region (12) to be mounted to a patient support table (B) of an MRI scanner (E). The local RF coil assembly (A) includes a rigid coil body (16,18) operatively connected to an adjustable coil part (20) along a hinge axis (26). A carrier (F) is configured to receive a pediatric patient (C) and be positioned into engagement with the local RF coil assembly (A).An interlock assembly (51) holds the adjustable coil part (20) in a selected position (50) when the carrier (F) interacts with the adjustable coil part (20). At least one bearing (34, 36) is configured to pivot and bias the adjustable coil part (20) relative to the carrier (F) and gravity bias the interlock assembly and the carrier (F) into an interlocking engagement. The adjustable coil part (20) is gravity biased to the open position (28) when the carrier (F) is removed.
    • 定义要安装到MRI扫描仪(E)的患者支撑台(B)的儿科患者接收区域(12)的局部射频(RF)线圈组件(A)。 本地RF线圈组件(A)包括沿着铰链轴线(26)可操作地连接到可调节线圈部分(20)的刚性线圈体(16,18)。 托架(F)被构造成接纳儿科患者(C)并定位成与本地RF线圈组件(A)接合。互锁组件(51)将可调线圈部分(20)保持在选定位置(50 )当载体(F)与可调线圈部分(20)相互作用时。 至少一个轴承(34,36)构造成相对于所述载体(F)枢转并偏压所述可调节线圈部分(20),并将所述联锁组件和所述载体(F)重力偏置成互锁接合。 当载物(F)被移除时,可调线圈部分(20)被重力偏压到打开位置(28)。
    • 57. 发明申请
    • INTERLEAVED BLACK AND BRIGHT BLOOD DYNAMIC CONTRAST ENHANCED (DCE) MRI
    • 交互式BLACK和BRIGHT BLOOD动态对比增强(DCE)MRI
    • WO2012143824A1
    • 2012-10-26
    • PCT/IB2012/051779
    • 2012-04-12
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHUNIVERSITY OF WASHINGTONWANG, JinnanCHEN, HuijunBÖRNERT, PeterYUAN, Chun
    • WANG, JinnanCHEN, HuijunBÖRNERT, PeterYUAN, Chun
    • G01R33/563
    • G01R33/48G01R33/56316G01R33/5635
    • Interleaved black/bright imaging (IBBI) is performed using a magnetic resonance (MR) scanner (10) wherein the black blood module (52) of the IBBI includes: applying a first flow sensitization gradient; applying a spoiler gradient after applying the first flow sensitization gradient; applying a second flow sensitization gradient after applying the spoiler gradient wherein the second flow sensitization gradient has area equal to the first flow sensitation gradient but of opposite polarity; applying a slice selective radio frequency excitation pulse after applying the spoiler gradient; and performing a MR readout after applying the second flow sensitization gradient and after applying the slice selective radio frequency excitation wherein the readout acquires MR imaging data having blood signal suppression in the region excited by the slice selective radio frequency excitation pulse. The MR imaging data having blood signal suppression is reconstructed to generate black blood images (20), and MR imaging data generated by bright blood modules (50) of the IBBI is reconstructed to generate bright blood images (22).
    • 使用磁共振(MR)扫描器(10)进行交错黑/亮成像(IBBI),其中IBBI的黑血模块(52)包括:施加第一流感敏化梯度; 在应用第一流感敏化梯度后应用扰流板梯度; 在施加扰流板梯度之后施加第二流动增感梯度,其中第二流动增感梯度具有等于第一流动感觉梯度但具有相反极性的面积; 应用扰流板梯度后应用切片选择性射频激励脉冲; 以及在应用所述第二流敏增强梯度之后并且在施加所述切片选择性射频激发之后执行MR读出,其中所述读出器获取在由所述切片选择性射频激励脉冲激发的区域中具有血液信号抑制的MR成像数据。 重建具有血液信号抑制的MR成像数据以产生黑血图像(20),并重建由IBBI的亮血模块(50)产生的MR成像数据,以产生亮血图像(22)。