公开(公告)号：US06556010B2

公开(公告)日：2003-04-29

申请号：US09880209

申请日：2001-06-13

申请人： Johan Samuel Van Den Brink ,  Julius Simon Cohen

发明人： Johan Samuel Van Den Brink ,  Julius Simon Cohen

IPC分类号： G01V300

CPC分类号： G01R33/5611 ,  G01R33/246 ,  G01R33/3415 ,  G01R33/56545 ,  G01R33/5659

摘要： A magnetic resonance imaging system is provided with a system of emission antennas,: for example, emission coils, for generating RF excitation pulses. The RF excitation pulses generate magnetic resonance signals from an object to be examined. The system of emission antennas has a spatially inhomogeneous emission profile. The inhomogeneous emission profile is used for the partial spatial encoding of the magnetic resonance signals in addition to the encoding on the basis of magnetic gradient fields. The magnetic resonance image is reconstructed on the basis of the inhomogeneous emission profile

摘要翻译： 磁共振成像系统设置有用于产生RF激励脉冲的发射天线系统，例如发射线圈。 RF激励脉冲从被检查物体产生磁共振信号。 发射天线系统具有空间不均匀的发射特征。 除了基于磁梯度场的编码之外，不均匀发射分布用于磁共振信号的部分空间编码。 基于非均匀发射谱重建磁共振图像

公开(公告)号：US06609015B2

公开(公告)日：2003-08-19

申请号：US09912127

申请日：2001-07-24

申请人： Gerhardus Wilhelmus Lucassen ,  Gerwin Jan Puppels ,  Peter Jacobus Caspers ,  Marjolein Van Der Voort ,  Egbert Lenderink ,  Martinus Bernardus Van Der Mark ,  Robert Frans Maria Hendriks ,  Julius Simon Cohen

发明人： Gerhardus Wilhelmus Lucassen ,  Gerwin Jan Puppels ,  Peter Jacobus Caspers ,  Marjolein Van Der Voort ,  Egbert Lenderink ,  Martinus Bernardus Van Der Mark ,  Robert Frans Maria Hendriks ,  Julius Simon Cohen

IPC分类号： A61B500

CPC分类号： G01N21/65 ,  A61B5/0068 ,  A61B5/0075 ,  A61B5/489 ,  A61B5/6824 ,  A61B5/7207 ,  A61B2562/0242 ,  G01N2021/656 ,  G02B21/0024 ,  G02B21/008

摘要： An analysis apparatus including a spectroscopic analysis apparatus comprises an excitation system and a monitoring system. The excitation system emits an excitation beam to excite a target region during an excitation period. The monitoring system emits a monitoring beam to image the target region during a monitoring period. The excitation period and the monitoring period substantially overlap. Hence the target region is imaged together with the excitation, and an image is formed displaying both the target region and the excitation area. On the basis of this image, the excitation beam can be very accurately aimed at the target region.