公开(公告)号：WO2009107005A3

公开(公告)日：2009-09-03

申请号：PCT/IB2009/050410

申请日：2009-02-02

Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  SOLF, Torsten, J. ,  SCHULZ, Volkmar ,  WEISSLER, Bjoern

Inventor： SOLF, Torsten, J. ,  SCHULZ, Volkmar ,  WEISSLER, Bjoern

IPC: G01T1/16

Abstract: An imaging system comprises: a magnetic resonance scanner (30) having a cylindrical bore (36) defining a cylinder axis (D A ), the magnetic resonance scanner having a gradient coil (10, 10') defining an isocenter (64) within the bore and an isoplane (66) passing through the isocenter and oriented transverse to the cylinder axis; a ring of radiation detectors (60a, 60b, 60') arranged concentric with the cylindrical bore and configured to detect radiation emanating from within the bore; and a generally annular electronic circuit board (62, 62') arranged concentric with the cylindrical bore and centered on the isoplane, the generally annular electronic circuit board operatively connected with the ring of radiation detectors to generate electrical signals indicative of detection of radiation by the ring of radiation detectors.

公开(公告)号：WO2009104116A1

公开(公告)日：2009-08-27

申请号：PCT/IB2009/050594

申请日：2009-02-13

Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  DE RIJCK, Alexander, C. ,  HUISMAN, Hendrik ,  WEISSLER, Bjoern

Inventor： DE RIJCK, Alexander, C. ,  HUISMAN, Hendrik ,  WEISSLER, Bjoern

IPC: G01R33/36

CPC classification number: G01R33/3621

Abstract: A magnetic resonance imaging (MRI) apparatus is disclosed. The apparatus has also a switched-mode power supply which is operable at a switching frequency, wherein the switching frequency is adjustable within a given switching frequency interval. The apparatus further comprises a control unit which is adapted to determine a frequency value within the given switching frequency interval so that higher harmonics of the frequency value are outside of a frequency band used for the detection of MR signals. The control unit is further adapted to set the switching frequency of the switched-mode power supply to the determined frequency value, wherein the control unit employs for the determination of the frequency value information about the frequency band of the MR signals.

Abstract translation: 公开了磁共振成像（MRI）装置。 该装置还具有可切换频率操作的开关模式电源，其中开关频率在给定的开关频率间隔内是可调节的。 该装置还包括控制单元，其适于确定在给定开关频率间隔内的频率值，使得频率值的较高谐波在用于检测MR信号的频带之外。 控制单元还适于将开关模式电源的开关频率设置为所确定的频率值，其中控制单元用于确定关于MR信号的频带的频率值信息。

公开(公告)号：WO2009153727A2

公开(公告)日：2009-12-23

申请号：PCT/IB2009/052537

申请日：2009-06-15

Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  WAFFENSCHMIDT, Eberhard ,  HILGERS, Achim ,  DE VRIES, Lambertus ,  WEISSLER, Bjoern ,  REEFMAN, Derk ,  VAN HELVOORT, Marinus, J., A., M. ,  BLANKEN, Pieter, G.

Inventor： WAFFENSCHMIDT, Eberhard ,  HILGERS, Achim ,  DE VRIES, Lambertus ,  WEISSLER, Bjoern ,  REEFMAN, Derk ,  VAN HELVOORT, Marinus, J., A., M. ,  BLANKEN, Pieter, G.

IPC: G01R33/36

CPC classification number: G01R33/3692 ,  G01R33/283 ,  G01R33/3642 ,  G01R33/422

Abstract: The invention relates to a nuclear magnetic resonance imaging apparatus comprising: a main magnet (122) adapted for generating a main magnetic field; at least one radio frequency receiver coil unit (144) for acquiring magnetic resonance signals in a receiver coil radio frequency band (202) from an examined object (124); means (140) for inductively supplying electric power to an electric component of the apparatus, wherein the electric component is adapted to be powered by inductively supplied electric power, wherein the power transfer frequency (200) and the higher harmonics (206) of the power transfer frequency (200) for inductively supplying the electric power are located outside the receiver coil radio frequency band (202).

Abstract translation: 本发明涉及一种核磁共振成像装置，包括：适于产生主磁场的主磁体（122）; 至少一个射频接收器线圈单元（144），用于从被检查物体（124）获取接收器线圈无线电频带（202）中的磁共振信号; 用于向所述装置的电气部件感应地提供电力的装置（140），其中所述电气部件适于由感应供应的电力供电，其中所述功率传递频率（200）和所述功率的高次谐波（206） 用于感应供电的传送频率（200）位于接收线圈无线电频带（202）的外侧。

公开(公告)号：WO2009004521A2

公开(公告)日：2009-01-08

申请号：PCT/IB2008052477

申请日：2008-06-23

Applicant: KONINKL PHILIPS ELECTRONICS NV ,  PHILIPS INTELLECTUAL PROPERTY ,  MORICH MICHAEL A ,  DEMEESTER GORDON D ,  GRIESMER JEROME J ,  SOLF TORSTEN J ,  SCHULZ VOLKMAR ,  WEISSLER BJOERN

Inventor： MORICH MICHAEL A ,  DEMEESTER GORDON D ,  GRIESMER JEROME J ,  SOLF TORSTEN J ,  SCHULZ VOLKMAR ,  WEISSLER BJOERN

CPC classification number: G01T1/1603 ,  G01R33/3806 ,  G01R33/3856 ,  G01R33/481

Abstract: In a hybrid PET-MR system, PET detector elements (30) are added in the bore (14), in close proximity to the gradient coils (16). Fluid coolant is supplied to transfer heat from the PET detector elements (30). Thermal insulation (80) insulates the fluid coolant and the PET detector elements (30) from the gradient coils (16). In some embodiments, a first coolant path (90) is in thermal communication with the electronics, a second coolant path (92) is in thermal communication with the light detectors, and a thermal barrier (94, 96) is arranged between the first and second coolant paths such that the first and second coolant paths can be at different temperatures (Te, Td). In some embodiments a sealed heat pipe (110) is in thermal communication with a heat sink such that working fluid in the heat pipe undergoes vaporization/condensation cycling to transfer heat from the detector elements to the heat sink.

Abstract translation: 在混合PET-MR系统中，将PET检测器元件（30）添加到孔（14）中，靠近梯度线圈（16）。 供应流体冷却剂以从PET检测器元件（30）传递热量。 绝热（80）使流体冷却剂和PET检测器元件（30）与梯度线圈（16）绝缘。 在一些实施例中，第一冷却剂路径（90）与电子设备热连通，第二冷却剂路径（92）与光检测器热连通，并且热障（94,96）布置在第一和第 第二冷却剂路径使得第一和第二冷却剂路径可处于不同的温度（Te，Td）。 在一些实施例中，密封的热管（110）与散热器热连通，使得热管中的工作流体经历蒸发/冷凝循环以将热量从检测器元件传递到散热器。

公开(公告)号：WO2009153727A3

公开(公告)日：2010-02-25

申请号：PCT/IB2009052537

申请日：2009-06-15

Applicant: KONINKL PHILIPS ELECTRONICS NV ,  PHILIPS INTELLECTUAL PROPERTY ,  WAFFENSCHMIDT EBERHARD ,  HILGERS ACHIM ,  DE VRIES LAMBERTUS ,  WEISSLER BJOERN ,  REEFMAN DERK ,  VAN HELVOORT MARINUS J A M ,  BLANKEN PIETER G

Inventor： WAFFENSCHMIDT EBERHARD ,  HILGERS ACHIM ,  DE VRIES LAMBERTUS ,  WEISSLER BJOERN ,  REEFMAN DERK ,  VAN HELVOORT MARINUS J A M ,  BLANKEN PIETER G

IPC: G01R33/36

CPC classification number: G01R33/3692 ,  G01R33/283 ,  G01R33/3642 ,  G01R33/422

Abstract: The invention relates to a nuclear magnetic resonance imaging apparatus comprising: a main magnet (122) adapted for generating a main magnetic field; at least one radio frequency receiver coil unit (144) for acquiring magnetic resonance signals in a receiver coil radio frequency band (202) from an examined object (124); means (140) for inductively (wirelessly) supplying electric power to an electric component of the apparatus, wherein the electric component is adapted to be powered by inductively supplied electric power, wherein the power transfer frequency (200) and the higher -harmonics (206) of the power transfer frequency (200) for inductively supplying the electric power are located outside the receiver coil radio frequency band (202).

Abstract translation: 本发明涉及一种核磁共振成像装置，包括：适于产生主磁场的主磁体（122）; 至少一个射频接收器线圈单元（144），用于从被检查物体（124）获取接收器线圈无线电频带（202）中的磁共振信号; 用于感应地（无线地）向所述设备的电气部件供电的装置（140），其中所述电气部件适于由感应供应的电力供电，其中所述电力传输频率（200）和所述高次谐波（206） 用于感应供电的电力传送频率（200）位于接收线圈无线电频带（202）的外侧。

公开(公告)号：WO2009107005A2

公开(公告)日：2009-09-03

申请号：PCT/IB2009050410

申请日：2009-02-02

Applicant: KONINKL PHILIPS ELECTRONICS NV ,  PHILIPS INTELLECTUAL PROPERTY ,  SOLF TORSTEN J ,  SCHULZ VOLKMAR ,  WEISSLER BJOERN

Inventor： SOLF TORSTEN J ,  SCHULZ VOLKMAR ,  WEISSLER BJOERN

IPC: G01T1/16

CPC classification number: G01T1/1603 ,  G01R33/481

Abstract: An imaging system comprises: a magnetic resonance scanner (30) having a cylindrical bore (36) defining a cylinder axis (DA), the magnetic resonance scanner having a gradient coil (10, 10') defining an isocenter (64) within the bore and an isoplane (66) passing through the isocenter and oriented transverse to the cylinder axis; a ring of radiation detectors (60a, 60b, 60') arranged concentric with the cylindrical bore and configured to detect radiation emanating from within the bore; and a generally annular electronic circuit board (62, 62') arranged concentric with the cylindrical bore and centered on the isoplane, the generally annular electronic circuit board operatively connected with the ring of radiation detectors to generate electrical signals indicative of detection of radiation by the ring of radiation detectors.

Abstract translation: 成像系统包括：磁共振扫描器（30），其具有限定气缸轴线（DA）的圆柱孔（36），所述磁共振扫描器具有在所述孔内限定等角点（64）的梯度线圈（10,10'） 和穿过等角点并横向于气缸轴线定向的等平面（66）; 辐射检测器环（60a，60b，60'）与所述圆柱形孔同心设置，并被配置为检测从所述孔内发出的辐射; 以及与所述圆柱孔同心布置并且位于所述等平面上的大致环形的电子电路板（62,62'），所述大体上环形的电子电路板与辐射探测器环可操作地连接，以产生指示由 辐射探测器环。

公开(公告)号：WO2009004521A3

公开(公告)日：2009-01-08

申请号：PCT/IB2008/052477

申请日：2008-06-23

Applicant: KONINKLIJKE PHILIPS ELECTRONICS N.V. ,  PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBH ,  MORICH, Michael, A. ,  DEMEESTER, Gordon, D. ,  GRIESMER, Jerome, J. ,  SOLF, Torsten, J. ,  SCHULZ, Volkmar ,  WEISSLER, Bjoern

Inventor： MORICH, Michael, A. ,  DEMEESTER, Gordon, D. ,  GRIESMER, Jerome, J. ,  SOLF, Torsten, J. ,  SCHULZ, Volkmar ,  WEISSLER, Bjoern

IPC: G01T1/16 ,  G01T7/00

Abstract: In a hybrid PET-MR system, PET detector elements (30) are added in the bore (14), in close proximity to the gradient coils (16). Fluid coolant is supplied to transfer heat from the PET detector elements (30). Thermal insulation (80) insulates the fluid coolant and the PET detector elements (30) from the gradient coils (16). In some embodiments, a first coolant path (90) is in thermal communication with the electronics, a second coolant path (92) is in thermal communication with the light detectors, and a thermal barrier (94, 96) is arranged between the first and second coolant paths such that the first and second coolant paths can be at different temperatures (T e , T d ). In some embodiments a sealed heat pipe (110) is in thermal communication with a heat sink such that working fluid in the heat pipe undergoes vaporization/condensation cycling to transfer heat from the detector elements to the heat sink.