公开(公告)号：US20080259897A1

公开(公告)日：2008-10-23

申请号：US12097554

申请日：2006-12-20

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Jeff Bennett ,  Marc Paul Saes ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Robert Paul Kleihorst ,  Dagnachew Birru

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Jeff Bennett ,  Marc Paul Saes ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Robert Paul Kleihorst ,  Dagnachew Birru

IPC分类号： H04J3/00

CPC分类号： G01R33/283 ,  G01R33/3692 ,  G01R33/56383

摘要： A method and an arrangement for uni- or bidirectional wireless communication of signals or data especially in a reflective environment like a MR imaging system, between at least one first transmitter and/or receiver unit (501, 601, 701; T/R1) and at least one second transmitter and/or receiver unit (801; T/R2) is disclosed. The reliability and availability of the communication link especially in a highly reflective environment is improved especially by using spread spectrum technology and ultra wide band carrier frequencies.

摘要翻译： 一种用于信号或数据的单向或双向无线通信的方法和装置，特别是在诸如MR成像系统的反射环境中，在至少一个第一发射器和/或接收器单元（501,601,701; T / R 1）之间， 并且公开了至少一个第二发射机和/或接收机单元（801; T / R 2）。 特别是在高反射环境中通信链路的可靠性和可用性得到了改进，特别是通过使用扩频技术和超宽带载波频率。

公开(公告)号：US08155101B2

公开(公告)日：2012-04-10

申请号：US12097554

申请日：2006-12-20

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Jeff Bennett ,  Marc Paul Saes ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Robert Paul Kleihorst ,  Dagnachew Birru

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Jeff Bennett ,  Marc Paul Saes ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Robert Paul Kleihorst ,  Dagnachew Birru

IPC分类号： H04J3/00

CPC分类号： G01R33/283 ,  G01R33/3692 ,  G01R33/56383

摘要： A method and an arrangement for uni- or bidirectional wireless communication of signals or data especially in a reflective environment like a MR imaging system, between at least one first transmitter and/or receiver unit (501, 601, 701; T/R1) and at least one second transmitter and/or receiver unit (801; T/R2) is disclosed. The reliability and availability of the communication link especially in a highly reflective environment is improved especially by using spread spectrum technology and ultra wide band carrier frequencies.

摘要翻译： 一种用于信号或数据的单向或双向无线通信的方法和装置，特别是在诸如MR成像系统的反射环境中，在至少一个第一发射机和/或接收机单元（501,601,701; T / R1）和 公开了至少一个第二发射机和/或接收机单元（801; T / R2）。 特别是在高反射环境中通信链路的可靠性和可用性得到了改进，特别是通过使用扩频技术和超宽带载波频率。

公开(公告)号：US20090267601A1

公开(公告)日：2009-10-29

申请号：US11718451

申请日：2005-10-31

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Filips Van Liere ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Marcellus Hendricus Marinus Waltherus Melters ,  Cornelis Leonardus Gerardus Ham ,  Marc Saes

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Filips Van Liere ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Marcellus Hendricus Marinus Waltherus Melters ,  Cornelis Leonardus Gerardus Ham ,  Marc Saes

IPC分类号： G01R33/48

CPC分类号： G01R33/3692 ,  G01R33/3415 ,  G01R33/3621

摘要： The invention relates to a device (1) for magnetic resonance imaging of a body (7) placed in a stationary and substantially homogeneous main magnetic field comprising a main magnet (2) for generation of a stationary and substantially homogeneous main magnetic field within the examination zone. In order to provide an MR device (1) which is arranged to allow for massive parallel imaging without extensive cabling between the individual receiving coils and the back end electronics, the invention proposes to make provision for a plurality of receiving units (10a, 10b, 10c) placed in or near the examination zone, which receiving units (10a, 10b, 10c) each comprise a receiving antenna (12a, 12b, 12c) for receiving MR signals from the body, a digitizing means (21a, 21b, 21c) for sampling the received MR signals and for transforming the signal samples into digital signals, and a transmitter (22a, 22b, 22c) for transmitting the digital signals to a central processing unit (13). Further, the device (1) comprises synchronization means (17) for synchronizing the operation of the individual digitizing means (21a, 21b, 21c) of the receiving units (10a, 10b, 10c).

摘要翻译： 本发明涉及一种用于磁体共振成像的装置（1），其放置在静止且基本上均匀的主磁场中，该主磁场包括主磁体（2），用于在检查期间产生静止且基本均匀的主磁场 区。 为了提供一种MR器件（1），其被布置成允许在各个接收线圈和后端电子器件之间没有广泛布线的巨大的并行成像，本发明提出为多个接收单元（10a，10b， 10c），其中接收单元（10a，10b，10c）各自包括用于从身体接收MR信号的接收天线（12a，12b，12c），数字化装置（21a，21b，21c） 用于对所接收的MR信号进行采样并将信号样本变换为数字信号;以及用于将数字信号发送到中央处理单元（13）的发射器（22a，22b，22c）。 此外，装置（1）包括用于使接收单元（10a，10b，10c）的各个数字化装置（21a，21b，21c）的操作同步的同步装置（17）。

公开(公告)号：US07750635B2

公开(公告)日：2010-07-06

申请号：US11718451

申请日：2005-10-31

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Filips Van Liere ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Marcellus Hendricus Marinus Waltherus Melters ,  Cornelis Leonardus Gerardus Ham ,  Marc Saes

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Filips Van Liere ,  Lambertus De Vries ,  Johannes Hendrik Den Boef ,  Marcellus Hendricus Marinus Waltherus Melters ,  Cornelis Leonardus Gerardus Ham ,  Marc Saes

IPC分类号： G01V3/00

CPC分类号： G01R33/3692 ,  G01R33/3415 ,  G01R33/3621

摘要： The invention relates to a device (1) for magnetic resonance imaging of a body (7) placed in a stationary and substantially homogeneous main magnetic field comprising a main magnet (2) for generation of a stationary and substantially homogeneous main magnetic field within the examination zone. In order to provide an MR device (1) which is arranged to allow for massive parallel imaging without extensive cabling between the individual receiving coils and the back end electronics, the invention proposes to make provision for a plurality of receiving units (10a, 10b, 10c) placed in or near the examination zone, which receiving units (10a, 10b, 10c) each comprise a receiving antenna (12a, 12b, 12c) for receiving MR signals from the body, a digitizing means (21a, 21b, 21c) for sampling the received MR signals and for transforming the signal samples into digital signals, and a transmitter (22a, 22b, 22c) for transmitting the digital signals to a central processing unit (13). Further, the device (1) comprises synchronization means (17) for synchronizing the operation of the individual digitizing means (21a, 21b, 21c) of the receiving units (10a, 10b, 10c).

摘要翻译： 本发明涉及一种用于磁体共振成像的装置（1），其放置在静止且基本上均匀的主磁场中，该主磁场包括主磁体（2），用于在检查期间产生静止且基本均匀的主磁场 区。 为了提供一种MR器件（1），其被布置成允许在各个接收线圈和后端电子器件之间没有广泛布线的巨大的并行成像，本发明提出为多个接收单元（10a，10b， 10c），其中接收单元（10a，10b，10c）各自包括用于从身体接收MR信号的接收天线（12a，12b，12c），数字化装置（21a，21b，21c） 用于对所接收的MR信号进行采样并将信号样本变换为数字信号;以及用于将数字信号发送到中央处理单元（13）的发射器（22a，22b，22c）。 此外，装置（1）包括用于使接收单元（10a，10b，10c）的各个数字化装置（21a，21b，21c）的操作同步的同步装置（17）。

公开(公告)号：US20080191695A1

公开(公告)日：2008-08-14

申请号：US11909164

申请日：2006-03-20

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Marc Paul Saes ,  Johan Samuel Van Den Brink ,  Robert Paul Kleihorst ,  Paulus Cornelius Hendrikus Adrianus Haans

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Marc Paul Saes ,  Johan Samuel Van Den Brink ,  Robert Paul Kleihorst ,  Paulus Cornelius Hendrikus Adrianus Haans

IPC分类号： G01R33/36

CPC分类号： G01R33/3621 ,  G01R33/3415 ,  G01R33/3692

摘要： The present invention relates to a magnetic resonance imaging system, to a magnetic resonance imaging method for operating a magnetic resonance imaging system and to a computer program for operating a magnetic resonance imaging system. In order to considerably reduce the number of cabling in a magnetic resonance imaging system a magnetic resonance imaging system (1) is suggested, the system comprising: an examination zone (5) arranged to receive a body for examination; magnetic field generating means (9, 10, 24) for generating a magnetic field in the examination zone (5); a receiving unit (14) located in the examination zone (5) or in the vicinity of the examination zone (5); an interface unit (17) located in the examination zone (5) or in the vicinity of the examination zone (5), and arranged separately from the receiving unit (14); and a signal processing unit (21) disposed at a location (2) remote from the receiving unit (14) and the interface unit (17); wherein the receiving unit (14) comprising a receiver (15) adapted to receive a spin resonance signal generated in the examination zone (5), and a transmitter (16) adapted to transmit the spin resonance signal to the interface unit (17); and wherein the interface unit (17) comprises a receiver (20) for receiving the spin resonance signals, an analog to digital converter (19) adapted to generate a digital signal in response to the received spin resonance signal, and a transmitter (20) for transmitting the digitized signal to the signal processing unit (21).

摘要翻译： 磁共振成像系统技术领域本发明涉及一种用于操作磁共振成像系统的磁共振成像方法和用于操作磁共振成像系统的计算机程序的磁共振成像系统。 为了大大减少磁共振成像系统中的电缆数量，建议使用磁共振成像系统（1），该系统包括：检查区域（5），布置成接收检查体; 用于在检查区（5）中产生磁场的磁场产生装置（9,10,24）; 位于检查区（5）或检查区（5）附近的接收单元（14）; 位于所述检查区域（5）中或所述检查区域（5）附近的接口单元（17），并且与所述接收单元（14）分开布置; 以及设置在远离所述接收单元（14）和所述接口单元（17）的位置（2）处的信号处理单元（21）。 其中所述接收单元（14）包括适于接收在所述检查区（5）中产生的自旋共振信号的接收器（15）和适于将所述自旋共振信号传输到所述接口单元（17）的发射器（16）。 并且其中所述接口单元（17）包括用于接收所述自旋谐振信号的接收器（20），适于响应于所接收的自旋谐振信号产生数字信号的模数转换器（19），以及发射器（20） 用于将数字化信号发送到信号处理单元（21）。

公开(公告)号：US07746072B2

公开(公告)日：2010-06-29

申请号：US11909164

申请日：2006-03-20

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Marc Paul Saes ,  Johan Samuel Van Den Brink ,  Robert Paul Kleihorst ,  Paulus Cornelius Hendrikus Adrianus Haans

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Marc Paul Saes ,  Johan Samuel Van Den Brink ,  Robert Paul Kleihorst ,  Paulus Cornelius Hendrikus Adrianus Haans

IPC分类号： G01V3/00

CPC分类号： G01R33/3621 ,  G01R33/3415 ,  G01R33/3692

摘要： The present invention relates to a magnetic resonance imaging system, to a magnetic resonance imaging method for operating a magnetic resonance imaging system and to a computer program for operating a magnetic resonance imaging system. In order to considerably reduce the number of cabling in a magnetic resonance imaging system a magnetic resonance imaging system (1) is suggested, the system comprising: an examination zone (5) arranged to receive a body for examination; magnetic field generating means (9, 10, 24) for generating a magnetic field in the examination zone (5); a receiving unit (14) located in the examination zone (5) or in the vicinity of the examination zone (5); an interface unit (17) located in the examination zone (5) or in the vicinity of the examination zone (5), and arranged separately from the receiving unit (14); and a signal processing unit (21) disposed at a location (2) remote from the receiving unit (14) and the interface unit (17); wherein the receiving unit (14) comprising a receiver (15) adapted to receive a spin resonance signal generated in the examination zone (5), and a transmitter (16) adapted to transmit the spin resonance signal to the interface unit (17); and wherein the interface unit (17) comprises a receiver (20) for receiving the spin resonance signals, an analog to digital converter (19) adapted to generate a digital signal in response to the received spin resonance signal, and a transmitter (20) for transmitting the digitized signal to the signal processing unit (21).

摘要翻译： 磁共振成像系统技术领域本发明涉及一种用于操作磁共振成像系统的磁共振成像方法和用于操作磁共振成像系统的计算机程序的磁共振成像系统。 为了大大减少磁共振成像系统中的电缆数量，建议使用磁共振成像系统（1），该系统包括：检查区域（5），布置成接收检查体; 用于在检查区（5）中产生磁场的磁场产生装置（9,10,24）; 位于检查区（5）或检查区（5）附近的接收单元（14）; 位于所述检查区域（5）中或所述检查区域（5）附近的接口单元（17），并且与所述接收单元（14）分开布置; 以及设置在远离所述接收单元（14）和所述接口单元（17）的位置（2）处的信号处理单元（21）。 其中所述接收单元（14）包括适于接收在所述检查区（5）中产生的自旋共振信号的接收器（15）和适于将所述自旋共振信号传输到所述接口单元（17）的发射器（16）。 并且其中所述接口单元（17）包括用于接收所述自旋谐振信号的接收器（20），适于响应于所接收的自旋谐振信号产生数字信号的模数转换器（19），以及发射器（20） 用于将数字化信号发送到信号处理单元（21）。

公开(公告)号：US20120098542A1

公开(公告)日：2012-04-26

申请号：US13379665

申请日：2010-06-21

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Johannes Den Boef ,  Filips Van Liere ,  Lambertus De Vries

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Johannes Den Boef ,  Filips Van Liere ,  Lambertus De Vries

IPC分类号： G01R33/36

CPC分类号： G01R33/3657 ,  G01R33/341 ,  G01R33/3692

摘要： The invention relates to a RF reception antenna device (10) for receiving MR signals in a MR imaging system. The device (10) comprises a RF resonant circuit including a RF reception antenna (15) for picking up the MR signals, and a RF amplifier (17) connected at its input to the RF resonant circuit for amplifying the picked up MR signals. The invention proposes to make provision for a detection circuit (18) configured to derive a switching signal from an output signal of the RF amplifier (17). A switching circuit (19) is responsive to the switching signal, wherein the switching circuit (19) is configured to switch the RF resonant circuit between a resonant mode and a non-resonant (i.e. detuned) mode.

摘要翻译： 本发明涉及用于在MR成像系统中接收MR信号的RF接收天线装置（10）。 该装置（10）包括RF谐振电路，其包括用于拾取MR信号的RF接收天线（15），以及RF放大器（17），其RF输入端连接到RF谐振电路，用于放大拾取的MR信号。 本发明提出提供一种用于从RF放大器（17）的输出信号导出切换信号的检测电路（18）。 开关电路（19）响应于开关信号，其中开关电路（19）被配置为在谐振模式和非谐振模式（即非谐振）模式之间切换RF谐振电路。

公开(公告)号：US20110084694A1

公开(公告)日：2011-04-14

申请号：US12997009

申请日：2009-06-15

申请人： Eberhard Waffenschmidt ,  Achim Hilgers ,  Lambertus De Vries ,  Bjoern Weissler ,  Derk Reefman ,  Marinus Johannes Adrianus Maria Van Helvoort ,  Pieter Gerrit Blanden

发明人： Eberhard Waffenschmidt ,  Achim Hilgers ,  Lambertus De Vries ,  Bjoern Weissler ,  Derk Reefman ,  Marinus Johannes Adrianus Maria Van Helvoort ,  Pieter Gerrit Blanden

IPC分类号： G01R33/44

CPC分类号： G01R33/3692 ,  G01R33/283 ,  G01R33/3642 ,  G01R33/422

摘要： 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).

摘要翻译： 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，其中所述功率传输频率（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：US08754647B2

公开(公告)日：2014-06-17

申请号：US13379665

申请日：2010-06-21

申请人： Marinus Johannes Adrianus Maria Van Helvoort ,  Johannes Den Boef ,  Filips Van Liere ,  Lambertus De Vries

发明人： Marinus Johannes Adrianus Maria Van Helvoort ,  Johannes Den Boef ,  Filips Van Liere ,  Lambertus De Vries

IPC分类号： G01V3/00

CPC分类号： G01R33/3657 ,  G01R33/341 ,  G01R33/3692

摘要： The invention relates to a RF reception antenna device (10) for receiving MR signals in a MR imaging system. The device (10) comprises a RF resonant circuit including a RF reception antenna (15) for picking up the MR signals, and a RF amplifier (17) connected at its input to the RF resonant circuit for amplifying the picked up MR signals. The invention proposes to make provision for a detection circuit (18) configured to derive a switching signal from an output signal of the RF amplifier (17). A switching circuit (19) is responsive to the switching signal, wherein the switching circuit (19) is configured to switch the RF resonant circuit between a resonant mode and a non-resonant (i.e. detuned) mode.

摘要翻译： 本发明涉及用于在MR成像系统中接收MR信号的RF接收天线装置（10）。 该装置（10）包括RF谐振电路，其包括用于拾取MR信号的RF接收天线（15），以及RF放大器（17），其RF输入端连接到RF谐振电路，用于放大拾取的MR信号。 本发明提出提供一种用于从RF放大器（17）的输出信号导出切换信号的检测电路（18）。 开关电路（19）响应于开关信号，其中开关电路（19）被配置为在谐振模式和非谐振模式（即非谐振）模式之间切换RF谐振电路。

公开(公告)号：US08866480B2

公开(公告)日：2014-10-21

申请号：US12997009

申请日：2009-06-15

申请人： Eberhard Waffenschmidt ,  Achim Hilgers ,  Lambertus De Vries ,  Bjoern Weissler ,  Derk Reefman ,  Marinus Johannes Adrianus Maria Van Helvoort ,  Pieter Gerrit Blanden

发明人： Eberhard Waffenschmidt ,  Achim Hilgers ,  Lambertus De Vries ,  Bjoern Weissler ,  Derk Reefman ,  Marinus Johannes Adrianus Maria Van Helvoort ,  Pieter Gerrit Blanden

IPC分类号： G01V3/00 ,  G01R33/28 ,  G01R33/36 ,  G01R33/422

CPC分类号： G01R33/3692 ,  G01R33/283 ,  G01R33/3642 ,  G01R33/422

摘要： 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).

摘要翻译： 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，其中所述功率传输频率（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。