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WO2016172838A1 - Système d'imagerie par résonance magnétique et procédé d'imagerie par résonance magnétique - Google Patents

Système d'imagerie par résonance magnétique et procédé d'imagerie par résonance magnétique Download PDF

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Publication number
WO2016172838A1
WO2016172838A1 PCT/CN2015/077624 CN2015077624W WO2016172838A1 WO 2016172838 A1 WO2016172838 A1 WO 2016172838A1 CN 2015077624 W CN2015077624 W CN 2015077624W WO 2016172838 A1 WO2016172838 A1 WO 2016172838A1
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WO
WIPO (PCT)
Prior art keywords
imaged
magnetic resonance
image
resonance imaging
scanning
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2015/077624
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English (en)
Chinese (zh)
Inventor
宋晓甲
周中良
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GE Medical Systems Global Technology Co LLC
Original Assignee
GE Medical Systems Global Technology Co LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by GE Medical Systems Global Technology Co LLC filed Critical GE Medical Systems Global Technology Co LLC
Priority to PCT/CN2015/077624 priority Critical patent/WO2016172838A1/fr
Publication of WO2016172838A1 publication Critical patent/WO2016172838A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging

Definitions

  • the present invention relates to magnetic resonance imaging systems and magnetic resonance imaging methods.
  • an operator eg, a doctor
  • enter a scanning chamber to manually operate a magnetic resonance system's stent before scanning a target to be scanned (eg, a patient) to be supported by the stent to be scanned
  • the target moves into the hole of the magnet located in the magnetic resonance system.
  • the operator needs to visually check whether the predetermined portion of the object to be scanned or the object to be scanned is aligned with the scanning position in the hole, and it is necessary to manually operate the holder several times to adjust the position of the object to be scanned when misalignment is observed. Then, it is necessary to start scanning the scan target after the operator exits the scan room.
  • exemplary embodiments of the present invention provide a magnetic resonance imaging system and a magnetic resonance imaging method that can shorten scanning operation time and/or can improve alignment accuracy
  • a magnetic resonance imaging system comprising: position information acquiring means configured to acquire a position related to a position of a target to be imaged supported by a support relative to a support Information; a magnetic resonance scanning apparatus configured to scan an imaging target according to position information to obtain a magnetic resonance image of an object to be imaged.
  • a magnetic resonance imaging method characterized in that the method comprises: acquiring positional information related to a position of a target to be imaged supported by a support relative to a support; treating according to positional information The imaging target is scanned to obtain a magnetic resonance image of the object to be imaged.
  • FIG. 1 is a schematic view showing a magnetic resonance imaging system according to an exemplary embodiment
  • FIG. 2 is a schematic view showing a field of view indicator according to an exemplary embodiment
  • FIG. 3 is a flowchart illustrating a magnetic resonance imaging method, according to an exemplary embodiment.
  • FIG. 1 is a schematic diagram illustrating a magnetic resonance imaging system according to an exemplary embodiment.
  • a magnetic resonance imaging system may include a position information acquiring device 100 and a magnetic resonance scanning device 300.
  • the position information acquisition device 100 can acquire an object to be imaged that is supported by the stent 500 (for example, Patient position information relative to the position of the stent 500.
  • the location information acquiring apparatus 100 may include an image sensor 110 and a processor 130.
  • the image sensor 110 may acquire a positioning image (eg, an image signal) including the stent 500 and an object to be imaged supported by the stent 500.
  • image sensor 110 can be a charge coupled device (CCD) sensor or a complementary metal oxide semiconductor (CMOS) sensor.
  • CCD charge coupled device
  • CMOS complementary metal oxide semiconductor
  • the magnetic resonance scanning device 300 may include a magnet 310 having a hole, the holder 500 may be disposed at a front portion of the magnet 310, and the image sensor 110 may be disposed on a front plate of the magnet 310.
  • the positioning image can be acquired by the image sensor 110 before moving the object to be imaged to the scanning position in the hole of the magnet 310.
  • image sensor 110 may transmit the resulting image signal to processor 130, which may process the received image signal to obtain an image comprising stent 500 and a target to be imaged.
  • processor 130 may process the received image signal to obtain an image comprising stent 500 and a target to be imaged.
  • the processor 130 is illustrated as a separate component in FIG. 1, the exemplary embodiment is not limited thereto, and for example, the processor 130 may be disposed in the scan room to be combined with the magnetic resonance scanning device 300, or may be disposed in In the operating room.
  • the magnetic resonance imaging system can also include a display 710.
  • Display 710 can be disposed in the operating room and can receive images acquired by image sensor 110, for example, via processor 130 and displayed in real time.
  • an operator can view an image displayed in real time by the display 710 in an operation room, and can manually select an image displayed by the display 710 at a certain time as a positioning image.
  • the image acquired by the image sensor 110 may be automatically selected as a positioning image.
  • the processor 130 can process the location image to obtain location information related to the location of the object to be imaged relative to the cradle 500.
  • the processor 130 can identify an object to be imaged from the location image.
  • the processor 130 may identify the entire body and/or various parts of the human body from the positioning image according to the feature information of each part of the human body set in advance.
  • the processor 130 can also identify the stand 500 from the positioning image.
  • the processor 130 may identify the bracket from the positioning image according to the feature information of the preset bracket.
  • the processor 130 may obtain the position information according to the position of the object to be imaged and/or the respective parts of the object to be imaged relative to the position of the stent in the positioning image.
  • the bracket 500 can be automatically or manually operated according to the obtained position information to move the target to be imaged to the scanning position, so that the target to be imaged or the desired portion of the target to be imaged is The scanning position is aligned.
  • the magnetic resonance imaging system may include a scanning area setting device 700.
  • the scan area setting device 700 can set the scan area of the object to be imaged according to the positioning image. Such a scan area may be part of the target to be imaged.
  • the holder 500 may be operated automatically or manually to move the object to be imaged into the hole of the magnet 310, thereby aligning the set scanning area with the scanning position.
  • the scan area setting device 700 can include a display 710 and a field of view (FOV) indicator 730. As described above, the display 710 can display a positioning image. Field of view indicator 730 can also be displayed on display 710.
  • the field of view indicator 730 can represent a scan area that the magnetic resonance scanning device can scan.
  • the visual field indicator 730 may have the same shape as the scan area of the magnetic resonance scanning device, and may have a size proportional to the size of the scanning area of the magnetic resonance scanning device.
  • FIG. 2 is a schematic diagram showing a field of view indicator according to an exemplary embodiment.
  • the operator can move the field of view indicator 730 (eg, using a mouse drag) onto the object to be imaged in the location image to set the portion of the object to be imaged that is covered by the field of view indicator 730. Is the scan area.
  • the size of the display of the visual field indicator 730 in the display 710 can be determined based on the positioning image.
  • the processor 130 may determine the size of the visual field indicator 730 based on the ratio of the size of the identified stent to the size of the positioned image and the ratio of the size of the predetermined scanning region to the size of the stent.
  • the position information of the object to be imaged may be acquired by the position information acquiring means, and the object to be imaged may be aligned with the scanning position according to the position information. Therefore, the accuracy of the alignment can be improved, and the time of the entire imaging operation can be shortened. Further, since the operator can perform the above operation in the operation room without entering the scanning room, the time of the entire imaging operation can be further shortened.
  • FIG. 3 is a flowchart illustrating a magnetic resonance imaging method, according to an exemplary embodiment.
  • the magnetic resonance imaging method may include acquiring step S100 of positional information related to a position of the object to be imaged supported by the stent relative to the stent, and scanning the object to be imaged according to the positional information. Step S300 to obtain a magnetic resonance image of the object to be imaged.
  • step S100 of acquiring location information a positioning image including the cradle and the object to be imaged may be acquired.
  • the location image can then be processed to obtain location information related to the location of the object to be imaged relative to the stent.
  • the respective objects to be imaged and/or the target to be imaged and the support may be identified from the positional image to obtain positional information based on the identified position of the target to be imaged and/or its respective parts relative to the support.
  • the object to be imaged may be moved to the scanning position according to the positioning image.
  • the scanning area of the object to be imaged may be set according to the positioning image, and the object to be imaged may be moved into the hole of the magnet to align the set scanning area with the scanning position.
  • the positioning image may be displayed in the display; and the visual field indicator displayed in the display may be moved to the target to be imaged in the positioning image to cover the portion of the object to be imaged covered by the visual field indicator Set to the scan area.
  • the size of the visual field indicator can be determined based on the ratio of the identified stent in the positioning image.
  • position information of an object to be imaged may be acquired, and an object to be imaged may be aligned with a scanning position according to the position information. Therefore, the accuracy of the alignment can be improved, and the time required for the magnetic resonance imaging method can be shortened. Further, since the operator can perform the above steps in the operation room without entering the scanning room, the time required for the magnetic resonance imaging method can be further shortened.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Engineering & Computer Science (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Radiology & Medical Imaging (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

L'invention concerne un système d'imagerie par résonance magnétique et un procédé d'imagerie par résonance magnétique. Le système d'imagerie par résonance magnétique comprend : un dispositif d'acquisition d'informations de position (100) conçu pour acquérir des informations de position se rapportant à la position d'un objet devant être imagé soutenu par un bracket (500), par rapport à un support (500) ; et un dispositif de balayage par résonance magnétique (300) conçu pour balayer l'objet devant être imagé conformément aux informations de position, afin d'obtenir des images de résonance magnétique de l'objet devant être imagé. Par conséquent, le système d'imagerie par résonance magnétique et le procédé d'imagerie par résonance magnétique permettent de réduire la durée des opérations d'imagerie par résonance magnétique et d'améliorer la précision d'alignement.
PCT/CN2015/077624 2015-04-28 2015-04-28 Système d'imagerie par résonance magnétique et procédé d'imagerie par résonance magnétique Ceased WO2016172838A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/077624 WO2016172838A1 (fr) 2015-04-28 2015-04-28 Système d'imagerie par résonance magnétique et procédé d'imagerie par résonance magnétique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/077624 WO2016172838A1 (fr) 2015-04-28 2015-04-28 Système d'imagerie par résonance magnétique et procédé d'imagerie par résonance magnétique

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WO2016172838A1 true WO2016172838A1 (fr) 2016-11-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10746828B2 (en) 2017-08-11 2020-08-18 Siemens Healthcare Gmbh Method and apparatus image data generation in an examination chamber of a magnetic resonance apparatus
CN115919285A (zh) * 2023-02-28 2023-04-07 山东奥新医疗科技有限公司 一种核磁共振定位方法、装置、设备及存储介质

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5052035A (en) * 1989-11-02 1991-09-24 Webb Research Ii Corporation Image location marking devices for radiographs, method of making and methods of use
CN201384493Y (zh) * 2009-03-12 2010-01-20 西门子迈迪特(深圳)磁共振有限公司 用于磁共振系统的定位装置
US20110201916A1 (en) * 2008-04-17 2011-08-18 Jeff Duyn Movement correction in mri using a camera
CN102462506A (zh) * 2010-11-09 2012-05-23 Ge医疗系统环球技术有限公司 激光引导医疗设备自动定位系统及方法
CN103315739A (zh) * 2013-05-22 2013-09-25 华东师范大学 基于动态跟踪技术免除运动伪影的磁共振影像方法和系统
CN103593869A (zh) * 2013-10-12 2014-02-19 沈阳东软医疗系统有限公司 一种扫描设备及其图像显示方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5052035A (en) * 1989-11-02 1991-09-24 Webb Research Ii Corporation Image location marking devices for radiographs, method of making and methods of use
US20110201916A1 (en) * 2008-04-17 2011-08-18 Jeff Duyn Movement correction in mri using a camera
CN201384493Y (zh) * 2009-03-12 2010-01-20 西门子迈迪特(深圳)磁共振有限公司 用于磁共振系统的定位装置
CN102462506A (zh) * 2010-11-09 2012-05-23 Ge医疗系统环球技术有限公司 激光引导医疗设备自动定位系统及方法
CN103315739A (zh) * 2013-05-22 2013-09-25 华东师范大学 基于动态跟踪技术免除运动伪影的磁共振影像方法和系统
CN103593869A (zh) * 2013-10-12 2014-02-19 沈阳东软医疗系统有限公司 一种扫描设备及其图像显示方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10746828B2 (en) 2017-08-11 2020-08-18 Siemens Healthcare Gmbh Method and apparatus image data generation in an examination chamber of a magnetic resonance apparatus
CN115919285A (zh) * 2023-02-28 2023-04-07 山东奥新医疗科技有限公司 一种核磁共振定位方法、装置、设备及存储介质

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