CN105496411B - A kind of nuclear magnetic resonance automatic imaging system and its detection method - Google Patents
A kind of nuclear magnetic resonance automatic imaging system and its detection method Download PDFInfo
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- CN105496411B CN105496411B CN201510991971.1A CN201510991971A CN105496411B CN 105496411 B CN105496411 B CN 105496411B CN 201510991971 A CN201510991971 A CN 201510991971A CN 105496411 B CN105496411 B CN 105496411B
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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
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Abstract
The present invention provides a kind of nuclear magnetic resonance automatic imaging system and its detection methods, belong to Magnetic resonance imaging field.The imaging system includes pedestal, open magnet unit, magnet holder, gradient coil, radio-frequency coil, the magnet holder is that section is rectangular ring bodies, it is fixed on pedestal in vertical form, the open magnet unit is two pieces of arc magnets, symmetrically it is connected on the same anchor ring of magnet holder, gradient coil, radio-frequency coil are equipped with around arc magnet inner ring surface, the semi-surrounding space that the arc magnet, gradient coil, radio-frequency coil are formed is imaging area.The present invention uses open magnet system, and the central space of placement patient body is made to expand, and makes have the patient of closing neurosis to be loosened；Using symmetrical rotatable magnet, change pole orientation, improves imaging region flexibility, be conducive to state of an illness Precise Diagnosis；Arranging hospital beds operating platform improves imaging precision.
Description
Technical field
The invention belongs to Magnetic resonance imaging fields, and in particular to a kind of nuclear magnetic resonance automatic imaging system and its detection side
Method.
Background technology
Magnetic resonance imaging (MRI, full name in English：Magnetic resonance imaging) system is commonly used for medical treatment and defends
Raw field utilizes hydrogen nuclei (proton) in tissue that nuclear magnetic resonance is occurred by the excitation of radio-frequency pulse in magnetic field
Phenomenon generates magnetic resonance signal, is handled by electronic computer, reconstruct the imaging technique of the image of a certain level of human body.
In magnetic resonance imaging application, typically patient body (or object) is placed in a tubbiness magnet structure
In imaging region, imaging region is determined by the design and location layout of MRI system component.One of problem is
Central space for placing patient body is very limited, and due to being also placed with sick bed simultaneously, the patient to lie down is easy production
Raw closing fear.In order to which patient body position to be imaged is properly placed in imaging region, the imaging of some limbs, such as shoulder
Wing, can it is extremely difficult, for the big patient of build even not possible with.
Therefore, it is larger how to provide a kind of central space for placing patient body, and the more flexible nuclear-magnetism of imaging region
Resonance imaging system and its method are those skilled in the art's technical problems urgently to be resolved hurrily.
Invention content
The technical problem to be solved by the present invention is in view of the foregoing defects the prior art has, provide a kind of nuclear magnetic resonance
Automatic imaging system and its detection method, the system make the central space of placement patient body expand, and improve imaging region spirit
It is active.
To achieve the goals above, the present invention is achieved by the following scheme：
A kind of nuclear magnetic resonance automatic imaging system, including pedestal, open magnet unit, magnet holder, gradient coil, radio frequency line
Circle, the magnet holder are that section is rectangular ring bodies, are fixed on pedestal in vertical form, the open magnet unit is
Two pieces of arc magnets are symmetrically connected on the same anchor ring of magnet holder, and arc magnet is identical with the center of circle of magnet holder anchor ring, outside
Arc radius is identical as the outer shroud radius of magnet holder anchor ring, and gradient coil, radio-frequency coil are equipped with around arc magnet inner ring surface, described
The semi-surrounding space that arc magnet, gradient coil, radio-frequency coil are formed is imaging area, and sick bed and disease are allowed in the imaging area enough
Detected person on bed passes through, and the sick bed is equipped with telescoping mechanism with vertical direction in the horizontal direction.
Preferably, two pieces of arc magnets of the open magnet unit can rotate simultaneously on magnet holder anchor ring, with
Change open magnet unit magnetic polar angle, the magnetic pole control platform that the open magnet unit magnetic polar angle changes be set to pedestal its
In on a side.
Preferably, the arc-shaped magnet radian is 60 ° -120 °.
Preferably, the diameter of section in the space that the imaging area is formed is identical as magnet holder annular diameters.
Preferably, further including operating platform, the operating platform is connect with sick bed, and operating platform is equipped with sick bed and controls mould
Block, voice messaging reminding module, pre-scan module, sick bed control module can control sick bed lifting, be moved forward and backward, pre-scan module
Whether detectable detected person meets the scheduled condition of scanning, and nformation alert module can prompt detected person's ventilation, hold one's breath.
The present invention also provides a kind of nuclear magnetic resonance automatic imaging methods, include the following steps：
(1) detected person is placed on sick bed, opening operation platform, starts pre-scan module, detect whether to meet scheduled
The condition of scanning；
(2) when meeting the condition of scanning, sick bed control module, nformation alert module are opened, detected person is sent into and is imaged
Area is scanned simultaneously gathered data；
(3) start magnetic pole control platform, change pole orientation, stop changing pole orientation after determining pole orientation, and lead to
Pre-scan module is crossed to continue to detect whether to meet the scheduled condition of scanning, when meeting the condition of scanning, by sick bed control module,
Detected person is sent into imaging area by the control of nformation alert module, is scanned simultaneously gathered data.
The advantageous effects of the present invention：Using open magnet system, the central space of placement patient body is made to expand,
Make there is the patient of closing neurosis to be loosened；Using symmetrical rotatable magnet, change pole orientation, it is flexible to improve imaging region
Property, be conducive to state of an illness Precise Diagnosis；Arranging hospital beds operating platform improves imaging precision.
Description of the drawings
Fig. 1 is the nuclear magnetic resonance automatic imaging system structural schematic diagram of the present invention.
Fig. 2 is the nuclear magnetic resonance automatic imaging system front view of the present invention.
Fig. 3 is the nuclear magnetic resonance automatic imaging system vertical view of the present invention.
In figure：1- magnet holders, 2- radio-frequency coils, 3- gradient coils, 4- arc magnets, 5- pedestals, 6- sick beds.
Specific implementation mode
In order to more state the technical solution of foregoing invention in detail, being exemplified below specific embodiment proves that technology is imitated
Fruit；It is emphasized that these embodiments are not limited to limit the scope of the invention for illustrating the present invention.
Nuclear magnetic resonance automatic imaging system provided by the invention, as shown in Figure 1 to Figure 3, including pedestal, open magnet list
Member, magnet holder, gradient coil, radio-frequency coil, the magnet holder are that section is rectangular ring bodies, are fixed in vertical form
On pedestal, the open magnet unit be two pieces of arc magnets, be symmetrically connected on the same anchor ring of magnet holder, arc magnet and
The center of circle of magnet holder anchor ring is identical, and outside arc radius is identical as the outer shroud radius of magnet holder anchor ring, the arc-shaped magnet radian
It is 90 °, gradient coil, radio-frequency coil, the arc magnet, gradient coil, radio-frequency coil is equipped with around arc magnet inner ring surface
The semi-surrounding space of formation is imaging area, and the imaging area allows the detected person on sick bed and sick bed to pass through enough, imaging area
The diameter of section in the space of formation is identical as magnet holder annular diameters, and the sick bed is equipped with vertical direction in the horizontal direction to be stretched
Contracting mechanism.
Preferably, two pieces of arc magnets of the open magnet unit can rotate simultaneously on magnet holder anchor ring, to change
Become open magnet unit magnetic polar angle, the magnetic pole control platform that the open magnet unit magnetic polar angle changes is set to pedestal wherein
On one side.
Preferably, further including operating platform, the operating platform is connect with sick bed, and operating platform is equipped with sick bed and controls mould
Block, voice messaging reminding module, pre-scan module, sick bed control module can control sick bed lifting, be moved forward and backward, pre-scan module
Whether detectable detected person meets the scheduled condition of scanning, and nformation alert module can prompt detected person's ventilation, hold one's breath.
The present invention also provides a kind of nuclear magnetic resonance automatic imaging methods, include the following steps：
(1) detected person is placed on sick bed, opening operation platform, starts pre-scan module, detect whether to meet scheduled
The condition of scanning；
(2) when meeting the condition of scanning, sick bed control module, nformation alert module are opened, detected person is sent into and is imaged
Area is scanned simultaneously gathered data；
(3) start magnetic pole control platform, change pole orientation, stop changing pole orientation after determining pole orientation, and lead to
Pre-scan module is crossed to continue to detect whether to meet the scheduled condition of scanning, when meeting the condition of scanning, by sick bed control module,
Detected person is sent into imaging area by the control of nformation alert module, is scanned simultaneously gathered data.
Claims (7)
1. a kind of nuclear magnetic resonance automatic imaging system, including pedestal, open magnet unit, magnet holder, gradient coil, radio frequency line
Circle, it is characterised in that：The magnet holder is that section is rectangular ring bodies, is fixed on pedestal in vertical form, described to open
It is two pieces of arc magnets to put magnet unit, is symmetrically connected on the same anchor ring of magnet holder, arc magnet and magnet holder anchor ring
The center of circle is identical, and outside arc radius is identical as the outer shroud radius of magnet holder anchor ring, around arc magnet inner ring surface be equipped with gradient coil,
Radio-frequency coil, the semi-surrounding space that the arc magnet, gradient coil, radio-frequency coil are formed are imaging area, the imaging area foot
The detected person on sick bed and sick bed is enough allowed to pass through, the sick bed is equipped with telescoping mechanism with vertical direction in the horizontal direction.
2. nuclear magnetic resonance automatic imaging system as described in claim 1, it is characterised in that：Two pieces of the open magnet unit
Arc magnet can rotate simultaneously on magnet holder anchor ring, to change open magnet unit magnetic polar angle.
3. nuclear magnetic resonance automatic imaging system as claimed in claim 2, it is characterised in that：The open magnet unit magnetic pole angle
The magnetic pole control platform that degree changes is set on the one of side of pedestal.
4. nuclear magnetic resonance automatic imaging system as described in claim 1, it is characterised in that：The arc magnet radian is
60°-120°。
5. nuclear magnetic resonance automatic imaging system as described in claim 1, it is characterised in that：The space that the imaging area is formed
Diameter of section is identical as magnet holder annular diameters.
6. nuclear magnetic resonance automatic imaging system as described in claim 1, it is characterised in that：Further include operating platform, the behaviour
Make platform to connect with sick bed, operating platform is equipped with sick bed control module, voice messaging reminding module, pre-scan module, sick bed control
Molding block controls sick bed lifting, is moved forward and backward, and whether pre-scan module detection detected person meets the scheduled condition of scanning, information
Reminding module prompt detected person ventilation is held one's breath.
7. a kind of nuclear magnetic resonance automatic imaging method, using the nuclear magnetic resonance automated imaging system any one of as described in claim 1-6
System, which is characterized in that include the following steps：
(1) detected person is placed on sick bed, opening operation platform, starts pre-scan module, detect whether to meet scheduled scanning
Condition；
(2) when meeting the condition of scanning, sick bed control module, nformation alert module are opened, detected person is sent into imaging area, into
Row scanning and gathered data；
(3) start magnetic pole control platform, change pole orientation, stop changing pole orientation after determining pole orientation, and by pre-
Scan module continues to detect whether to meet the scheduled condition of scanning, when meeting the condition of scanning, passes through sick bed control module, information
Detected person is sent into imaging area by the control of reminding module, is scanned simultaneously gathered data.
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| CN201510991971.1A CN105496411B (en) | 2015-12-28 | 2015-12-28 | A kind of nuclear magnetic resonance automatic imaging system and its detection method |
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| CN201510991971.1A CN105496411B (en) | 2015-12-28 | 2015-12-28 | A kind of nuclear magnetic resonance automatic imaging system and its detection method |
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| CN105496411B true CN105496411B (en) | 2018-09-11 |
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| CN106291417B (en) * | 2016-09-13 | 2019-04-12 | 深圳市贝斯达医疗股份有限公司 | MR imaging method and device |
| CN108646205A (en) * | 2018-04-17 | 2018-10-12 | 杭州佩伟拓超导磁体技术有限公司 | Open MRI miniature imaging system magnet structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101010035A (en) * | 2004-09-01 | 2007-08-01 | 西门子公司 | Medical image producing device, in particular, magnetic resonance system, or therapy |
| CN100563752C (en) * | 2005-01-31 | 2009-12-02 | 重庆融海超声医学工程研究中心有限公司 | The ultrasonic treatment unit of MRI guiding |
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| JPH0464341A (en) * | 1990-07-04 | 1992-02-28 | Toshiba Corp | Upper open type magnetic resonance imaging apparatus |
| JP2004349578A (en) * | 2003-05-23 | 2004-12-09 | Mitsubishi Electric Corp | Superconducting magnet apparatus and adjusting method of uniformity of magnetic field of superconducting magnet apparatus |
| ITSV20060015A1 (en) * | 2006-06-06 | 2007-12-07 | Esaote Spa | MACHINE FOR THE ACQUISITION OF IMAGES BY MEANS OF MAGNETIC NUCLEAR RESONANCE OF PATIENTS IN THE NATURAL POSITION OF THE STRENGTH OF THE ARTS, IN PARTICULAR OF THE LOWER LIMBS |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101010035A (en) * | 2004-09-01 | 2007-08-01 | 西门子公司 | Medical image producing device, in particular, magnetic resonance system, or therapy |
| CN100563752C (en) * | 2005-01-31 | 2009-12-02 | 重庆融海超声医学工程研究中心有限公司 | The ultrasonic treatment unit of MRI guiding |
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Granted publication date: 20180911 Termination date: 20211228 |