CN110531290A - Nuclear magnetic resonance equipment - Google Patents
Nuclear magnetic resonance equipment Download PDFInfo
- Publication number
- CN110531290A CN110531290A CN201910842012.1A CN201910842012A CN110531290A CN 110531290 A CN110531290 A CN 110531290A CN 201910842012 A CN201910842012 A CN 201910842012A CN 110531290 A CN110531290 A CN 110531290A
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- China
- Prior art keywords
- support base
- gradient coil
- magnetic resonance
- nuclear magnetic
- resonance equipment
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
- G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
- G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
- G01R33/387—Compensation of inhomogeneities
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The application provides a kind of nuclear magnetic resonance equipment.The nuclear magnetic resonance equipment includes gradient coil and magnetic field probe, the magnetic field probe is located in the gradient coil, the nuclear magnetic resonance equipment further includes Shimming stand, the Shimming stand includes: the first support base and the second support base, first support base and second support base are respectively arranged at opposite two outsides of the gradient coil along the axial direction of the gradient coil, and connect with the gradient coil；Connecting component, the connecting component is connected between first support base and second support base, and is arranged in the gradient coil, and the magnetic field probe is fixed in the connecting component.The application passes through, and the outside of gradient coil is respectively positioned on by the first support base and the second support base that Shimming stand is arranged, can be realized large space operation, and can facilitate the installation of component, replacement and removal.
Description
Technical field
This application involves nuclear magnetic resonance equipments.
Background technique
Requirement of the MR technology (nuclear magnetic resonance technique) to magnetic field homogeneity is very high, and so-called magnetic field homogeneity refers to certain
The homogeneity of magnetic field strength within the scope of volume that is to say the magnetic figure purpose consistency passed through in unit area.Shimming stand
Effect be fixed magnetic field measurement sensor, by the moving in rotation of component reach measurement main field distribution.
Under normal conditions, for most Shimming stand all using transmitting coil as positioning datum, transmitting coil is located at gradient
In coil, the stabilizer blade of shimming frame withstands on the inner wall of transmitting coil, and dial is placed in inside transmitting coil, and dial is connected with rotation
Handle drives dial to rotate a certain angle by rotational handle, magnetic field probe rotation is driven, to measure magnetic
Field distribution.
But dial is placed in the inside of transmitting coil, checks that measurement point is very inconvenient, and operation is only capable of in coil
Portion carries out, and causes operating space small, and measurement is inconvenient.
Summary of the invention
The application provides a kind of nuclear magnetic resonance equipment, small to solve operating space in the prior art, measures inconvenient ask
Topic.
To achieve the above object, the embodiment of the present application provides a kind of nuclear magnetic resonance equipment, the nuclear magnetic resonance equipment, including
Gradient coil and magnetic field probe, the magnetic field probe are located in the gradient coil, and the nuclear magnetic resonance is set
Standby further includes Shimming stand, and the Shimming stand includes:
First support base and the second support base, first support base and second support base are along the gradient coil
Two opposite outsides of the gradient coil are axially respectively arranged at, and are connect with the gradient coil；
Connecting component, the connecting component is connected between first support base and second support base, and is worn
In in the gradient coil, the magnetic field probe is fixed in the connecting component.
Optionally, first support base and second support base include crossbeam, bottom plate and stabilizer blade, the bottom plate edge
The outer peripheral edge of the gradient coil is arranged, and connect with the gradient coil；The stabilizer blade is connected to the crossbeam and the bottom
Between plate；One end of the connecting component is connect with the crossbeam of first support base, the other end and second support base
Crossbeam connection.
Optionally, the bottom plate is detachably connected with the gradient coil.
Optionally, the connecting component includes sequentially connected first connecting shaft, firm banking and the second connecting shaft, described
First connecting shaft is arranged in first support base far from one end of the firm banking, and second connecting shaft is far from described solid
The one end for determining pedestal is arranged in second support base, and the magnetic field probe is fixed on the firm banking.
Optionally, the both ends of the firm banking are detachable with first connecting shaft and second connecting shaft respectively
Connection.
Optionally, the Shimming stand further include:
Dial, the dial are set on first support base, and the connecting component is arranged in the dial
Center；
Driving lever, the driving lever are fixed in the connecting component, and are located at the dial far from the gradient coil
Side；
Position-limit mechanism, the position-limit mechanism is for limiting the driving lever relative to the rotation of the dial.
Optionally, the position-limit mechanism includes fixing axle and multiple limiting slots, and multiple limiting slots are opened in the quarter
Scale, and being provided at circumferentially spaced along the dial, the fixing axle are arranged in the driving lever, and are inserted in wherein described in one
Limiting slot, the fixing axle limit the driving lever relative to the rotation of the dial with limiting slot cooperation.
Optionally, the Shimming stand further includes trimming assembly, and the trimming assembly is passed for adjusting the magnetic-field measurement
Sensor is along the position axially with respect to the gradient coil.
Optionally, the trimming assembly includes:
Baffle, the baffle can be along the axial movements；
Slot is shifted, the displacement slot is set to the outer surface of the connecting component；
Wherein, the baffle is arranged in the displacement slot, and the baffle and displacement slot cooperation drive the interconnecting piece
Part is along the moving axially with respect to the gradient coil.
Optionally, the gradient coil includes main body, the first extension and the second extension, first extension and
Two extensions are respectively arranged on the opposite two sides of the main body, and first extension and second extension along the axial direction
Equal one end connect with the main body, direction extension of the other end to the separate main body, and is connect with the main body, and described the
One support base is connect with first extension, and second support base is connect with second extension.
The nuclear magnetic resonance equipment of above-described embodiment, by the first support base and the equal position of the second support base that Shimming stand is arranged
In the outside of gradient coil, large space operation can be realized, and can facilitate the installation of component, replacement and removal.
Detailed description of the invention
Fig. 1 is the part isometric structural schematic diagram of the nuclear magnetic resonance equipment of the embodiment of the present application.
Fig. 2 is the part isometric structural schematic diagram of the Shimming stand of the embodiment of the present application.
Fig. 3 is the part isometric structural schematic diagram of the Shimming stand of the embodiment of the present application.
Fig. 4 is the second support base of the Shimming stand of the embodiment of the present application and the part isometric structural representation of the second connecting shaft
Figure.
Fig. 5 is the schematic perspective view of the crossbeam equipped with dial of the Shimming stand of the embodiment of the present application.
Fig. 6 is that the magnetic field probe of the embodiment of the present application is fixed on the schematic perspective view of connecting component.
Description of symbols
Gradient coil 10
Main body 11
First extension 12
Second extension 13
Magnetic field probe 20
Shimming stand 30
First support base 31
Second support base 32
Connecting component 33
First connecting shaft 331
Firm banking 332
Second connecting shaft 333
Combined block 334
Shift slot 335
Crossbeam 341
Bottom plate 342
Stabilizer blade 343
Dial 35
Centre bore 351
Limiting slot 352
Threaded hole 353
Driving lever 36
Fixation hole 361
Fixing axle 37
Key 38
Baffle 391
Nut 392
Adjustable diameter and screw adjusting nail 393
Transmitting coil 40
The axial Z of gradient coil
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
Unless otherwise defined, technical term or scientific term used in this application, which are should be in the application fields, has general skill
The ordinary meaning that the personage of energy is understood.The classes such as "one" or " one " used in present specification and claims
It does not indicate that quantity limits like word yet, but indicates that there are at least one.The similar word such as " comprising " or "comprising" means
Element or object before present " comprising " or "comprising" cover the member for appearing in " comprising " or "comprising" presented hereinafter
Part or object and its equivalent, it is not excluded that other elements or object.The similar word such as " connection " or " connected " is not
It is defined in physics or mechanical connection, and may include electrical connection, it is either direct or indirect.It is " more
It is a " it include two, it is equivalent at least two.In present specification and singular used in the attached claims
"an", " " and "the" are also intended to including most forms, unless the context clearly indicates other meaning.It is also understood that this
Term "and/or" used herein refers to and includes one or more associated any or all possible group for listing project
It closes.
Understood incorporated by reference to Fig. 1 to Fig. 6, the implementation case provides a kind of nuclear magnetic resonance equipment.As shown in Figure 1, described
Nuclear magnetic resonance equipment includes gradient coil 10, magnetic field probe 20 and Shimming stand 30.Magnetic field probe 20
In in gradient coil 10, Shimming stand 30 is used for fixed magnetic field measurement sensor 20.
Shimming stand 30 includes the first support base 31, the second support base 32 and connecting component 33.Connecting component 33 connects
It between the first support base 31 and the second support base 32, and is arranged in gradient coil 10, magnetic field probe 20 is fixed on
In connecting component 33.
It is opposite that first support base 31 and the second support base 32 along the axial Z of gradient coil 10 are respectively arranged at gradient coil 10
Two outsides, and connect with gradient coil 10.In this way, passing through the first support base 31 of setting Shimming stand 30 and the second support
Seat 32 is respectively positioned on the outside of gradient coil 10, can be realized large space operation, and can facilitate the installation of component, replace and tear open
It unloads.
As shown in Figures 2 to 5, the first support base 31 is identical with the structure of the second support base 32, includes: crossbeam 341, bottom
Plate 342 and two stabilizer blades 343.Stabilizer blade 343 is connected between crossbeam 341 and bottom plate 342.Stabilizer blade 343 and crossbeam 341 and bottom
Plate 342 is detachably connected.The quantity of stabilizer blade 343 can be adjusted according to design requirement, it is not limited here.
One end of connecting component 33 is connect with the crossbeam 341 of the first support base 31, the cross of the other end and the second support base 32
Beam 341 connects.
Bottom plate 342 is arranged along the outer peripheral edge of gradient coil 10, and connect with gradient coil 10.The shape of bottom plate 342 can be with
It for arc, but may be other shapes, it is not limited here.Bottom plate 342 is detachably connected with gradient coil 10.Specifically,
Bottom plate 342 is fixed on gradient coil 10 by screw, with easy to disassemble.
Shimming stand 30 further include: dial 35, driving lever 36 and position-limit mechanism.Position-limit mechanism is for limiting driving lever 36
The rotation of relative scale disk 35.
Connecting component 33 is arranged in the center of dial 35, and dial 35 is set to the crossbeam 341 of the first support base 31
On, but not limited to this, dial 35 also can according to need the other positions being arranged on the first support base 31.Equally, may be used
Dial 35 to be set on the second support base 32.The center of dial 35 offers centre bore 351, and centre bore 351 is used
In assembly connection component 33.
Driving lever 36 is fixed in connecting component 33, and is located at side of the dial 35 far from gradient coil 10.Specifically, it dials
Bar 36 is connect by key 38 with connecting component 33 and is locked by screw.
In the present embodiment, as shown in figure 3, the position-limit mechanism includes fixing axle 37 and multiple limiting slots 352, multiple limits
Position slot 352 is opened in dial 35, and being provided at circumferentially spaced along dial 35, corresponding with limiting slot 352 on dial 35
Position is identified equipped with angle.Fixing axle 37 is arranged in driving lever 36, and is inserted in a wherein limiting slot 352, fixing axle 37 and limit
The rotation of the cooperation limitation 36 relative scale disk 35 of driving lever of slot 352.Specifically, fixation hole 361, fixing axle 37 are offered on driving lever 36
Fixation hole 361 on driving lever 36 is inserted in a wherein limiting slot 352.
Since magnetic field probe 20 is fixed in connecting component 33, driving lever 36, connecting component 33 and magnetic field are surveyed
The rotational angle of quantity sensor 20 is identical, can learn that magnetic-field measurement is sensed by rotational angle of the driving lever 36 on dial 35
The rotational angle of device 20, and be located on first support base 31 in the outside that gradient coil 10 is set due to dial 35,
Driving lever 36 also is located at the outside of gradient coil 10.It is respectively positioned on the outside of gradient coil 10 by dial 35 and driving lever 36, one
Aspect can work easy to disassemble, on the other hand the rotation of driving lever 36 can be easily operated, to drive magnetic-field measurement
The relevant informations such as the rotational angle of the rotation of sensor 20 and observational record magnetic field probe 20.Preferably, driving lever 36
It is parallel with the plane where magnetic field probe 20, to realize that the angle of driving lever 36 is the angle of magnetic field probe 20
Degree, but not limited to this, it can also be had a certain degree with driving lever 36 and the planar shaped where magnetic field probe 20, and by dialling
The dead reckoning of bar 36 goes out the position of magnetic field probe 20.
When work, fixing axle 37 is detached to the limiting slot 352 of dial 35 and the fixation hole 361 of driving lever 36, rotation is dialled
Fixing axle 37 after driving lever 36 rotates to specified angle, is inserted into the fixation hole of driving lever 36 to any angle of dial 35 by bar 36
361, and be pushed into the limiting slot 352 of dial 35, magnetic field probe 20 also has rotated position accordingly at this time.With dial
The rotation of bar 36 also drives connecting component 33 and magnetic field probe 20 to rotate simultaneously, and rotational angle is identical, at this time magnetic
Field measurement sensor 20 can measure the magnetic field of current angular.
As shown in fig. 6, connecting component 33 includes sequentially connected first connecting shaft 331, firm banking 332 and the second connection
Axis 333, the first connecting shaft 331 are arranged in the first support base 31 far from one end of firm banking 332, and the second connecting shaft 333 is separate
One end of firm banking 332 is arranged in the second support base 32, and magnetic field probe 20 is fixed on firm banking 332.Fixed bottom
The both ends of seat 332 are detachably connected with the first connecting shaft 331 and the second connecting shaft 333 respectively.Specifically, firm banking 332
It is detachably connected respectively with the first connecting shaft 331 and the second connecting shaft 333 by combined block 334, to reach easy for installation, and
The beneficial effect that packaging and transport occupy little space.First connecting shaft 331 and the second connecting shaft 333 by interference fit with
Combined block 334 connects, and combined block 334 is fixed by screws in above firm banking 332, and magnetic field probe 20 passes through screw
It is fixed on above probe fixed plate.
Shimming stand 30 further includes trimming assembly, and the trimming assembly is for adjusting magnetic field probe 20 along axial Z
Position relative to gradient coil 10.
As shown in figure 3, driving lever 36 and fixing axle 37 are removed in Fig. 3, to more clearly demonstrate the knot of trimming assembly
Structure.The trimming assembly includes baffle 391 and displacement slot 335.Baffle 391 can be moved along axial Z, and specifically, baffle 391 is fixed
In on adjustable diameter and screw adjusting nail 393, as shown in figure 3, baffle 391 is arranged in adjustable diameter and screw adjusting nail 393, and spiral shell is set to by the pressure of nut 392
On the boss for revolving 393 outer peripheral edge of regulating nail, adjustable diameter and screw adjusting nail 393 is threadedly attached in the crossbeam 341 of the first support base 31
353 the inside of threaded hole, rotation adjustable diameter and screw adjusting nail 393 is to drive baffle 391 to move along axial Z.But not limited to this, in other implementations
In example, adjustable diameter and screw adjusting nail 393 can also be threadedly attached in the threaded hole 353 of the crossbeam 341 of the second support base 32, i.e. baffle
391 are set on the crossbeam 341 of the second support base 32.
Displacement slot 335 is set to the outer surface of connecting component 33.Specifically, it is set to the outer surface of the first connecting shaft 331.
But not limited to this, in other embodiments, it also can be set in the outer surface of the second connecting shaft 333, shift the position phase of slot 335
Position setting for baffle 391.Baffle 391 is arranged in displacement slot 335, baffle 391 and displacement 335 mating band rotation connection of slot
The moving relative to gradient coil 10 along axial Z of part 33.When work, rotation adjustable diameter and screw adjusting nail 393 drives baffle 391 in axial Z
Mobile, baffle 391 is arranged in the displacement slot 335 of connecting component 33, so that baffle 391 drives connecting component 33 to move in axial Z
It is dynamic, and since magnetic field probe 20 is fixed in connecting component 33, to drive magnetic field probe 20 along axial Z phase
Movement for gradient coil 10, and reach in axial 10 shifting magnetic field of Z relative gradient coil of gradient coil 10 measurement sensing
Device 20, to adjust magnetic field probe 20 and relative position of the gradient coil 10 on axial Z.
In the present embodiment, as shown in Figure 1, gradient coil 10 includes main body 11, the first extension 12 and the second extension
13, the first extension 12 and the second extension 13 are respectively arranged on the opposite two sides of main body 11, and 12 He of the first extension along axial Z
The equal one end of second extension 13 is connect with main body 11, and the other end extends to the direction far from main body 11, the first support base 31 and the
The connection of one extension 12, the second support base 32 are connect with the second extension 13.In this way, passing through the specific knot of setting gradient coil 10
Structure, that is, be arranged the first extension 12 and the equal one end of the second extension 13 is connect with main body 11, the other end to far from main body 11 side
To extension, the installation of the first support base 31 and the second support base 32 of Shimming stand 30 can be facilitated.
The nuclear magnetic resonance equipment further includes transmitting coil 40, and gradient coil 10 is sheathed on outside transmitting coil 40, and magnetic field is surveyed
Quantity sensor 20 is located in transmitting coil 40.In compared with the existing technology, the entire infrastructure of Shimming stand 30 is set to transmitting
Structure in coil 40, the present embodiment are respectively positioned on ladder by the first support base 31 and the second support base 32 of setting Shimming stand 30
The outside for spending coil 10 can be realized large space operation, and can facilitate the installation of component, replacement and removal.
The above is only the preferred embodiments of the application, not to limit the application, it is all in spirit herein and
Within principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (10)
1. a kind of nuclear magnetic resonance equipment, including gradient coil and magnetic field probe, the magnetic field probe is located at institute
It states in gradient coil, which is characterized in that the nuclear magnetic resonance equipment further includes Shimming stand, and the Shimming stand includes:
The axial direction of first support base and the second support base, first support base and second support base along the gradient coil
Two opposite outsides of the gradient coil are respectively arranged at, and are connect with the gradient coil；
Connecting component, the connecting component is connected between first support base and second support base, and is arranged in institute
It states in gradient coil, the magnetic field probe is fixed in the connecting component.
2. nuclear magnetic resonance equipment as described in claim 1, which is characterized in that first support base and second support base
It include crossbeam, bottom plate and stabilizer blade, the bottom plate is arranged along the outer peripheral edge of the gradient coil, and connects with the gradient coil
It connects；The stabilizer blade is connected between the crossbeam and the bottom plate；One end of the connecting component and first support base
Crossbeam connection, the other end are connect with the crossbeam of second support base.
3. nuclear magnetic resonance equipment as claimed in claim 2, which is characterized in that the bottom plate detachably connects with the gradient coil
It connects.
4. nuclear magnetic resonance equipment as described in claim 1, which is characterized in that the connecting component includes sequentially connected first
Connecting shaft, firm banking and the second connecting shaft, first connecting shaft are arranged in described far from one end of the firm banking
One support base, second connecting shaft are arranged in second support base far from one end of the firm banking, and the magnetic field is surveyed
Quantity sensor is fixed on the firm banking.
5. nuclear magnetic resonance equipment as claimed in claim 4, which is characterized in that the both ends of the firm banking are respectively with described
One connecting shaft and second connecting shaft are detachably connected.
6. nuclear magnetic resonance equipment as described in claim 1, which is characterized in that the Shimming stand further include:
Dial, the dial are set on first support base, and the connecting component is arranged in the center of the dial
Position；
Driving lever, the driving lever are fixed in the connecting component, and are located at side of the dial far from the gradient coil；
Position-limit mechanism, the position-limit mechanism is for limiting the driving lever relative to the rotation of the dial.
7. nuclear magnetic resonance equipment as claimed in claim 6, which is characterized in that the position-limit mechanism includes fixing axle and multiple limits
Position slot, multiple limiting slots are opened in the dial, and being provided at circumferentially spaced along the dial, and the fixing axle is worn
Set on the driving lever, and it is inserted in a wherein limiting slot, the fixing axle and limiting slot cooperation limit the driving lever
Relative to the rotation of the dial.
8. nuclear magnetic resonance equipment as described in claim 1, which is characterized in that the Shimming stand further includes trimming assembly, institute
Trimming assembly is stated for adjusting the magnetic field probe along the position axially with respect to the gradient coil.
9. nuclear magnetic resonance equipment as claimed in claim 8, which is characterized in that the trimming assembly includes:
Baffle；
Slot is shifted, the displacement slot is set to the outer surface of the connecting component；
Wherein, the baffle is arranged in the displacement slot, and the baffle and displacement slot cooperation drive the connecting component edge
The movement axially with respect to the gradient coil.
10. the nuclear magnetic resonance equipment as described in any one of claim 1-9, which is characterized in that the gradient coil includes
Main body, the first extension and the second extension, first extension and the second extension are respectively arranged on described along the axial direction
Opposite two sides of main body, and first extension and described equal one end of second extension are connect with the main body, the other end to
Direction far from the main body extends, and connect with the main body, and first support base is connect with first extension,
Second support base is connect with second extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842012.1A CN110531290B (en) | 2019-09-06 | 2019-09-06 | Nuclear magnetic resonance apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842012.1A CN110531290B (en) | 2019-09-06 | 2019-09-06 | Nuclear magnetic resonance apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110531290A true CN110531290A (en) | 2019-12-03 |
| CN110531290B CN110531290B (en) | 2021-10-08 |
Family
ID=68667544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910842012.1A Active CN110531290B (en) | 2019-09-06 | 2019-09-06 | Nuclear magnetic resonance apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110531290B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116203492A (en) * | 2023-04-28 | 2023-06-02 | 山东奥新医疗科技有限公司 | Gradient coil linearity testing device |
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| CN102998633A (en) * | 2012-12-12 | 2013-03-27 | 中国科学院高能物理研究所 | Magnetic field measurement device of magnetic resonance imaging superconducting magnet central area |
| CN103777155A (en) * | 2014-02-14 | 2014-05-07 | 奥泰医疗***有限责任公司 | Positioning frame for superconducting magnet magnetic field measurement and superconducting magnet magnetic field measurement device |
| CN206248811U (en) * | 2016-12-05 | 2017-06-13 | 潍坊新力超导磁电科技有限公司 | A kind of magnetic-field measurement frock of magnetic resonance superconducting magnet |
| CN109597008A (en) * | 2018-12-27 | 2019-04-09 | 潍坊新力超导磁电科技有限公司 | Shimming tooling |
| CN209280901U (en) * | 2018-11-19 | 2019-08-20 | 深圳市贝斯达医疗股份有限公司 | Magnetic field homogeneity detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201935999U (en) * | 2010-12-31 | 2011-08-17 | 奥泰医疗***有限责任公司 | Shimming stand |
| CN202471939U (en) * | 2012-02-20 | 2012-10-03 | 上海联影医疗科技有限公司 | Inner diameter support unit and magnetic field measuring device |
| CN102998633A (en) * | 2012-12-12 | 2013-03-27 | 中国科学院高能物理研究所 | Magnetic field measurement device of magnetic resonance imaging superconducting magnet central area |
| CN103777155A (en) * | 2014-02-14 | 2014-05-07 | 奥泰医疗***有限责任公司 | Positioning frame for superconducting magnet magnetic field measurement and superconducting magnet magnetic field measurement device |
| CN206248811U (en) * | 2016-12-05 | 2017-06-13 | 潍坊新力超导磁电科技有限公司 | A kind of magnetic-field measurement frock of magnetic resonance superconducting magnet |
| CN209280901U (en) * | 2018-11-19 | 2019-08-20 | 深圳市贝斯达医疗股份有限公司 | Magnetic field homogeneity detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116203492A (en) * | 2023-04-28 | 2023-06-02 | 山东奥新医疗科技有限公司 | Gradient coil linearity testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110531290B (en) | 2021-10-08 |
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