CN106814336A - A kind of radio frequency coil assemblies for magnetic resonance imaging - Google Patents
A kind of radio frequency coil assemblies for magnetic resonance imaging Download PDFInfo
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- CN106814336A CN106814336A CN201510849643.8A CN201510849643A CN106814336A CN 106814336 A CN106814336 A CN 106814336A CN 201510849643 A CN201510849643 A CN 201510849643A CN 106814336 A CN106814336 A CN 106814336A
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- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 25
- 230000000712 assembly Effects 0.000 title claims abstract description 22
- 238000000429 assembly Methods 0.000 title claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims abstract description 32
- 239000004744 fabric Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- 210000001738 temporomandibular joint Anatomy 0.000 description 8
- 238000010276 construction Methods 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 125000004429 atom Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
Classifications
-
- 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
- G01R33/341—Constructional details, e.g. resonators, specially adapted to MR comprising surface 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
- G01R33/32—Excitation or detection systems, e.g. using radio frequency signals
- G01R33/34—Constructional details, e.g. resonators, specially adapted to MR
- G01R33/34007—Manufacture of RF coils, e.g. using printed circuit board technology; additional hardware for providing mechanical support to the RF coil assembly or to part thereof, e.g. a support for moving the coil assembly relative to the remainder of the MR system
-
- 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
- G01R33/34092—RF coils specially adapted for NMR spectrometers
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The invention discloses a kind of radio frequency coil assemblies for magnetic resonance imaging, it includes：Coil brace, first coil, the second coil and coil position governor motion, first coil, the second coil include housing and the coil unit being arranged in housing, first coil, the second coil are positioned opposite, and be connected with coil position governor motion, coil position governor motion is fitted together with coil brace, coil position governor motion is used to adjust the movement simultaneously of first coil, the second coil, or for adjusting the movement of a coil in first coil and the second coil.Radio frequency coil assemblies of the present invention, are designed using symmetrical expression, using coil governor motion, pendulum position when scanning are reduced into three steps, simplify the operation of technician, improve efficiency during pendulum position.
Description
【Technical field】
The present invention relates to mr imaging technique, and in particular to for the radio-frequency coil of magnetic resonance imaging.
【Background technology】
The general principle of magnetic resonance imaging is：Some atoms containing odd number proton, such as hydrogen in tissue
Atom can spin motion, and produce magnetic moment, some small magnets can be seen as, under normal condition, these are small
The spin direction arrangement of magnet is irregular, but can be produced under fixed Action of Static Magnetic Field and align；Now,
When the radio-frequency pulse of additional and magnetostatic field same frequency, these hydrogen atoms absorb certain energy and produce
Resonance, spin direction deflects under radio-frequency pulse effect, in aligned transfer, that is, there occurs that magnetic resonance shows
As；After radio-frequency pulse disappears, these hydrogen atoms are all restored to original state, in recovery process, release
Exoergic amount and change spin direction, now sample to the signal that these hydrogen atoms are produced, and then utilize
The signal of these collections carries out image reconstruction, it is possible to obtain the image of tissue.In said process, penetrate
Frequency coil is mainly used to transmitting radio-frequency pulse and collection magnetic resonance radio frequency signal.
The radio-frequency coil of collecting magnetic resonance signal gets over tissue, and the magnetic resonance signal quality for being gathered is got over
Good, the signal to noise ratio of imaging is higher, therefore have devised various fractional radio frequency's lines suitable for each position of human body
Circle, such as head coil, spine coil, wrist coil, radio-frequency coil etc..
Temporo jaw coil is a kind of local radio frequency coil of magnetic resonance imaging system, it is adaptable to remporomandibular joint position
Magnetic resonance imaging.In order to obtain good NMRS image, the coil unit of radio-frequency coil is needed
To press close to temporomandibular joint position as much as possible, and coil unit center need to be adjusted to temporomandibular joint position.By
In the difference of human dimension, and remporomandibular joint is located at people's cheek both sides, and temporo jaw coil needs in scanning
Multiple directions adjust coil unit, cause to put bit manipulation complexity during scanning, spend the time long, inefficiency.
【The content of the invention】
The technical problems to be solved by the invention are to provide a kind of radio frequency coil assemblies for magnetic resonance imaging,
The parallel acquisition of its magnetic resonance signal that can realize temporo jaw position.
The present invention is to solve above-mentioned technical problem and the technical scheme that uses is：It is a kind of for magnetic resonance imaging
Radio frequency coil assemblies, it includes：Coil brace, first coil, the second coil and coil position regulation machine
Structure, first coil, the second coil include housing and the coil unit that is arranged in housing, first coil, the
Two coil is positioned opposite, and is connected with coil position governor motion, coil position governor motion and coil brace
Fit together, coil position governor motion is used to adjust the movement simultaneously of first coil, the second coil, or uses
Coil movement in regulation first coil and the second coil.
Preferably, the coil position governor motion includes the first tooth bar, the second tooth bar and gear, described the
One tooth bar is used to adjust first coil, and second tooth bar is used to adjust the second coil, the gear and first
Tooth bar, the second tooth bar are used cooperatively.
Preferably, the coil brace includes horizontally extending crossbeam, and crossbeam is hollow structure,
First tooth bar, the second tooth bar and gear are arranged in crossbeam.
Preferably, also including being arranged in the knob of crossbeam middle part, the knob is connected with gear.
Preferably, the knob is located at the top of crossbeam.
Preferably, first tooth bar, the second tooth bar are positioned opposite, the arrangement of gears in the first tooth bar,
Between second tooth bar, and gear can simultaneously be engaged with the first tooth bar, the second tooth bar or nibbled with the first tooth bar
Close or engaged with the second tooth bar.
Preferably, the knob can be such that gear rotates clockwise or counterclockwise, and can drive
One tooth bar, the second tooth bar are moved or away from the middle part of crossbeam to the middle part of crossbeam.
Preferably, also including two sliding bars being connected respectively with the first tooth bar, the second tooth bar, the slip
Bar is inserted into the housing of the housing of first coil unit or the second coil unit, and the sliding bar and first
It is pluggable structure between the housing of the housing of coil unit or the second coil unit.
Preferably, also including the base for supporting coil brace.
Preferably, the coil brace is combined together with base, and coil brace can respect thereto rotation.
Present invention contrast prior art has following beneficial effect：Radio frequency coil assemblies proposed by the present invention, adopt
Designed with symmetrical expression, designed using rational mechanism, pendulum position when scanning is reduced to three steps, simplified
The operation of technician, improves efficiency during pendulum position.The controllable left or right two of the knob of coil governor motion
Sliding bar inwardly or to two Slideslips simultaneously, so that band moving winding is moved left and right, preferably to press close to temporo jaw pass
At section.The controllable coil brace of setting element is rotated on base, so as to adjust two coil unit boxes simultaneously
Upper and lower, front and back position, coil can be adjusted to patient's temporomandibular joint.Coil can be moved along before and after sliding bar
It is dynamic, while can also be rotated on sliding bar, coil unit center is adjusted to temporomandibular joint.While coil
Unit can be fitted on people's cheek.
【Brief description of the drawings】
Fig. 1 is the three-dimensional combination figure of the radio frequency coil assemblies for magnetic resonance imaging of the embodiment of the present invention；
Fig. 2 is the part isometric combination of the radio frequency coil assemblies for magnetic resonance imaging of the embodiment of the present invention
Figure；
Fig. 3 is the first tooth bar, the schematic diagram of the second rack and pinion engagement in coil position governor motion；
Fig. 4 is the schematic diagram of the first rack and pinion engagement in coil position governor motion；
Fig. 5 is the schematic diagram of the second rack and pinion engagement in coil position governor motion；
Fig. 6 is the combination diagram of solenoid housing and sliding bar；
Fig. 7 is the first tooth bar, the second tooth bar, gear and crossbeam assembly relation schematic diagram；
Fig. 8 is the space cloth of the coil unit of the radio-frequency coil for magnetic resonance imaging of the embodiment of the present invention
Put schematic diagram；
The loop construction that Fig. 9 is loop coil, saddle-type coil is constituted is contrasted in same depth direction signal to noise ratio
Figure.
【Specific embodiment】
The invention will be further described with reference to the accompanying drawings and examples.
Refer to Fig. 1-9, a kind of radio frequency coil assemblies for magnetic resonance imaging of the embodiment of the present invention, its
Including：Coil brace 10, first coil 20a, the second coil 20b and coil position governor motion 30,
First coil 20a, the second coil 20b include housing 200 and be arranged in housing coil unit 201,
202, first coil 20a, the second coil 20b are positioned opposite, and are connected with coil position governor motion 30,
Coil position governor motion is fitted together with coil brace, and coil position governor motion is used to adjust First Line
Circle, the second coil are simultaneously mobile, or for adjusting the movement of a coil in first coil and the second coil.
Coil brace 10 includes horizontally extending crossbeam 101, and crossbeam is hollow structure；Along level
Direction extends and positioned at the major axis 102 of the lower section of crossbeam 101, and the major axis 102 is put down substantially with crossbeam 101
Row arrangement, and connecting cross beam 101, major axis 102 a pair of support arms 103,104.Crossbeam 101 has
Horizontally extending matrix part 1011.
Coil position governor motion 30 includes the first tooth bar 301, the second tooth bar 302 and gear 303, described
First tooth bar 301 is used to adjust first coil, and second tooth bar 302 is used to adjust the second coil 20b,
The gear 303 is used cooperatively with the first tooth bar 301, the second tooth bar 302.
First tooth bar 301, the second tooth bar 302 and gear 303 are arranged in crossbeam, and the first tooth bar 301,
Second tooth bar 302 and gear 303 are arranged on the matrix part 1011 of crossbeam 101, the first tooth bar 301,
Second tooth bar 302 can in the horizontal direction be slided with respect to matrix part 1011.Further, can be in the first tooth bar
The 301st, snap-fit element 3011,3021, the snap-fit element 3011,3021 are set on second tooth bar 302
It is combined with the chute 1012 of base portion 1011, the first tooth bar 301, the second tooth bar 302 and base portion 1011 can be made
Keep preferably assembling effect.
First tooth bar 301, the second tooth bar 302 are positioned opposite, the gear 303 be arranged in the first tooth bar 301,
Between second tooth bar 302, and gear 303 can be engaged simultaneously with the first tooth bar 301, the second tooth bar 302
Or engaged with the first tooth bar or engaged with the second tooth bar.Specifically, can be by the first tooth bar 301, second
The teeth portion of tooth bar 302 partly staggers in the vertical direction, by adjusting the position in the vertical direction of gear 303
Put, the teeth portion of gear 303 is located at three gears of diverse location (height)：Only with the first tooth bar 301
Teeth portion is engaged, or teeth portion only with the second tooth bar 302 is engaged, or teeth portion simultaneously with the first tooth bar 301,
The teeth portion engagement of the second tooth bar 302.
The coil position governor motion 30 also includes being arranged in the knob 304 of crossbeam middle part, the rotation
Button 304 is connected with gear 303；Preferably, the knob 304 is located at the top of crossbeam.Turning knob
304 can make gear 303 along wink clockwise or rotate in an anti-clockwise direction, and can drive the first tooth bar 301,
Second tooth bar 302 is moved or away from the middle part of crossbeam to the middle part of crossbeam.
Coil position governor motion 30 also includes be connected respectively with the first tooth bar 301, the second tooth bar 302 two
Bar sliding bar 305, the sliding bar 305 is inserted into the coil list of housing 200 or second of first coil unit
In the housing 200 of unit, and the sliding bar 305 and first coil unit the coil list of housing 200 or second
It is pluggable structure between the housing 200 of unit.There are some grooves 3051, housing 200 on sliding bar 305
It is provided with the accepting hole 2001 that can accommodate sliding bar 305.Further, can be in the accepting hole 2001 of housing 200
Side spring 2002 and the decorative pearl on top of an official cap 2003 be installed, the decorative pearl on top of an official cap 2003 is protruded from accepting hole 2001 and to terminating in
In groove 3051, when housing 200 to a certain position is pulled relative to sliding bar 305, it is possible to achieve shell
Pre-determined bit of the body 200 on sliding bar 305.Additionally, housing 200 can also be rotated on sliding bar.
Further, the radio frequency coil assemblies also include the base 40 for supporting coil brace 10.Bottom
The side of seat 40 is provided with horizontally extending conduit 401, and major axis 102 runs through conduit 401, makes coil
Support 10 is combined together with base 40, and the frame of coil brace 10 can respect thereto 40 rotate.Further
, base 40 is provided with setting element 402, and it can be rotated and is resisted against on major axis 102, so that can
Control coil support 10 is rotated on the base 40 it, thus adjust simultaneously two coils 20a, 20b it is upper and lower,
Front and back position, can adjust to patient's temporomandibular joint coil 20a, 20b.Also there is cushion on base 40
50, to improve comfortableness when patient checks.
Radio frequency coil assemblies proposed by the present invention, are designed using symmetrical expression, are designed using rational mechanism, will
Pendulum position during scanning is reduced to 3 steps, simplifies the operation of technician, improves efficiency during pendulum position.
Controllable two sliding bars of left or right of the knob of coil governor motion inwardly or to two Slideslips simultaneously, from
And band moving winding is moved left and right, preferably to press close at temporomandibular joint.The controllable coil brace of setting element exists
Rotated on base, so as to adjust two upper and lower, the front and back positions of coil unit box simultaneously, coil can be adjusted
To patient's temporomandibular joint.Coil can be movable along sliding bar, while can also be rotated on sliding bar, will
Coil unit center is adjusted to temporomandibular joint.Coil unit can be fitted on people's cheek simultaneously.
Fig. 8 gives the space of the coil unit of the radio-frequency coil for magnetic resonance imaging of the embodiment of the present invention
Arrangement schematic diagram.First coil unit 201 has the first geometry, and the second coil unit 202 has the
Two geometries, and described and the second geometry center O2 is located at the regional extent of the first geometry
Interior, it refers to by the second line that the second geometry herein is centrally located in the regional extent of the first geometry
Coil unit is laid on horizontal plane, and first coil unit is also laid in when on horizontal plane, two coil units
Between spatial relationship, but be limited to product in manufacture or assembling, coil unit might have less deformation,
But still it is also contemplated that spatial relationship between the two meets this requirement.
First coil unit 201 is loop coil, and the second coil unit 202 is saddle-type coil.First Line
Coil unit 201 is a loop coil (loop coil), and the second coil unit 202 is two semi-closed singles
The two of one saddle-type coil (saddle coil) of unit's composition, this loop coil and saddle-type coil formation
Individual magnetic direction is each perpendicular to main field, respectively in x and y directions (such as coordinate direction in figure), two magnetic
Field direction is mutually orthogonal, therefore can improve the magnetic resonance signal intensity for receiving, and such structure need not
Decoupling.
First coil unit 201 is annular, and the second coil unit 202 is two sectors being arranged symmetrically, institute
State the center O1s of the center O2 adjacent to the first geometry of the second geometry, loop coil and shape of a saddle line
Conformal design is enclosed, signal to noise ratio is improve.First coil unit 201, the second coil unit 202 are fixed in
Substrate 203, and second coil unit 202 is entirely disposed in the inside of first coil unit 201.Institute
State substrate 203 and be preferably hard circuit board, coil unit can be positioned, prevent it from deforming.Further,
The coil unit 202 of the first coil unit 201 and second is distinguished by some copper conductors section 2011,2012
Formed after being connected with capacity cell C1-C3 and C4-C6.Optionally, the shape of first coil unit 201
Can be square, the shape of the second coil unit 202 can also be positive shape changeable.
In order to adapt to the acquisition of magnetic resonance signals at the temporo jaw position of scanned person both sides, described radio-frequency coil (bag
Include first coil 20a, the second coil 20b) described in first coil unit 201, two as described in two
The second coil unit 202 constitute, and first coil unit 201 described in two is arranged apart, two institutes
The second coil unit 202 stated is arranged apart.
After first coil unit 201, the second coil unit 202 are connected with a preamplifier respectively, so
After be then connected to cable 60, so as to the magnetic resonance signal of collection is transmitted into image re-construction system, and can obtain
Corresponding MRI.
Refer to Fig. 9, loop coil (loop), the built-up coil of saddle-type coil (saddle) composition
Structure is two kinds of coils (loop, saddle) in same depth direction signal to noise ratio comparison diagram, wherein bold curve
SNR signal to noise ratios after combination, wherein SNR signal to noise ratio of the thin curve for a kind of coil (loop), by this
Figure, it is known that entirety of the loop construction compared to single loop coil combined by loop coil and saddle-type coil
SNR (signal to noise ratio) is high by 20%, and on top layer, SNR is high by more than 40%；Additionally, this coil combination structure ring
Without decoupling between shape coil (loop), saddle-type coil (saddle), circuit design is simplified, dropped
Low manufacturing cost.
Although the present invention is disclosed as above with preferred embodiment, so it is not limited to the present invention, Ren Heben
Art personnel, without departing from the spirit and scope of the present invention, when a little modification and perfect can be made,
Therefore protection scope of the present invention is when by being defined that claims are defined.
Claims (10)
1. a kind of radio frequency coil assemblies for magnetic resonance imaging, it is characterised in that including：Coil brace,
One coil, the second coil and coil position governor motion, first coil, the second coil include housing and cloth
The coil unit being placed in housing, first coil, the second coil are positioned opposite, and adjust machine with coil position
Structure is connected, and coil position governor motion is fitted together with coil brace, and coil position governor motion is used to adjust
Section first coil, the second coil are simultaneously mobile, or for adjusting a line in first coil and the second coil
Circle movement.
2. radio frequency coil assemblies for magnetic resonance imaging according to claim 1, it is characterised in that
The coil position governor motion includes the first tooth bar, the second tooth bar and gear, and first tooth bar is used to adjust
Section first coil, second tooth bar is used to adjust the second coil, the gear and the first tooth bar, the second tooth
Bar is used cooperatively.
3. radio frequency coil assemblies for magnetic resonance imaging according to claim 2, it is characterised in that
The coil brace includes horizontally extending crossbeam, and crossbeam is hollow structure, first tooth bar,
Second tooth bar and gear are arranged in crossbeam.
4. radio frequency coil assemblies for magnetic resonance imaging according to claim 3, it is characterised in that
Also include being arranged in the knob of crossbeam middle part, the knob is connected with gear.
5. radio frequency coil assemblies for magnetic resonance imaging according to claim 4, it is characterised in that
The knob is located at the top of crossbeam.
6. radio frequency coil assemblies for magnetic resonance imaging according to claim 3, it is characterised in that
First tooth bar, the second tooth bar are positioned opposite, the arrangement of gears between the first tooth bar, the second tooth bar,
And gear can simultaneously be engaged with the first tooth bar, the second tooth bar or engaged with the first tooth bar or with the second tooth
Bar is engaged.
7. radio frequency coil assemblies for magnetic resonance imaging according to claim 6, it is characterised in that
The knob can be such that gear rotates clockwise or counterclockwise, and can drive the first tooth bar, second
Tooth bar is moved or away from the middle part of crossbeam to the middle part of crossbeam.
8. radio frequency coil assemblies for magnetic resonance imaging according to claim 2, it is characterised in that
Also include two sliding bars being connected respectively with the first tooth bar, the second tooth bar, the sliding bar is inserted into first
In the housing of the housing of coil unit or the second coil unit, and the sliding bar and first coil unit shell
It is pluggable structure between the housing of body or the second coil unit.
9. radio frequency coil assemblies for magnetic resonance imaging according to claim 1, it is characterised in that
Also include the base for supporting coil brace.
10. radio frequency coil assemblies for magnetic resonance imaging according to claim 9, it is characterised in that
The coil brace is combined together with base, and coil brace can respect thereto rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849643.8A CN106814336B (en) | 2015-11-27 | 2015-11-27 | Radio frequency coil assembly for magnetic resonance imaging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849643.8A CN106814336B (en) | 2015-11-27 | 2015-11-27 | Radio frequency coil assembly for magnetic resonance imaging |
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| CN106814336A true CN106814336A (en) | 2017-06-09 |
| CN106814336B CN106814336B (en) | 2020-06-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444780A (en) * | 2018-11-28 | 2019-03-08 | 上海联影医疗科技有限公司 | Transmitting array unit, body transmit antenna and magnetic resonance equipment |
| CN109521381A (en) * | 2017-09-19 | 2019-03-26 | 西门子(深圳)磁共振有限公司 | Base assembly, radio frequency coil assemblies and the magnetic resonance imaging system of radio-frequency coil |
| CN109655773A (en) * | 2019-01-22 | 2019-04-19 | 厦门大学 | A kind of Nuclear Magnetic Resonance plug type roll printing coil probe and its design method |
| CN111537929A (en) * | 2020-04-20 | 2020-08-14 | 联影(常州)医疗科技有限公司 | Radio frequency coil assembly and magnetic resonance system |
| CN112816924A (en) * | 2021-01-22 | 2021-05-18 | 深圳市一康云智慧科技有限责任公司 | Temporomandibular joint/cochlear coil for magnetic resonance imaging |
| CN118151069A (en) * | 2024-02-22 | 2024-06-07 | 中国人民解放军总医院第一医学中心 | A magnetic resonance receiving coil device with automatically adjustable size |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430646A1 (en) * | 1993-08-30 | 1995-03-02 | Hitachi Medical Corp | RF probe |
| CN1799499A (en) * | 2004-12-31 | 2006-07-12 | 西门子（中国）有限公司 | Coil rotation positioning device of magnetic resonance imaging equipment |
| CN101153898A (en) * | 2006-09-28 | 2008-04-02 | 株式会社东芝 | Nuclear magnetic resonance imaging equipment and radio frequency coil set for the same |
| CN202128461U (en) * | 2011-06-13 | 2012-02-01 | 上海辰光医疗科技股份有限公司 | Head support device used with magnetic resonance imaging radio-frequency coil |
| CN203275623U (en) * | 2013-04-25 | 2013-11-06 | 上海联影医疗科技有限公司 | Receiving coil assembly for magnetic resonance imaging |
| CN203275624U (en) * | 2013-05-16 | 2013-11-06 | 上海联影医疗科技有限公司 | Knee coil device |
| CN203763080U (en) * | 2014-01-22 | 2014-08-13 | 上海辰光医疗科技股份有限公司 | Stereotactic radio-frequency coil device for magnetic resonance functional imaging of monkey brain |
| CN203849435U (en) * | 2014-04-02 | 2014-09-24 | 吉林大学 | Weak signal detection platform for detecting nuclear magnetic resonance water detector |
| CN203945380U (en) * | 2014-06-30 | 2014-11-19 | 浙江美森电器有限公司 | A kind of haircut length limiting comb governor motion and hair cutter |
| CN204172062U (en) * | 2014-10-13 | 2015-02-25 | 温州市精豪电器有限公司 | A kind of limiting comb adjusting device of hair clipper |
-
2015
- 2015-11-27 CN CN201510849643.8A patent/CN106814336B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4430646A1 (en) * | 1993-08-30 | 1995-03-02 | Hitachi Medical Corp | RF probe |
| CN1799499A (en) * | 2004-12-31 | 2006-07-12 | 西门子（中国）有限公司 | Coil rotation positioning device of magnetic resonance imaging equipment |
| CN101153898A (en) * | 2006-09-28 | 2008-04-02 | 株式会社东芝 | Nuclear magnetic resonance imaging equipment and radio frequency coil set for the same |
| CN202128461U (en) * | 2011-06-13 | 2012-02-01 | 上海辰光医疗科技股份有限公司 | Head support device used with magnetic resonance imaging radio-frequency coil |
| CN203275623U (en) * | 2013-04-25 | 2013-11-06 | 上海联影医疗科技有限公司 | Receiving coil assembly for magnetic resonance imaging |
| CN203275624U (en) * | 2013-05-16 | 2013-11-06 | 上海联影医疗科技有限公司 | Knee coil device |
| CN203763080U (en) * | 2014-01-22 | 2014-08-13 | 上海辰光医疗科技股份有限公司 | Stereotactic radio-frequency coil device for magnetic resonance functional imaging of monkey brain |
| CN203849435U (en) * | 2014-04-02 | 2014-09-24 | 吉林大学 | Weak signal detection platform for detecting nuclear magnetic resonance water detector |
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Address after: 201807 Shanghai city Jiading District Industrial Zone Jiading Road No. 2258 Patentee after: Shanghai Lianying Medical Technology Co., Ltd Address before: 201807 Shanghai city Jiading District Industrial Zone Jiading Road No. 2258 Patentee before: SHANGHAI UNITED IMAGING HEALTHCARE Co.,Ltd. |