CN107811637A - Magnetic resonance imaging eye coil device - Google Patents
Magnetic resonance imaging eye coil device Download PDFInfo
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- CN107811637A CN107811637A CN201711189755.0A CN201711189755A CN107811637A CN 107811637 A CN107811637 A CN 107811637A CN 201711189755 A CN201711189755 A CN 201711189755A CN 107811637 A CN107811637 A CN 107811637A
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- 238000002595 magnetic resonance imaging Methods 0.000 title claims abstract description 28
- 238000003384 imaging method Methods 0.000 claims abstract description 24
- 238000007689 inspection Methods 0.000 claims abstract description 14
- 210000003128 head Anatomy 0.000 claims description 62
- 238000005452 bending Methods 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims 1
- 230000005611 electricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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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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- Health & Medical Sciences (AREA)
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- 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
This application discloses a kind of magnetic resonance imaging eye coil device, and it includes the preceding coil of time interval arrangement and rear coil, two coil units when the preceding coil comprises at least imaging inspection immediately ahead of human body eyes.The application can carry out the Magnetic resonance imaging of high quality to human body eyes.
Description
Technical field
The application is related to magnetic resonance imaging arts, and in particular to a kind of eye RF receiving coil for magnetic resonance imaging
Device.
Background technology
Magnetic resonance system is a kind of medical imaging devices, and wherein radio frequency (RF, RadioFrequency) receiving coil is it
In an important part.The effect of RF receiving coil wherein can liken the eyes of adult, the final definition of image
It is directly proportional directly with its signal to noise ratio (sensitivity).In order to improve the definition of image (or signal to noise ratio, or sensitivity), general line
The primary starting point of circle design is to determine the shape and size of coil, and size can neither less can not be too small.Because if line
Enclose size too greatly, the definition of MRI can be reduced；And it is too small if, may have the patient of significant proportion specific again
Position can not be placed into coil inside.So the First Principles of coil design are the feelings in the size for meeting scanned position or object
Under condition, by as far as possible small of being sized for of coil, and try one's best scanned position or object.
Therefore, when human body different parts are scanned, best image could be obtained with special coil by generally requiring
Effect, for example the coil of scanning head is referred to as head coil, the kneed coil of scanning is referred to as knee joint coil, scans eye
Coil is referred to as informer's circle or eye coil.Magnetic resonance imaging helps significantly to lift the property of clinical image using coils special
Energy.
The content of the invention
The purpose of the application is：It is proposed a kind of high magnetic resonance imaging eye coil device of image quality.
In order to achieve the above object, the technical scheme of the application is：
A kind of magnetic resonance imaging eye coil device, including the preceding coil of time interval arrangement and rear coil, the front
Two coil units when circle comprises at least imaging inspection immediately ahead of human body eyes.
The preceding coil is made up of four coil units arranged successively along arc direction, in imaging inspection, is located at
Two middle coil units are respectively immediately ahead of human body images of left and right eyes.
In four coil units for forming the preceding coil, except middle two adjacent coil units it
Outside, two of the arbitrary neighborhood coil unit arranged crosswises.
In four coil units for forming the preceding coil, set between middle two adjacent coil units
It is equipped with the public capacitance for decoupling.
It is located at two coil units in those who are investigated's eyes dead astern when coil comprises at least imaging inspection after described respectively.
Coil is made up of four coil units arranged successively along arc direction after described, is forming the rear coil
In four coil units, two coil units positioned at centre are located at human body eyes dead astern.
In four coil units for forming the rear coil, two coil units of arbitrary neighborhood intersect cloth
Put.
The coil case for the wear-type for also including being adapted with human body head and the head branch for supporting human body head
Seat is supportted, the top of the head support base is arranged at formed with the head placed cavity for housing human body head, the preceding coil
In institute's coil case, the rear coil is arranged in the head support base.
Connector socket is provided with the head support base, the coil case is connected with by cable and inserted with the wiring
The connection plug that seat matches, the cable are connected with the preceding coil circuit.
The coil case include hard shell and be connected with the hard shell can bending flexible shroud, with institute
State the connected circuit board of coil to be fixedly installed in the hard shell, the coil is placed in the flexible shroud.
It is located to be provided between described two coil units immediately ahead of those who are investigated's eyes respectively during imaging inspection and is used for
The public capacitance of decoupling, offer on the coil case corresponding with human body nose and near the public capacitance
Nose the gap of stepping.
The advantage of the application is：
1st, it is provided with a nose corresponding with human body nose on the coil case of this eye coil device of the application
The gap of stepping and two eye resigning holes corresponding with human body eyes, while be connected with coil case for being tied
The strapped bandage for being scheduled on human body head.The nose the gap of stepping and eye resigning hole set on coil case can be to the nose of wearer
Portion and eye, which provide, allows bit space, so that the face of wearer is adjacent to coil case medial surface as far as possible, and then enables coil
Enough as far as possible close to human body eye, so as to obtain the eyes image become apparent from.Also, examinee's line in wearing
Enclose after shell (within the non-review time), surrounding environment can be observed by eye resigning hole, so as to mitigate its pressure.And bandage can
Coil case is firmly bundled in human head location, can not only be prevented in checking process coil shell from eye locations
Depart from, and bandage can allow the coil in coil case better close to eye.
2nd, coil case is entirely not that hard material makes, and it includes hard shell and is connected with the hard shell
The flexible shroud that can be bent over, the circuit board being connected with preceding coil are fixedly installed in the hard shell, so as to using firmly
Mass shell body is formed to circuit board and protected, and prevents circuit board from being ruptured by bending.Preceding coil is arranged in the flexible shroud.When this
When coil case is worn on those who are investigated head, the flexible shroud of coil case can the bending according to the capitiform of examiner, and then
Make medial surface face as much as possible contact those who are investigated of the coil case towards those who are investigated head, so that in coil case
Coil follows shell flexible shroud together to bend and the close those who are investigated head (especially eye) of large area, further lifting
The imaging effect of coil.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present application magnetic resonance imaging eye coil device；
Fig. 2 is one of partial structural diagram of the embodiment of the present application magnetic resonance imaging eye coil device；
Fig. 3 is the two of the partial structural diagram of the embodiment of the present application magnetic resonance imaging eye coil device；
Fig. 4 is the structural representation of the embodiment of the present application magnetic resonance imaging eye coil device coil..
Wherein：1- coil cases, 1a- hard shells, 1b- flexible shrouds, 1bb- movement joints, 101- nose the gap of stepping,
102- eye resigning holes, coil before 2-, 3- bandages, 4- heads support base, 401- postive stop baffles, the spacing backboards of 402-, 5- inflations
Air bag, 6- gas tubes, 7- pump handles, 8- connector sockets, 9- connection plugs, 10- cables, coil after 11-.
Embodiment
The application is described in further detail below by embodiment combination accompanying drawing.The application can be with a variety of
Different forms is realized, however it is not limited to embodiment described by the present embodiment.The purpose of detailed description below is provided
It is easy for becoming apparent from present disclosure thorough explanation, the words of the wherein indicating position such as upper and lower, left and right is only pin
To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by
Omit, or other methods, component or material can also be used.In some instances, some embodiments are not described
Or it is not described later in detail.
In addition, technical characteristic described herein, technical scheme can also be closed arbitrarily in one or more embodiments
Suitable mode combines.For those skilled in the art, should be readily appreciated that with provided herein is embodiment relevant method
Step or operation order can also change.Therefore, any order in drawings and examples is merely illustrative purposes, not secretly
Show requirement in a certain order, require unless expressly stated according to a certain order.
It is herein part institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any order or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Fig. 1 to Fig. 4 shows a this preferred embodiment for magnetic resonance imaging eye coil device of the application.It is first
With initial reference to shown in Fig. 1, this coil device of the present embodiment mainly includes a coil case 1, and coil is provided with coil case 1,
The shape of the coil case 1 is adapted with human body head, so that those who are investigated are worn on head.The coil in the present embodiment
Shell is in substantially half-circle-arc shape, similar to eye mask.During practical application, the coil case 1 is worn on those who are investigated's
Head, the coil (RF receiving coil) in coil case 1 open magnetic resonance equipment so as to utilize institute just at eye locations
State coil and magnetic resonance imaging is carried out to eye.
, should be by the coil when carrying out magnetic resonance imaging to human body eye in order to obtain the eyes image become apparent from
As far as possible close to human body eye.Based on this principle, the present embodiment has opened up one and human body nose phase on coil case 1
Corresponding nose the gap of stepping 101 and two eye resigning holes 102 corresponding with human body eye, while in coil case 1
On be connected with for by its bundled fixed human body head bandage 3.
It can be appreciated that the nose the gap of stepping 101 and eye resigning hole 102 that are set on coil case 1 can be to wearer'ss
Nose and eye, which provide, allows bit space, so that the face of wearer is adjacent to the medial surface of coil case 1 as far as possible, and then makes coil
Can be as far as possible close to human body eye.Also, examinee is in wearing (in the non-review time after the coil case 1
It is interior), surrounding environment can be observed by eye resigning hole 102, so as to mitigate its pressure.And bandage 3 can be by coil case 1 firmly
Human head location is bundled in, prevents from from eye locations departing from checking process coil shell 1.
In addition, the present embodiment be connected with coil case 1 for by its bundled fixed human body head bandage 3.It is real
When border is applied, coil case 1 can be firmly bundled in human head location by the bandage 3, prevented in checking process center line
Shell 1 is enclosed from eye locations to depart from.
Above-mentioned coil case 1 includes hard shell 1a, and hard shell is specially PC materials, the circuit being connected with above-mentioned coil
Plate is fixedly installed in the hard shell, is protected so as to be formed using hard shell to circuit board, is prevented circuit board by bending
And rupture.Also, drawn on hard shell formed with wire hole, following cables 10 from the wire hole, can so prevent cable 10
Often it is bent and loosens in extraction location.
But, the coil case 1 in the present embodiment is entirely not that hard material makes, and it also includes and the hard shell
Body phase even can bending EVA materials flexible shroud 1b, and the coil in the coil case 1 be arranged at (part set
In or be all arranged at) in flexible shroud 1b.Being so designed that is advantageous in that：When the coil case is worn on those who are investigated's head
During portion, the flexible shroud of coil case can the bending according to the capitiform of examiner, and then make coil case towards those who are investigated's head
The medial surface face contact those who are investigated as much as possible in portion, so that the coil in coil case follows shell flexible shroud together
Bend and the close those who are investigated head (especially eye) of large area, further lift the imaging effect of coil.
In order to improve flexible shroud 1b deformability, the present embodiment is additionally provided with four on flexible shroud 1b surface directly
The movement joint 1bb of linear structure, movement joint 1bb can auxiliary flexible sheath 1b bending deformation.
Certainly, we can also be without using bandage fixed coil shell 1, and uses other plant equipment to ensure outside coil
Shell 1 is affixed to examined eye as far as possible.
For the ease of the shaping of above-mentioned nose the gap of stepping 101, while nose the gap of stepping 101 is preferably pasted
Human body nose is closed, the nose the gap of stepping 101 in the present embodiment is a V-shape gap, and it is arranged on the length direction of coil case 1
Centre position.Two eye resigning holes 102 are symmetricly set on the left and right sides of nose the gap of stepping 101, and the two eyes
Portion's resigning hole 102 is the hole of approximate parallelogram.
Above-mentioned bandage 3 is an elastic webbing, and it is applied to various head circumference sizes, and when wearing without beating it
Knot operation, it is very convenient.
Refer again to shown in Fig. 2 and Fig. 3, in order to fix the head of those who are investigated, prevent its head during imaging inspection
Produce mobile and cause to be imaged position skew or image quality variation, the present embodiment is also provided with one and is used to support human body head
Head support base 4, the top of the head support base 4 formed with the head placed cavity for housing human body head, its with it is above-mentioned
Coil case 1 with coil supports the use.
Specifically, the top of head support base 4 is distributed two pieces of postive stop baffles 401 formed with the first from left right septum and is connected to
Spacing backboard 402 between this two pieces of postive stop baffles, above-mentioned head placed cavity by foregoing spacing backboard 402 and it is foregoing two pieces it is spacing
Baffle plate 401 is collectively forming.
And the spacing of foregoing two pieces of postive stop baffles 401 is more than the width of coil case 1, and enable coil case 1
It is placed between the two postive stop baffles 401.
Shown in reference picture 3, in practical application, those who are investigated first wear coil case 1, lie low position and general are then in
Head is placed in the head placed cavity of head support base 4, and coil case 1 is also just in foregoing head placed cavity, every
The equal air bag 5 of sandwiched one, there is two pieces of postive stop baffles 401 between one piece of postive stop baffle 401 and coil case 1, so share two
Individual air bag 5.Head support base 4 is realized using foregoing air bag 5 and the flexibility of coil case 1 is positioned, and prevents imaging to examine
Those who are investigated head is moved during looking into.
Two above-mentioned air bags 5 connect same pump handle 7 by a bifurcated gas tube 6, during practical application only
This pump handle 7, which need to be extruded, just can be inflated/deflate to two air bags 5, very convenient.
In the present embodiment, be provided with a connector socket 8 on head support base 4, coil case 1 by cable 10 be connected with
The connection plug 9 that foregoing connector socket 8 matches, foregoing cable 10 are connected with the coil in coil case 1.Foregoing connector socket
8 circuits connect the host machine part of NMR imaging equipment, and connection plug 9 is inserted in connector socket 8 during practical application, so as to realize line
Circle is connected with the circuit of NMR imaging device Host.
It can be seen that the circuit of NMR imaging accesses head support base 4 first, then pass through foregoing connector socket 8, connection plug 9
The coil led to cable 10 in wear-type coil case 1.Because head support base 4 is all the time in actual application
In fixed static state, and coil case 1 is kept in motion often.The circuit of NMR imaging device Host part first connects
Enter fixed head support base 4, recycle shorter cable to lead to needs mobile coil case 1 often, and use is more convenient
And safety.In addition, coil case 1 provided with eye coil is connected by pluggable line construction with head support base 4 in it,
Coil case 1 is separated with head support base 4 easily, is easy to the maintenance or replacing of coil case 1.
In addition, the present embodiment is also equipped with one group of coil in head support base 4, the application in order to express easily, according to
The difference of coil present position during imaging inspection, using those who are investigated head as reference, after the coil in head support base 4 is referred to as
Coil 11 (is in those who are investigated head rear), and coil 2 (is in those who are investigated head before the coil in coil case 1 is referred to as
Front).Connector socket 8 on head support base 4 is connected with the main system circuit of magnetic resonance imaging, and preceding coil 2 passes through cable 10
It is connected with the connection plug of the end of cable 10 with the circuit of connector socket 8, coil 2 is connected with the circuit of main system before so realizing.
In imaging inspection, above-mentioned rear coil 11 and preceding coil 2 cooperate, and one immediately ahead of those who are investigated head
And very close to eye locations, another is in those who are investigated head dead astern, and the two mutual cooperation is provided commonly for being examined
The imaging of person's eye, compared to only with a coil --- it is clearly many that preceding coil carries out imaging.
In order to further optimize the imaging definition of eye, the preceding coil 2 in the present embodiment is made up of four coil units,
This four coil units are arranged successively along arc direction, and in imaging inspection, middle two coil units are located at respectively
The front of human body eyes, and public capacitance (not marked in figure) is provided between the two middle coil units, with to this
Two coil units are decoupled.Two other coil unit (i.e. two coils of most end) and middle two coil arranged crosswises
(partially overlapping), using the decoupling that partially overlaps.In other words：Before composition in four coil units of coil 2, except middle two phases
Outside adjacent coil unit, two coil units of arbitrary neighborhood are using the decoupling that partially overlaps.And middle two adjacent coils
Decoupled between unit using public capacitance, middle two coils why the non-overlapped decoupling using public capacitance decoupling, be for
Ensure that nose the gap of stepping 101 has a sufficiently large space on coil case 1 --- described in nose the gap of stepping 101 is arranged on
Near public capacitance.
Coil 11 is also made up of four coil units afterwards, and this four coil units are arranged successively also along arc direction, and
And two coil unit arranged crosswises (partially overlapping) of arbitrary neighborhood, i.e., use and partially overlap between the coil unit of arbitrary neighborhood
Decoupling.And in imaging inspection, middle two coil units are located at the dead astern of human body eyes respectively.
Substantially it is distributed on same annulus before and after above-mentioned preceding coil 2 and rear coil 11.
It should be noted that the quantity of above-mentioned preceding coil 2 and the center line coil unit of rear coil 11 is not limited to four,
Can be two, three or five etc., preferably two or more.And two coil units are preferably formed with preceding coil 2 just
It is respectively at the front of those who are investigated's eyes.
Above content is to combine the further description that specific embodiment is made to the application, it is impossible to assert this Shen
Specific implementation please is confined to these explanations.For the application person of an ordinary skill in the technical field, do not taking off
On the premise of conceiving from the application, some simple deduction or replace can also be made.
Claims (10)
1. a kind of magnetic resonance imaging eye coil device, it is characterised in that preceding coil (2) and rear line including time interval arrangement
Enclose (11), two coil lists being located at respectively when the preceding coil (2) comprises at least imaging inspection immediately ahead of those who are investigated's eyes
Member.
2. magnetic resonance imaging eye coil device according to claim 1, it is characterised in that the preceding coil (2) is by edge
Four coil units that arc direction is arranged successively to form, in imaging inspection, two coil units positioned at centre
Immediately ahead of those who are investigated's eyes.
3. magnetic resonance imaging eye coil device according to claim 2, it is characterised in that forming the preceding coil
(2) in four coil units, in addition to middle two adjacent coil units, two lines of arbitrary neighborhood
Coil unit arranged crosswise.
4. magnetic resonance imaging eye coil device according to claim 3, it is characterised in that forming the preceding coil
(2) in four coil units, the common electrical for decoupling is provided between middle two adjacent coil units
Hold.
5. magnetic resonance imaging eye coil device according to claim 2, it is characterised in that coil (11) is by edge after described
Four coil units that arc direction is arranged successively to form, form four coil units of the rear coil (11)
In, two coil units during imaging inspection positioned at centre are located at those who are investigated's eyes dead astern.
6. magnetic resonance imaging eye coil device according to claim 1, it is characterised in that also include and human body head phase
The coil case (1) of the wear-type of adaptation and the head support base (4) for supporting human body head, the head support base
(4) top is arranged at the coil case formed with the head placed cavity for housing human body head, the preceding coil (2)
(1) in, the rear coil (11) is arranged in the head support base (4).
7. magnetic resonance imaging eye coil device according to claim 6, it is characterised in that the head support base (4)
On be provided with connector socket (8), the coil case (1) is connected with by cable (10) to be matched with the connector socket (8)
Connection plug (9), the cable (10) is connected with preceding coil (2) circuit.
8. magnetic resonance imaging eye coil device according to claim 6, it is characterised in that coil case (1) bag
Include hard shell and be connected with the hard shell (1a) can bending flexible shroud (1b), the electricity being connected with the coil
Road plate is fixedly installed in the hard shell (1a), and the coil is placed in the flexible shroud (1b).
9. magnetic resonance imaging eye coil device according to claim 8, it is characterised in that the flexible shroud (1b)
Surface is provided with the movement joint (1bb) for aiding in the flexible shroud (1b) bending to deform.
10. magnetic resonance imaging eye coil device according to claim 6, it is characterised in that position is distinguished during imaging inspection
The public capacitance for decoupling is provided between described two coil units immediately ahead of those who are investigated's eyes, outside the coil
Nose the gap of stepping (101) corresponding with human body nose and near the public capacitance is offered on shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189755.0A CN107811637A (en) | 2017-11-24 | 2017-11-24 | Magnetic resonance imaging eye coil device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711189755.0A CN107811637A (en) | 2017-11-24 | 2017-11-24 | Magnetic resonance imaging eye coil device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107811637A true CN107811637A (en) | 2018-03-20 |
Family
ID=61609909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711189755.0A Pending CN107811637A (en) | 2017-11-24 | 2017-11-24 | Magnetic resonance imaging eye coil device |
Country Status (1)
| Country | Link |
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| CN (1) | CN107811637A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113253172A (en) * | 2021-05-08 | 2021-08-13 | 苏州众志医疗科技有限公司 | Radio frequency coil device for magnetic resonance head and neck imaging |
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| CN102028470A (en) * | 2010-12-23 | 2011-04-27 | 上海辰光医疗科技有限公司 | Eyeball radio-frequency coil device for magnetic resonance imaging system |
| CN202128463U (en) * | 2011-06-15 | 2012-02-01 | 上海辰光医疗科技股份有限公司 | Head radio frequency coil device for magnetic resonance imaging in vertical field |
| CN203117409U (en) * | 2013-01-17 | 2013-08-07 | 上海辰光医疗科技股份有限公司 | A foot-knee-ankle radio frequency coil device used in a magnetic resonance imaging system |
| CN105902269A (en) * | 2016-05-27 | 2016-08-31 | 深圳先进技术研究院 | Adjustable glasses for functional magenetic resonance imaging and debugging method thereof |
| CN208740971U (en) * | 2017-11-24 | 2019-04-16 | 苏州众志医疗科技有限公司 | Magnetic resonance imaging eye coil device |
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2017
- 2017-11-24 CN CN201711189755.0A patent/CN107811637A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7526330B1 (en) * | 2004-07-06 | 2009-04-28 | Pulseteq Limited | Magnetic resonance scanning apparatus |
| CN102028470A (en) * | 2010-12-23 | 2011-04-27 | 上海辰光医疗科技有限公司 | Eyeball radio-frequency coil device for magnetic resonance imaging system |
| CN202128463U (en) * | 2011-06-15 | 2012-02-01 | 上海辰光医疗科技股份有限公司 | Head radio frequency coil device for magnetic resonance imaging in vertical field |
| CN203117409U (en) * | 2013-01-17 | 2013-08-07 | 上海辰光医疗科技股份有限公司 | A foot-knee-ankle radio frequency coil device used in a magnetic resonance imaging system |
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| CN113253172A (en) * | 2021-05-08 | 2021-08-13 | 苏州众志医疗科技有限公司 | Radio frequency coil device for magnetic resonance head and neck imaging |
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