CN105997080A - Air bag suitable for magnetic resonance imaging head coil - Google Patents
Air bag suitable for magnetic resonance imaging head coil Download PDFInfo
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- CN105997080A CN105997080A CN201610651921.3A CN201610651921A CN105997080A CN 105997080 A CN105997080 A CN 105997080A CN 201610651921 A CN201610651921 A CN 201610651921A CN 105997080 A CN105997080 A CN 105997080A
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- air bag
- magnetic resonance
- head coil
- nuclear magnetic
- head
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- 238000002595 magnetic resonance imaging Methods 0.000 title abstract description 7
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005481 NMR spectroscopy Methods 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 9
- 230000009467 reduction Effects 0.000 claims description 8
- 239000002775 capsule Substances 0.000 claims description 2
- 238000003384 imaging method Methods 0.000 abstract description 9
- 238000013461 design Methods 0.000 abstract description 8
- 101001010782 Drosophila melanogaster Fez family zinc finger protein erm Proteins 0.000 abstract 10
- 210000005069 ears Anatomy 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000007689 inspection Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005273 aeration Methods 0.000 description 4
- 238000013022 venting Methods 0.000 description 3
- 208000001431 Psychomotor Agitation Diseases 0.000 description 2
- 206010038743 Restlessness Diseases 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000002490 cerebral effect Effects 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 208000004020 Brain Abscess Diseases 0.000 description 1
- 208000014644 Brain disease Diseases 0.000 description 1
- 206010008111 Cerebral haemorrhage Diseases 0.000 description 1
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 208000007316 Neurocysticercosis Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 208000009205 Tinnitus Diseases 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000012631 diagnostic technique Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000002224 dissection Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 208000018389 neoplasm of cerebral hemisphere Diseases 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 210000001202 rhombencephalon Anatomy 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
Abstract
The invention provides an air bag suitable for a magnetic resonance imaging head coil. The air bag comprises an annular part, ear muff parts and an inflating channel; the annular part and the ear muff part are fixed to the inner wall of the head coil, the inflating channel stretches out of the magnetic resonance imaging head coil, the annular part and the ear muff part are communicated, one end of the inflating channel is communicated with the annular part or the ear muff part and inflates the annular part or the ear muff part through the inflating channel, and the annular part supports the back of the head and covers the head top after being inflated; the ear muff part is tightly attached to the ears after being inflated, and in addition the ear muff part is covered with a noise-reducing material. As the air bag in the design scheme is fixed to the inner wall of the head imaging coil, a doctor only needs to inflate the annular part or the ear muff part through the inflating channel, the inflated annular part and the ear muff part integrally fix the head, and the ear muff part can reduce noise.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly to a kind of gas being applicable to nuclear magnetic resonance head coil
Capsule.
Background technology
Nuclear magnetic resonance is a kind of safety, noinvasive and radiationless imaging examination means, has preferable time, sky
Between resolution and preferable soft tissue contrast, can obtain in Polaroid dissection and function image.Magnetic resonance becomes
For comparing other medical diagnostic techniqu as technology, in terms of cerebral function imaging, there is the advantage that can not be substituted, in addition
Nuclear magnetic resonance is to diseases such as brain abscess, cerebral hemorrhage, the cerebral tumor, cerebral cysticercosis disease, congenital cerebrovascular malformations, permissible
Determining hydrocephalic kind and reason, particularly can judge the pathological changes of cerebral apoplexy patient accurately, therefore it is in clinic
Brain diseases diagnosis is widely used.
In magnetic resonance head imaging inspection, rocking of those who are investigated's head position can produce motion artifacts in the picture,
And then affect the result of imaging, therefore need to ensure that those who are investigated's head keeps static in inspection, it will usually take one
The measure that a little heads are fixing.The most employings medicated pillow with groove, foam pad or cloth binding etc. are simple thick
Rough mode fixes the head of those who are investigated, and these methods are loaded down with trivial details bothersome, and Experience Degree is the highest, tends not to obtain well
Fixed effect.
For the problems referred to above, Chinese patent 201420390841.3 discloses a kind of magnetic resonance imaging inflated type positioning head
Helmet, this helmet is semicircle, inwall is distributed the two inflatable air bags of row, is connected by trachea between air bag.This is real
Fixation to patient head is realized, it is to avoid skill the most clinically with the novel air bag connected by multiple tracheas
Teacher uses groove medicated pillow or strap, plank to be fastened the coarse fashion of head, improves the comfort level of patient.But should
Utility model has the drawback that this magnetic resonance imaging inflation location helmet is separately with the head coil of magnetic resonance imaging
, user needs to wear the helmet before inspection to be fixed, and is sent into by user and set after then being put well head coil by doctor
Check in Bei, such that whole check process is the most loaded down with trivial details, also increase the workload of doctor simultaneously.
Summary of the invention
Embodiments provide a kind of air bag being applicable to nuclear magnetic resonance head coil, easy to use, operation letter
Single.This air bag includes:
Annular section 1, ear cup portions 2 and filling channel 3；
Described annular section 1 and ear cup portions 2 are fixed on the inwall of nuclear magnetic resonance head coil；Filling of described air bag
Gas passage 3 extend out to the outside of nuclear magnetic resonance head coil；
Described annular section 1 is connected with ear cup portions 2；One end of described filling channel 3 and annular section 1 or ear
Cover part 2 connects；
Inflated in annular section 1 or ear cup portions 2 by described filling channel 3；
Described annular section 1 supports back of head after inflation, covers head simultaneously；
Described ear cup portions 2 is adjacent to ear after inflation；
Described annular section 1 and ear cup portions 2 are overall for regular user's head after inflation.
In one embodiment, described annular section 1 and ear cup portions 2 are fixed on nuclear magnetic resonance by bonding method
The inwall of head coil.
In one embodiment, the medial surface of described annular section 1 has semi-cylindrical hill structure after inflation, and described half
Circular protrusions structure is used for making described annular section 1 fit tightly user head, has breathability concurrently simultaneously.
In one embodiment, the overall curved spherical shape of described annular section 1, with user nose shape phase
Join.
In one embodiment, described ear cup portions 2 be shaped as ellipse, link closely after inflation user ear.
In one embodiment, described ear cup portions 2 is coated with noise reduction material, is used for reducing noise
In one embodiment, the other end of described filling channel 3 is connected with aerating device.
In one embodiment, described filling channel 3 being provided with rotary switch, described rotary switch is after inflation
Seal or venting.
In one embodiment, described rotary switch is valve.
In embodiments of the present invention, it is proposed that a kind of air bag being applicable to nuclear magnetic resonance head coil, this air bag includes
Annular section, ear cup portions and filling channel, this air bag (annular section and ear cup portions) is fixed on head coil
Inwall, when checking, head only need to be placed on inside air bag by user, and then doctor passes through filling channel to ring
Inflation in shape part or ear cup portions, after inflation, user head is fixed by annular section, and ear is covered by ear cup portions,
This air bag is easy to use, simple to operate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
It is some embodiments of the present invention, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is a kind of birdcage head coil schematic diagram that nuclear magnetic resonance is conventional；
Fig. 2 is a kind of airbag structure schematic diagram being applicable to nuclear magnetic resonance head coil that the embodiment of the present invention provides；
Fig. 3 is a kind of air bag combinative structure schematic diagram with magnetic resonance head coil of embodiment of the present invention offer.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.
Based on the embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly falls into the scope of protection of the invention.
The generally head imaging of magnetic resonance, all realizes signal by head coil and receives, become at magnetic resonance head
In checking, those who are investigated are tampons beyond the Great Wall in ear, then lie in inside head coil, and technician is at quilt in scanning
Examiner ear fills in several pieces of foams or uses the mode of the simple coarse such as medicated pillow with groove or cloth binding to fix quilt
The head of examiner, or the location helmet of design in patent 201420390841.3 can be used to carry out positioning and consolidating
Fixed.Former is loaded down with trivial details bothersome, and Experience Degree is the highest, tends not to obtain good fixed effect；Although latter is avoided
Technician uses groove medicated pillow or strap, plank to be fastened the coarse fashion of head the most clinically, improves patient's
Comfort level, but it is separate owing to positioning the helmet with head coil, need in use to wear respectively, though permissible
Realize the effect of fixing head, but such that whole check process is the most loaded down with trivial details, and do not possess and reduce noise
Function.Based on this, the present invention proposes a kind of air bag being applicable to nuclear magnetic resonance head coil, this fixing noise reduction air bag
Supporting with existing nuclear magnetic resonance head coil (as shown in Figure 1).
A kind of nuclear magnetic resonance that Fig. 2 embodiment of the present invention provides is applicable to the airbag structure schematic diagram of head coil, is
Design on the basis of existing nuclear magnetic resonance head coil, be illustrated in figure 1 the signal of existing birdcage coil
Figure, for a kind of embodiment.As in figure 2 it is shown, this air bag includes: annular section 1, ear cup portions 2 and filling channel
3；Wherein, annular section 1 and ear cup portions 2 are fixed on the inwall (shown in Fig. 3) of nuclear magnetic resonance head coil,
Filling channel 3 extend out to the outside of nuclear magnetic resonance head coil；Annular section 1 is connected with ear cup portions 2；Fill
One end of gas passage 3 connects with annular section 1 or ear cup portions 2；By filling channel 3 to annular section 1 or ear
Inflation in cover part 2；Annular section 1 is used for supporting back of head after inflation, covers head simultaneously；Ear cup portions
2 are used for being adjacent to ear, annular section 1 and ear cup portions 2 entirety after inflation after inflation for regular user's head
Portion.
When being embodied as, fixing and positioning function focused on by the location helmet of design in patent 201420390841.3, but
Practical clinical positions often through location image, it is not necessary to additionally arranging location, practical application request is not
Greatly.And the air bag that the present invention proposes is to be designed on the basis of the head coil used by existing clinical magnetic resonance imaging
(as shown in Figure 3), air bag mates the inwall of head coil completely, can realize good head by inflation and fix
Function.It can be to be affixed on by adhered layer the side of air bag that air bag is fixed on the mode in nuclear magnetic resonance head coil
The inwall of head coil, makes both fit tightly, and then fixes head position by air bag is carried out inflation/deflation, this
Sample is possible not only to prevent the motion of head in scanning process, it is also possible to mate with head coil well.
Owing to the shape of existing head coil clinically is diversified, it is not limited to the birdcage shown in schematic diagram 1
Type, carries out the matched design of corresponding head coil, or can be directly used for by air bag of the present invention according to inventive concept
In the head coil of other shapes, broadly fall into the protection domain of this patent.
Below functions is described in detail.
(1) annular section 1 of air bag:
Annular air-pocket acts primarily as fixation in the present invention, is used for supporting back of head, i.e. hindbrain, covers the crown simultaneously
Portion, wraps up half head in around shape (arc spherical structure), is therefore defined as the annular section 1 of air bag；For
Avoiding air bag to be close to head, balloon surface is also devised with a lot of semi-cylindrical hill structure, and these bulge-structures can be
Play the head fitting tightly user during airbag aeration, but can guarantee that the breathability effect of head；Ring at air bag
The side of shape part 1 can arrange a filling channel 3, and it is inflated by available various chargers.Air bag is not
Hide face, do not affect wearer and breathe normally and sight line, compatible with visual experiment well, the ring part of air bag
Divide 1 structure as shown in Figure 2.
(2) ear cup portions 2 of air bag:
In prior art, during carrying out magnetic resonance head imaging inspection, the gradient of MR imaging apparatus quick
Conversion causes gradient coil to produce noise, and the user checked can be made not feel well, and therefore reduces nuclear magnetic resonance
The noise that user ear in journey hears also becomes necessary behave.Many companies are according to the generation of noise and noise
The circulation way in source, all have employed the Audio Comfor of quietness technology, such as Siemens in their high-grade type
Technology, the vacuum insulating that the Pianissimo quietness technology of Toshiba and GE company use in its pair of gradient system
Layer hardware quietness technology.These technology can reduce major part noise to a certain extent, but during actual scanning,
Noise is the biggest, it is necessary to reduce noise further by wearing the methods such as earplug.
It addition, in patent 201420390841.3, although the location helmet of design has a head fixation, but not
Possessing equipment when head magnetic resonance checks and human body ear produces the decrease of noise functions of noise, these noises often make user
Feel restlessness, be unfavorable for the carrying out checked.
For the problems referred to above, the present invention devises the ear cup portions 2 of air bag, and it is connected with the annular section 1 of air bag,
Filling channel 3 can also be arranged on the side of ear cup portions 2, is inflated it by filling channel 3.Air bag
The shape of ear cup portions 2 is designed as ellipse, the ear of the user that can link closely the most after inflation.In order to realize fall
The effect of low noise, the ear cup portions 2 of air bag presses close to the surface at ear position and can be made up of noise reduction material, or can
The surface covering one layer pressing close to ear position with the ear cup portions 2 at air bag is shaped as ellipse and has good noise reduction
The material of function.Additionally, when user wears other earphones, during as participated in auditory experiment room, the ear cup portions of air bag
Earphone can also closely be encircled by 2, reduces the interference of external noise further.The opposite side of ear cup portions and head
The outer wall of portion's coil fits tightly, and can be pasted on the inwall of head coil.The structure of the ear cup portions 2 of air bag such as figure
Shown in 2.
(3) filling channel 3:
Filling channel 3 is used to be inflated whole air bag.Filling channel 3 can design according to the actual requirements
The different parts of air bag, in order to actually used head coil preferably mates, such as can be arranged on annular section
On 1, it is also possible to be arranged in ear cup portions 2, owing to annular section 1 and ear cup portions 2 communicate, no matter from
Ventilating in air bag in that position, can be filled with whole air bag.Filling channel 3 can mate with aerating device, should
Aerating device can be directly connected to the compressing gasbag on filling channel 3, is manually squeezed by user and fills to air bag
Gas；Aerating device can also be electronic pump-up device etc., and the structure of filling channel 3 is as shown in Figure 2.It addition,
Being additionally provided with rotary switch on filling channel 3, seal or degassing after playing inflation, rotary switch can be valve.
Or can also clamp with outside Small clamp after inflation, seal and prevent gas leakage, during venting, clip is unclamped.
The air bag being applicable to nuclear magnetic resonance head coil of the present invention is used to carry out magnetic resonance head imaging inspection
Flow process be:
Before those who are investigated check, air bag is fixed on existing head coil inwall by adhered layer, and is in
State after venting, facilitates those who are investigated that head is entered head coil.After those who are investigated lie, scanning technician passes through
Air bag is inflated by filling channel, makes the head of those who are investigated be fixed, and ear cup portions is close to the ear of those who are investigated
Portion, closes valve, starts the normal clinical scanning process of magnetic resonance head scanning after inflation.Generally inflation is with energy
The head enough fixing those who are investigated is advisable.After inspection, open valve and exit, then please those who are investigated move
Go out head coil, complete scanning.
In sum, the invention have the advantages that
(1) after this air bag deflation, volume is the least, can be fixed on clinical conventional head coil flexibly internal (the most viscous
It is attached on head coil inwall), the effect of fixing those who are investigated's head can be realized again after airbag aeration.
(2) by aerating device to airbag aeration, when air bag fits tightly with user head, can be to user
Head be fixed, can effectively reduce head and rock the scanning artifact brought；When air bag closely pastes with user head
During conjunction, technician can terminate inflation, and fixing operation simple and convenient is controlled.
(3) can closely encircle the ear of wearer during the ear cup portions inflation of air bag, the ear cup portions surface of air bag by
Noise reduction material is made, and can also effectively reduce the powerful noise that gradient coil brings, keep away while fitting tightly ear
Exempt from, owing to noise makes user feel the situation appearance of restlessness, to make inspection be smoothed out.Additionally, air bag earmuff portion
Divide and the user wearing earphone also can be mated, and closely encircle earphone, reduce noise further, improve sweeping of user
Retouch comfort level.
(4) it is fixed on head coil inwall by adhered layer, in use without separately wearing due to air bag
Air bag and head coil, technician, to fixing noise reduction airbag aeration, carries out head and fixes and after ear noise reduction protection work,
The clinical scanning of routine can be carried out, do not increase operation bidirectional；Air bag can take off renewal as required.
(5) filling channel on air bag can design the diverse location at air bag, filling channel according to actual needs
It is applicable to multiple aerating device and valve.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.All within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. the air bag being applicable to nuclear magnetic resonance head coil, it is characterised in that described air bag includes: annular
Partly (1), ear cup portions (2) and filling channel (3)；
Described annular section (1) and ear cup portions (2) are fixed on the inwall of nuclear magnetic resonance head coil；Described gas
The filling channel (3) of capsule extend out to the outside of nuclear magnetic resonance head coil；
Described annular section (1) is connected with ear cup portions (2)；One end of described filling channel (3) and annular
Partly (1) or ear cup portions (2) connection；
Inflated in annular section (1) or ear cup portions (2) by described filling channel (3)；
Described annular section (1) supports back of head after inflation, covers head；
Described ear cup portions (2) is adjacent to ear after inflation；
Described annular section (1) and ear cup portions (2) are overall for regular user's head after inflation.
It is applicable to the air bag of nuclear magnetic resonance head coil the most as claimed in claim 1, it is characterised in that described
Annular section (1) and ear cup portions (2) are fixed on the inwall of nuclear magnetic resonance head coil by bonding method.
It is applicable to the air bag of nuclear magnetic resonance head coil the most as claimed in claim 1, it is characterised in that described
The medial surface of annular section (1) has semi-cylindrical hill structure, described semi-cylindrical hill structure to be used for making institute after inflation
State annular section (1) and fit tightly user head, have breathability simultaneously concurrently.
4. the air bag being applicable to nuclear magnetic resonance head coil as described in claim 1 or 3, it is characterised in that
The overall curved spherical shape of described annular section (1), matches with user nose shape.
It is applicable to the air bag of nuclear magnetic resonance head coil the most as claimed in claim 1, it is characterised in that described
Ear cup portions (2) be shaped as ellipse, link closely after inflation user ear.
6. the air bag being applicable to nuclear magnetic resonance head coil as described in claim 1 or 5, it is characterised in that
Described ear cup portions is coated with noise reduction material on (2), is used for reducing noise.
It is applicable to the air bag of nuclear magnetic resonance head coil the most as claimed in claim 1, it is characterised in that described
The other end of filling channel (3) is connected with aerating device.
8. the air bag being applicable to nuclear magnetic resonance head coil as described in claim 1 or 7, it is characterised in that
Being provided with rotary switch on described filling channel (3), described rotary switch seals after inflation or exits.
It is applicable to the air bag of nuclear magnetic resonance head coil the most as claimed in claim 8, it is characterised in that described
Rotary switch is valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651921.3A CN105997080A (en) | 2016-08-10 | 2016-08-10 | Air bag suitable for magnetic resonance imaging head coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610651921.3A CN105997080A (en) | 2016-08-10 | 2016-08-10 | Air bag suitable for magnetic resonance imaging head coil |
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| Publication Number | Publication Date |
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| CN105997080A true CN105997080A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610651921.3A Pending CN105997080A (en) | 2016-08-10 | 2016-08-10 | Air bag suitable for magnetic resonance imaging head coil |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106963382A (en) * | 2017-04-25 | 2017-07-21 | 西安交通大学 | Head braking eliminates the ER Device of magnetic resonance imaging motion artifacts |
| CN108542391A (en) * | 2018-04-10 | 2018-09-18 | 首都医科大学宣武医院 | A kind of magnetic resonance examination head fixing device |
| CN110638452A (en) * | 2019-09-17 | 2020-01-03 | 哈尔滨医科大学 | Small animal nuclear magnetic resonance scanning, fixing and anaesthesia integrated device and using method |
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| CN106963382A (en) * | 2017-04-25 | 2017-07-21 | 西安交通大学 | Head braking eliminates the ER Device of magnetic resonance imaging motion artifacts |
| CN108542391A (en) * | 2018-04-10 | 2018-09-18 | 首都医科大学宣武医院 | A kind of magnetic resonance examination head fixing device |
| CN110638452A (en) * | 2019-09-17 | 2020-01-03 | 哈尔滨医科大学 | Small animal nuclear magnetic resonance scanning, fixing and anaesthesia integrated device and using method |
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