CN108226829A - Neck chest joint imaging coil block - Google Patents
Neck chest joint imaging coil block Download PDFInfo
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- CN108226829A CN108226829A CN201810002448.5A CN201810002448A CN108226829A CN 108226829 A CN108226829 A CN 108226829A CN 201810002448 A CN201810002448 A CN 201810002448A CN 108226829 A CN108226829 A CN 108226829A
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- neck
- nape
- pedestal
- joint imaging
- coil
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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
- G01R33/34084—Constructional details, e.g. resonators, specially adapted to MR implantable coils or coils being geometrically adaptable to the sample, e.g. flexible coils or coils comprising mutually movable parts
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
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- Radiology & Medical Imaging (AREA)
- General Physics & Mathematics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- High Energy & Nuclear Physics (AREA)
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- Animal Behavior & Ethology (AREA)
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- Public Health (AREA)
- Veterinary Medicine (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The present invention relates to a kind of neck chest joint imaging coil block, the neck chest joint imaging coil block includes, neck front piece, and neck front piece is semi-compliant structure, and the neck chest of shape and standardized human body are adapted；The shape of nape pedestal, the upper surface of the nape pedestal and the nape part of standardized human body is adapted, and the lower surface of the nape pedestal is adapted with table；Arteria carotis part is actively provided with arteria carotis part in the neck both sides of the nape pedestal；In the neck front, piece, the nape pedestal and the arteria carotis partial interior are inlaid with coil, the coil surface is provided with insulating outer layer, and when neck chest joint imaging coil working, neck front piece, the nape pedestal and the arteria carotis part are bonded with subject interface.
Description
Technical field
The present invention relates to mr imaging technique field, more particularly to a kind of neck chest joint imaging coil block.
Background technology
The basic principle of magnetic resonance imaging is：Certain atoms in tissue, such as hydrogen atom can be because of spin motions simultaneously
Generate magnetic moment, be considered as small magnet one by one, these small magnets can be generated under fixed Action of Static Magnetic Field align and with
Same specific frequency is around magnetic direction precession；At this point, when the radio-frequency pulse of an additional identical frequency, these hydrogen atoms are inhaled
It receives certain energy and generates resonance, spin direction deflects under radio-frequency pulse effect；After radio-frequency pulse disappears, these hydrogen are former
Son is all restored to original state, in recovery process, can release RF energy and change spin direction, at this time to these
The radiofrequency signal that hydrogen atom generates is acquired, and then carries out image reconstruction using the signal of these acquisitions, it is possible to obtain people
The image of body tissue.In the above process, radio-frequency coil is mainly used to emit radio-frequency pulse and acquires magnetic resonance radio frequency signal.Line
Circle can influence signal-to-noise ratio, resolution ratio and the uniformity of image, and the image quality of magnetic resonance system is of crucial importance.
Multi-channel surface array coil is the mainstream development direction of High-Field whole body magnetic resonance system coil.In the shape of coil
With size it is certain in the case of, the number of unit of array coil is more, coil unit more close to tissue, the magnetic acquired is total to
The signal quality that shakes is better, and the signal-to-noise ratio of imaging is higher.Therefore, the different parts of human body need different coils, current each coil
Manufacturer has devised the local coil suitable for each position of human body, such as head coil, spine coil, wrist coil, foot
Ankle coil etc..
There is no the neck and chest coils of function admirable, because neck shape is more complicated, individual currently on the market
Between very different.For the coil of the head-neck-chest one of Most commercial in order to be suitable for most subjects build, size is generally bigger than normal,
It is few in neck passage number although areas imaging is larger, and coil sections unit, far from tissue, signal-to-noise ratio is inadequate
It is high.And although the special carotid artery coil of business improves signal-to-noise ratio to a certain extent, areas imaging is small, and is difficult often
It is used with other fitting coils.The present invention is well adapted to using division module, the coil combination form being mutually flexible coupling
The difference of the curvilinear structures of human body neck and chest complexity and different subject's builds can provide the figure of high quality in wide range
Picture；The neck chest joint imaging coil of the present invention can also be fitted close with commercial head coil and use simultaneously, not need to replace
The areas imaging of bigger is obtained in the case of coil.
Invention content
The purpose of the present invention is to provide a kind of neck chest joint imaging coil block, neck chest joint imaging coil of the invention
Each section of component is designed fully according to human body neck and chest size and shape, and neck front piece and arteria carotis part be all can
It with activity, can be placed as far as possible close to human body surface when in use, nuclear magnetic signal ability is received so as to substantially increase.
According to neck chest joint imaging coil block provided by the invention, including neck front piece, neck front piece is soft for half
The neck chest of property structure, shape and standardized human body are adapted；Nape pedestal, upper surface and the standard people of the nape pedestal
The shape of the nape part of body is adapted, and the lower surface of the nape pedestal is adapted with table；Arteria carotis part, in the nape
The neck both sides of pedestal are actively provided with arteria carotis part；Piece, the nape pedestal and the arteria carotis in the neck front
Partial interior is inlaid with coil, and the coil surface is provided with insulating outer layer, when neck chest joint imaging coil block work when institute
Neck front piece, the nape pedestal and the arteria carotis part is stated to be bonded with subject interface.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, the neck chest joint imaging line
When coil assembly works 8 coil units are included at least around the neck of subject.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, the neck chest joint imaging line
When coil assembly works 8 coil units are included at least around the chest of subject.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, the two of the nape pedestal
Side is provided with connection structure, for fixing neck front piece and arteria carotis part.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, in the neck chest joint imaging
The connection structure is used to consolidate neck front piece, the nape pedestal and the arteria carotis part coil block when not in use
It is fixed to arrive together, convenient for moving for the neck chest joint imaging coil block.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, in use, the nape bottom
Seat is positioned in table, and subject lies in the upper surface of the nape pedestal, and neck front piece is positioned on subject, is led to
The connection structure for crossing the nape pedestal fixes neck front piece and arteria carotis part.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, the neck chest joint imaging line
Circle further includes Multifunctional box, for providing electric energy, transmission and amplification nuclear magnetic signal to neck front piece and the nape pedestal,
And pass through joint current and be connected with MR system.
A kind of preferred implementing form of neck chest joint imaging coil block according to the present invention, neck front piece and described
Nape pedestal is connected respectively by multicore cable with the Multifunctional box.
The neck chest joint imaging coil block of the present invention is on surface structure, using upper and lower two parts separation design, two
Side is respectively provided with the reusable connection structure worked in coordination, due to anter coil be flexible and directly it is floating rest on it is tested
With person, arteria carotis part is also that bascule can be close to the placement of neck both sides, and coil each section shape also all presses human body neck
Chest appearance and size and design, in this way in image scanning, each channel unit of coil can fit closely subject interface, so as to
Improve the signal-to-noise ratio of imaging.
In circuit distribution, neck chest joint imaging coil block of the invention can be separately designed around each circle of neck and chest
It at least eight coil unit, needs the imaging applications for using accelerating algorithm also extremely advantageous some, can use higher
Accelerated factor shortens imaging time.
Neck chest joint imaging coil block each section of the present invention is made of lighter material, small volume and less weight, carry,
It uses and stores and is all very convenient.Compact neck form construction design so that the neck chest joint imaging coil block of the present invention can be with
Slitless connection is realized with commercial head coil, carries out head-neck-chest joint imaging, and this large-scale imaging is occurred frequently for contemporary mankind
Neural blood vessel class disease inspection and research be very helpful.
Description of the drawings
Fig. 1 is the appearance assumption diagram of the neck chest joint imaging coil block of the present invention；
Fig. 2 is the Inside coil cell schematics of the neck chest joint imaging coil block of the present invention；
Fig. 3 is the coil unit distribution schematic diagram of the neck front piece of the neck chest joint imaging coil block of the present invention；
Fig. 4 is that the neck chest joint imaging coil block of the present invention and head coil component work at the same time schematic diagram.
Specific embodiment
The concrete structure and embodiment of the neck chest joint imaging coil block of the present invention are done in detail below in conjunction with the accompanying drawings
Ground explanation.
Fig. 1 is the appearance assumption diagram of the neck chest joint imaging coil block of the present invention, as shown in Figure 1, the neck chest of the present invention
Joint imaging coil block includes being placed in the nape base portion 102 for being located at subject's neck thoracic dorsal face in table during imaging, is placed in
The positive neck chest front panel portion 101 of subject's neck and chest.Coil surface is enclosed with flexible insulating material, subject can be allowed to feel
Feel more comfortable.Neck chest front panel portion 101 is designed for semi-flexible, and contour structures are come by the appearance and size of standardized human body's neck chest
Design, inner skeleton support construction are made using the synthetic material for having certain elasticity.The upper surface of neck front piece is fixed with
The velcro hair side of one fixed width, can be with the velcro hook side phase that is fixed on the bandage 104 of 102 both sides of nape pedestal
Bonding.The lower surface curvature and table of nape pedestal 102 match, and upper surface is then by the appearance and size of the nape part of standardized human body
It designs, it can relatively actively left and right arteria carotis part 103 be connected to nape pedestal neck both sides by flexible bandage 108.
Flexible coil surface processing, adapt to the curved design of human body neck and chest shape can make each channel of coil closer to
Human body is so as to improve picture quality.Coil each section skeleton and surfactant package material use the synthetic material of lightweight, alleviate
Coil weight, easy to carry and use.Pedestal back both sides strap configurations 104 coil using when can be used for fixed neck front
Piece 101, it is made to be close to human body will not allow people to have too big constriction again simultaneously, when not in use can be by two above and below coil in coil
Divide and be secured together, move and store convenient for coil.The binding mode of this bandage can be velcro or other
The connection fixing device of similar effect.Nape base portion and strength chest front panel portion are electrically passing through a multicore cable respectively
It is connected with Multifunctional box 106, Multifunctional box is used to provide electric power and amplification and transmission nuclear magnetic signal to coil each section circuit, and
It is connected by joint current 107 with MR system.
Fig. 2 is the Inside coil cell schematics of the neck chest joint imaging coil block of the present invention, as shown in Fig. 2, this hair
Bright neck chest joint imaging coil block can be designed to that, comprising 16 coil units, neck front piece circuit part 201 includes neck
3 coil units of portion's circuit 204 and 4 coil units of chest circuit 206, totally 7 coil units；Nape base circuit portion
Divide 202 4 coil units of arteria carotis part 203, a coil unit of nape 205 and the backs for including the left and right sides
207 4 coil units, totally 9 coil units；In this way, entire neck chest joint imaging coil block is each around neck and chest
One circle has neck during 8 coil units, the i.e. neck chest joint imaging coil block work around subject to include 8 respectively
Coil unit includes 8 coil units when the neck chest joint imaging coil block works around the chest of subject.For one
It needs the imaging applications for using accelerating algorithm extremely advantageous a bit, higher accelerated factor can be used, greatly shorten imaging time.
Certainly the cell distribution pattern of the neck chest joint imaging coil block of the present invention is nor unique, this distribution shown in Fig. 2,
The unit of neck anter is slightly more, is suitble to observation relatively close to tissues such as the thyroid glands of front.If it is desired to cervical vertebra imaging effect is good,
It can be in the several coil units of the multiple rows of cloth in 205 part of nape.
Since neck and bust sizes difference are very big, in the case where coil unit quantity is identical, neck coil list
The size of member can be relatively much smaller, if with the decoupling side that overlaps each other between chest 206 or back 207 unit traditional like that
Formula can cause circuit layout too complicated, and the several coil units of the neck of neck front piece employ shared adjacent part circuit thus
Decoupling pattern.
Fig. 3 be the present invention neck chest joint imaging coil block neck front piece coil unit distribution schematic diagram, such as Fig. 3
Shown, 304,305,306 and 307 4 breast coil units still use the overlapping of certain area between adjacent cells, such as
304th, decoupling is realized in the overlapping 345 between 305；301st, common sparing circuit is then used between 302 and 303 several neck units
Decoupling pattern, for example one section of circuit 312 has been shared between 301 and 302, can also be compared with by adjusting the circuit parameter in 312
Decoupling between good realization 301 and 302.Between neck unit 301,302,303 and chest unit 304,305,306,307
Decoupling is still using the overlapping region between the overlapping region 308,301 and 305 to partly overlap between pattern, such as 301 and 304
309, such overlapping can improve the uniformity that inside of human body encloses slightly distant image offline.
Fig. 4 is that the neck chest joint imaging coil block of the present invention and head coil component work at the same time schematic diagram, such as Fig. 4 institutes
Showing, neck chest joint imaging coil 401 of the invention can be used cooperatively with commercial head coil 402, carry out head-neck-chest joint imaging,
Due to the present invention neck chest joint imaging coil neck tightly around type design, can with partial insertion head coil opening, realize and
The slitless connection of head coil ensures the uniformity and continuity of imaging.This large-scale imaging is occurred frequently for contemporary mankind
Neural blood vessel class disease inspection and research be very helpful moved because neurovascular lesion is likely to occur in encephalic
Any position of arteries and veins, cranium arteria carotis externa and the arch of aorta.
The present invention provides the coil apparatus for magnetic resonance imaging.This equipment mainly includes neck front piece and nape pedestal
Two groups of coiler parts.Neck chest front panel portion is made of 5 to 7 coil units；Nape base portion is by 9 to 11 coil unit groups
Into including the movably carotid artery coil part at left and right sides of the neck.In use, subject lies in nape pedestal
On, neck front piece is put down gently in subject front, is fixed neck front piece with bandage, subject is close in arteria carotis part by bandage
Neck is fixed.
This equipment can be used alone, for the arch of aorta, thyroid gland, arteria carotis, the neck in the range of from heart to neck
The magnetic resonance imaging of the tissues such as vertebra can also be used cooperatively with other coils such as head coil, for larger range of neural blood
Tubing is imaged.
The coil channel cell layout to anticipate shown in Fig. 2 and Fig. 3 is designed according to the imaging system of 16 channels, but its
It is not for limiting the present invention, any those skilled in the art without departing from the spirit and scope of the present invention, can profit
Possible variation and modification are made to technical solution of the present invention with the methods and technical content of the disclosure above, it is therefore, every not take off
Content from technical solution of the present invention, any simple modification that technical spirit according to the present invention makees above example, etc.
With variation and modification, for example the quantity of certain coil sections units is increased or decreased, the decoupling mode between changing section channel,
Change the bandage quantity or fixed form between coil nape pedestal and neck front piece, belong to the protection of technical solution of the present invention
Range.
Claims (8)
1. a kind of neck chest joint imaging coil block, which is characterized in that the neck chest joint imaging coil block includes,
Neck front piece, neck front piece are semi-compliant structure, and the neck chest of shape and standardized human body are adapted；
The shape of nape pedestal, the upper surface of the nape pedestal and the nape part of standardized human body is adapted, the nape pedestal
Lower surface be adapted with table；
Arteria carotis part is actively provided with arteria carotis part in the neck both sides of the nape pedestal；
In the neck front, piece, the nape pedestal and the arteria carotis partial interior are inlaid with coil, and the coil surface is set
Insulating outer layer is equipped with, neck front piece, the nape pedestal and the neck are moved when neck chest joint imaging coil block works
Arteries and veins part is bonded with subject interface.
2. neck chest joint imaging coil block according to claim 1, which is characterized in that the neck chest joint imaging coil
During component operation 8 coil units are included at least around the neck of subject.
3. neck chest joint imaging coil block according to claim 1, which is characterized in that the neck chest joint imaging coil
During component operation 8 coil units are included at least around the chest of subject.
4. neck chest joint imaging coil block according to claim 1, which is characterized in that in the both sides of the nape pedestal
Connection structure is provided with, for fixing neck front piece and arteria carotis part.
5. neck chest joint imaging coil block according to claim 4, which is characterized in that in the neck chest joint imaging line
The connection structure is used to fix neck front piece, the nape pedestal and the arteria carotis part coil assembly when not in use
To together, convenient for moving for the neck chest joint imaging coil block.
6. neck chest joint imaging coil block according to claim 5, which is characterized in that in use, the nape pedestal
It is positioned in table, subject lies in the upper surface of the nape pedestal, and neck front piece is positioned on subject, passes through
The connection structure of the nape pedestal fixes neck front piece and arteria carotis part.
7. neck chest joint imaging coil block according to claim 1, which is characterized in that the neck chest joint imaging coil
Component further includes Multifunctional box, for providing electric energy, transmission and amplification nuclear-magnetism letter to neck front piece and the nape pedestal
Number, and pass through joint current and be connected with MR system.
8. neck chest joint imaging coil block according to claim 7, which is characterized in that neck front piece and the neck
Back end seat is connected respectively by multicore cable with the Multifunctional box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002448.5A CN108226829A (en) | 2018-01-02 | 2018-01-02 | Neck chest joint imaging coil block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002448.5A CN108226829A (en) | 2018-01-02 | 2018-01-02 | Neck chest joint imaging coil block |
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| CN108226829A true CN108226829A (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810002448.5A Pending CN108226829A (en) | 2018-01-02 | 2018-01-02 | Neck chest joint imaging coil block |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108828478A (en) * | 2018-07-05 | 2018-11-16 | 北京清影华康科技有限公司 | Head-neck-chest joint imaging coil block |
| CN109387797A (en) * | 2018-10-17 | 2019-02-26 | 江阴万康医疗科技有限公司 | Cranium neck one vascular plaque imaging coil |
| CN110780248A (en) * | 2019-11-12 | 2020-02-11 | 无锡鸣石峻致医疗科技有限公司 | Organ fat noninvasive quantitative detection system based on magnetic resonance principle |
| CN111208458A (en) * | 2018-11-21 | 2020-05-29 | 通用电气公司 | System and method for neck radio frequency coil for MR imaging |
| CN112327231A (en) * | 2021-01-04 | 2021-02-05 | 武汉中科极化医疗科技有限公司 | Hyperpolarized gas human lung imaging coil for multi-nuclear magnetic resonance system |
| CN113552517A (en) * | 2021-06-29 | 2021-10-26 | 上海辰光医疗科技股份有限公司 | 16-channel head-neck-chest coil device for magnetic resonance imaging |
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| CN109387797A (en) * | 2018-10-17 | 2019-02-26 | 江阴万康医疗科技有限公司 | Cranium neck one vascular plaque imaging coil |
| CN111208458A (en) * | 2018-11-21 | 2020-05-29 | 通用电气公司 | System and method for neck radio frequency coil for MR imaging |
| CN111208458B (en) * | 2018-11-21 | 2023-05-12 | 通用电气公司 | System and method for neck radio frequency coil for MR imaging |
| CN110780248A (en) * | 2019-11-12 | 2020-02-11 | 无锡鸣石峻致医疗科技有限公司 | Organ fat noninvasive quantitative detection system based on magnetic resonance principle |
| CN112327231A (en) * | 2021-01-04 | 2021-02-05 | 武汉中科极化医疗科技有限公司 | Hyperpolarized gas human lung imaging coil for multi-nuclear magnetic resonance system |
| CN113552517A (en) * | 2021-06-29 | 2021-10-26 | 上海辰光医疗科技股份有限公司 | 16-channel head-neck-chest coil device for magnetic resonance imaging |
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Application publication date: 20180629 |