CN110286342A - A kind of coil device for the imaging of magnetic resonance incidence - Google Patents
A kind of coil device for the imaging of magnetic resonance incidence Download PDFInfo
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- CN110286342A CN110286342A CN201910619344.3A CN201910619344A CN110286342A CN 110286342 A CN110286342 A CN 110286342A CN 201910619344 A CN201910619344 A CN 201910619344A CN 110286342 A CN110286342 A CN 110286342A
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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
- G01R33/34046—Volume type coils, e.g. bird-cage coils; Quadrature bird-cage coils; Circularly polarised coils
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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
- G01R33/36—Electrical details, e.g. matching or coupling of the coil to the receiver
- G01R33/3642—Mutual coupling or decoupling of multiple coils, e.g. decoupling of a receive coil from a transmission coil, or intentional coupling of RF coils, e.g. for RF magnetic field amplification
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
This application discloses a kind of coil devices for the imaging of magnetic resonance incidence, coil unit including coil support shell and several annulars being fixed in the coil support shell shell wall, the coil support shell is made of the head coil supporting shell and the neck coil supporting shell in it with neck accommodating chamber for having head accommodating chamber in it, the head coil supporting shell is by being located at the preceding half-shell of those who are investigated's rostral anterior and constituting positioned at the rear half-shell of those who are investigated's back head, the neck coil supporting shell is constituted by being located at the left shell half on the left of those who are investigated's neck and the right half-shell on the right side of those who are investigated's neck, the preceding half-shell, half-shell afterwards, several described coil units are fixedly installed in the shell wall of left shell half and right half-shell.Each coil unit arrangement in the device is rationally, densely distributed, and the advantage for the decoupling that partly overlaps maximumlly is utilized, improves the effect of incidence imaging.
Description
Technical field
This application involves a kind of coil devices for the imaging of magnetic resonance incidence.
Background technique
Mr imaging technique has become the important means of modern medicine clinical diagnosis, its tissue density pair with higher
Than, can carry out arbitrary orientation level imaging, without ionising radiation the advantages of, application is more and more extensive.
RF receiving coil is an important component of imaging system, and there are many kinds of class, places due to the difference of scanned position
In the front end of reception chain, very important effect is played to image quality, directly affects the quality of image quality.Meanwhile it penetrating
Frequency coil is for other component in magnetic resonance system, it is easier to developed and optimized, therefore always magnetic resonance at
As a hot spot in field.
Influence of the quantity and sortord of radio-frequency coil middle line coil unit to radio-frequency coil performance is very big, determines that magnetic is total
2 performance indicators of vibration image most critical: signal-to-noise ratio and uniformity.In high density high channel number coil design, between unit
The mutual coupling of arrangement, each coil unit is the key that design.Portion in various decoupling modes, between adjacent cells
Facet product, which is overlapped, decouples always most important, most direct, most effective decoupling mode, therefore in the present invention, sufficiently uses
Area is overlapped decoupling.
And existing neck imaging coil is because structure is complicated and design is unreasonable, it is not convenient enough so as to cause its use, and
And imaging effect is poor.
Summary of the invention
The purpose of the application is: the application proposes a kind of coil device for the imaging of magnetic resonance incidence, the device
In each coil unit arrangement rationally, it is densely distributed, the advantage for the decoupling that partly overlaps maximumlly is utilized, improves neck
The effect of portion's imaging.
The technical solution of the application is:
A kind of coil device for the imaging of magnetic resonance incidence, including coil support shell and it is fixed on the line
Enclose supporting shell shell wall in several annular coil units, the coil support shell by it have head accommodating chamber head
Coil support shell and the neck coil supporting shell in it with neck accommodating chamber are constituted, and the head coil supporting shell is by being located at
The preceding half-shell of those who are investigated's rostral anterior and positioned at those who are investigated's back head rear half-shell constitute, the neck coil supporting shell
It is constituted by being located at the left shell half on the left of those who are investigated's neck and the right half-shell on the right side of those who are investigated's neck, the preceding half-shell,
Several described coil units are fixedly installed in the shell wall of half-shell, left shell half and right half-shell afterwards.
The application further includes following preferred embodiment based on the above technical solution:
The coil unit is equipped with 32 altogether.
8 coil units are fixedly installed in the shell wall of the preceding half-shell, fixation is set in the shell wall of the rear half-shell
It is equipped with 16 coil units, is fixedly installed 4 coils respectively in the shell wall of the left shell half and the right half-shell
Unit.
16 coil units in the rear half-shell shell wall are successively divided into along the head foot direction of those who are investigated
First coil group, the second coil group, tertiary coil group and the 4th coil group, the first coil group, the second coil group, third line
Circle group and the 4th coil group respectively include 2 coil units, 5 coil units, 6 coil units and 3 coil units, and
Each coil unit in each coil group successively partially overlaps arrangement, the First Line each along the left and right directions of those who are investigated
Each coil unit in circle group is arranged to overlap with two neighboring coil unit part in second coil group, and described second
Each coil unit in coil group is arranged to overlap with two neighboring coil unit part in the tertiary coil group, and described
Each coil unit in four coil groups is arranged to overlap with two neighboring coil unit part in the tertiary coil group.
8 coil units in the preceding half-shell shell wall are successively divided into along the head foot direction of those who are investigated
Five coil groups, the 6th coil group and the 7th coil group, the 5th coil group, the 6th coil group and the 7th coil group respectively include
Each coil unit of 1 coil unit, 3 coil units and 4 coil units, the 6th coil group and the 7th coil group is equal
Along those who are investigated left and right directions successively partially overlap arrangement, and 3 coil units in the 6th coil group with
That coil unit part in 5th coil group is arranged to overlap, each coil unit in the 6th coil group with
Two neighboring coil unit part is arranged to overlap in 7th coil group.
Each coil unit in each coil group is symmetrically arranged in the left and right sides of approximately the same plane, the plane with
The left and right directions of those who are investigated is arranged vertically.
4 coil units in the left shell half shell wall are successively divided into two along the head foot direction of those who are investigated
Group, two coil units in every group two, each group overlap arrangement along the front-rear direction part of those who are investigated, any one
Coil unit is arranged to overlap with a coil unit part in another group.
4 coil units in the right half-shell shell wall are successively divided into two along the head foot direction of those who are investigated
Group, two coil units in every group two, each group overlap arrangement along the front-rear direction part of those who are investigated, any one
Coil unit is arranged to overlap with a coil unit part in another group.
8 coil units are fixedly installed in the shell wall of the preceding half-shell, fixation is set in the shell wall of the rear half-shell
It is equipped with 18 coil units, is fixedly installed 3 coils respectively in the shell wall of the left shell half and the right half-shell
Unit.
18 coil units in the rear half-shell shell wall are successively divided into along the head foot direction of those who are investigated
8th coil group, the 9th coil group, the tenth coil group and the 11st coil group and the tenth two coil group, the 8th coil group,
9th coil group, the tenth coil group and the 11st coil group and the tenth two coil group respectively include 2 coil units, 5 coils
Unit, 6 coil units, 3 coil units and 2 coil units, and the equal edge of each coil unit in each coil group
The left and right directions of those who are investigated successively partially overlap arrangement, each coil unit in the 8th coil group is with described the
Adjacent three coil unit parts are arranged to overlap in nine coil groups, each coil unit in the 9th coil group with it is described
Two neighboring coil unit part is arranged to overlap in tenth coil group, each coil unit in the 11st coil group with
Two neighboring coil unit part is arranged to overlap in tenth coil group, each coil unit in the tenth two coil group
It is arranged to overlap with two neighboring coil unit part in the 11st coil group.
3 coil units in the left shell half shell wall successively partially overlap cloth along the front-rear direction of those who are investigated
It sets；3 coil units in the right half-shell shell wall successively partially overlap cloth along the front-rear direction of those who are investigated
It sets
The application has the advantages that
1, the coil support shell of this neck coil device of the application is by head coil supporting shell and neck coil supporting shell
Two parts are constituted, and wherein the upper half shell with it can dock up and down when in use and lower half shell are constituted head coil supporting shell again,
Neck coil supporting shell is constituted from that can control the left shell half with docking and right half-shell when in use again, corresponding in each half-shell
Arrange multiple radio-frequency coil units, it is simultaneously excellent to promote detection efficiency to the wearing of the device by those who are investigated when facilitating imaging inspection
Change user experience.
2, each coil unit in each half-shell is successively divided at least two groups each along the height direction of those who are investigated, often
Each coil unit in group is sequentially arranged each along the direction perpendicular to those who are investigated's height, and any in same group
Two adjacent coil unit parts are arranged to overlap, and two adjacent groups coil unit part is arranged to overlap, so that each coil list
Member is densely distributed and arrangement is reasonable, and the advantage for the decoupling that partly overlaps maximumlly is utilized, and improves the effect of incidence imaging.
Detailed description of the invention
The application is described further in the following with reference to the drawings and specific embodiments:
Fig. 1 is coil device overall appearance figure in the embodiment of the present application one；
Fig. 2 is the outside drawing after the upper half shell of coil device in the embodiment of the present application one is removed；
Fig. 3 is the structural schematic diagram of lower half shell and upper half shell interior lines coil unit in the embodiment of the present application one；
Fig. 4 is the distributed architecture schematic diagram of each coil unit in lower half shell in the embodiment of the present application one；
Fig. 5 is the structural schematic diagram of upper half shell and upper half shell interior lines coil unit in the embodiment of the present application one；
Fig. 6 is the distributed architecture schematic diagram of each coil unit in upper half shell in the embodiment of the present application one；
Fig. 7 is the structural schematic diagram of left shell half and upper half shell interior lines coil unit in the embodiment of the present application one；
Fig. 8 is the distributed architecture schematic diagram of each coil unit in left shell half in the embodiment of the present application one；
Fig. 9 is the structural schematic diagram of right half-shell and upper half shell interior lines coil unit in the embodiment of the present application one；
Figure 10 is the distributed architecture schematic diagram of each coil unit in right half-shell in the embodiment of the present application one；
Figure 11 is the distributed architecture schematic diagram of all coils unit in the embodiment of the present application；
Figure 12 is the distributed architecture schematic diagram of each coil unit in lower half shell in the embodiment of the present application two；
Figure 13 is the distributed architecture schematic diagram of each coil unit in left shell half and right half-shell in the embodiment of the present application two；
Wherein: 1- head coil supporting shell, 2- neck coil supporting shell, 3- coil unit, 101- upper half shell, 102- lower half
Shell, 201- left shell half, 202- right half-shell, a- first coil group, the second coil group of b-, c- tertiary coil group, the 4th coil group of d-,
The 5th coil group of e-, the 6th coil group of f-, the 7th coil group of g-, the 8th coil group of h-, the 9th coil group of i-, the tenth coil of j-
Group, the 11st coil group of k-, the tenth two coil group of l-.
Specific embodiment
Embodiment one:
It is preferred real that Fig. 1 to Figure 11 shows this one for magnetic resonance incidence imaging radio frequency coil device of the application
Example is applied, identical with some conventional radio frequency coil devices to be, which also includes coil support shell and be fixed on coil support
Multiple coil units 3 in shell shell wall, each coil unit 3 are the copper sheet coil of annular.
The key improvements of the present embodiment are that above-mentioned coil support shell is supported by head coil supporting shell 1 and neck coil
Shell 2 is constituted, wherein to be formed with the head accommodating chamber protruded into for total those who are investigated head, neck in head coil supporting shell 1
Coil support shell 2 has the neck accommodating chamber protruded into for those who are investigated's neck.
Above-mentioned head coil supporting shell 1 (in imaging inspection) by being located at the preceding half-shell of those who are investigated's rostral anterior
101 and the rear half-shell 102 of back head constitute, when practical application, preceding half-shell 101 and rear half-shell 102 are respectively arranged in tested
The person's of looking into rostral anterior and back head, to form above-mentioned head accommodating chamber between, the head of those who are investigated is just
In the head accommodating chamber.Above-mentioned neck coil supporting shell 2 (in imaging inspection) by being located at those who are investigated's neck
Right half-shell 202 on the right side of the left shell half 201 and neck in left side is constituted, and when practical application, left shell half 201 and right half-shell 202 are divided
It is not arranged on the left of those who are investigated's neck and on the right side of neck, to form above-mentioned neck accommodating chamber between, and is detected
The neck for the person of looking into is located just in the head accommodating chamber.
Preceding half-shell 101 and rear half-shell 102 detachably snap connection, and left shell half 201 and right half-shell 202 pass through flexible cable
It is flexibly connected with rear half-shell 102.
Above-mentioned preceding half-shell 101, rear half-shell 102, left shell half 201 and right half-shell 202 shell wall in be fixedly installed it is multiple
Coil unit 3.And each coil unit 3 in each half-shell is successively divided into array each along the height direction of those who are investigated,
Each coil unit 3 in every group is sequentially arranged each along the direction perpendicular to those who are investigated's height, and in same group
Two 3 parts of coil unit of arbitrary neighborhood are arranged to overlap, and two adjacent groups coil unit 3 is also partially arranged to overlap.
Specifically, 8 coil units 3 are provided in the shell wall of preceding half-shell 101 altogether, are arranged altogether in the shell wall of rear half-shell 102
There are 16 coil units 3,4 coil units 3 are set altogether in the shell wall of left shell half 201, are also set altogether in the shell wall of right half-shell 202
Set 4 coil units 3.Wherein:
Referring to shown in Fig. 3 and Fig. 4,16 coil units 3 in rear 102 shell wall of half-shell are divided into four groups, and this four groups
Coil is sequentially arranged along the head foot direction (by the direction of head to foot) of those who are investigated, describes the structure of the present embodiment for convenience,
Aforementioned four sets of coils are referred to as first coil group a, the second coil group b, third line (along the head foot direction of those who are investigated)
Circle group c and the 4th coil group d.First coil group include 2 coil units 3, this 2 coil units 3 along those who are investigated a left side
The overlapping arrangement in right direction part, i.e., this 2 one the first from left of coil unit are right and part is arranged to overlap, to obtain preferable uncoupling effect
Fruit.In view of human body head is substantially spherical in shape, in order to allow each coil unit can be as far as possible close to quilt in imaging inspection
To obtain preferable image quality, 2 coil units 3 in this first coil group are in camber line by the present embodiment on examiner head
Shape arrangement, and the outer profile of the first coil group is made substantially to be in arc-shaped structure.Second coil group includes 5 coil units 3,
This 5 coil units 3 are successively in arc line shaped arrangement, and two coil lists of arbitrary neighborhood along the left and right directions of those who are investigated
First part is arranged to overlap with uncoupling.Tertiary coil group includes 6 coil units 3, this 6 coil units 3 are along those who are investigated
Left and right directions be successively in arc line shaped arrangement, and two coil unit parts of arbitrary neighborhood are arranged to overlap with uncoupling.The
Four coil groups include 3 coil units 3, this 3 coil units 3 are successively in that arc line shaped is arranged along the left and right directions of those who are investigated
Cloth, and two coil unit parts of arbitrary neighborhood are arranged to overlap (overlap) with uncoupling.
Also, each coil unit 3 in aforementioned four coil group is symmetrically arranged in the left and right sides of approximately the same plane,
Aforesaid plane and the left and right directions of those who are investigated are arranged vertically (that coil list among the second coil group and the 4th coil group
Member, one are partly located at the left side of aforesaid plane, the other half is located at the right side of aforesaid plane).That is, in rear half-shell 102
16 coil units are arranged symmetrically centered on aforesaid plane.
In order to obtain better uncoupling effect, while the convenient more bigger coil lists of arrangement interior in a limited space
Member, in the present embodiment, adjacent three coils corresponding with the second coil group b of each coil unit 3 in first coil group a
3 part of unit is arranged to overlap, and each coil unit 3 in the second coil group b is corresponding two neighboring with tertiary coil group c
3 part of coil unit is arranged to overlap, and each coil unit 3 in the 4th coil group d is corresponding adjacent with tertiary coil group c
Two 3 parts of coil unit are arranged to overlap.
Shown in referring to figure 5 and figure 6,8 coil units 3 in preceding 101 shell wall of half-shell are divided into three groups, this three groups of lines
Coil unit is sequentially arranged along the head foot direction (by the direction of head to foot) of those who are investigated, for convenience of the knot for describing the present embodiment
Aforementioned three groups of coils are referred to as the 5th coil group e, the 6th coil group f and (along the head foot direction of those who are investigated) by structure
Seven coil group g.
5th coil group only includes 1 coil unit 3.6th coil group includes 3 coil units 3, this 3 coil units
3 along the left and right directions of those who are investigated be successively in arc line shaped arrangement, and arbitrary neighborhood two coil unit parts overlap cloth
It sets with uncoupling.7th coil group include 4 coil units 3, this 4 coil units 3 along those who are investigated left and right directions successively
It arranges in arc line shaped, and two coil unit parts of arbitrary neighborhood are arranged to overlap with uncoupling.
Equally, in order to obtain better uncoupling effect, in the present embodiment, 3 coil units 3 in the 6th coil group are equal
It is arranged to overlap with that 3 part of coil unit in the 5th coil group, each coil unit 3 in the 6th coil group is with the 7th
Corresponding two neighboring 3 part of coil unit is arranged to overlap in coil group.
And 8 coil units 3 in the preceding half-shell 101 are also symmetrically arranged centered on above-mentioned plane.
Referring to shown in Fig. 7 and Fig. 8,4 coil units 3 in 201 shell wall of left shell half are arranged in sphere of movements for the elephants shape, specifically
Ground: this 4 coil units are divided into two groups, every group two, this two groups of coil units along those who are investigated head foot direction successively
It arranges, two coil units in every group are placed one after the other along the front-rear direction of those who are investigated, and two in every group
A 3 part of coil unit is arranged to overlap with uncoupling, at the same any one coil unit 3 with another group in a coil list
First 3 parts are arranged to overlap.
Referring to shown in Fig. 9 and Figure 10,4 in 4 coil units 3 and above-mentioned left shell half 201 in 202 shell wall of right half-shell
The distribution mode of a coil unit 3 is identical, this 4 coil units are also in sphere of movements for the elephants shape arrangement: 4 coil units are divided into two
Group, every group two, this two groups of coil units are sequentially arranged along the head foot direction of those who are investigated, two in every group coil unit
Be placed one after the other along the front-rear direction of those who are investigated, and two in every group coil unit, 3 part be arranged to overlap with
Uncoupling, while any one coil unit 3 is arranged to overlap with 3 part of coil unit in another group.
In order in imaging inspection, allow the coil support shell that can preferably be posted by those who are investigated head and neck skin
Skin, it is above-mentioned preceding half-shell 101, later half so that each coil unit obtains better image quality close to those who are investigated
Shell 102, left shell half 201 and right half-shell 202 are preferably positioned to the flexible structure that can be bent.
Embodiment two:
Figure 12 and Figure 13 show the application it is this for magnetic resonance incidence imaging radio frequency coil device another is excellent
Embodiment is selected, the coil device and the structure of embodiment one are essentially identical, are also configured with 32 coil units altogether.It is different
: in the present embodiment, it is fixedly installed 8 coil units 3 in the shell wall of preceding half-shell 101, is fixed in the shell wall of rear half-shell 102
It is provided with 18 coil units 3, is fixedly installed 3 coil units 3 respectively in the shell wall of left shell half 201 and right half-shell 202.
Refer again to shown in Figure 12,18 coil units 3 in rear 102 shell wall of half-shell along those who are investigated head foot side
It is total to the 8th coil group h, the 9th coil group i, the tenth coil group j and the 11st coil group k and the tenth two coil group l is successively divided into
Five coil groups, the 8th coil group h, the 9th coil group i, the tenth coil group j and the 11st coil group k and the tenth two coil group l
2 coil units 3,5,3,3 coil unit 3 and 2 coil units of coil unit of coil unit 3,6 are respectively included, and
Each coil unit 3 in each coil group successively partially overlaps arrangement each along the left and right directions of those who are investigated.8th coil
Each coil unit 3 in group h is arranged to overlap with 3 part of adjacent three coil units in the 9th coil group i, the 9th line
Each coil unit 3 in circle group i is arranged to overlap with 3 part of coil unit two neighboring in the tenth coil group j, the 11st line
Each coil unit 3 in circle group k is arranged to overlap with 3 part of coil unit two neighboring in the tenth coil group j, the tenth two wires
Each coil unit 3 in circle group l is arranged to overlap with 3 part of coil unit two neighboring in the 11st coil group k.
That is to say, be, in the present embodiment, rear half-shell 102 in the coil unit wall embodiment one in rear 102 shell wall of half-shell
Coil unit in shell wall has more two, and two had more coil unit is just arranged in the 4th coil group in embodiment one
Side.
Referring to Fig.1 shown in 3,3 coil units 3 in 201 shell wall of left shell half along those who are investigated front-rear direction
Successively partially it is arranged to overlap；3 coil units 3 in 202 shell wall of right half-shell along those who are investigated front-rear direction successively
Part is arranged to overlap.
And in the present embodiment in preceding 101 shell wall of half-shell in 8 coil units in preceding 101 shell wall of half-shell and embodiment one
The distribution of 8 coil units is identical, and details are not described herein.
Certainly, above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to make people much of that
Solution present context is simultaneously implemented accordingly, and the protection scope of the application can not be limited with this.It is all according to the application major technique
The equivalent transformation or modification that the Spirit Essence of scheme is done should all be covered within the scope of protection of this application.
Claims (10)
1. a kind of coil device for the imaging of magnetic resonance incidence, including coil support shell and it is fixed on the coil
The coil unit of several annulars in supporting shell shell wall, which is characterized in that the coil support shell is received by having head in it
The head coil supporting shell (1) of cavity and the neck coil supporting shell (2) in it with neck accommodating chamber are constituted, the head
Coil support shell (1) is by being located at the preceding half-shell (101) of those who are investigated's rostral anterior and positioned at the later half of those who are investigated's back head
Shell (102) is constituted, and the neck coil supporting shell (2) is by being located at the left shell half (201) on the left of those who are investigated's neck and being located at quilt
Right half-shell (202) on the right side of examiner's neck is constituted, the preceding half-shell (101), rear half-shell (102), left shell half (201) and right half
Several coil units (3) are fixedly installed in the shell wall of shell (202).
2. the coil device according to claim 1 for the imaging of magnetic resonance incidence, which is characterized in that the line
Coil unit (3) is equipped with 32 altogether.
3. the coil device according to claim 2 for the imaging of magnetic resonance incidence, which is characterized in that before described
8 coil units (3), fixed setting in the shell wall of the rear half-shell (102) are fixedly installed in the shell wall of half-shell (101)
There are 16 coil units (3), is fixedly installed 4 respectively in the shell wall of the left shell half (201) and the right half-shell (202)
A coil unit (3).
4. the coil device according to claim 3 for the imaging of magnetic resonance incidence, which is characterized in that be in institute
16 coil units (3) stated in rear half-shell (102) shell wall are successively divided into First Line along the head foot direction of those who are investigated
Circle group (a), the second coil group (b), tertiary coil group (c) and the 4th coil group (d), the first coil group, the second coil group,
Tertiary coil group and the 4th coil group respectively include 2 coil units (3), 5 coil units (3), 6 coil units (3) and 3
A coil unit (3), and each coil unit (3) in each coil group is each along the left and right directions successively portion of those who are investigated
Point overlapping arrangement, each coil unit (3) in the first coil group (a) is in second coil group (b) adjacent three
A coil unit (3) is partially arranged to overlap, each coil unit (3) in second coil group (b) with the third line
Two neighboring coil unit (3) is partially arranged to overlap in circle group (c), each coil unit (3) in the 4th coil group (d)
Partially it is arranged to overlap with coil unit (3) two neighboring in the tertiary coil group (c).
5. the coil device according to claim 3 for the imaging of magnetic resonance incidence, which is characterized in that be in institute
8 coil units (3) stated in preceding half-shell (101) shell wall are successively divided into the 5th coil along the head foot direction of those who are investigated
Group (e), the 6th coil group (f) and the 7th coil group (g), the 5th coil group, the 6th coil group and the 7th coil group difference
Including 1 coil unit (3), 3 coil units (3) and 4 coil units (3), the 6th coil group and the 7th coil group
Each coil unit (3) successively partially overlaps arrangement each along the left and right directions of those who are investigated, and in the 6th coil group
3 coil units (3) be partially arranged to overlap with that coil unit (3) in the 5th coil group, the 6th line
Each coil unit (3) in circle group is partially arranged to overlap with two neighboring coil unit (3) in the 7th coil group.
6. the coil device according to claim 4 or 5 for the imaging of magnetic resonance incidence, which is characterized in that every
Each coil unit (3) in a coil group is symmetrically arranged in the left and right sides of approximately the same plane, the plane and is examined
The left and right directions of person is arranged vertically.
7. the coil device according to claim 3 for the imaging of magnetic resonance incidence, which is characterized in that be in institute
4 coil units (3) stated in left shell half (201) shell wall are successively divided into two groups along the head foot direction of those who are investigated, often
Two coil units in group two, each group are arranged to overlap along the front-rear direction part of those who are investigated, any one coil
Unit (3) is partially arranged to overlap with a coil unit (3) in another group；
4 coil units (3) in the right half-shell (202) shell wall are successively divided along the head foot direction of those who are investigated
It is arranged to overlap at two coil units in two groups, every group two, each group along the front-rear direction part of those who are investigated, arbitrarily
One coil unit (3) is partially arranged to overlap with a coil unit (3) in another group.
8. the coil device according to claim 1 for the imaging of magnetic resonance incidence, which is characterized in that before described
8 coil units (3), fixed setting in the shell wall of the rear half-shell (102) are fixedly installed in the shell wall of half-shell (101)
There are 18 coil units (3), is fixedly installed 3 respectively in the shell wall of the left shell half (201) and the right half-shell (202)
A coil unit (3).
9. the coil device according to claim 8 for the imaging of magnetic resonance incidence, which is characterized in that be in institute
18 coil units (3) stated in rear half-shell (102) shell wall are successively divided into the 8th line along the head foot direction of those who are investigated
Circle group (h), the 9th coil group (i), the tenth coil group (j) and the 11st coil group (k) and the tenth two coil group (l), described the
Eight coil groups (h), the 9th coil group (i), the tenth coil group (j) and the 11st coil group (k) and the tenth two coil group (l) are respectively
Including 2 coil units (3), 5 coil units (3), 6 coil units (3), 3 coil units (3) and 2 coil units,
And each coil unit (3) in each coil group successively partially overlaps arrangement, institute each along the left and right directions of those who are investigated
State each coil unit (3) in the 8th coil group (h) with adjacent three coil units (3) in the 9th coil group (i)
Part is arranged to overlap, and each coil unit (3) in the 9th coil group (i) is adjacent with the tenth coil group (j)
Two coil units (3) are partially arranged to overlap, and each coil unit (3) in the 11st coil group (k) is with described
Two neighboring coil unit (3) is partially arranged to overlap in ten coil groups (j), each coil in the tenth two coil group (l)
Unit (3) is partially arranged to overlap with two neighboring coil unit (3) in the 11st coil group (k).
10. the coil device according to claim 8 for the imaging of magnetic resonance incidence, which is characterized in that be in
3 coil units (3) in left shell half (201) shell wall successively partially overlap cloth along the front-rear direction of those who are investigated
It sets；3 coil units (3) in the right half-shell (202) shell wall along those who are investigated front-rear direction successively portion
Divide and is arranged to overlap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN111123181A (en) * | 2020-01-20 | 2020-05-08 | 上海东软医疗科技有限公司 | Head and neck radio frequency coil device, scanning bed and magnetic resonance equipment |
| CN113109749A (en) * | 2021-05-08 | 2021-07-13 | 苏州众志医疗科技有限公司 | Split type radio frequency coil device for magnetic resonance head and neck imaging |
| 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 |
| CN113253173A (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 neck imaging |
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