阅读说明：本技术 一种可伸缩式磁共振线圈及磁共振成像装置 (A kind of extension type magnetic resonance coil and MR imaging apparatus ) 是由 庞厚芬 于 2019-05-29 设计创作，主要内容包括：本发明公开了一种可伸缩式磁共振线圈及磁共振成像装置,涉及磁共振技术领域,针对现有线圈不可收缩的问题,现提出如下方案,其包括上壳体和下壳体,所述上壳体顶端设有两个导向槽,导向槽内活动连接有三个滑块,所述滑块顶端均固定有电机,所述电机的输出轴端固定有齿轮,所述上壳体顶端固定有两个齿圈,所述齿轮与对应齿圈啮合,所述上壳体内腔活动连接有左线圈单元、中线圈单元、右线圈单元,所述左线圈单元包括左线框。本发明中,通过电机和齿轮等结构的设置,可以调节各个线圈单元的位置以及它们之间配合的位置,可以控制线圈的长度,可以起到更好的检测效果,本装置结构简单,设计合理,易于操作。(The invention discloses a kind of extension type magnetic resonance coil and MR imaging apparatus, it is related to magnetic resonance arts, for the not shrinkable problem of existing coil, now propose following scheme, it includes upper housing and lower case, the upper housing top is set there are two guide groove, sliding block there are three being flexibly connected in guide groove, the sliding block top is respectively and fixedly provided with motor, the output shaft end of the motor is fixed with gear, the upper housing top is fixed, and there are two gear rings, the gear is engaged with corresponding gear ring, the upper casing intracoelomic cavity is connected with left coil unit, middle line coil unit, right coil unit, the left coil unit includes left wire frame.In the present invention, by motor and the isostructural setting of gear, the position of adjustable each coil unit and the position cooperated between them can control the length of coil, can play better detection effect, and present apparatus structure is simple, and design is rationally, easily operated.)

1. a kind of extension type magnetic resonance coil, including upper housing (1) and lower case (2), which is characterized in that the upper housing (1) top is set there are two guide groove, is flexibly connected that there are three sliding block (14) in guide groove, and sliding block (14) top is respectively and fixedly provided with The output shaft end of motor (3), the motor (3) is fixed with gear (4), and upper housing (1) top is fixed, and there are two gear rings (5), the gear (4) is engaged with corresponding gear ring (5), and upper housing (1) inner cavity is connected with left coil unit, coil Unit, right coil unit, the left coil unit include left wire frame (6), and the right coil unit includes right wire frame (7), described Middle line coil unit includes front plate (8), rear line plate (9), and left wire frame (6) right end, right wire frame (7) left end are connected with Long line plate (10), front plate (8) left and right ends are connected with short-term plate (11), the left wire frame (6), right wire frame (7), the embedded coil of front plate (8), rear line plate (9), long line plate (10), short-term plate (11), left wire frame (6) front and back sides, Right wire frame (7) front and back sides, front plate (8) front, rear line plate (9) back side are respectively and fixedly provided with connecting plate (12), the connecting plate (12) Top is rotatably connected on nearest gear (4), and the front plate (8), rear line plate (9) both ends are respectively and fixedly provided with multiple contacts (13), the contact (13) is connected with plate interior loop, and the left wire frame (6), right wire frame (7), the coil in front plate (8) connect It is connected to voltage-stablizer.

2. a kind of extension type magnetic resonance coil according to claim 1, which is characterized in that connect on the upper housing (1) Remote controllers are connected to, two, left side motor (3) is one group, and intermediate two motors (3) are same group, and two, right side motor (3) is Same group, motor (3) is clockwise and anticlockwise motor.

3. a kind of extension type magnetic resonance coil according to claim 1, which is characterized in that the long line plate (10), short Line plate (11) side wall is equipped with limited block (15), left wire frame (6) right end, right wire frame (7) left end, front plate (8) both ends, rear line plate (9) both ends are equipped with limiting slot, and limited block (15) is movably arranged in limiting slot, and limited block (15) is fitted closely with limiting slot.

4. a kind of extension type magnetic resonance coil according to claim 1, which is characterized in that long line plate (10) length Value is greater than short-term plate (11) length value, and the contact vertical range on front plate (8) and rear line plate (9) is equal to left wire frame (6), right line Frame (7) inner wall distance, left wire frame (6), right wire frame (7) interior loop and contact (13) correspond.

5. a kind of extension type magnetic resonance coil according to claim 1, which is characterized in that the upper housing (1) is half Circle structure, upper housing (1) inner cavity is also semi-circular structure, and left wire frame (6), right wire frame (7) and upper housing (1) inner cavity fit closely.

6. a kind of extension type magnetic resonance coil according to claim 1, which is characterized in that upper housing (1) inner cavity Rear and front end is all provided with there are two sliding groove, and left wire frame (6), right wire frame (7) are installed on the sliding groove by proximal edge, front plate (8), Line plate (9) is installed on the sliding groove close to inside afterwards.

7. a kind of extension type magnetic resonance coil according to claim 1, which is characterized in that the coil is using copper gold Belong to material.

8. a kind of MR imaging apparatus, which is characterized in that including extension type magnetic according to any one of claims 1 to 7 Resonance coil.

Technical field

The present invention relates to magnetic resonance arts more particularly to a kind of extension type magnetic resonance coils and magnetic resonance imaging to fill It sets.

Background technique

Magnetic resonance refers to spin-magnetic resonance phenomenon.It is relatively wide in its meaning, comprising nuclear magnetic resonance, electron paramagnetic resonance or Electron spin resonance.In addition, the magnetic resonance often said in people's daily life, refers to magnetic resonance imaging, it is to utilize nuclear magnetic resonance One kind made of phenomenon is used for the imaging device of medical inspection.

In MRI system, transmitting coil emits radio-frequency pulse to realize magnetic resonance.Local coil receives magnetic resonance signal, And magnetic resonance signal is sent to receiving coil channel to channel adapter and receiver.In existing local coil, either hard line Circle or flexible coil, size be it is fixed, therefore, when face different detected persons when, it sometimes appear that coil without Detection site is completely covered for method or coil is excessive causes the problem of partly overlapping, and both of which will affect finally The effect of magnetic resonance imaging, thus it is proposed that a kind of extension type magnetic resonance coil and MR imaging apparatus, on solving State problem.

Summary of the invention

The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of extension type magnetic resonance proposed Coil and MR imaging apparatus.

To achieve the goals above, present invention employs following technical solutions:

A kind of extension type magnetic resonance coil, including upper housing and lower case, the upper housing top set there are two guiding Slot, guide groove is interior to be flexibly connected there are three sliding block, and the sliding block top is respectively and fixedly provided with motor, and the output shaft end of the motor is fixed There is gear, the upper housing top is fixed there are two gear ring, and the gear is engaged with corresponding gear ring, the upper casing intracoelomic cavity activity It is connected with left coil unit, middle line coil unit, right coil unit, the left coil unit includes left wire frame, the right coil list Member includes right wire frame, and the middle line coil unit includes front plate, rear line plate, and the left wire frame right end, right wire frame left end are movable Be connected with long line plate, front plate left and right ends are connected with short-term plate, the left wire frame, right wire frame, front plate, after The embedded coil of line plate, long line plate, short-term plate, the left wire frame front and back sides, right wire frame front and back sides, front plate front, rear line plate The back side is respectively and fixedly provided with connecting plate, and the connecting plate top is rotatably connected on nearest gear, the front plate, rear line plate two End is respectively and fixedly provided with multiple contacts, and the contact is connected with plate interior loop, and the left wire frame, right wire frame, the coil in the plate of front are equal It is connected with voltage-stablizer.

Preferably, remote controllers are connected on the upper housing, two, left side motor is one group, and intermediate two motors are Same group, two, right side motor is same group, and motor is clockwise and anticlockwise motor.

Preferably, the long line plate, short-term plate side wall are equipped with limited block, left wire frame right end, right wire frame left end, front plate Both ends, rear line board ends are equipped with limiting slot, and limited block is movably arranged in limiting slot, and limited block is fitted closely with limiting slot.

Preferably, the long line plate length value be greater than short-term plate length value, front plate it is vertical with the contact on rear line plate away from With a distance from equal to left wire frame, right wire frame inner wall, left wire frame, right wire frame interior loop and contact are corresponded.

Preferably, the upper housing be semi-circular structure, upper casing intracoelomic cavity is also semi-circular structure, left wire frame, right wire frame with it is upper Housing cavity fits closely.

Preferably, upper casing intracoelomic cavity rear and front end is all provided with there are two sliding groove, and left wire frame, right wire frame are installed on close The sliding groove at edge, front plate, rear line plate are installed on the sliding groove close to inside.

Preferably, the coil uses copper metal material.

A kind of MR imaging apparatus, including above-mentioned extension type magnetic resonance coil.

Compared with prior art, the beneficial effects of the present invention are:

In the present invention:

1, by motor and the isostructural setting of gear, the position of adjustable each coil unit and they between match The position of conjunction can control the length of coil, can play better detection effect.

2, present apparatus structure is simple, and design is rationally, easily operated, can not only be worked with single coil unit, may be used also With the work that combines, better telescopic effect is played.

Detailed description of the invention

Fig. 1 is a kind of main view of extension type magnetic resonance coil proposed by the present invention.

Fig. 2 is a kind of top view of extension type magnetic resonance coil proposed by the present invention.

Fig. 3 is a kind of overhead sectional view of extension type magnetic resonance coil proposed by the present invention.

Fig. 4 is the enlarged diagram in Fig. 1 at A.

Fig. 5 is a kind of side view of the left wire frame of extension type magnetic resonance coil proposed by the present invention.

In figure: line behind 1 upper housing, 2 lower cases, 3 motors, 4 gears, 5 gear rings, 6 left wire frames, 7 right wire frames, 8 front plates, 9 Plate, 10 long line plates, 11 short-term plates, 12 connecting plates, 13 contacts, 14 sliding blocks, 15 limited blocks.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.

Referring to Fig.1-5, a kind of extension type magnetic resonance coil, including upper housing 1 and lower case 2,1 top of upper housing are equipped with Two guide grooves, there are three sliding blocks 14 for the interior flexible connection of guide groove, and 14 top of sliding block is respectively and fixedly provided with motor 3, the output shaft of motor 3 End is fixed with gear 4, and 1 top of upper housing is fixed there are two gear ring 5, and gear 4 is engaged with corresponding gear ring 5, the activity of 1 inner cavity of upper housing It is connected with left coil unit, middle line coil unit, right coil unit, left coil unit includes left wire frame 6, and right coil unit includes the right side Wire frame 7, middle line coil unit include front plate 8, rear line plate 9, and left 6 right end of wire frame, 7 left end of right wire frame are connected with long line plate 10, plate 8 left and right ends in front are connected with short-term plate 11, left wire frame 6, right wire frame 7, front plate 8, rear line plate 9, long line plate 10, the embedded coil of short-term plate 11, left 6 front and back sides of wire frame, 7 front and back sides of right wire frame, 8 front of front plate, rear 9 back side of line plate are solid Surely there is connecting plate 12,12 top of connecting plate is rotatably connected on nearest gear 4, and front plate 8, rear 9 both ends of line plate are fixed There are multiple contacts 13, contact 13 is connected with plate interior loop, and left wire frame 6, right wire frame 7, the coil in front plate 8 are respectively connected with pressure stabilizing Device is connected with remote controllers on upper housing 1, and two, left side motor 3 is one group, and intermediate two motors 3 are same group, two, right side Motor 3 is same group, and motor 3 is clockwise and anticlockwise motor, and long line plate 10,11 side wall of short-term plate are equipped with limited block 15, and left wire frame 6 is right End, 7 left end of right wire frame, 8 both ends of front plate, rear 9 both ends of line plate are equipped with limiting slot, and limited block 15 is movably arranged on limiting slot Interior, limited block 15 is fitted closely with limiting slot, and long 10 length value of line plate is greater than 11 length value of short-term plate, front plate 8 and rear line plate 9 On contact vertical range be equal to left wire frame 6,7 inner wall distance of right wire frame, left wire frame 6,7 interior loop of right wire frame and contact 13 are one by one Corresponding, upper housing 1 is semi-circular structure, and 1 inner cavity of upper housing is also semi-circular structure, and left wire frame 6, right wire frame 7 and 1 inner cavity of upper housing are tight Closely connected conjunction, 1 inner cavity rear and front end of upper housing are all provided with there are two sliding groove, and left wire frame 6, right wire frame 7 are installed on the cunning by proximal edge Dynamic slot, front plate 8, rear line plate 9 are installed on the sliding groove close to inside, and coil uses copper metal material, a kind of magnetic resonance at As device, the extension type magnetic resonance coil including any one of claim 1~7.

Working principle: in the present invention, can control motor 3 by remote manipulator, and motor 3 is rotated with moving gear 4, can be with So that motor 3 moves freely on 1 top of upper housing, while driving corresponding coil unit mobile, coil unit can control Position pulls out long line plate 10 and short-term plate 11 when needing flexible, can control front plate 8, left line by control motor 3 The position of frame 6, right wire frame 7 can form new coil, Ke Yitong after front plate 8 and the contact of left wire frame 6 or right wire frame 7 Control motor 3 is crossed to control contact length, also can control the position of new coil, the electricity of new coil can be stablized by voltage-stablizer Pressure.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more, Unless otherwise specifically defined.

More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any Those familiar with the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its invents Design is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.