Magnetic resonance formed magnet structure

Abstract

The utility model discloses a magnetic resonance formed magnet structure which comprises a magnetic field generator, the top and the bottom of the magnetic field generator are both in threaded connection with threaded shafts, the ends, away from the magnetic field generator, of the threaded shafts are fixedly connected with a mounting frame, and the middle of the mounting frame is connected with an arc-shaped rod through a locking nut. A connecting assembly is arranged at the bottom of the arc-shaped rod, an electric push rod is arranged at the bottom of the connecting assembly, a cooling plate is fixedly connected to the bottom end of the electric push rod, and a coil box is fixedly connected to the side, away from the connecting assembly, of the cooling plate. Through cooperative use of the electric sliding rail and the sliding block, the adjusting frame can move along the arc-shaped rod, the distance between the two pole heads and the magnetic field generator can be conveniently adjusted, the distance between the upper pole head and the lower pole head can be adjusted through the electric push rod, the magnetic field can be conveniently adjusted by the device according to the actual situation, and the working efficiency is improved. The device can be conveniently applied to different resonance devices, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of magnet structures, in particular to a magnetic resonance formed magnet structure. Background Art

[0002] MRI refers to magnetic resonance imaging (MRI), a medical imaging method that reconstructs images from the signals generated by the resonance of atomic nuclei within a magnetic field. The human body contains numerous hydrogen nuclei. Under the influence of a strong external magnetic field, these hydrogen nuclei resonate at specific frequencies. When the radio frequency pulse stops, the hydrogen nuclei return to their original state and release signals. Computers collect and process these signals to produce images of the body's internal structures. This examination method allows for multi-directional, multi-parameter imaging with high soft tissue contrast, clearly showing lesions in the brain, spinal cord, joints, and other areas.

[0003] The magnet structure is one of the important components of the magnetic resonance imaging equipment. In the prior art, Chinese patent CN206421863U discloses a normal conductive magnetic resonance magnet, including a cover plate, a column and a magnetic field generating device. The cover plate includes an upper cover plate and a lower cover plate. The column is an integrated arc column. The thickness of the two ends of the column is not less than the thickness in the middle. The two ends of the column are fixedly connected to the upper cover plate and the lower cover plate respectively.

[0004] However, the conventional magnetic resonance magnet provided in the above technical solution still has many disadvantages in actual use. For example, the distance between the top pole and the bottom pole of the magnetic resonance magnet is fixed. In actual use, the position of the top pole and the bottom pole cannot be adjusted, making it unsuitable for magnetic resonance equipment of different sizes, resulting in poor applicability. Summary of the Invention

[0005] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract and title of the utility model to avoid obscuring the purpose of this section, the abstract and the title of the utility model, and such simplifications or omissions shall not be used to limit the scope of the present invention.

[0006] In order to solve the problem that the distance between the top pole head and the bottom pole head of the magnetic resonance magnet proposed in the above background technology is fixed, and the position of the top pole head and the bottom pole head cannot be adjusted in actual use, making it unsuitable for magnetic resonance equipment of different sizes, resulting in poor applicability, the present invention adopts the following technical solution.

[0007] A magnetic resonance formed magnet structure includes a magnetic field generator, wherein the top and bottom of the magnetic field generator are both threadedly connected to a threaded shaft, the end of the threaded shaft away from the magnetic field generator is fixedly connected to a mounting bracket, the middle of the mounting bracket is connected to an arc rod via a locking nut, a connecting assembly is provided at the bottom of the arc rod, an electric push rod is provided at the bottom of the connecting assembly, the bottom end of the electric push rod is fixedly connected to a cooling plate, the side of the cooling plate away from the connecting assembly is fixedly connected to a coil box, the side of the coil box away from the cooling plate is fixedly connected to a pole head, and the side of the pole head away from the coil box is fixedly connected to a balancing field ring.

[0008] Preferably, the central axis of the electric push rod coincides with the central axis of the cooling plate, the cooling plate, coil box, pole head and balancing ring are coaxially arranged, the bottom surface of the cooling plate fits with the top surface of the coil box, and a pole core is arranged in the center of the pole head.

[0009] Preferably, the bottom of the arc-shaped rod is fixedly connected to an electric slide rail for sliding the connecting component, the connecting component and the electric slide rail are connected via a slider, and the slider and the electric slide rail are in sliding connection.

[0010] Preferably, the connecting assembly includes a rotating shaft and an adjusting frame, the adjusting frame is rotatably connected to the slider via the rotating shaft, both ends of the rotating shaft are provided with limit nuts, and the bottom of the adjusting frame is fixedly connected to the top of the electric push rod.

[0011] Preferably, the interior of the cooling plate is a hollow structure, so that a cavity capable of accommodating the cooling liquid is formed inside the cooling plate, and a sealing plug for sealing the cavity is provided on the top of the cooling plate.

[0012] Preferably, a coil is provided inside the coil box, and a plurality of convex strips are provided on the outside of the coil box, and the plurality of convex strips are evenly distributed in a ring shape about the central axis of the coil box.

[0013] Preferably, a heat dissipation mesh port is provided on one side of the magnetic field generator, both ends of the magnetic field generator are fixedly connected to lifting rods, the bottom end of the lifting rods is fixedly connected to a base plate, positioning holes are provided at the four corners of the base plate, and a plurality of evenly distributed lightweight holes are provided on the base plate.

[0014] Beneficial effects

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The utility model uses an electric slide rail and a slider to enable the adjustment frame to move along the arc rod, which is convenient for adjusting the distance between the two pole heads and the magnetic field generator. The electric push rod can be used to adjust the distance between the upper and lower pole heads, so that the device can adjust the magnetic field according to actual conditions, facilitate the device to be applicable to different resonance equipment, and improve the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall front view structure of the utility model;

[0019] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the pole head of the present utility model;

[0021] Figure 5 This is a schematic diagram of the three-dimensional structure of the arc rod of the present utility model.

[0022] The corresponding relationship between the illustration labels and component names in the figure is as follows:

[0023] 1. Magnetic field generator; 2. Threaded shaft; 3. Mounting bracket; 4. Locking nut; 5. Arc rod; 6. Electric push rod; 7. Cooling plate; 8. Coil box; 9. Pole; 10. Field balancing ring; 11. Electric slide rail; 12. Slider; 13. Rotating shaft; 14. Adjusting bracket; 15. Sealing plug; 16. Heat dissipation mesh port; 17. Lifting rod; 18. Base plate. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] See also Figure 1-5 The utility model provides an embodiment: a magnetic resonance formed magnet structure, including a magnetic field generator 1, a heat dissipation mesh port 16 is provided on one side of the magnetic field generator 1, both ends of the magnetic field generator 1 are fixedly connected to a lifting rod 17, the bottom end of the lifting rod 17 is fixedly connected to a bottom plate 18, and positioning holes are provided at the four corners of the bottom plate 18. A plurality of evenly distributed lightweight holes are provided on the bottom plate 18. Through the positioning holes on the bottom plate 18, in combination with the use of external bolts, the bottom plate 18 can be fixed to the external horizontal plane to complete the installation of the device. The setting of the lightweight holes can reduce the weight of the device, and the height of the device can be adjusted by using the lifting rod 17.

[0028] The top and bottom of the magnetic field generator 1 are both threadedly connected to a threaded shaft 2, and the end of the threaded shaft 2 away from the magnetic field generator 1 is fixedly connected to a mounting bracket 3. The middle of the mounting bracket 3 is connected to an arc rod 5 through a locking nut 4. The bottom of the arc rod 5 is provided with a rotating shaft 13 and an adjustment bracket 14. The adjustment bracket 14 is rotatably connected to the slider 12 through the rotating shaft 13. Both ends of the rotating shaft 13 are provided with limit nuts. The bottom of the adjustment bracket 14 is fixedly connected to the top of the electric push rod 6, and the bottom of the arc rod 5 is fixedly connected to an electric slide rail 1 for sliding the connecting component. 1, the slider 12 is slidably connected to the electric slide rail 11, and the bottom end of the electric push rod 6 is fixedly connected to the cooling plate 7. The interior of the cooling plate 7 is a hollow structure, so that a cavity that can accommodate coolant is formed inside the cooling plate 7. A sealing plug 15 for sealing the cavity is provided on the top of the cooling plate 7. Through the sealing plug 15, coolant can be injected into the cooling plate 7 to facilitate cooling the coil box 8. The setting of the heat dissipation network port 16 can dissipate heat for the internal components of the magnetic field generator 1, thereby improving the heat dissipation performance of the device.

[0029] The cooling plate 7 is fixedly connected to the side of the connecting assembly with a coil box 8, a coil is provided inside the coil box 8, and a plurality of convex strips are provided on the outside of the coil box 8, and the plurality of convex strips are evenly distributed in a ring shape about the central axis of the coil box 8. The coil box 8 is fixedly connected to the side of the cooling plate 7 with a pole head 9, and the pole head 9 is fixedly connected to the side of the coil box 8 with a balancing ring 10. The electric slide rail 11 and the slider 12 are used in conjunction with each other, so that the adjustment frame 14 can be moved along the arc rod 5 to facilitate the adjustment of the distance between the two pole heads 9 and the magnetic field generator 1. The electric push rod 6 can be used to adjust the distance between the upper and lower pole heads 9. The distance between the pole heads 9 and the coil box 8 is convenient for the present invention to adjust the magnetic field according to the actual situation, and is convenient for the present invention to be applicable to different resonance equipment, thereby improving the applicability of the present invention. The central axis of the electric push rod 6 coincides with the central axis of the cooling plate 7, and the cooling plate 7, the coil box 8, the pole head 9 and the balancing ring 10 are coaxially arranged. The bottom surface of the cooling plate 7 is in contact with the top surface of the coil box 8, and a pole core is arranged at the center of the pole head 9. Through the magnetic field generator 1, in combination with the pole head 9, the pole core and the coil box 8, the purpose of magnetic resonance can be achieved, which is convenient for cooperating with external equipment for magnetic resonance imaging. The arrangement of the balancing ring 10 can further improve the uniformity of the magnetic field.

[0030] Working principle: When using this device, first use the positioning holes on the base plate 18 and the use of external bolts to fix the base plate 18 to the external horizontal plane to complete the installation of the device. The setting of the lightweight holes can reduce the weight of the device. The height of the device can be adjusted by using the lifting rod 17. Through the magnetic field generator 1, in cooperation with the pole head 9, pole core and coil box 8, the purpose of magnetic resonance can be achieved, which is convenient for cooperating with external equipment to perform magnetic resonance imaging. The setting of the balancing ring 10 can further improve the uniformity of the magnetic field. Through the sealing plug 15, coolant can be injected into the cooling plate 7 to facilitate cooling the coil box 8. The setting of the heat dissipation network port 16 can dissipate heat for the internal components of the magnetic field generator 1, thereby improving the heat dissipation performance of the device.

[0031] By using the electric slide rail 11 and the slider 12 in conjunction with each other, the adjustment frame 14 can be moved along the arc rod 5, which is convenient for adjusting the distance between the two pole heads 9 and the magnetic field generator 1. The electric push rod 6 can be used to adjust the distance between the upper and lower pole heads 9, which is convenient for the device to adjust the magnetic field according to actual conditions, facilitate the application of the device to different resonance devices, and improve the applicability of the device. The setting of the rotating shaft 13 can make the adjustment frame 14 rotate slightly, which is convenient for achieving parallel positioning of the two pole heads 9. Tightening the limit nut can fix the rotating shaft 13 and the adjustment frame 14. Loosening the locking nut 4 and cooperating with the use of the mounting frame 3 can disassemble and assemble the arc rod 5, which is convenient for replacing components of the device. The setting of the threaded shaft 2 can make the arc rod 5 rotate, which is convenient for moving the pole heads 9 to different positions of the magnetic field generator 1.

[0032] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A magnetic resonance forming magnet structure, comprising a magnetic field generator (1), characterized in that: The top and bottom of the magnetic field generator (1) are both threadedly connected to a threaded shaft (2), the end of the threaded shaft (2) away from the magnetic field generator (1) is fixedly connected to a mounting frame (3), the middle of the mounting frame (3) is connected to an arc rod (5) through a locking nut (4), the bottom of the arc rod (5) is provided with a connecting assembly, the bottom of the connecting assembly is provided with an electric push rod (6), the bottom end of the electric push rod (6) is fixedly connected to a cooling plate (7), the side of the cooling plate (7) away from the connecting assembly is fixedly connected to a coil box (8), the side of the coil box (8) away from the cooling plate (7) is fixedly connected to a pole head (9), and the side of the pole head (9) away from the coil box (8) is fixedly connected to a field ring (10).

2. The magnetic structure for magnetic resonance imaging according to claim 1, characterized in that: The central axis of the electric push rod (6) coincides with the central axis of the cooling plate (7); the cooling plate (7), the coil box (8), the pole head (9) and the field balancing ring (10) are coaxially arranged; the bottom surface of the cooling plate (7) is in contact with the top surface of the coil box (8); and a pole core is arranged at the center of the pole head (9).

3. The magnetic structure for magnetic resonance imaging according to claim 2, characterized in that: The bottom of the arc-shaped rod (5) is fixedly connected to an electric slide rail (11) for sliding the connecting component. The connecting component and the electric slide rail (11) are connected via a slider (12). The slider (12) and the electric slide rail (11) are in sliding connection.

4. The magnetic structure for magnetic resonance imaging according to claim 3, characterized in that: The connecting assembly comprises a rotating shaft (13) and an adjusting frame (14); the adjusting frame (14) is rotatably connected to the slider (12) via the rotating shaft (13); both ends of the rotating shaft (13) are provided with limiting nuts; and the bottom of the adjusting frame (14) is fixedly connected to the top of the electric push rod (6).

5. The magnetic resonance imaging magnet structure according to any one of claims 1 to 4, characterized in that: The interior of the cooling plate (7) is a hollow structure, so that a cavity capable of accommodating cooling liquid is formed inside the cooling plate (7), and a sealing plug (15) for sealing the cavity is provided on the top of the cooling plate (7).

6. The magnetic structure for magnetic resonance imaging according to claim 5, characterized in that: A coil is provided inside the coil box (8), and a plurality of convex strips are provided on the outside of the coil box (8), wherein the plurality of convex strips are evenly distributed in a ring shape about the central axis of the coil box (8).

7. The magnetic structure for magnetic resonance imaging according to claim 6, characterized in that: A heat dissipation mesh port (16) is provided on one side of the magnetic field generator (1), both ends of the magnetic field generator (1) are fixedly connected to lifting rods (17), the bottom ends of the lifting rods (17) are fixedly connected to a base plate (18), positioning holes are provided at the four corners of the base plate (18), and a plurality of evenly distributed lightweight holes are provided on the base plate (18).

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