CN214310848U - Magnetic resonance imaging system - Google Patents
Magnetic resonance imaging system Download PDFInfo
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- CN214310848U CN214310848U CN202022954501.7U CN202022954501U CN214310848U CN 214310848 U CN214310848 U CN 214310848U CN 202022954501 U CN202022954501 U CN 202022954501U CN 214310848 U CN214310848 U CN 214310848U
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- imaging system
- resonance imaging
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Abstract
The embodiment of the utility model discloses magnetic resonance imaging system, magnetic resonance imaging system includes: the movable shelter is provided with a cavity, the cavity is divided into a shielding room, an operation room and an equipment room, and the shielding room comprises a bottom plate, a side wall and a top; the magnet is arranged in the shielding room and comprises a first fixing hole; the supporting plate is used for supporting the magnet and provided with a second fixing hole; the insulating plate is fixed on the bottom plate and provided with a third fixing hole; and a first fixing member; the first fixing piece sequentially penetrates through the third fixing hole and the second fixing hole and then enters the first fixing hole, and is fixedly connected with the first fixing hole to fixedly connect the magnet, the supporting plate and the insulating plate, wherein one end, facing the bottom plate, of the first fixing piece is sunken in the third fixing hole, so that the first fixing piece is not contacted with the bottom plate. The shelter is adopted to replace the traditional machine room, the requirement on the machine room infrastructure of the hospital is reduced, and the infrastructure facility construction cost and the installation time cost are saved.
Description
Technical Field
The utility model relates to a fixed technical field of magnetic resonance especially relates to a magnetic resonance imaging system.
Background
The main components of a magnetic resonance apparatus include a main magnet (referred to herein simply as a magnet, and the same applies hereinafter), a gradient system, a radio frequency system, a spectrometer system, and a computer and ancillary equipment. The magnet is the most important part of constituteing among the magnetic resonance equipment, divides permanent magnetism type, normal conduction type and superconductive type, the utility model discloses in mainly indicate the permanent magnet, the effect of magnet is used for producing the magnetization vector to can arouse the atomic nucleus in the human body, thereby form the magnetic resonance image. The shelter is as magnetic resonance's infrastructure, the utility model discloses mainly solve how can be fast, convenient, effectual with the magnet, effectual fix the problem inside removing the shelter, still need consider insulating, electromagnetic interference, magnet shock attenuation and the bearing of shelter to the magnet simultaneously. Most of magnets for magnetic resonance in the market are fixed in a hospital shielding room, and the machine room is generally fixed and cannot be flexibly moved; the new repair of the machine room also requires a certain time and capital cost.
SUMMERY OF THE UTILITY MODEL
To address the above technical problems, an embodiment of the present invention provides a magnetic resonance imaging system.
An embodiment of the utility model provides a magnetic resonance imaging system, magnetic resonance imaging system includes:
the movable shelter is provided with a cavity, the cavity is divided into a shielding room, an operation room and an equipment room, and the shielding room comprises a bottom plate, a side wall and a top;
the magnet is arranged in the shielding room and comprises a first fixing hole;
the supporting plate is used for supporting the magnet and is provided with a second fixing hole;
the insulating plate is fixed on the bottom plate and provided with a third fixing hole; and
a first fixing member;
the first fixing piece sequentially penetrates through the third fixing hole and the second fixing hole and then enters the first fixing hole, and is fixedly connected with the first fixing hole so as to fixedly connect the magnet, the supporting plate and the insulating plate, wherein one end, facing the bottom plate, of the first fixing piece is sunk in the third fixing hole, so that the first fixing piece is not in contact with the bottom plate.
Optionally, the first fixing element includes a first screw, the first screw includes a first main body and a first head portion disposed at one end of the first main body, the first head portion is accommodated in the third fixing hole and abuts against the insulating plate, and the first main body passes through the second fixing hole and then is fixed in the first fixing hole.
Optionally, a first flat pad and/or a first elastic pad are clamped between one side of the first head portion facing the support plate and the insulating plate.
Optionally, a nut is fixed on the bottom plate, the support plate is further provided with a fourth fixing hole, and the insulation plate is further provided with a fifth fixing hole;
the magnetic resonance imaging system further comprises a second fixing piece, and the second fixing piece penetrates through the fourth fixing hole and the fifth fixing hole in sequence and then is fixedly connected with the nut.
Optionally, the second fixing member includes a second screw, the second screw includes a second main body and a second head portion disposed at one end of the second main body, the second head portion abuts against one side of the support plate away from the insulating plate, and the second main body is fixedly connected to the nut after sequentially passing through the fourth fixing hole and the fifth fixing hole.
Optionally, a second flat pad and/or a second elastic pad is clamped between the second head and the support plate; and/or the presence of a gas in the gas,
an insulating sleeve is sleeved at one end of the second screw close to the second head part so as to separate the second screw from the magnet; and/or the presence of a gas in the gas,
the hole diameters of the fourth fixing hole and the fifth fixing hole are larger than the diameter of the second main body.
Optionally, the insulating plate is a rubber plate; and/or the presence of a gas in the gas,
the supporting plate is a stainless steel plate; and/or the presence of a gas in the gas,
the outer side of the bottom of the square cabin is fixed on the square steel pipe.
Optionally, the surfaces of the bottom plate, the side walls and the top are covered by a red copper sheet.
Optionally, the thickness of the red copper sheet is greater than or equal to 0.2 and less than or equal to 0.3 mm; and/or the presence of a gas in the gas,
the surface of the red copper sheet is covered with an epoxy board for separating the first fixing piece from the bottom board, a through hole of the second screw is formed in the epoxy board, and the aperture of the through hole is not smaller than 30 mm.
Optionally, the thickness of the epoxy plate is greater than or equal to 3.0mm and less than or equal to 5.0 mm.
In the technical scheme provided by the embodiment of the utility model, the square cabin is adopted to replace the traditional machine room, the requirement on the machine room infrastructure of the hospital is reduced, the whole equipment is integrated into the square cabin, the equipment is transported to the hospital after being debugged in advance, and the equipment can be put into use after being simply debugged on site, so that the infrastructure construction cost and the installation time cost are saved; in addition, the first fixing piece is not contacted with the bottom plate, so that the magnetic resonance imaging system is insulated and has better anti-interference characteristic.
Drawings
Fig. 1 is a schematic structural diagram of a magnetic resonance imaging system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a magnetic resonance imaging system in another direction according to an embodiment of the present invention;
fig. 3 is a schematic partial structural diagram of a magnetic resonance imaging system according to an embodiment of the present invention;
fig. 4 is a schematic partial cross-sectional view of a magnetic resonance imaging system according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a magnetic resonance imaging system in another direction according to an embodiment of the present invention;
fig. 6 is another schematic partial cross-sectional view of an mri system according to an embodiment of the present invention;
fig. 7 is a schematic partial cross-sectional view of a magnetic resonance imaging system according to an embodiment of the present invention.
Reference numerals:
1: a shelter; 11: shielding the house; 111: a base plate; 112: a side wall; 113: a top portion; 12: an operation room; 13: a device room; 2: a magnet; 21: a first fixing hole; 3: a support plate; 31: a second fixing hole; 32: a fourth fixing hole; 4: an insulating plate; 41: a third fixing hole; 42: a fifth fixing hole; 5: a first fixing member; 6: a first flat pad; 7: a first spring washer; 8: a nut; 81: a nut hole; 9: a second fixing member; 10: a second flat pad; 20: a second spring pad; 30: an insulating sleeve; 40: and (5) square steel pipes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the following embodiments may be combined without conflict.
The utility model discloses magnetic resonance imaging system is portable removal magnetic resonance imaging system.
Referring to fig. 1 to 4, an embodiment of the present invention provides a magnetic resonance imaging system, which may include a shelter 1, a magnet 2, a supporting plate 3, an insulating plate 4, and a first fixing member 5, wherein the shelter 1 is movable, for example, the shelter 1 is mounted on a movable device such as a vehicle, so as to be movable; alternatively, the shelter 1 is transported manually. The shelter 1 of the present embodiment has a cavity, the cavity is divided into a shielding room 11, an operation room 12 and an equipment room 13, the shielding room 11 includes a bottom plate 111, a side wall 112 and a top 113, the magnet 2 is disposed in the shielding room 11, and the magnet 2 includes a first fixing hole 21. The support plate 3 is used to support the magnet 2, and the support plate 3 is provided with a second fixing hole 31. The insulating plate 4 is fixed on the bottom plate 111, and the insulating plate 4 is provided with a third fixing hole 41. The first fixing member 5 sequentially passes through the third fixing hole 41 and the second fixing hole 31 to enter the first fixing hole 21 and is fixedly coupled with the first fixing hole 21 to fixedly couple the magnet 2, the support plate 3 and the insulating plate 4, thereby fixing the magnet 2 to the base plate 111.
Wherein, one end of the first fixing member 5 facing the bottom plate 111 is sunk into the third fixing member, so that the first fixing member 5 is not in contact with the bottom plate 111. The part of the first fixing member 5 inserted into the insulating plate 4 is sunk and locked so as not to be higher than the insulating plate 4, thus ensuring that the magnet 2 and the bottom plate 111 are insulated and not conducted.
The magnetic resonance imaging system of the embodiment of the utility model adopts the square cabin 1 to replace the traditional machine room, thereby reducing the requirement on the machine room construction of the hospital, integrating the whole equipment into the square cabin 1, transporting the equipment to the hospital after pre-debugging, and simply debugging the equipment on site to put into use, thereby saving the construction cost and the installation time cost of the construction facility; moreover, the first fixing part 5 is not in contact with the bottom plate 111, so that the magnetic resonance imaging system is insulated and has better anti-interference property.
The operation room 12 is a space for medical staff to operate the magnetic resonance imaging system, a computer, a picture printing system and an operation panel of the magnetic resonance imaging system can be arranged in the operation room 12, and the medical staff controls the magnet 2 and the like in the shielding room 11 to operate and print the magnetic resonance scanning picture by operating the computer and/or the operation panel.
The equipment room 13 may be used to house components such as a spectrometer cabinet, a gradient cabinet, a power supply cabinet, and an air conditioner used in the magnetic resonance imaging system.
Alternatively, the operating room 12 is provided on one side of the shielded room 11, and the equipment room 13 is provided on the other side of the shielded room 11, but is not limited thereto.
The shelter 1 of the present embodiment may be a rectangular parallelepiped or a cube, or may have another shape.
The first fixing member 5 may be a metal member or a non-metal member. In order to improve the fixing firmness, the first fixing member 5 of the present embodiment is a metal member.
Optionally, in some embodiments, referring to fig. 4, the first fixing element 5 includes a first screw, the first screw includes a first main body and a first head portion disposed at one end of the first main body, the first head portion is received in the third fixing hole 41 and abuts against the insulating plate 4, and the first main body passes through the second fixing hole 31 and then is fixed in the first fixing hole 21.
In some embodiments, a first flat pad 6 and/or a first elastic pad 7 is sandwiched between the side of the first head facing the support plate 3 and the insulating plate 4, so that the first head is tightly connected with the insulating plate 4.
Referring to fig. 5 to 7, a nut 8 is fixed on the bottom plate 111, and optionally, the nut 8 of M20 is welded in advance at the hole for fixing the magnet 2 on the bottom plate 111.
The support plate 3 is further provided with a fourth fixing hole 32, and the insulating plate 4 is further provided with a fifth fixing hole 42. The magnetic resonance imaging system further comprises a second fixing member 9, and the second fixing member 9 is fixedly connected with the nut 8 after sequentially passing through the fourth fixing hole 32 and the fifth fixing hole 42. Specifically, the second fixing member 9 passes through the fourth fixing hole 32 and the fifth fixing hole 42 in sequence, and is then fixedly connected to the nut hole 81 of the nut 8.
The second fixing member 9 may be a metal member or a non-metal member. In order to improve the fixing firmness, the second fixing element 9 of the present embodiment is a metal element.
Optionally, in some embodiments, referring to fig. 6, the second fixing element 9 includes a second screw, the second screw includes a second main body and a second head portion disposed at one end of the second main body, the second head portion abuts against one side of the supporting plate 3 away from the insulating plate 4, and the second main body sequentially passes through the fourth fixing hole 32 and the fifth fixing hole 42 and then is fixedly connected to the nut 8.
In this embodiment, the first screw, the first elastic pad 7, the first flat pad 6, the second screw, the second elastic pad 20 and the second flat pad 10 may be made of 304 stainless steel or 316 stainless steel.
In some embodiments, a second flat pad 10 and/or a second elastic pad 20 is sandwiched between the second head portion and the support plate 3, so that the second head portion is tightly connected with the support plate 3.
Referring to fig. 6 again, an insulating sleeve 30 is sleeved on an end of the second screw close to the second head to separate the second screw from the magnet 2, and when the magnet 2 is fixed to the bottom plate 111, the insulating sleeve 30 separates the magnet 2 from the second screw, thereby ensuring that the second screw and the magnet 2 are insulated and non-conductive. The insulating sleeve 30 may be made of nylon or other insulating materials.
The fourth fixing hole 32 and the fifth fixing hole 42 each have a hole diameter larger than the diameter of the second body. Optionally, the aperture of the fourth fixing hole 32 and the fifth fixing hole 42 is 10-14 mm larger than the diameter of the second body, such as 10mm, 11mm, 12mm, 13mm or 14mm, so that the second screw can be quickly and reliably locked when the magnet 2 is fixed to the bottom plate 111.
In the prior art, the magnet 2 is generally directly fixed on the ground of the shielding room 11 through the expansion screw, and the expansion screw may loosen or even cause the displacement of the magnet 2 because the magnetic resonance imaging system always has a vibration phenomenon during operation. The embodiment of the utility model provides a through the fixed between first mounting 5 and magnet 2, backup pad 3, insulation board 4 to and the fixed between second mounting 9 and backup pad 3, insulation board 4, the nut 8, can reduce the possibility that magnet 2 takes place the displacement.
The insulating board 4 can be the rubber slab, also can be the insulating board of other materials, and insulating board 4 can the shock attenuation again insulating.
The supporting plate 3 may be a 304 stainless steel plate, and of course, the supporting plate 3 may be made of other non-magnetic or weak magnetic materials.
The outer side of the bottom of the shelter 1 is fixed on the square steel tube 40, and the bottom plate 111 of the shelter 1 has enough bearing capacity. Optionally, a square steel tube 40 with a wall thickness of 50m x 50m less than 3 is welded on the bottom of the shelter 1, and the weight of the magnet 2 is about 10 tons.
Optionally, the surfaces of the bottom plate 111, the side walls 112 and the top 113 are all covered by a red copper sheet, that is, a layer of red copper sheet is disposed on all surfaces in the shielding room 11 in the shelter 1 to prevent interference of external electromagnetic waves to the magnetic resonance imaging system. The copper sheets can be arranged on all surfaces in the shielding room 11 by means of adhesion, but are not limited to the adhesion.
The thickness of the red copper sheet in the embodiment is greater than or equal to 0.2 and less than or equal to 0.3mm, such as 0.2mm, 0.25mm or 0.3 mm.
Furthermore, the surface of the red copper sheet pasted on the base plate 111 is covered with an epoxy board (or replaced by an electric wood board) for separating the first fixing piece 5 from the base plate 111, the epoxy board protects the red copper sheet from being damaged by foreign objects under the conditions of magnet 2 transportation and the like, and the second screw of the square cabin 1 and the magnet 2 is separated to be not conducted, so that the insulation effect is achieved. The epoxy plate is provided with a through hole of a second screw, and the aperture of the through hole is not less than 30 mm.
The thickness of the epoxy plate may be greater than or equal to 3.0mm and less than or equal to 5.0 mm. Such as 3.0mm, 3.5mm, 4mm, 4.5mm or 5 mm.
In the embodiment of the present invention, according to the hole position at the bottom of the magnet 2, the supporting plate 3 and the insulating plate 4 are fixed to the bottom of the magnet 2 through the first screw M20 x 65, the first elastic pad 7 and the first flat pad 6; hoisting the magnet 2 to the doorway of the shelter 1 by using a crane, moving the magnet 2 to a specified position (on an epoxy plate on a bottom plate 111 of a shielding room 11) of the shelter 1 by using a ground tank, and fixedly locking the magnet 2 on a nut 8 of M20 by using a second screw of an insulating sleeve 30 and M20 x 90, a second elastic pad 20 and a second flat pad 10; after the magnet 2 is fixed, the host shell and the inspection bed are installed, then other parts of the system are lapped, and the shelter 1 can be moved for use after the equipment is debugged to be qualified.
Compared with the prior art, the utility model discloses a magnetic resonance imaging system advantage is exactly the removal of the realization magnetic resonance imaging system that can the low cost to have insulating, shock attenuation, anti-interference characteristics concurrently. Because the square cabin 1 is adopted to replace the traditional machine room, the requirement on the machine room infrastructure of the hospital is reduced, the whole equipment is integrated into the square cabin 1, the equipment is debugged in advance and then transported to the hospital, the equipment can be put into use by simple debugging on site, and the infrastructure facility construction cost and the installation time cost are saved. In addition, the rubber plate is adopted, and the insulation and damping characteristics of the rubber material are utilized. Furthermore, the red copper sheet is adhered to the inner surface of the shielding room 11, so that the excellent anti-electromagnetic interference characteristic of the red copper material is fully utilized.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A magnetic resonance imaging system, characterized in that the magnetic resonance imaging system comprises:
a movable shelter (1), wherein the shelter (1) is provided with a cavity which is divided into a shielding room (11), an operation room (12) and an equipment room (13), and the shielding room (11) comprises a bottom plate (111), a side wall (112) and a top part (113);
the magnet (2) is arranged in the shielding room (11), and the magnet (2) comprises a first fixing hole (21);
the support plate (3) is used for supporting the magnet (2), and the support plate (3) is provided with a second fixing hole (31);
the insulating plate (4) is fixed on the bottom plate (111), and a third fixing hole (41) is formed in the insulating plate (4); and
a first fixing member (5);
the first fixing piece (5) sequentially penetrates through the third fixing hole (41) and the second fixing hole (31) and then enters the first fixing hole (21), and is fixedly connected with the first fixing hole (21) so as to fixedly connect the magnet (2), the supporting plate (3) and the insulating plate (4), wherein one end, facing the bottom plate (111), of the first fixing piece (5) is sunk in the third fixing part, so that the first fixing piece (5) is not in contact with the bottom plate (111).
2. The magnetic resonance imaging system according to claim 1, wherein the first fixing member (5) comprises a first screw having a first body and a first head provided at one end of the first body, the first head being received in the third fixing hole (41) and abutting against the insulating plate (4), and the first body being fixed in the first fixing hole (21) after passing through the second fixing hole (31).
3. A magnetic resonance imaging system according to claim 2, characterized in that a first flat pad (6) and/or a first elastic pad (7) is interposed between the side of the first head facing the support plate (3) and the insulating plate (4).
4. The magnetic resonance imaging system according to claim 1, characterized in that a nut (8) is fixed on the bottom plate (111), the support plate (3) is further provided with a fourth fixing hole (32), and the insulating plate (4) is further provided with a fifth fixing hole (42);
the magnetic resonance imaging system further comprises a second fixing piece (9), and the second fixing piece (9) penetrates through the fourth fixing hole (32) and the fifth fixing hole (42) in sequence and then is fixedly connected with the nut (8).
5. The magnetic resonance imaging system according to claim 4, wherein the second fixing member (9) comprises a second screw, the second screw comprises a second body and a second head portion disposed at one end of the second body, the second head portion abuts against one side of the support plate (3) far away from the insulating plate (4), and the second body is fixedly connected with the nut (8) after passing through the fourth fixing hole (32) and the fifth fixing hole (42) in sequence.
6. The magnetic resonance imaging system according to claim 5, characterized in that a second flat pad (10) and/or a second elastic pad (20) is sandwiched between the second head and the support plate (3); and/or the presence of a gas in the gas,
an insulating sleeve (30) is sleeved at one end of the second screw close to the second head part so as to separate the second screw from the magnet (2); and/or the presence of a gas in the gas,
the fourth fixing hole (32) and the fifth fixing hole (42) each have a hole diameter larger than the diameter of the second body.
7. The magnetic resonance imaging system according to any one of claims 1 to 6, characterized in that the insulating plate (4) is a rubber plate; and/or the presence of a gas in the gas,
the supporting plate (3) is a stainless steel plate; and/or the presence of a gas in the gas,
the outer side of the bottom of the square cabin (1) is fixed on the square steel pipe (40).
8. The magnetic resonance imaging system of claim 5, wherein the surfaces of the floor (111), the side walls (112) and the roof (113) are covered by a copper sheet.
9. The magnetic resonance imaging system of claim 8, wherein the thickness of the copper sheets is greater than or equal to 0.2 and less than or equal to 0.3 mm; and/or the presence of a gas in the gas,
the surface of the red copper sheet is covered with an epoxy board for separating the first fixing piece (5) from the bottom plate (111), a through hole of the second screw is formed in the epoxy board, and the aperture of the through hole is not smaller than 30 mm.
10. The magnetic resonance imaging system of claim 9, wherein the epoxy plate has a thickness greater than or equal to 3.0mm and less than or equal to 5.0 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954501.7U CN214310848U (en) | 2020-12-08 | 2020-12-08 | Magnetic resonance imaging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022954501.7U CN214310848U (en) | 2020-12-08 | 2020-12-08 | Magnetic resonance imaging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214310848U true CN214310848U (en) | 2021-09-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022954501.7U Active CN214310848U (en) | 2020-12-08 | 2020-12-08 | Magnetic resonance imaging system |
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| Country | Link |
|---|---|
| CN (1) | CN214310848U (en) |
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2020
- 2020-12-08 CN CN202022954501.7U patent/CN214310848U/en active Active
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