CN210185579U - Mobile magnetic resonance imaging system - Google Patents

Abstract

The utility model provides a portable magnetic resonance imaging system, this system includes: a supporting seat; the magnetic resonance device is arranged on the supporting seat and used for bearing the load, scanning and imaging the load, providing a static magnetic environment for magnetic resonance imaging, sending out an excitation signal and acquiring an imaging signal; at least three sliding devices arranged at the bottom of the supporting seat and used for moving; the distance adjusting device is arranged between the supporting seat and the sliding device, is in one-to-one correspondence with the sliding device, is used for adjusting the distance between the corresponding sliding device and the supporting seat, and is used for adapting to the uneven ground when moving. The utility model drives the magnetic resonance device to move on the ground through the three pulley devices, thereby avoiding the walking and the moving of the load; through the distance adjusting device between the sliding device and the supporting seat, the sliding device is tightly grounded to adapt to the complex change of the ground, and the inclination of the supporting seat is avoided while the sufficient friction force generated between the sliding device and the ground is ensured.

Description

Mobile magnetic resonance imaging system

Technical Field

The utility model relates to a magnetic resonance technology field particularly, relates to a portable magnetic resonance imaging system.

Background

Most of medical magnetic resonance imaging diagnostic systems on the market are permanently and fixedly installed, occupy huge floor area and floor volume and cannot be applied in a mobile way; although some beds support multi-dimensional movement, it is difficult for some patients with critical or inconvenient walking to move from a stretcher or a cart to the bed imaging area of the mri system, which results in time and labor consuming application of the mri diagnostic system in the clinic, ICU, emergency department, etc.

The movement of a part of movable magnetic resonance imaging diagnostic systems is limited, and particularly, when the medical magnetic resonance imaging diagnostic system moves, the medical magnetic resonance imaging diagnostic system is difficult to adapt to the change of a road surface, and when the road surface is uneven, a walking mechanism can be suspended or not well contacted with the ground, so that the normal movement of the magnetic resonance imaging diagnostic system and the stability of parts are influenced.

Disclosure of Invention

In view of this, the utility model provides a portable magnetic resonance imaging system aims at solving current magnetic resonance imaging diagnostic system and for the change of fixed mounting formula or portable difficult adaptation road surface especially difficult adaptation road surface the uneven problem appears.

The utility model provides a portable magnetic resonance imaging system, this system includes: a supporting seat; the magnetic resonance device is arranged on the supporting seat and used for bearing the load, scanning and imaging the load, providing a static magnetic environment for magnetic resonance imaging, sending out an excitation signal and acquiring an imaging signal; at least three sliding devices arranged at the bottom of the supporting seat and used for moving; the distance adjusting device is arranged between the supporting seat and the sliding device, is in one-to-one correspondence with the sliding device, is used for adjusting the distance between the sliding device and the supporting seat, and is adapted to the uneven ground when moving.

Further, in the above mobile mri system, the distance adjusting device includes: a drive mechanism; and the actuating mechanism is connected with the driving mechanism and used for adjusting the distance between the supporting seat and the sliding device under the driving of the driving mechanism.

Further, in the mobile mri system, the driving mechanism is a hydraulic pump, and the actuating mechanism is a correspondingly arranged hydraulic cylinder, which adjusts the distance between the support seat and the sliding device by stretching; or, the driving mechanism is an electric motor, and the actuating mechanism is a ball screw pair, and the distance between the supporting seat and the sliding device is adjusted by converting the rotary motion of the electric motor into linear motion.

Further, in the above mobile mri system, the sliding device includes: a pulley; and the motor is connected with the pulleys and used for driving the corresponding pulleys to rotate and turn.

Furthermore, in the mobile magnetic resonance imaging system, the plurality of anti-collision sensors are used for detecting the obstacle information around the supporting seat and sending the obstacle information and the sensor numbers corresponding to the obstacle information to the control device; the sensor numbers of the anti-collision sensors are preset, and correspond to the obstacle information detected by the anti-collision sensors one by one;

and the control device is electrically connected with each anti-collision sensor and used for receiving the obstacle information and the sensor number corresponding to the obstacle information and controlling the motor according to the obstacle information and the sensor number corresponding to the obstacle information so as to control the traveling route of each pulley.

Further, the mobile mri system further includes: and the input equipment is electrically connected with the control device and used for inputting target position information for setting the magnetic resonance device and transmitting the target position information to the control device so as to control the motor through the control device and control the traveling route of the pulley.

Further, the mobile mri system further includes: and the control device sends an alarm signal to the alarm when the barrier distance of the barrier information is smaller than an alarm threshold value, and the alarm gives an alarm.

Further, the mobile mri system further includes: and the control device sends a display signal to the display when the barrier distance of the barrier information is smaller than an alarm threshold value, and displays the corresponding sensor number and the barrier distance detected by the anti-collision sensor through the display.

Further, in the mobile mri system, the pulleys are mecanum wheels to realize omnidirectional movement.

Further, the mobile mri system further includes: and the lifting device is arranged between the magnet device of the magnetic resonance device and the supporting seat and used for driving the magnet device to move up and down so as to move to an imaging area for scanning.

The utility model provides a mobile magnetic resonance imaging system, through the three pulley gear that the supporting seat bottom set up to drive magnetic resonance device and move on ground, in order to easily realize freely moving, make magnetic resonance device move to the imaging region steadily and scan, avoided the walking and the removal of inconvenient load, and then improved magnetic resonance system's convenience of use and application range; and through the distance adjusting device between each sliding device and the supporting seat, the sliding devices are tightly grounded to adapt to the complex change of the ground, and the phenomenon that the magnetic devices and other devices incline because of uneven ground is effectively avoided while the sliding devices and the ground generate enough friction force is ensured.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural diagram of a mobile magnetic resonance imaging system according to an embodiment of the present invention;

fig. 2 is a front view of a mobile mri system according to an embodiment of the present invention;

fig. 3 is a bottom view of a mobile mri system according to an embodiment of the present invention;

fig. 4 is a block diagram of a mobile magnetic resonance imaging system according to an embodiment of the present invention;

fig. 5 is a schematic structural view between the supporting seat and the pulley according to an embodiment of the present invention;

fig. 6 is a bottom view of the support seat and the pulley according to the embodiment of the present invention;

fig. 7 is a front view of the supporting seat and the pulley according to the embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 7, a preferred structure of a mobile magnetic resonance imaging system provided by an embodiment of the present invention is shown. As shown, the system includes: a support seat 1, a magnetic resonance device 2, at least three sliding devices 3, a distance adjusting device (not shown in the figure) and a lifting device 4; wherein the content of the first and second substances,

the supporting seat 1 is arranged on the ground and plays a supporting role so as to support the magnetic resonance device 2 to a set height, and further, scanning imaging of the load is facilitated.

The magnetic resonance device 2 is arranged on the supporting seat 1 and used for bearing a load and carrying out scanning imaging on the load, providing a static magnetic environment for magnetic resonance imaging, sending out an excitation signal and acquiring an imaging signal. In particular, the magnetic resonance apparatus 2 can generate a main magnetic field required by the magnetic resonance system through the magnet apparatus 21 thereof, so as to scan and image the load by the magnetic resonance phenomenon.

In order to facilitate the movement of the magnetic resonance system, at least three pulley devices 3 are arranged at the bottom of the supporting seat 1 for driving the magnetic resonance device 2 to move on the ground, so as to facilitate the accurate scanning of the load. Further preferably, the supporting base 1 is an omnidirectional moving platform, that is, the pulley device 3 can realize omnidirectional movement, so as to realize omnidirectional movement of the supporting base 1, and thus the system can realize omnidirectional movement. To improve the stability of the supporting seat 1, it is preferable that four pulley devices 3 are provided, which are respectively disposed at four corners of the supporting seat 1.

In order to adapt to complex changes of the ground, such as unevenness, distance adjusting devices are arranged between each sliding device 3 and the supporting seat 1, the distance adjusting devices and the sliding devices 3 are arranged in a one-to-one correspondence mode, the distance between the corresponding sliding devices 3 and the supporting seat 1 is adjusted through the distance adjusting devices, the distance adjusting devices are adapted to the uneven ground when moving, so that the sliding devices 3 can be tightly landed through the distance adjusting devices when the ground is uneven in the process of moving forwards or backwards, free movement is easily achieved, the magnetic resonance device 2 can be moved to an imaging area to scan, walking and moving of inconvenient loads are avoided, and using convenience and using range of the magnetic resonance system are further improved. In addition, the sliding device 3 can generate enough friction force with the ground, and meanwhile, the inclination of the supporting seat 1 is avoided, and the phenomenon that the inclination of parts such as the magnet device 21 is influenced due to the uneven ground is effectively avoided. To enable detection of the distance between the sliding means 3 and the ground or work surface, preferably each pulley means 3 may be provided with a distance sensor for detecting the distance between the sliding means 3 and the ground or work surface. Specifically, in the embodiment, four distance sensors are taken as an example to detect the positions of the four corresponding pulley devices 3 relative to the ground, so as to control the corresponding distance adjusting devices through the controller to adjust the distance between the sliding device 3 and the supporting seat 1, and further to make the sliding device 3 tightly contact the ground, or to adjust the distance adjusting devices manually.

The lifting device 4 is disposed between the magnet device 21 of the magnetic resonance device 2 and the support base 1, and is used for driving the magnet device 21 to move up and down so as to move to the imaging area for scanning. Specifically, the left and right sides (with respect to the position shown in fig. 1) of the magnet device 21 are provided with support columns 211 for supporting and fixing the magnet device 21. In order to facilitate the lifting movement of the magnet device 21, it is preferable that the lifting device 4 is provided in plurality, and it can be divided into two groups, each group is connected to the supporting columns 211 on the left and right sides of the magnet device 21, respectively, for driving the supporting columns 211 to move up and down to drive the magnet device 21 to move up and down. In this embodiment, two lifting devices 4 are illustrated as an example, and are respectively disposed at the front and the rear sides of the supporting column 211. To improve the stability of the lifting device 4, the bottom of the lifting device 4 can be fixed on the top wall of the supporting base 1 through bolts, and the top of the lifting device 4 can be connected with the supporting column 211 through the connecting piece 212. The connecting member 212 may be an adapter plate structure, or may be other connecting members, which is not limited in this embodiment. Two side plates of the adapter plate arranged at an included angle are respectively connected with the supporting column 211 and the lifting device 4 so as to drive the supporting column 211 and the magnet device 21. The plurality of lifting devices 4 can be controlled by one control unit so as to realize synchronous driving of the lifting devices 4, avoid inclination of the magnet device 21 and ensure balance in the lifting movement process of the magnet device 21. Other components of the magnetic resonance apparatus 2 may be provided on the lifting device 4 so as to move in synchronization with the magnet device 21, or may be provided at other positions so as to independently drive the magnet device 21 to move up and down. The stroke of the lifting height of the magnet device 21 can be determined according to actual conditions, and is not limited in any way in this embodiment.

In the above embodiment, each slide device 3 includes: a pulley 31 and a motor 32; wherein the content of the first and second substances,

a motor 32 is connected to pulley 31 for driving pulley 31 to rotate and steer.

Specifically, to achieve omni-directional movement of the system, preferably, the wheels 31 are mecanum wheels, which is an omni-directional movement based on the principle of a central wheel having a plurality of axles located at the periphery of the wheel, the angled peripheral axles translating a portion of the wheel steering force above a wheel normal force. Depending on the direction and speed of the respective wheels, the resulting combination of these forces produces a resultant force vector in any desired direction thereby ensuring that the platform is free to move in the direction of the resultant force vector without changing the direction of the wheels themselves. On its rim, many small rollers are obliquely distributed, so that the wheel can be transversely slided. The generatrix of the small rollers is particularly so that the envelope of each small roller is cylindrical when the wheel is turned around a fixed wheel spindle, so that the wheel can roll forward continuously. In this embodiment, the four mobile devices are combined to realize the omni-directional mobile function more flexibly and conveniently.

In the present embodiment, four sliding devices 3 disposed at four corners of the supporting seat 1 are taken as an example for explanation, that is, a pulley 31 is disposed at each of the four corners of the supporting seat 1, and a motor 32 is connected to each pulley 31 to independently control the rotation speed and the rotation direction of the pulley 31. The supporting seat 1 can be controlled by four motors 32, namely, the whole system moves forward, retreats, moves leftwards, rightwards, obliquely forwards left, obliquely forwards right, obliquely backwards left and obliquely backwards right, and specifically comprises the following steps:

left steering: the left front wheel and the left rear wheel are clockwise; the right front wheel and the right rear wheel are anticlockwise;

and (3) turning to the right: the left front wheel and the left rear wheel are anticlockwise; the right front wheel and the right rear wheel are clockwise;

advancing: the left front wheel, the right front wheel, the left rear wheel and the right rear wheel all run anticlockwise;

retreating: the left front wheel, the right front wheel, the left rear wheel and the right rear wheel all run clockwise;

left translation: the left front wheel is anticlockwise, the right front wheel is clockwise, the left rear wheel is clockwise, and the right rear wheel is anticlockwise;

translation to the right: the left front wheel is clockwise, the right front wheel is counterclockwise, the left rear wheel is counterclockwise, and the right rear wheel is clockwise;

running towards the left front: the right front wheel and the right rear wheel run clockwise; the left front wheel and the left rear wheel stop;

moving to the right front: the left front wheel and the left rear wheel run clockwise; the right front wheel and the right rear wheel stop;

left and back operation: the right front wheel and the right rear wheel run anticlockwise; the left front wheel and the left rear wheel stop;

moving to the right and back: the left front wheel and the left rear wheel run anticlockwise; the right front wheel and the right rear wheel are stopped.

In applying to magnetic resonance imaging system with mecanum wheel in this embodiment, make it can carry out the translation of qxcomm technology promptly, can turn operations such as again, have very big degree's promotion to magnetic resonance imaging system's transfer efficiency, alleviate hospital manpower resources's burden simultaneously.

In the above embodiment, the distance adjusting means includes: a driving mechanism and an actuating mechanism; wherein the content of the first and second substances,

the actuating mechanism is connected with the driving mechanism and used for adjusting the distance between the supporting seat and the sliding device under the driving of the driving mechanism. Specifically, a casing may be disposed outside the driving mechanism, the casing may be fixed to the supporting seat 1 by a bolt, the actuator is partially disposed in the casing, and the actuator end is connected to the supporting pillar sliding device 3 to drive the pulley 31 to move up and down, so as to adjust the distance between the sliding device 3 and the supporting seat 1, so as to allow the pulley 31 to contact the ground tightly. The distance adjusting device adopts a servo motor and a ball screw mode, namely, the driving mechanism is a motor, the actuating mechanism is a ball screw pair, and the rotating motion of the motor is converted into linear motion to drive the pulley 31 to move up and down. Of course, the distance adjusting device may be in the form of a hydraulic cylinder, that is, the driving mechanism is a hydraulic pump, and the actuating mechanism is a correspondingly arranged hydraulic cylinder, which drives the pulley 31 to move up and down by stretching.

In the above embodiment, in order to avoid collision with an obstacle during the movement of the system, the system is automatically moved, and preferably, the system further comprises a plurality of anti-collision sensors 5, a control device 6, an input device 7, an alarm 8 and a display 9; wherein the content of the first and second substances,

the anti-collision sensor 5 is used for detecting the obstacle information around the supporting seat 1 and sending the obstacle information and the corresponding sensor number to the control device 6. The sensor numbers of the respective collision avoidance sensors 5 are set in advance, and the sensor numbers correspond one-to-one to the obstacle information detected by the collision avoidance sensors 5. Specifically, each anti-collision sensor 5 is numbered in advance so as to know the anti-collision sensor 5 corresponding to each obstacle information, and further know the specific position and the relative direction of the obstacle around the supporting seat 4, that is, the anti-collision sensor 5 sends the detected obstacle information and the sensor code of the anti-collision sensor 5 to the control device 6 in a one-to-one correspondence manner, and the control device 6 can also store and process the received obstacle information in a classified manner, that is, the anti-collision sensors 5 are divided into a plurality of modules according to the number of the anti-collision sensors 5, so as to analyze and judge the obstacle information detected by each anti-collision sensor 5. In order to fully understand the obstacles around the supporting seat 1, it is preferable that the number of the anti-collision sensors 5 is at least four, and the anti-collision sensors 5 are disposed on four side walls of the supporting seat 1, that is, at least one anti-collision sensor 5 is disposed on each of the four side walls of the supporting seat 1, so as to detect the obstacles around the supporting seat. The obstacle information includes whether an obstacle exists around the support base 1 and obstacle distance information, namely an obstacle distance, between the obstacle and the support base 1.

The input device 7 is used for inputting the target position information of the magnetic resonance device 2, transmitting the target position information to the control device 6, and controlling the motor 32 through the control device 6 to control the traveling route of the pulley 31. The input device 7 may be a remote controller or an operation panel.

The control device 6 is electrically connected to each of the anti-collision sensors 5, and is configured to receive the obstacle information detected by each of the anti-collision sensors 5 and the sensor number corresponding thereto, and control the motor 32 according to the obstacle information and the sensor number corresponding thereto, so as to control the traveling path of each of the pulleys 31. Specifically, the control device 6 receives the obstacle information detected by each anti-collision sensor 5 and the target position information input by the input device 7, and performs determination based on the obstacle information and the target position information detected by each anti-collision sensor 5 to analyze an optimal traveling route to the target position, and further controls the four motors 32 to cause the four pulleys 31 to travel according to the optimal traveling route, thereby avoiding a collision between the system and the obstacle. The control device 6 may include an operation control device and a plurality of motor control main boards, the operation control device is configured to control the plurality of motor control main boards, and each motor control main board controls one motor 32 to control the pulley 32, so as to realize the forward, backward, leftward, rightward, leftward and rightward oblique forward, rightward and forward oblique, leftward and rightward and backward oblique translational motion of the system.

The alarm 8 is electrically connected with the control device 6, and the control device 6 sends an alarm signal to the alarm 8 when the barrier distance of the barrier information is smaller than the alarm threshold value, and gives an alarm through the alarm 8. Specifically, the control device 6 is further configured to analyze and judge the obstacle information after receiving the obstacle information and the sensor number corresponding thereto, and in particular, may compare the obstacle distance with an alarm threshold, and when the obstacle distance is smaller than the alarm threshold, send an alarm signal to the alarm 8, and the alarm 8 gives an alarm after receiving the alarm signal transmitted by the control device 6. The alarm 8 may be a buzzer or flashing light to indicate to the operator that the system is close to the surrounding obstacles. The alarm threshold may be determined according to actual conditions, and is not limited in this embodiment.

In order to specifically know the position and distance of the obstacle, preferably, the display 9 is electrically connected to the control device 6, and the control device 6 sends a display signal to the display 9 when the obstacle distance of the obstacle information is smaller than the alarm threshold, and displays the corresponding sensor number and the obstacle distance detected by the anti-collision sensor 5 through the display 9. Specifically, the control device 6 is further configured to analyze and determine the obstacle information after receiving the obstacle information and the sensor number corresponding thereto, and in particular, compare the obstacle distance with the alarm threshold, when the obstacle distance is smaller than the alarm threshold, the control device 6 sends a display signal to the display 9, and the display 9 displays the sensor number and the obstacle distance detected by the anti-collision sensor 5 after receiving the display signal sent by the control device 6. The display signal includes a trigger signal for triggering the display 9 to display, a sensor number and an obstacle distance corresponding to the sensor number. Of course, the system can also display the sensor number and the corresponding obstacle distance through the remote controller.

In summary, the mobile magnetic resonance imaging system provided in this embodiment drives the magnetic resonance device 2 to move on the ground through the three pulley devices 3 arranged at the bottom of the supporting seat 1, so as to easily realize free movement, and further, the magnetic resonance device 2 can be stably moved to an imaging area for scanning, so that the load can be accurately scanned, and the walking and moving of the inconvenient load are avoided, thereby improving the convenience in use and the application range of the magnetic resonance system; and through the distance adjusting device between each sliding device 3 and the supporting seat 1, the sliding device 3 is tightly landed to adapt to the complex change of the ground, and the inclination of the supporting seat 1 is avoided while ensuring that the sliding device 3 generates enough friction force with the ground, thereby effectively avoiding the phenomenon that the inclination of the magnetic device 21 and other devices is influenced by the uneven ground.

Particularly, the pulleys 32 of the pulley device 3 are mecanum wheels, so that the operation such as omnidirectional translation and turning can be performed, the transfer efficiency of the magnetic resonance imaging system is greatly improved, and the burden of the hospital human resources is reduced.

Further, the system is further provided with an anti-collision sensor 5 for detecting obstacle information around the support base 1 and sending the obstacle information and the sensor number corresponding to the obstacle information to the control device 6, so that the control device 6 can judge according to the obstacle information and the sensor number corresponding to the obstacle information to analyze an optimal walking route to a target position, and accordingly the motor 32 is controlled to enable the pulley 31 to walk according to the optimal walking route, and collision between the system and the obstacle is avoided.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. A mobile magnetic resonance imaging system, comprising:

a support base (1);

the magnetic resonance device (2) is arranged on the supporting seat (1) and is used for bearing a load, scanning and imaging the load, providing a static magnetic environment for magnetic resonance imaging, sending out an excitation signal and acquiring an imaging signal;

at least three sliding devices (3) arranged at the bottom of the supporting seat (1) and used for moving;

the distance adjusting device is arranged between the supporting seat (1) and the sliding device (3) and is in one-to-one correspondence with the sliding device (3) to adjust the distance between the sliding device (3) and the supporting seat (1) to adapt to the uneven ground when moving.

2. The mobile magnetic resonance imaging system of claim 1, wherein the distance adjustment device comprises:

a drive mechanism;

and the actuating mechanism is connected with the driving mechanism and used for adjusting the distance between the supporting seat (1) and the sliding device (3) under the driving of the driving mechanism.

3. Mobile magnetic resonance imaging system according to claim 2,

the driving mechanism is a hydraulic pump, the actuating mechanism is a correspondingly arranged hydraulic cylinder, and the distance between the supporting seat (1) and the sliding device (3) is adjusted through expansion and contraction; or the like, or, alternatively,

the driving mechanism is an electric motor, the actuating mechanism is a ball screw pair, and the distance between the supporting seat (1) and the sliding device (3) is adjusted by converting the rotary motion of the electric motor into linear motion.

4. A mobile magnetic resonance imaging system according to any one of claims 1 to 3, characterized in that the slide (3) comprises:

a pulley (31);

and the motor (32) is connected with the pulleys (31) and is used for driving the corresponding pulleys (31) to rotate and turn.

5. The mobile magnetic resonance imaging system of claim 4, further comprising:

the anti-collision sensors (5) are used for detecting obstacle information around the supporting seat (1) and sending the obstacle information and corresponding sensor numbers thereof to the control device (6); the sensor numbers of the anti-collision sensors (5) are preset, and the sensor numbers correspond to the obstacle information detected by the anti-collision sensors (5) one by one;

and the control device (6) is electrically connected with each anti-collision sensor (5) and used for receiving the obstacle information and the corresponding sensor number thereof and controlling the motor (32) according to the obstacle information and the corresponding sensor number thereof so as to control the walking route of each pulley (31).

6. The mobile magnetic resonance imaging system of claim 5, further comprising:

and the input device (7) is electrically connected with the control device (6) and is used for inputting target position information for setting the magnetic resonance device and transmitting the target position information to the control device (6) so as to control the motor (32) through the control device (6) and control the walking route of the pulley (31).

7. The mobile magnetic resonance imaging system of claim 5, further comprising:

and the alarm (8) is electrically connected with the control device (6), and when the barrier distance of the barrier information is smaller than an alarm threshold value, the control device (6) sends an alarm signal to the alarm (8) and alarms through the alarm (8).

8. The mobile magnetic resonance imaging system of claim 5, further comprising:

and the display (9) is electrically connected with the control device (6), and when the obstacle distance of the obstacle information is smaller than an alarm threshold value, the control device (6) sends a display signal to the display (9), and displays the corresponding sensor number and the obstacle distance detected by the anti-collision sensor (5) through the display (9).

9. Mobile magnetic resonance imaging system according to claim 4,

the pulleys (31) are Mecanum wheels so as to realize omnidirectional movement.

10. The mobile magnetic resonance imaging system of any one of claims 1 to 3, further comprising:

and the lifting device (4) is arranged between the magnet device (21) of the magnetic resonance device (2) and the support seat (1) and is used for driving the magnet device (21) to move up and down so as to move to an imaging area for scanning.

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