CN213957593U

CN213957593U - Vertical nuclear magnetic resonance device

Info

Publication number: CN213957593U
Application number: CN202022613883.7U
Authority: CN
Inventors: 彭朋; 蒋涛
Original assignee: Beijing Chaoyang Hospital
Current assignee: Beijing Chaoyang Hospital
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-13
Anticipated expiration: 2030-11-13

Abstract

The utility model discloses a vertical nuclear magnetic resonance device, including the vertical main part that sets up the nuclear magnetic resonance device on subaerial or the support frame of axial the main part endotheca is equipped with scanning rotary part the higher authority of main part or following be provided with the corresponding elevating platform in position of scanning rotary part, be equipped with handrail and/or baffle on the elevating platform, the elevating platform is connected with lift actuating mechanism, lift actuating mechanism sets up at the below of ground or the top in room. The vertical nuclear magnetic resonance device has the characteristics of small occupied area, low electromagnetic shielding requirement in the examination room, high examination efficiency, no need of disinfecting and cleaning the examination bed and the like, and an examinee can carry out nuclear magnetic resonance examination in a standing state.

Description

Vertical nuclear magnetic resonance device

Technical Field

The utility model belongs to the technical field of the medical instrument technique and specifically relates to imaging detecting instrument, concretely relates to vertical nuclear magnetic resonance device.

Background

The nuclear magnetic resonance imaging is also spin imaging, and the position and the type of the atomic nucleus forming the object can be known by detecting the emitted electromagnetic wave through an external gradient magnetic field according to the different attenuation of the released energy in different structural environments in the object by utilizing the nuclear magnetic resonance principle, so that a structural image in the object can be drawn. For imaging of internal structures of the human body, a revolutionary medical diagnostic tool has been developed. The application of the rapidly changing gradient magnetic field greatly accelerates the speed of nuclear magnetic resonance imaging, realizes the application of the technology in clinical diagnosis and scientific research, and greatly promotes the rapid development of medicine, neurophysiology and cognitive neuroscience.

However, the existing medical nuclear magnetic resonance equipment is of a bedroom structure, and a detector needs to lie on a detection bed for detection. However, more than 90% of the examinees are not patients who cannot stand or walk, and particularly, in the case of physical examination, pathogen screening, and the like, it is not necessary to lay the examinees down for examination at all. The detection equipment occupies a large indoor area, has high requirements on electromagnetic shielding conditions in the detection chamber, and can detect the electromagnetic shielding conditions only by lying a detected person on a detection bed at each detection, so that the detection efficiency is low, the detection waiting time is long, the detection process is more complicated, the detection bed is inconvenient to disinfect and clean, and a detection bed sheet also needs to be frequently replaced so as to avoid cross infection.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the defect that exists among the prior art, provide an area is little, and is lower to the electromagnetic shield requirement in the inspection chamber, can carry out the nuclear magnetic resonance inspection under the state of standing by the inspector, and the inspection efficiency is high, saves the inspection bed therefore needn't carry out the vertical nuclear magnetic resonance device of disinfection clearance to the inspection bed.

In order to achieve the above object, the technical solution of the present invention is to provide a vertical nuclear magnetic resonance device, including the main body of the vertical setting of axial nuclear magnetic resonance device on subaerial or the support frame the main body endotheca is equipped with scanning rotary part be provided with the elevating platform corresponding with scanning rotary part's position above or below the main body, be equipped with handrail and/or baffle on the elevating platform, the elevating platform is connected with lift actuating mechanism, lift actuating mechanism sets up at the top in subaerial or room.

In order to facilitate the installation and debugging of the vertical nuclear magnetic resonance device, the installation and construction cost of the device is reduced, the efficiency of the installation and construction process is improved, and a good electromagnetic shielding effect is conveniently and simply achieved.

In order to better achieve the electromagnetic shielding effect and avoid the interference of external electromagnetic signals to the nuclear magnetic resonance device, a further preferable technical scheme is that electromagnetic shielding material layers are arranged on the periphery and the top of the main body.

In order to facilitate the conveying of the part to be inspected on the body of the inspected person into the scanning rotating component, and simultaneously to simplify the structure of the lifting mechanism, reduce the cost of the lifting mechanism and facilitate the stable operation of the lifting mechanism, a further preferred technical scheme is that the lifting driving mechanism is a pneumatic or hydraulic lifting mechanism arranged below the ground, the lower surface of the lifting platform is at least connected with one end of a piston rod, the other end of the piston rod is connected with a piston, the piston is matched with an air cylinder or an oil cylinder, the air cylinder or the oil cylinder is fixed in a lower lifting chamber below the ground through a base, and the air cylinder or the oil cylinder is connected with an air pump or an oil pump through an air pipe or an oil pipe and a reversing valve.

In order to facilitate the control of the lifting speed of the lifting mechanism, improve the safety and reliability of the lifting process and improve the flexibility and stability of the lifting mechanism, the preferred technical scheme is that the lifting driving mechanism is a screw nut lifting mechanism arranged below the ground, the lower surface of the lifting platform is connected with a nut through at least one connecting rod, a sliding block is arranged on the side surface of the nut, the sliding block is in sliding fit with a sliding rail, the nut is in threaded fit with the screw rod, the screw rod is vertically arranged, one end of the screw rod is connected with a servo motor, the servo motor and the sliding rail are respectively fixedly connected with a lower bracket, and the lower bracket is fixedly arranged on the ground of a lifting chamber below the ground through a base.

In order to simplify the lifting structure, make the elevating platform can steadily go up and down, make elevating system can not influence the person of being examined on the elevating platform stands in addition, further preferred technical scheme is in addition be equipped with the ceiling on the elevating platform, the ceiling passes through connecting rod or baffle and is connected with the elevating platform, is equipped with pulley elevating system on the ceiling, pulley elevating system is including setting up the movable pulley on the ceiling, and the one end of gentle lock is fixed on roof or upper bracket frame among the pulley elevating system, and the gentle lock is walked around the movable pulley, the fixed pulley other end is connected with the hoist engine, and the hoist engine is connected with driving motor.

In order to ensure the stable lifting of the lifting platform and ensure that the lifting platform cannot swing and deviate from the scanning rotating component in the lifting process, the preferable technical scheme is that a sliding block connected with a baffle and/or a handrail is arranged on the side surface of the lifting platform, and the sliding block is in sliding fit with a sliding rail arranged on a support frame on the ground.

In order to make the lifting platform stably berth on the ground when the lifting platform is stopped in use and move up and down when the lifting platform is in use, a partition plate is further preferably arranged between the lifting platform and the ground at the upper end of the main body, and a sliding cabin door corresponding to the position of the scanning rotating component is arranged on the partition plate.

In order to ensure the safety and comfort of the whole nuclear magnetic resonance examination process of the examined person standing on the lifting platform and avoid the interference of the lifting platform on the nuclear magnetic resonance device as much as possible, the technical scheme is further preferable, the height of the baffle arranged on the lifting platform is 70 cm-200 cm, the baffle is at least arranged around the lifting platform for half circle, the handrail is arranged on the inner side of the baffle or on the upper edge of the baffle, and the baffle is a transparent plate or a frame structure.

The utility model has the advantages of, this vertical nuclear magnetic resonance device has that area is little, and is lower to the electromagnetic shield requirement in the inspection chamber, and inspection efficiency is high, needn't disinfect characteristics such as clearance to the inspection bed. In addition, when the horizontal nuclear magnetic resonance equipment is used for checking a human body, the head and the back of the human body are both laid on a bed, the daily standing state of the human body is not met, positive results are not easy to find for some functional diseases such as hernia, and diseases can be found better through standing checking.

In addition, since the detection main body portion of the vertical nuclear magnetic resonance apparatus is vertically installed, it may be installed on the upper surface of the examination room or may be installed on the lower surface of the examination room. The inspected person only needs to stand on the lifting platform, and the part of the human body to be inspected can be sent into the scanning rotating component to be inspected through the lifting of the lifting platform to carry out corresponding inspection. The detection main body part in the nuclear magnetic resonance device is vertically arranged on the roof of the examination room or under the ground, so that the occupied area of the equipment can be saved, and the electromagnetic shielding treatment is easily carried out on the detection main body part, so that the interference of electromagnetic interference signals to the nuclear magnetic resonance device can be reduced. In addition, the standing type examination can greatly improve the detection efficiency, reduce the time for waiting for examination in line, avoid the probability of virus cross infection possibly caused in the examination process when the patient lies on the examination bed, and also save the trouble of frequently cleaning and replacing the bed sheets of the examination bed.

Drawings

Fig. 1.1 and 1.2 are schematic structural views of a vertical nuclear magnetic resonance apparatus of the present invention in which a main body is disposed at an upper portion and a hydraulic lifting mechanism is employed in embodiment 1;

fig. 2.1 and 2.2 are schematic structural views of the vertical nuclear magnetic resonance device of the present invention in which the main body is disposed at the upper part and the screw nut lifting mechanism is adopted in embodiment 2;

fig. 3.1 and 3.2 are schematic structural diagrams of the vertical nuclear magnetic resonance device of the present invention in which the main body is disposed underground and the pulley elevating mechanism is adopted in embodiment 3.

In the figure: 1. a main body; 2. scanning the rotating member; 3. a support plate; 4. a cross beam; 5. a lifting platform; 6. a handrail; 7. a baffle plate; 8. a layer of electromagnetic shielding material; 9. a piston rod; 10. a piston; 11. a cylinder or oil cylinder; 12. a lower base; 13. a lifting chamber; 14. a connecting rod; 15. a nut; 16. a slider; 17. a slide rail; 18. a screw rod; 19. a servo motor; 20. a lower support frame; 21. a lower base; 22. a support; 23. a ceiling; 24. a connecting rod; 25. a movable pulley; 26. a fixed pulley; 27. flexibly locking; 28. an upper support frame; 29. a winch; 30. a drive motor; 31. a slider; 32. a slide rail; 33. a partition plate; 34. a sliding door.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

Example 1

As shown in fig. 1.1 ~ 3.2, the utility model relates to a vertical nuclear magnetic resonance device, including the main part 1 of nuclear magnetic resonance device 1 endotheca is equipped with scanning rotary part 2 in the main part, and main part 1 is installed on the support frame according to the mode of the vertical installation of axial, or installs in backup pad 3, and backup pad 3 is installed on crossbeam 4, offers the diameter in backup pad 3 and is greater than scanning rotary part 2's hole, and crossbeam 4 joinable is between the two walls body in inspection room. An elevating platform 5 corresponding to the position of the scanning rotating component 2 is arranged under the main body 1, a handrail 6 and a baffle 7 are arranged on the elevating platform 5, the elevating platform 5 is connected with an elevating driving mechanism, and the elevating driving mechanism is arranged under the ground of the inspection room.

For the convenience of the installation and debugging of vertical nuclear magnetic resonance device, reduce the installation and construction cost of the device, improve the efficiency of installation and construction process, be convenient for reach good electromagnetic shield effect simply, the utility model discloses preferred embodiment is, as shown in fig. 1.1, 1.2, main part 1 is installed in the backup pad 3 between the relative wall body in two sides, and the lower terminal surface of main part 1 apart from ground distance more than or equal to 2m so that the human body stands, reserves the human ascending space that has 30cm ~ 50cm above the up end of main part 1.

In order to better achieve the electromagnetic shielding effect and avoid the interference of external electromagnetic signals to the nuclear magnetic resonance device, the utility model discloses a further preferred embodiment is that the periphery and the top of main part 1 are installed with electromagnetic shielding material layer 8.

In scanning rotary part 2 is carried in order to facilitate the position that will be examined personnel's health needs to inspect, simultaneously in order to simplify elevating system's structure, reduce elevating system's cost, the elevating system's of being convenient for even running, the utility model discloses further preferred embodiment still, lift actuating mechanism is for setting up at subaerial pneumatic or hydraulic lifting mechanism, and the below of elevating platform 5 is connected with the one end of three piston rods 9, and the other end and the piston 10 of piston rod 9 are connected, and piston 10 and cylinder or hydro-cylinder 11 cooperate, and cylinder or hydro-cylinder 11 are fixed in subaerial lift chamber 13 through lower base 12, and cylinder or hydro-cylinder 11 pass through trachea or oil pipe, switching-over valve and air pump or oil pump connection.

Example 2

On the basis of embodiment 1, this embodiment is different from embodiment 1 in that, in order to facilitate the control of the lifting speed of the lifting mechanism, the safety and reliability of the lifting process are improved, and the flexibility and the stability of the lifting mechanism are improved, as shown in fig. 2.1 and 2.2, the preferred embodiment of the present invention further includes that the lifting driving mechanism is a screw nut lifting mechanism arranged below the ground, the lower surface of the lifting platform 5 is connected with a nut 15 through three connecting rods 14, the side surface of the nut 15 is provided with a slider 16, the slider 16 is in sliding fit with a sliding rail 17, the nut 15 is in threaded fit with a screw 18, the screw 18 is vertically arranged, one end of the screw 18 is connected with a servo motor 19, the servo motor 19 and the sliding rail 17 are respectively fixedly connected with a lower support frame 20, and the lower support frame 20 is fixedly installed on the ground of the lifting chamber 13 below the ground through a lower base 21.

Example 3

On the basis of embodiment 1, this embodiment is different from embodiment 1 in that, in order to facilitate the installation and debugging of the vertical nuclear magnetic resonance device, the installation and construction cost of the device is reduced, the efficiency of the installation and construction process is improved, and a good electromagnetic shielding effect is easily achieved, the preferred embodiment of the present invention is further that, as shown in fig. 3.1 and 3.2, the main body 1 is installed on the support 22 below the ground, the electromagnetic shielding material layer 8 is provided around the main body 1, the lifting chamber 13 extending downwards is provided at the position below the ground corresponding to the scanning rotating component 2, the lifting table 5 is provided on the ground and corresponds to the position of the scanning rotating component 2, and the upper part and/or the side surface of the lifting table 5 is connected with the lifting driving mechanism.

In order to simplify the lifting structure, make the elevating platform 5 can steadily go up and down, make elevating system can not influence the person being examined on the standing on the elevating platform 5 moreover, the utility model discloses a further preferred embodiment still, as shown in fig. 3.1, 3.2 be equipped with ceiling 23 on the elevating platform 5, ceiling 23 is connected with elevating platform 5 through connecting rod 24 or baffle 7, is equipped with pulley elevating system on the ceiling, and pulley elevating system is including setting up the movable pulley 25 on ceiling 23, and the one end of flexible lock 27 is fixed on roof or upper bracket 28 among the pulley elevating system, and flexible lock is walked around movable pulley 25, the fixed pulley 26 other end and is connected with hoist engine 29, and hoist engine 29 is connected with driving motor 30.

In order to ensure a smooth lifting of the lifting platform 5 and to ensure that the lifting platform 8 does not sway during the lifting process and may deviate from the scanning rotary member 2, a further preferred embodiment of the invention is, as shown in fig. 3 and 3.2, that a slide 31 connected to the stop 7 and/or the handrail 6 is provided on the side of the lifting platform 5, which slide 31 is in sliding fit with a slide rail 32 provided on the upper support frame 28 on the ground.

In order to make the lifting platform 5 stably berth on the ground in the out-of-service condition and move up and down in the in-service condition, the utility model discloses a further preferred embodiment still, as shown in fig. 3.1, 3.2, be equipped with baffle 33 between the lifting platform 5 and the ground at the upper end of main part 1, be equipped with the sliding door 34 that corresponds with scanning rotary part 2 position on baffle 33.

In order to ensure the safety and comfort of the whole nuclear magnetic resonance examination process of the inspected person standing on the lifting platform 5 and simultaneously avoid the interference of the lifting platform 5 on the nuclear magnetic resonance device as much as possible, the further preferable technical scheme of the utility model is also as shown in fig. 1.1-3.2, the height of the baffle 7 arranged on the lifting platform 5 is 70 cm-200 cm, the baffle 7 at least surrounds the lifting platform 5 to be arranged for half a circle, the handrail 6 is arranged on the inner side of the baffle 7 or on the upper edge of the baffle 7, and the baffle 7 is a transparent plate or is a frame structure.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The vertical nuclear magnetic resonance device is characterized by comprising a main body of the nuclear magnetic resonance device, wherein the nuclear magnetic resonance device is axially and vertically arranged on the ground or on a support frame, a scanning rotating part is sleeved in the main body, a lifting platform corresponding to the scanning rotating part in position is arranged above or below the main body, a handrail and/or a baffle plate is arranged on the lifting platform, the lifting platform is connected with a lifting driving mechanism, and the lifting driving mechanism is arranged below the ground or at the top of a room.

2. The vertical nuclear magnetic resonance device according to claim 1, wherein the main body is mounted on an upper support frame mounted on the ground or supported on a wall, the lower end surface of the main body is spaced from the ground by a distance of 2m or more, and a human body-lifting space is reserved in an upper portion of the upper end surface of the main body.

3. The vertical nuclear magnetic resonance device according to claim 2, wherein an electromagnetic shielding material layer is provided on the periphery and the top of the main body.

4. The vertical nuclear magnetic resonance device according to claim 3, wherein the lifting driving mechanism is a pneumatic or hydraulic lifting mechanism disposed below the ground, the lower surface of the lifting platform is connected to at least one end of a piston rod, the other end of the piston rod is connected to a piston, the piston is engaged with a cylinder or an oil cylinder, the cylinder or the oil cylinder is fixed in a lower lifting chamber below the ground through a base, and the cylinder or the oil cylinder is connected to an air pump or an oil pump through an air pipe or an oil pipe and a reversing valve.

5. The vertical nuclear magnetic resonance device according to claim 3, wherein the elevating driving mechanism is a screw nut elevating mechanism disposed below the ground, the lower surface of the elevating platform is connected with a nut through at least one connecting rod, a slide block is disposed on a side surface of the nut, the slide block is slidably engaged with a slide rail, the nut is threadedly engaged with the screw rod, the screw rod is vertically disposed, one end of the screw rod is connected with a servo motor, the servo motor and the slide rail are fixedly connected with a lower support frame, respectively, and the lower support frame is fixedly mounted on the ground of the elevating chamber below the ground through a base.

6. The vertical nuclear magnetic resonance apparatus according to claim 1, wherein the main body is installed on a lower support frame under the ground, the electromagnetic shielding material layer is provided around the main body, a lower lift chamber extending downward is provided at a position corresponding to the scanning rotating member under the ground, the lift table is provided on the ground and corresponds to the scanning rotating member, and an upper portion and/or a side surface of the lift table is connected to the lift driving mechanism.

7. The vertical nuclear magnetic resonance device according to claim 6, wherein a ceiling is provided on the lifting table, the ceiling is connected to the lifting table through a connecting rod or a baffle, a pulley elevating mechanism is provided on the ceiling, the pulley elevating mechanism includes a movable pulley provided on the ceiling, one end of a flexible lock in the pulley elevating mechanism is fixed to the ceiling or the upper support frame, the flexible lock is connected to a hoist through the movable pulley and the other end of the fixed pulley, and the hoist is connected to the driving motor.

8. The vertical nuclear magnetic resonance apparatus according to claim 7, wherein a slider connected to the baffle and/or the handrail is provided on a side surface of the elevating table, and the slider is slidably engaged with a slide rail provided on the support frame on the ground.

9. The vertical nuclear magnetic resonance apparatus according to claim 8, wherein a partition is provided between the floor at the upper end of the main body and the lift table, and a slide door is provided on the partition in a position corresponding to the position of the scanning rotating member.

10. The vertical nuclear magnetic resonance device according to claim 4, 5 or 9, wherein the height of the baffle plate arranged on the lifting platform is 70 cm-200 cm, the baffle plate is arranged at least half-way around the lifting platform, the handrail is arranged at the inner side of the baffle plate or at the upper edge of the baffle plate, and the baffle plate is a transparent plate or a frame structure.