CN112450913A - Fixing device for baby nuclear magnetic resonance detection - Google Patents
Fixing device for baby nuclear magnetic resonance detection Download PDFInfo
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- CN112450913A CN112450913A CN202011336467.5A CN202011336467A CN112450913A CN 112450913 A CN112450913 A CN 112450913A CN 202011336467 A CN202011336467 A CN 202011336467A CN 112450913 A CN112450913 A CN 112450913A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/04—Babies, e.g. for SIDS detection
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Abstract
The invention belongs to the technical field of auxiliary equipment for medical nuclear magnetic resonance detection, and discloses a fixing device for infant nuclear magnetic resonance detection, which comprises a fixing table, wherein a head fixing part and four limbs fixing parts are arranged on the fixing table, the head fixing part comprises two arc-shaped blocks, and the inner arc surfaces of the two arc-shaped blocks are oppositely arranged; the bottoms of the two arc-shaped blocks are hinged on the fixed table, and the fixed table is also provided with two driving pieces for driving the two arc-shaped blocks to move respectively; the four limbs fixing part comprises four lantern rings fixed on the fixing table. The invention solves the problem that at present, when a baby performs nuclear magnetic resonance detection, the head and the four limbs are curled and cannot be aligned due to the fact that bones are not completely developed, so that image scanning is influenced, and further the detection structure is influenced.
Description
Technical Field
The invention belongs to the technical field of auxiliary equipment for medical nuclear magnetic resonance detection, and particularly relates to a fixing device for infant nuclear magnetic resonance detection.
Background
When the baby performs nuclear magnetic resonance detection, the body of the baby cannot be controlled, so that the conditions of head distortion and limbs movement occur, and the detection result is influenced. At present, when a baby is subjected to nuclear magnetic resonance detection, a tranquilizer is generally injected in advance, so that the baby keeps a deep sleep state, and then the detection is carried out. However, in this way, although the infant does not shake during the detection, the head and the limbs cannot be aligned because the skeleton of the infant itself is soft, and the scanning of the image is affected, and the detection result is affected.
Disclosure of Invention
The invention aims to provide a fixing device for infant nuclear magnetic resonance detection, which aims to solve the problem that at present, when an infant is subjected to nuclear magnetic resonance detection, image scanning is influenced and the detection structure is influenced due to the fact that bones are not completely developed and the head and four limbs cannot be aligned.
In order to achieve the purpose, the invention provides the following technical scheme that the fixing device for the nuclear magnetic resonance detection of the infant comprises a fixing table, wherein a head fixing part and four limbs fixing parts are arranged on the fixing table, the head fixing part comprises two arc-shaped blocks, and the inner arc surfaces of the two arc-shaped blocks are oppositely arranged; the bottoms of the two arc-shaped blocks are hinged on the fixed table, and the fixed table is also provided with two driving pieces for driving the two arc-shaped blocks to move respectively; the four limbs fixing part comprises four lantern rings fixed on the fixing table.
The technical principle of the technical scheme is as follows:
during detection, the baby is placed on the fixing table, the head of the baby is located between the two arc-shaped blocks, the driving piece drives the tops of the two arc-shaped blocks to move relatively, the head of the baby can be limited and fixed, and the head of the baby can be righted. Simultaneously with the hand of baby and foot arrange the cover intra-annular in, realize fixing the four limbs of baby, avoid the four limbs of baby to curl to can reduce the probability that the scanning is influenced, reduce the probability that the testing result is influenced.
The beneficial effects of the technical scheme are as follows:
1. the technical scheme can fix and limit the head and the four limbs of the baby, thereby reducing the probability of influence on image scanning;
2. the arc-shaped blocks are arranged to limit the head of the baby, so that the head can be better attached, and the use comfort is improved;
3. can directly place the fixed station on nuclear magnetic resonance check out test set during the use, and then can take off after the completion of convenient to use again, avoid causing the influence to adult's detection.
Further, the inboard of arc piece is equipped with the flexible layer, and the flexible layer is rubber layer, silica gel layer or emulsion layer.
Has the advantages that: the flexible layer can improve the comfort level of the baby.
Furthermore, the lantern rings are all airbag rings.
Has the advantages that: the lantern ring is designed into the air bag ring, the probability of damage to the baby can be reduced, the lantern ring can be loosened and expanded through inflation and deflation, and therefore the four limbs of the baby can be fixed and taken down conveniently.
Further, the fixing table comprises a fixing plate and an installation plate, and the head fixing part and the four limbs fixing part are both arranged on the installation plate; a gas storage cavity is arranged in the fixed plate, a sliding plate is vertically and slidably connected in the gas storage cavity, a spring is arranged between the bottom of the sliding plate and the bottom of the gas storage cavity, and a linkage rod is fixed between the top of the sliding plate and the bottom of the mounting plate; air ducts are communicated between the bottom of the air storage cavity and the lantern ring.
Has the advantages that: when the baby detects, the baby places on the mounting panel, and under baby's action of gravity, the mounting panel moves down, and through the transmission of trace, the slide moves down, extrudes gas in the gas storage cavity, and gas gets into the lantern ring intra-annular, just can realize the bloated tightness of the lantern ring, and then fixes baby's four limbs. And detect the completion back, upward movement fixed plate for the slide moves up, and in gas admission gas storage cavity, the lantern ring is lax, and then can conveniently take off the baby.
Further, the driving piece comprises a push rod hinged to the upper part of the outer arc surface of the arc-shaped block and a sliding block hinged to one end, far away from the arc-shaped block, of the push rod, and the sliding block is transversely connected to the mounting plate in a sliding mode; still including setting up the driving tube in the mounting panel, the driving tube is the L type, and the both ends of driving tube are respectively towards fixed plate and slider, and the vertical pipe of driving tube and horizontal intraductal equal sliding connection have a piston, and it has the liquid of intercommunication to lie in between two pistons in the driving tube, all is fixed with the carriage release lever on the piston, and the carriage release lever in the horizontal pipe is fixed with the slider.
Has the advantages that: when placing the baby, the mounting panel moves down for the mounting panel pastes with the fixed plate gradually, and at this in-process can extrude the carriage release lever, makes the carriage release lever drive the piston and removes, through the transmission of intercommunication liquid, makes another piston also remove thereupon, and then promotes the top of two arc pieces through the carriage release lever and is close to each other, thereby accomplishes the restriction to baby's head.
Furthermore, a fixing piece is also arranged on the fixing plate.
Has the advantages that: the mounting can be fixed the fixed plate on nuclear magnetic resonance check out test set.
Further, the fixing part comprises a plurality of suckers arranged at the bottom of the fixing plate, and through holes are formed in the parts, connected with the fixing plate, of the suckers; a negative pressure cavity is arranged in the fixed plate, a plurality of negative pressure holes with two ends respectively communicated with the negative pressure cavity and the through holes are arranged at the bottom of the fixed plate, and the number of the negative pressure holes is consistent with that of the through holes; a clapboard is arranged in the negative pressure cavity, a communicating hole is arranged on the clapboard, and an air guide valve is arranged in the communicating hole.
Has the advantages that: the fixing plate can be stably fixed on the nuclear magnetic resonance detection equipment by arranging the sucking disc; during the use, place the fixed plate on nuclear magnetic resonance check out test set to the fixed plate is moved to the downward pressure, makes the gas in the sucking disc all get into the negative pressure intracavity through-hole and negative pressure hole, and through the top of air guide valve water conservancy diversion to baffle, realizes the negative pressure to the sucking disc, and then can accomplish the fixed to the fixed plate. When fixing device was taken off to needs, opened the air guide valve, derived the gas of baffle top to the sucking disc in, accomplished the loosening of sucking disc, and then can take off fixing device.
Further, the air guide valve comprises a conical sleeve, a sealing ball and a stop block, wherein the conical sleeve, the sealing ball and the stop block can seal the conical sleeve are sequentially arranged from top to bottom; the sealing ball is provided with a magnetic balancing weight, and the bottom of the mounting plate is provided with a magnetic block which is mutually attracted with the magnetic balancing weight.
Has the advantages that: when the fixing plate is fixed, the sealing ball moves downwards under the action of the magnetic balancing weight to open the conical sleeve, so that gas enters the upper part of the partition plate; and after the baby to be detected is placed on the mounting plate, the mounting plate is extruded, the mounting plate moves downwards, and then the magnetic block attracts the magnetic balancing weight, so that the conical sleeve is sealed, and the negative pressure on the sucker is further completed.
After taking off the baby, the mounting panel shifts up for the magnetic path is kept away from the magnetic balancing weight, and then the ball sealer moves down under the effect of magnetic balancing weight, with the upper portion and the lower part intercommunication in negative pressure chamber, gaseous through negative pressure hole and through-hole entering sucking disc in, conveniently takes off the fixed plate.
Further, the fixing piece comprises two mounting blocks and two communicating pipes, the mounting blocks are respectively in threaded connection with two sides of the nuclear magnetic resonance equipment, the communicating pipes are respectively fixed on two sides of the fixing plate, each communicating pipe comprises two vertical pipes and two transverse pipes, the vertical pipes and the transverse pipes are arranged at intervals, and two ends of each communicating pipe are communicated with the outside; the vertical pipe communicated with the outside and the horizontal pipe communicated with the outside are both connected with movable plugs in a sliding way, communication liquid is injected between the two movable plugs in the communication pipe, and fixed blocks are fixed on the movable plugs; the fixed block in the standpipe with outside intercommunication is down, and the fixed block in the horizontal pipe with outside intercommunication all is equipped with the fixed orifices with fixed block complex on the installation piece towards the installation piece.
Has the advantages that: when the fixing device is placed, the fixing block in the vertical pipe is gradually extruded in the process that the fixing plate and the nuclear magnetic resonance detection equipment are close to each other, so that the fixing block drives the movable plug to move, and under the linkage effect of the communication liquid, the other fixing block moves towards the direction close to the installation block and is gradually inserted into the fixing hole in the installation block, so that the fixing of the fixing plate can be completed, and the fixing device is fixed on the nuclear magnetic resonance detection equipment.
Drawings
FIG. 1 is a partial sectional view of embodiment 1 of the present invention;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 is a longitudinal sectional view of a fixing member in embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the magnetic resonance detection device comprises a fixed table 1, a mounting plate 11, an arc-shaped block 111, a sleeve ring 112, a magnetic block 113, a fixed plate 12, an air storage cavity 121, a negative pressure cavity 122, an air guide pipe 123, a negative pressure hole 124, a sliding plate 2, a linkage rod 21, a sliding block 3, a push rod 31, a driving pipe 4, a moving rod 41, a sucker 5, a through hole 51, a partition plate 6, a communication hole 61, an air guide valve 62, a conical sleeve 621, a sealing ball 622, a magnetic balancing weight 6221, a stop block 623, a communication pipe 7, a fixed block 71, a mounting block 8, a fixed hole 81 and.
Example 1:
the fixing device for infant nuclear magnetic resonance detection is basically as shown in figure 1, and comprises a fixing table 1, wherein the fixing table 1 comprises a lower fixing plate 12 and an upper mounting plate 11. The middle part of fixed plate 12 upper surface is equipped with gas storage cavity 121, and vertical sliding connection has slide 2 in the gas storage cavity 121, and the welding has the spring between 2 bottoms of slide and the gas storage cavity 121 bottom, also has the spring between 11 bottoms of mounting panel and the 12 tops of fixed plate, and the pressure spring is chooseed for use to the spring in this embodiment, and specific model parameter carries out equipment according to the actual demand.
Two linkage rods 21 are fixed on the top of the sliding plate 2, and the top ends of the linkage rods 21 are fixed on the bottom of the mounting plate 11. The bottom of the gas storage cavity 121 is communicated with four gas guide pipes 123, and the gas guide pipes 123 penetrate through the mounting plate 11.
Be equipped with on the mounting panel 11 and be located left head fixed part and be located the four limbs fixed part on right side, the four limbs fixed part includes four lantern rings 112, lantern ring 112 is the gasbag ring, and is used for two lantern rings 112 of fixed hand to be located the left side of two lantern rings 112 that are used for fixed foot, is used for two lantern rings 112 of fixed hand to be located same straight line, is used for two lantern rings 112 of fixed foot to be located same straight line, the top of four air ducts 123 respectively with every lantern ring 112 intercommunication.
The head fixing part comprises two arc blocks 111 hinged on the mounting plate 11, and the inner arc surfaces of the two arc blocks 111 are arranged oppositely. All be fixed with the flexible layer on the intrados of two arc pieces 111, the flexible layer is rubber layer, silica gel layer or emulsion layer, preferred silica gel layer in this embodiment.
The device further comprises two driving parts for driving the top of the arc-shaped block 111 to move, and as shown in fig. 2, taking the driving part on the right side as an example, the driving parts comprise a push rod 31 hinged to the upper part of the outer arc surface of the arc-shaped block 111 and a slide block 3 hinged to the bottom of the push rod 31, and the slide block 3 is transversely connected to the mounting plate 11 in a sliding manner. Still include the drive tube 4 of an L type, drive tube 4 includes a horizontal pipe and a vertical pipe, vertical pipe bottom opening, the left end opening of horizontal pipe, vertical pipe and horizontal intraductal equal sliding connection have a piston, lie in the drive tube 4 and annotate between two pistons and have the intercommunication liquid, in this embodiment, intercommunication liquid uses oil. The pistons are all fixed with a moving rod 41, and the left end of the moving rod 41 in the transverse pipe is fixed with the right end of the sliding block 3. All welded has the spring between the inner wall of piston and drive tube 4, and the spring in this embodiment chooses the pressure spring for use, and specific model selects according to actual demand.
The bottom of the fixed plate 12 is further provided with a fixing member, the fixing member in this embodiment includes a plurality of suction cups 5 fixed at the bottom of the fixed plate 12, the number of the suction cups 5 is set according to actual requirements, in this embodiment, 15 suction cups 5 are provided, and the suction cups 5 are arranged according to an array of 3X 5; the top of the suction cup 5 is provided with a through hole 51.
Still be equipped with negative pressure chamber 122 on fixed plate 12, negative pressure chamber 122 is the U type, and negative pressure chamber 122 is including the horizontal portion that is located gas storage cavity 121 below and the vertical portion that is located gas storage cavity 121 both sides, and as shown with the combination of fig. 3, the bottom of vertical portion all is equipped with baffle 6, all is equipped with the intercommunicating pore 61 with the horizontal portion and the vertical portion intercommunication in negative pressure chamber 122 on the baffle 6, is equipped with air guide valve 62 in the intercommunicating pore 61. The bottom of the fixing plate 12 is provided with a plurality of negative pressure holes 124, the number of the negative pressure holes 124 is the same as that of the through holes 51, and the negative pressure holes 124 correspond to the through holes 51 one by one.
The air guide valve 62 comprises a conical sleeve 621, a sealing ball 622 and a stop dog 623 which are sequentially arranged from top to bottom, the large-diameter end of the conical sleeve 621 faces downwards, the sealing ball 622 can seal the small-diameter end of the conical sleeve 621, a spring is welded between the sealing ball 622 and the stop dog 623, in the embodiment, the pressure spring is selected for use at the position, and the specific model is set according to actual requirements. A magnetic balancing weight 6221 is fixed on the sealing ball 622, two magnetic blocks 113 mutually attracted with the magnetic balancing weight 6221 are arranged at the bottom of the mounting plate 11, and the magnetic blocks 113 are respectively positioned above the two magnetic balancing weights 6221.
The specific implementation process is as follows:
when a baby needs to perform nuclear magnetic resonance detection, the fixing plate 12 is placed on the nuclear magnetic resonance detection equipment 9, then the baby is placed on the mounting plate 11, the head of the baby is located between the two arc-shaped blocks 111, the hands and the feet of the baby are respectively located in the lantern rings 112, and then the baby is loosened. At this moment, the mounting plate 11 is driven to move downwards under the action of the gravity of the infant, the slide plate 2 moves downwards through the transmission of the linkage rod 21, the air at the lower part of the air storage cavity 121 is extruded, and the air enters the lantern ring 112 through the air duct 123, so that the hands and the feet of the infant are fixed and limited. Meanwhile, when the mounting plate 11 moves downwards, the moving rod 41 in the vertical pipe of the driving pipe 4 can be extruded, and through the driving of the communicating liquid, the moving rod 41 in the horizontal pipe pushes the sliding block 3 to move, and then through the driving of the push rod 31, the two arc-shaped blocks 111 move relatively, so that the head of the baby is fixed and limited.
And in the in-process of placing fixing device, under fixing device's self action of gravity, can extrude sucking disc 5 for gas in sucking disc 5 passes through-hole 51 and negative pressure hole 124 and gets into in the horizontal portion of negative pressure chamber 122, and at this moment, the ball sealer 622 of air guide valve 62 moves down under the effect of magnetic balancing weight 6221, and gas gets into in the vertical portion of negative pressure chamber 122 through to air guide valve 62. After the baby is located on the mounting plate 11, the mounting plate 11 moves downwards, so that the magnetic block 113 on the mounting plate 11 is close to the magnetic balancing weight 6221 to attract the magnetic balancing weight 6221, the conical sleeve 621 is sealed by the sealing ball 622, negative pressure to the sucker 5 is realized, fixing of the fixing plate 12 is completed, and fixing of the fixing device is further realized.
After the baby detects, when fixing device need be taken off, upwards mention mounting panel 11 earlier for slide 2 moves up, and gas storage cavity 121 inhales, and then lantern ring 112 shrink loosens baby's hand and shank. The force applied to the first moving rod 41 at the bottom is removed, and the first moving rod is reset under the action of the spring, so that the arc-shaped blocks 111 also release the head of the infant, and the infant is held down from the mounting plate 11.
In the process of moving up the mounting plate 11, the magnetic block 113 is gradually away from the magnetic balancing weight 6221, so that the suction force generated by the magnetic balancing weight 6221 disappears, the sealing ball 622 moves down under the action of gravity of the magnetic balancing weight 6221, so that the gas in the vertical part of the negative pressure cavity 122 is led into the suction cup 5, the suction cup 5 is separated from the nuclear magnetic resonance detection equipment 9, and the fixing device is convenient to take down.
Example 2:
Use left communicating pipe 7 as an example, communicating pipe 7 includes two violently pipes and two standpipes, violently manages and the standpipe interval sets up, the standpipe top opening on right side, the violently pipe right-hand member opening of downside. The standpipe on right side runs through fixed plate 12 and sets up upwards, and equal sliding connection has the movable stopper in the standpipe on right side and the horizontal pipe of downside, all is fixed with fixed block 71 on the movable stopper, and fixed block 71 can slide in the fixed orifices 81. Communicating pipe 7 is filled with communicating liquid between two movable plugs, and in this embodiment, the communicating liquid uses oil. All welded between the inner wall of activity stopper and communicating pipe 7 has the spring, and the spring in this embodiment chooses for use the pressure spring, and specific parameter is selected according to the actual demand.
The specific implementation process is as follows:
when the fixing device is installed, the fixing block 71 in the transverse tube is aligned with the fixing hole 81 of the installation block 8, and the baby is placed on the installation plate 11. In the process, the mounting plate 11 gradually moves downwards, so that the fixing block 71 in the vertical pipe is extruded, and under the transmission action of the communication liquid, the fixing block 71 in the transverse pipe gradually slides into the mounting hole of the mounting block 8, so that the fixing of the fixing plate 12 is completed.
When the fixing device needs to be taken down, the mounting plate 11 is moved upwards, and then the baby is held down. In the process, the force for extruding the fixed block 71 in the vertical pipe gradually disappears, and the movable plug gradually resets under the action of the spring, so that the fixed block 71 in the transverse pipe slides out of the mounting hole of the mounting block 8, and the fixing device can be taken down.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention, and these changes and modifications should not be construed as affecting the performance of the invention and its practical application.
Claims (9)
1. Fixing device for baby nuclear magnetic resonance detection, its characterized in that: the fixing table is provided with a head fixing part and four limb fixing parts, the head fixing part comprises two arc-shaped blocks, and the inner arc surfaces of the two arc-shaped blocks are oppositely arranged; the bottoms of the two arc-shaped blocks are hinged on the fixed table, and the fixed table is also provided with two driving pieces for driving the two arc-shaped blocks to move respectively; the four limbs fixing part comprises four lantern rings fixed on the fixing table.
2. The fixing device for baby NMR detection according to claim 1, characterized in that: the inboard of arc piece is equipped with the flexible layer, and the flexible layer is rubber layer, silica gel layer or emulsion layer.
3. The fixing device for baby NMR detection according to claim 2, characterized in that: the lantern rings are all airbag rings.
4. The fixing device for baby NMR detection according to claim 3, characterized in that: the fixing table comprises a fixing plate and an installation plate, and the head fixing part and the four-limb fixing part are both arranged on the installation plate; a gas storage cavity is arranged in the fixed plate, a sliding plate is vertically and slidably connected in the gas storage cavity, a spring is arranged between the bottom of the sliding plate and the bottom of the gas storage cavity, and a linkage rod is fixed between the top of the sliding plate and the bottom of the mounting plate; air ducts are communicated between the bottom of the air storage cavity and the lantern ring.
5. The fixing device for baby NMR detection according to claim 4, characterized in that: the driving piece comprises a push rod hinged to the upper part of the outer arc surface of the arc-shaped block and a sliding block hinged to one end, far away from the arc-shaped block, of the push rod, and the sliding block is transversely connected to the mounting plate in a sliding mode; still including setting up the driving tube in the mounting panel, the driving tube is the L type, and the both ends of driving tube are respectively towards fixed plate and slider, and the vertical pipe of driving tube and horizontal intraductal equal sliding connection have a piston, and it has the liquid of intercommunication to lie in between two pistons in the driving tube, all is fixed with the carriage release lever on the piston, and the carriage release lever in the horizontal pipe is fixed with the slider.
6. The fixing device for baby NMR detection according to claim 5, characterized in that: the fixing plate is also provided with a fixing piece.
7. The fixing device for baby NMR detection according to claim 6, characterized in that: the fixing piece comprises a plurality of suckers arranged at the bottom of the fixing plate, and through holes are formed in the parts, connected with the fixing plate, of the suckers; a negative pressure cavity is arranged in the fixed plate, a plurality of negative pressure holes with two ends respectively communicated with the negative pressure cavity and the through holes are arranged at the bottom of the fixed plate, and the number of the negative pressure holes is consistent with that of the through holes; a clapboard is arranged in the negative pressure cavity, a communicating hole is arranged on the clapboard, and an air guide valve is arranged in the communicating hole.
8. The fixing device for baby NMR detection according to claim 7, characterized in that: the air guide valve comprises a conical sleeve, a sealing ball and a stop block, wherein the conical sleeve, the sealing ball and the stop block can seal the conical sleeve are sequentially arranged from top to bottom; the sealing ball is provided with a magnetic balancing weight, and the bottom of the mounting plate is provided with a magnetic block which is mutually attracted with the magnetic balancing weight.
9. The fixing device for baby NMR detection according to claim 6, characterized in that: the fixing piece comprises two mounting blocks and two communicating pipes, the mounting blocks are respectively in threaded connection with two sides of the nuclear magnetic resonance equipment, the communicating pipes are respectively fixed on two sides of the fixing plate, each communicating pipe comprises two vertical pipes and two transverse pipes, the vertical pipes and the transverse pipes are arranged at intervals, and two ends of each communicating pipe are communicated with the outside; the vertical pipe communicated with the outside and the horizontal pipe communicated with the outside are both connected with movable plugs in a sliding way, communication liquid is injected between the two movable plugs in the communication pipe, and fixed blocks are fixed on the movable plugs; fixed block in the standpipe with outside intercommunication up, with the horizontal intraductal fixed block of outside intercommunication towards the installation piece, all be equipped with on the installation piece with fixed block complex fixed orifices.
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| CN202011336467.5A CN112450913B (en) | 2020-11-25 | 2020-11-25 | Fixing device for baby nuclear magnetic resonance detection |
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| CN202011336467.5A CN112450913B (en) | 2020-11-25 | 2020-11-25 | Fixing device for baby nuclear magnetic resonance detection |
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| CN210566664U (en) * | 2019-09-02 | 2020-05-19 | 天津鸿越建筑工程有限公司 | Supporting frame for pipeline laying |
| CN110711035A (en) * | 2019-11-24 | 2020-01-21 | 安徽创夫子科技有限公司 | Medical treatment instrument storage device for surgery |
| CN111202521A (en) * | 2020-04-08 | 2020-05-29 | 河南省中医院（河南中医药大学第二附属医院） | Fixing device for nuclear magnetic resonance examination |
| CN111776048A (en) * | 2020-07-14 | 2020-10-16 | 祝甜 | Children's shallow that can automatic protection children when slope |
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