CN112617795B - Experimental bed body applied to animal MRI experiment - Google Patents
Experimental bed body applied to animal MRI experiment Download PDFInfo
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- CN112617795B CN112617795B CN202011401806.3A CN202011401806A CN112617795B CN 112617795 B CN112617795 B CN 112617795B CN 202011401806 A CN202011401806 A CN 202011401806A CN 112617795 B CN112617795 B CN 112617795B
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- 241001465754 Metazoa Species 0.000 title claims abstract description 64
- 238000002474 experimental method Methods 0.000 title claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims description 4
- 208000002173 dizziness Diseases 0.000 abstract 1
- 230000035807 sensation Effects 0.000 abstract 1
- 238000002595 magnetic resonance imaging Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000037213 diet Effects 0.000 description 3
- 235000005911 diet Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 2
- 210000001175 cerebrospinal fluid Anatomy 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000004872 soft tissue Anatomy 0.000 description 2
- 210000000278 spinal cord Anatomy 0.000 description 2
- 210000001519 tissue Anatomy 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000012307 MRI technique Methods 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
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- 230000006378 damage Effects 0.000 description 1
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- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
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- 229910052739 hydrogen Inorganic materials 0.000 description 1
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- 230000008676 import Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013421 nuclear magnetic resonance imaging Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D3/00—Appliances for supporting or fettering animals for operative purposes
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
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- Engineering & Computer Science (AREA)
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- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
Abstract
The invention discloses an experimental bed body applied to animal MRI experiments, which relates to the technical field of experimental articles. This structure is convenient for fix the animal that will be inconvenient for lying and standing to be convenient for fix the animal of size broad, make whole when fixed different kinds of animals, have better fixed adaptability, have better stability when making the propulsion, in order to avoid making the animal produce dizzy sensation when removing, reduce the influence to the experiment.
Description
Technical Field
The invention relates to the technical field of experimental articles, in particular to an experimental bed body applied to animal MRI experiments.
Background
The magnetic resonance imaging technique can obtain tomographic images in any direction, and is almost suitable for different diseases of various systems of the whole body. Magnetic resonance imaging has a high soft tissue resolution and can sensitively detect changes in the proton content of tissue elements. The nuclei most commonly used in magnetic resonance were hydrogen nuclear protons (1H) at the beginning of the birth of this technique called nuclear magnetic resonance imaging, because of its strongest signal, and also are widely present in human tissues. Another feature of nuclear magnetic resonance is that flowing liquids do not produce a signal called flow effect or flow blank effect. The blood vessel is thus an off-white tubular structure, while the blood is a black, signal-free color. This allows the vessel to be easily separated from the soft tissue. Around the normal spinal cord there is cerebrospinal fluid surrounding, the cerebrospinal fluid is black, and white dura mater is set off by fat, so that the spinal cord shows a white strong signal structure MRI (Magnetic Resonance Imaging), i.e. magnetic resonance imaging. The electromagnetic signal is obtained from the organism by utilizing the magnetic resonance phenomenon, and the organism information is reconstructed. Through years of development, a set of method for spatially encoding nuclear magnetic resonance signals is formed, the method can reconstruct organism images, and experimental detection can be carried out only on small eastern animals.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide an experimental bed body applied to animal MRI experiments, which has the advantages of fixing and adjusting according to animal body types or characteristics and better stability during propelling movement.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides an be applied to experimental bed body of animal MRI experiment, includes the side shield, interior spout has been seted up to the medial surface of side shield, and constitutes fixed connection between the side shield of interior spout, the inboard of interior spout is connected with the front side shield, and constitutes sliding structure between front side shield and the interior spout, be provided with side case end shell under the side shield, the inboard of side case end shell is provided with the removal end, the downside of removal end is provided with the end that holds in the bottom, the outside that holds in the bottom is fixed with the base end.
As a further scheme of the invention: the sliding structure is formed between the side box end shell and the movable end, the pedal table is arranged at the rear end fixed with the base end, the base end is fixedly connected with the pedal table, and the side guard plates are symmetrical about the vertical central line of the movable end.
As a further scheme of the invention: the inside of side case end shell is fixed with the slide bar, and is welded connection between slide bar and the side case end shell, the inboard of slide bar is provided with the threaded rod, and constitutes revolution mechanic between threaded rod and the side case end shell, the right side end of threaded rod is provided with promotes the end plate, and promotes to be threaded connection between end plate and the threaded rod, the right side end of threaded rod is fixed with the drive wheel, and is welded connection between drive wheel and the threaded rod.
As a further scheme of the invention: the right side end of drive wheel is settled there is driving motor, and constitutes revolution mechanic between driving motor and the drive wheel, the inboard of inside groove is provided with the fixed arm, and constitutes sliding construction between fixed arm and the inside groove, the upper surface front side of end is held to the bottom is provided with the removal groove, and the removal groove runs through in the upper surface of end is held to the bottom, the inboard of removal groove is provided with fixed subsides ring, and fixed subsides ring and the enough sliding construction between the removal groove.
As a further scheme of the invention: the sliding structure is formed between the movable end and the bottom fixing end, a neck pillow is fixed on the upper surface of the left end of the movable end, the movable end is fixedly connected with the neck pillow, upward moving grooves are formed in the front side surface and the rear side surface of the movable end, and the movable end is fixedly connected with the upward moving grooves.
As a further scheme of the invention: the movable end is characterized in that a groove filling lug is arranged right below the movable end and is matched with the external dimension of the inner groove, sliding rods are connected to the top ends of the front side and the rear side of the groove filling lug, the groove filling lug is in welded connection with the sliding rods, a hydraulic rod is arranged at the bottom end of the groove filling lug, the groove filling lug is in threaded connection with the hydraulic rod, and a sliding base is fixedly connected to the bottom end of the hydraulic rod.
As a further scheme of the invention: the utility model discloses a sliding bottom plate, including sliding bottom plate, displacement bottom plate, arc slide, fixed end and fixed end, the displacement bottom plate is provided with the displacement bottom plate under, and closely laminate between sliding bottom plate and the displacement bottom plate, the upper surface of displacement bottom plate is provided with the wheel groove that agrees with, and agrees with and constitute sliding structure between wheel groove and the sliding bottom plate, the intermediate position of displacement bottom plate is fixed with the arc slide, and is welded connection between displacement bottom plate and the arc slide to the bottom of displacement bottom plate and fixed end is welded connection, and the whole bottom surface of arc slide is the arc simultaneously.
As a further scheme of the invention: the rear side fixedly connected with clamp fixing plate of fixed arm, and be fixed connection between fixed arm and the clamp fixing plate, the spring has been settled to clamp fixing plate's left side end, and is welded connection between clamp fixing plate and the spring, the left side of spring is provided with the elastic rod, and is fixed connection between elastic rod and the spring, the protection end inboard of clamp fixing plate is connected with rotatory vaulting pole, and constitutes revolution mechanic between clamp fixing plate and the rotatory vaulting pole, be fixed connection between rotatory vaulting pole and the upset handle.
As a further scheme of the invention: the right ends of the front side and the rear side of the movable end are provided with upward moving grooves, the upper surface of the movable end is provided with an inner groove, and the inner side surface of the side box end shell is provided with a groove body.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention, through the inner chute of the side guard plate inner side, slide the front side guard plate to the underside bottom surface and move the end to contact, draw the animal to the pedal stage, make it move to move the end along the pedal stage upwards, at this moment, make the animal lie on one's side, through moving the fixed ring of the fixed ring in the moving slot of the end of moving, adjust the position, uncover the fixed ring, fix animal's shank, and make animal's head contact with neck pillow, the fixed mode is convenient to adapt to the animal of different sizes to fix in order to carry on the experimental detection;
2. according to the invention, the hydraulic rod on the top surface of the sliding base is used for controlling the upper groove filling convex block to move downwards, so that the upper surface of the moving end partially sags to form an inner groove, an animal is pulled to move above the moving end, the animal leg is placed into the inner groove, then the structure of the hydraulic rod is contracted, in the lifting process, the sliding rod on the groove filling convex block and the upper groove on the side surface of the moving end slide, after the sliding rod falls to the moving height, the overturning handle is pushed, the inner side component connected with the overturning handle slides inwards and is exposed from the inner groove, the rotating support rod is driven to rotate by rotating the inner groove, the rotating support rod supports the clamping plate, so that the fixing arm is gradually opened, the clamping plate moves the extrusion spring and the elastic rod, the leg is moved to the inner side of the fixing arm, and then the overturning handle is loosened, so that the animal inconvenient to be laid down can be fixed, and the animal with a wider body can be fixed, and the whole animal fixing device has good fixing adaptability when different kinds of animals are fixed;
3. according to the invention, the driving motor in the end shell of the side box drives the driving wheel to rotate, the threaded rod is driven to rotate, meanwhile, the threaded rod is meshed with threads, so that the pushing end plate moves along with the rotation of the threaded rod, the rear inner side end of the pushing end plate is connected with the end plate closing blocks on the front side and the rear side of the moving end, the moving end is pushed to move forwards by pushing the sliding of the end plate on the sliding rod, and when the moving end moves forwards, the groove filling convex block drives the displacement bottom plate of the bottom sliding base on the base end to be matched with the engaged wheel groove and the arc sliding bar and move forwards.
Drawings
FIG. 1 is a schematic view of a front perspective structure of the present invention;
FIG. 2 is a schematic diagram of the side tank end shell structure of the present invention;
FIG. 3 is a schematic view of a mobile end cut-away structure of the present invention;
FIG. 4 is a schematic view of the internal perspective structure of the present invention;
fig. 5 is a schematic view of a fixed arm driving structure of the present invention.
In the figure: 1. a side guard plate; 2. an inner chute; 3. a front side baffle; 4. a side case end shell; 5. a moving end; 6. an inner tank; 7. a bottom fixing end; 8. a pedal; 9. a base end; 10. a slide bar; 11. a threaded rod; 12. pushing the end plate; 13. a driving motor; 14. a driving wheel; 15. a fixed arm; 16. neck pillow; 17. a moving groove; 18. fixing the sticking ring; 19. closing end plates; 20. a groove is moved upwards; 21. filling the groove convex blocks; 22. a slide bar; 23. a hydraulic rod; 24. a sliding base; 25. a displacement bottom plate; 26. fitting the wheel groove; 27. an arc-shaped sliding bar; 28. a clamping plate; 29. a spring; 30. an elastic rod; 31. rotating the stay bar; 32. and (5) turning over the handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, in the embodiment of the invention, an experimental bed body applied to animal MRI experiments comprises a side guard 1, an inner chute 2 is formed on the inner side surface of the side guard 1, the inner chute 2 and the side guard 1 form a fixed connection, a front side baffle 3 is connected on the inner side of the inner chute 2, a sliding structure is formed between the front side baffle 3 and the inner chute 2, a side box end shell 4 is arranged under the side guard 1, a movable end 5 is arranged on the inner side of the side box end shell 4, a bottom fixing end 7 is arranged on the lower side of the movable end 5, and a base end 9 is fixed on the outer side of the bottom fixing end 7.
In fig. 1, a sliding structure is formed between a side case end shell 4 and a movable end 5, a pedal table 8 is arranged at the rear end fixed with a base end 9, the base end 9 and the pedal table 8 are fixedly connected, and the side guard 1 is symmetrical about the vertical center line of the movable end 5.
In some embodiments, the pedal table 8 is provided with a shielding plate, the thickness of the shielding plate is greater than a preset thickness value, one end of the shielding plate is rotatably connected with a first fixed shaft at the root of the pedal 8, and the other end of the shielding plate is connected with the pedal 8 through a connecting piece, for example, the connecting piece can be a component with locking function such as a pull ring, a connecting buckle and the like; the shielding plate is used for sealing the entrance when the animal to be tested enters the inner space of the experimental bed body, so that the animal is prevented from escaping to cause experimental failure.
Further, one surface of the shielding plate, which faces the inner space of the experimental bed body, is provided with at least two connecting pipes, the connecting pipes rotate along a second fixed axis to the inner space of the experimental bed body, the second fixed axis is parallel to the first fixed axis, and the first fixed axis is parallel to the first fixed axis and is arranged along the width direction of the experimental bed body; each connecting pipe is a telescopic pipe, and a sub pipe parallel to the second fixed shaft is arranged on each connecting pipe; the sub-tubes are placed in the connection along the length of the connection tube when not in use; when the sub-pipe is used, the sub-pipe can rotate for 90 degrees and extend out to be perpendicular to the connecting pipe, one end of the sub-pipe is connected with the connecting pipe, the other end of the sub-pipe is connected with the connecting hole on the side guard plate 1, and a plurality of connecting holes of the side guard plate 1 are formed; can play and prevent that the animal from escaping and leading to the experiment to fail, and according to the volume size adjustment of animal the length of connecting pipe plays the effect of fixed animal.
Further, the preset thickness value refers to a thickness greater than the diameter of the connecting pipe.
Further, the connecting pipe is a hollow pipe, one end of the connecting pipe is communicated with the outside, and the other end of the connecting pipe is communicated with a diet groove in the inner space of the experimental bed body, wherein the diet groove is arranged in the inner space; can be to inside import diet or other food, on the one hand be convenient for animal feeding guarantees animal's survival and is convenient for animal's experiment for a long time, on the other hand also be convenient for carry out the experiment of feeding medicine to animal, prevent dangerous animal injury people.
In fig. 2, a slide bar 10 is fixed inside the side case end shell 4, and a welded connection is formed between the slide bar 10 and the side case end shell 4, a threaded rod 11 is arranged inside the slide bar 10, a rotating structure is formed between the threaded rod 11 and the side case end shell 4, a pushing end plate 12 is arranged at the right side end of the threaded rod 11, the pushing end plate 12 is in threaded connection with the threaded rod 11, a driving wheel 14 is fixed at the right end of the threaded rod 11, and the welded connection is formed between the driving wheel 14 and the threaded rod 11, so that the pushing assembly is driven.
In fig. 2, a driving motor 13 is disposed at the right side end of a driving wheel 14, a rotating structure is formed between the driving motor 13 and the driving wheel 14, a fixed arm 15 is disposed at the inner side of an inner groove 6, a sliding structure is formed between the fixed arm 15 and the inner groove 6, a moving groove 17 is disposed at the front side of the upper surface of a bottom fixing end 7, the moving groove 17 penetrates through the upper surface of the bottom fixing end 7, a fixed attachment ring 18 is disposed at the inner side of the moving groove 17, and a sliding structure is formed between the fixed attachment ring 18 and the moving groove 17, so that stable pushing movement is ensured.
In fig. 3, a sliding structure is formed between the moving end 5 and the bottom fixing end 7, a neck pillow 16 is fixed on the upper surface of the left end of the moving end 5, the moving end 5 and the neck pillow 16 are fixedly connected, upward moving grooves 20 are respectively formed on the front side and the rear side of the moving end 5, and the moving end 5 and the upward moving grooves 20 are fixedly connected, so that animals with different sizes can be conveniently fixed.
In fig. 4, a groove filling bump 21 is disposed under the moving end 5, the groove filling bump 21 is matched with the external dimension of the inner groove 6, the top ends of the front side and the rear side of the groove filling bump 21 are both connected with a sliding rod 22, the groove filling bump 21 is welded with the sliding rod 22, the bottom end of the groove filling bump 21 is provided with a hydraulic rod 23, the groove filling bump 21 is in threaded connection with the hydraulic rod 23, and the bottom end of the hydraulic rod 23 is fixedly connected with a sliding base 24.
In 4, be provided with displacement bottom plate 25 under the slide base 24, and closely laminate between slide base 24 and the displacement bottom plate 25, the upper surface of displacement bottom plate 25 is provided with and agrees with the wheel groove 26, and agrees with and constitutes sliding structure between wheel groove 26 and the slide base 24, the intermediate position of displacement bottom plate 25 is fixed with arc draw runner 27, and be welded connection between displacement bottom plate 25 and the arc draw runner 27, and the bottom of displacement bottom plate 25 and bottom solid end 7 is welded connection, the whole bottom surface of arc draw runner 27 is the arc simultaneously, guarantee bottom stability.
In fig. 5, a clamping plate 28 is fixedly connected to the rear side of a fixing arm 15, the fixing arm 15 is fixedly connected with the clamping plate 28, a spring 29 is arranged at the left side end of the clamping plate 28, the clamping plate 28 is welded with the spring 29, an elastic rod 30 is arranged at the left side of the spring 29, the elastic rod 30 is fixedly connected with the spring 29, a rotary supporting rod 31 is connected to the inner side of the protecting end of the clamping plate 28, a rotating structure is formed between the clamping plate 28 and the rotary supporting rod 31, the rotary supporting rod 31 is fixedly connected with a turnover handle 32, and animal legs are fixed.
In fig. 2, the right ends of the front and rear sides of the moving end 5 are provided with upward moving grooves 20, the upper surface of the moving end 5 is provided with an inner groove 6, and the inner side surface of the side case end shell 4 is provided with a groove body.
The application method of the experimental bed body applied to the animal MRI experiment comprises the following steps:
s1, equipment is installed, firstly, the equipment is placed at a designated position of a front region of magnetic resonance equipment, and then a base end 9, a bottom fixing end 7, a displacement bottom plate 25, a sliding base 24, a slot filling lug 21, a moving end 5, a side box end shell 4, a pedal table 8 and a front side baffle 3 are installed in sequence, so that the upper part and the lower part are fixed through the rotary connection of nuts and threaded holes;
s2, preparing, namely adjusting the bed body equipment according to the characteristics of animal body types before use, so as to adjust the fixed position and select the fixed mode according to the animal body types, putting down the front baffle 3 along the inner chute 2 after adjustment, moving the movable end 5 to the rightmost end until the movable end cannot move, and pulling the turnover handle 32 by hand to enable the fixed arm 15 and components thereof to be contained inside and enable the groove filling convex block 21 to rise to be flush with the surface of the movable end 5;
s3, the animal is pulled to move to the position above the moving end 5 along the pedal 8, the fixing position of the animal with different sizes can be changed through sliding of the clamping plate 28 on the arc-shaped sliding strip 27, so that the head of the animal can be positioned at the neck pillow 16 while lying on the side, and the animal with inconvenience of lying down or large size can be fixed with the legs of the animal through the lowered height in the inner groove 6 at the moving end 5;
and S4, after the animal is fixed, the front baffle plate 3 slides along the inner chute 2, then moves leftwards through the moving end 5 to extend to the designated position of the magnetic resonance equipment, and after the detection is finished, the fixing is canceled by the steps.
The working principle of the invention is as follows: firstly, the front side baffle 3 is slid to the lower bottom surface through the inner chute 2 on the inner side of the side guard 1 to contact with the movable end 5, an animal is pulled to the pedal 8, the animal is moved upwards to the movable end 5 along the pedal 8, at the moment, the animal is laterally laid, the fixed attachment ring 18 in the movable groove 17 is moved at the movable end 5, the position is adjusted, the fixed attachment ring 18 is uncovered, the legs of the animal are fixed, the head of the animal is contacted with the neck pillow 16, the upper end filling groove convex block 21 is controlled to move downwards through the hydraulic rod 23 on the top surface of the sliding base 24, the upper surface part of the movable end 5 is sunken to form the inner groove 6, the animal is pulled to move above the movable end 5, the legs of the animal are placed in the inner groove 6, then the structure of the hydraulic rod 23 is contracted, the sliding rod 22 on the filling groove convex block 21 slides with the upper moving groove 20 on the side of the movable end 5 in the lifting process, after the movable height is reached, the overturning handle 32 is pushed to enable the inner side component connected with the overturning handle 32 to slide inwards and expose from the inner groove 6, the rotary supporting rod 31 is driven to rotate by rotating the inner groove 6, the rotary supporting rod 31 supports the clamping plate 28 to enable the fixed arms 15 to be gradually opened, at the moment, the clamping plate 28 moves the extrusion spring 29 and the elastic rod 30, legs are moved to the inner side of the fixed arms 15, then the overturning handle 32 is loosened, the driving motor 13 in the side box end shell 4 drives the driving wheel 14 to rotate, the threaded rod 11 is driven to rotate, the threaded rod 11 rotates, meanwhile, the pushing end plate 12 moves along with the rotation of the threaded rod 11 through the engagement between threads, the inner side end of the back of the pushing end plate 12 is connected with the end plate closing blocks 19 on the front side and the back side of the moving end 5, the moving end 5 is pushed to move on the bottom fixing end 7 through the sliding of the pushing end plate 12 on the sliding rod 10, when the movable end 5 moves forwards, the groove filling convex block 21 drives the displacement bottom plate 25 of the bottom sliding base 24 on the base end 9 to be engaged with the engaging wheel groove 26 and the arc-shaped sliding bar 27 and move forwards.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. Be applied to experimental bed body of big size animal MRI experiment, including side guard plate (1), its characterized in that: an inner sliding groove (2) is formed in the inner side surface of the side guard plate (1), the inner sliding groove (2) is fixedly connected with the side guard plate (1), a front side guard plate (3) is connected to the inner side of the inner sliding groove (2), a sliding structure is formed between the front side guard plate (3) and the inner sliding groove (2), a side box end shell (4) is arranged right below the side guard plate (1), a movable end (5) is arranged on the inner side of the side box end shell (4), a bottom fixing end (7) is arranged on the lower side of the movable end (5), and a base end (9) is fixed on the outer side of the bottom fixing end (7); a sliding structure is formed between the side box end shell (4) and the movable end (5), a pedal table (8) is arranged at the rear end fixed with a base end (9), the base end (9) is fixedly connected with the pedal table (8), and the side guard plate (1) is symmetrical about the vertical central line of the movable end (5); the inside of the side box end shell (4) is fixedly provided with a sliding rod (10), the sliding rod (10) is in welded connection with the side box end shell (4), the inner side of the sliding rod (10) is provided with a threaded rod (11), a rotating structure is formed between the threaded rod (11) and the side box end shell (4), the right side end of the threaded rod (11) is provided with a pushing end plate (12), the pushing end plate (12) is in threaded connection with the threaded rod (11), the right end of the threaded rod (11) is fixedly provided with a driving wheel (14), and the driving wheel (14) is in welded connection with the threaded rod (11); the right side end of the driving wheel (14) is provided with a driving motor (13), a rotating structure is formed between the driving motor (13) and the driving wheel (14), the inner side of the inner groove (6) is provided with a fixed arm (15), a sliding structure is formed between the fixed arm (15) and the inner groove (6), the front side of the upper surface of the bottom fixing end (7) is provided with a movable groove (17), the movable groove (17) penetrates through the upper surface of the bottom fixing end (7), the inner side of the movable groove (17) is provided with a fixed attaching ring (18), and the sliding structure between the fixed attaching ring (18) and the movable groove (17) is realized; a sliding structure is formed between the movable end (5) and the bottom fixing end (7), a neck pillow (16) is fixed on the upper surface of the left end of the movable end (5), the movable end (5) is fixedly connected with the neck pillow (16), upper moving grooves (20) are formed in the front side and the rear side of the movable end (5), and the movable end (5) is fixedly connected with the upper moving grooves (20); a groove filling convex block (21) is arranged right below the moving end (5), the groove filling convex block (21) is matched with the external dimension of the inner groove (6), sliding rods (22) are connected to the top ends of the front side and the rear side of the groove filling convex block (21), the groove filling convex block (21) is in welded connection with the sliding rods (22), a hydraulic rod (23) is arranged at the bottom end of the groove filling convex block (21), the groove filling convex block (21) is in threaded connection with the hydraulic rod (23), and a sliding base (24) is fixedly connected to the bottom end of the hydraulic rod (23);
the experimental bed body comprises the following steps when in use:
s1, equipment is installed, firstly, the equipment is placed at a designated position of a front region of magnetic resonance equipment, and then a base end 9, a bottom fixing end 7, a displacement bottom plate 25, a sliding base 24, a slot filling lug 21, a moving end 5, a side box end shell 4, a pedal table 8 and a front side baffle 3 are installed in sequence, so that the upper part and the lower part are fixed through the rotary connection of nuts and threaded holes;
s2, preparing, namely adjusting the bed body equipment according to the characteristics of animal body types before use, so as to adjust the fixed position and select the fixed mode according to the animal body types, putting down the front baffle 3 along the inner chute 2 after adjustment, moving the movable end 5 to the rightmost end until the movable end cannot move, and pulling the turnover handle 32 by hand to enable the fixed arm 15 and components thereof to be contained inside and enable the groove filling convex block 21 to rise to be flush with the surface of the movable end 5;
s3, the animal is pulled to move to the position above the moving end 5 along the pedal 8, the fixing position of the animal with different sizes can be changed through sliding of the clamping plate 28 on the arc-shaped sliding strip 27, so that the head of the animal can be positioned at the neck pillow 16 while lying on the side, and the animal with inconvenience of lying down or large size can be fixed with the legs of the animal through the lowered height in the inner groove 6 at the moving end 5;
and S4, after the animal is fixed, the front baffle plate 3 slides along the inner chute 2, then moves leftwards through the moving end 5 to extend to the designated position of the magnetic resonance equipment, and after the detection is finished, the fixing is canceled by the steps.
2. The experimental bed body applied to large animal MRI experiments according to claim 1, characterized in that a displacement bottom plate (25) is arranged under the sliding base (24), the sliding base (24) is tightly attached to the displacement bottom plate (25), a fitting wheel groove (26) is arranged on the upper surface of the displacement bottom plate (25), a sliding structure is formed between the fitting wheel groove (26) and the sliding base (24), an arc-shaped sliding bar (27) is fixed in the middle position of the displacement bottom plate (25), the displacement bottom plate (25) is in welded connection with the arc-shaped sliding bar (27), the bottom ends of the displacement bottom plate (25) and the bottom fixing end (7) are in welded connection, and meanwhile, the whole bottom surface of the arc-shaped sliding bar (27) is arc-shaped.
3. The experimental bed body applied to large animal MRI experiments according to claim 1, characterized in that, the rear side of the fixed arm (15) is fixedly connected with a clamping plate (28), the fixed arm (15) is fixedly connected with the clamping plate (28), a spring (29) is arranged at the left side end of the clamping plate (28), the clamping plate (28) is welded with the spring (29), an elastic rod (30) is arranged at the left side of the spring (29), the elastic rod (30) is fixedly connected with the spring (29), a rotary supporting rod (31) is connected at the inner side of the protecting end of the clamping plate (28), a rotating structure is formed between the clamping plate (28) and the rotary supporting rod (31), and the rotary supporting rod (31) is fixedly connected with a turnover handle (32).
4. The experimental bed body applied to the large animal MRI experiment according to claim 1, wherein the right ends of the front and rear sides of the moving end (5) are provided with upward moving grooves (20), the upper surface of the moving end (5) is provided with an inner groove (6), and the inner side surface of the side case end shell (4) is provided with a groove body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011401806.3A CN112617795B (en) | 2020-12-04 | 2020-12-04 | Experimental bed body applied to animal MRI experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011401806.3A CN112617795B (en) | 2020-12-04 | 2020-12-04 | Experimental bed body applied to animal MRI experiment |
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