CN223529569U - A body immobilization device for a rat brain stereotaxic instrument - Google Patents
A body immobilization device for a rat brain stereotaxic instrumentInfo
- Publication number
- CN223529569U CN223529569U CN202421899281.4U CN202421899281U CN223529569U CN 223529569 U CN223529569 U CN 223529569U CN 202421899281 U CN202421899281 U CN 202421899281U CN 223529569 U CN223529569 U CN 223529569U
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- fixedly connected
- rat brain
- top end
- fixing
- fixing device
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Abstract
The application discloses a body fixing device of a rat brain stereotactic instrument, which relates to the technical field of animal experiments and comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a fixing frame, the top end of the fixing frame is rotationally connected with a fixing mechanism, the fixing mechanism comprises a motor, the top end of the fixing frame is fixedly connected with two fixing blocks, the two fixing blocks are jointly rotated and sleeved with a long rod, the two ends of the two long rods are fixedly connected with first gears, the outer surfaces of the two first gears are respectively and fixedly connected with a second gear, the opposite ends of the two second gears are jointly and fixedly connected with a connecting rod, the output end of the motor is fixedly connected with one of the second gears, the outer surface of the long rod is fixedly connected with a cover plate, and the bottom end of the cover plate and the top end of the fixing frame are respectively provided with a fixing groove.
Description
Technical Field
The application relates to the technical field of animal experiments, in particular to a body fixing device of a rat brain stereotactic instrument.
Background
The experimental rat brain stereotactic technology is widely applied to the accurate localization of brain damage, stimulation and electroencephalogram recording, and becomes an indispensable tool for researching brain structure and function. The rat brain stereotactic technique mainly uses a brain stereotactic instrument as a locating instrument, and utilizes marks (such as bregma, external auditory canal, orbit, sagittal suture and the like) outside certain skull bones or a three-dimensional coordinate system defined by other reference points to determine the position of certain nerve nuclear structures under the cortex so as to carry out research on directional stimulation, destruction, medicine injection, guiding potential and the like under non-direct vision exposure, thus the rat brain stereotactic instrument body fixing device is urgently needed in the market.
The technical scheme that the rat brain three-dimensional positioning and setting device comprises a clamping rod, a cross beam, a push-pull device, a first positioning needle and a second positioning needle is disclosed in the technology, one end part of the clamping rod is fixedly connected to the top surface of the cross beam, the push-pull device is sleeved on the outer side of the cross beam and slides relatively along the cross beam, the first positioning needle and the second positioning needle are arranged on the bottom surface of the cross beam side by side, the first positioning needle is fixedly arranged on the cross beam, the second positioning needle is fixedly arranged on the push-pull device, the second positioning needle slides relatively with the first positioning needle under the driving of the push-pull device, and the like is capable of well solving the problems existing in the prior art, and also capable of accurately measuring the technical effects of front-back fontanel spacing and the like.
With respect to the above related art, the inventor considers that the existing rat brain stereotactic apparatus body fixing device is mostly fixed only by two ear rods, but the fixing by the ear rods may not completely limit the fine movement of the rat, especially in some experiments requiring high-precision operation, the accuracy of positioning may be affected, and secondly, the existing apparatus is mostly unable to adapt to rats with various sizes, therefore, in the experimental process, if the fixing device needs to be frequently replaced to adapt to rats with different sizes, a great deal of time and effort are consumed, and the overall efficiency of the experiment is reduced.
With respect to the related art as described above, the inventors have recognized that there is a need for a rat brain stereotactic body fixture for solving the above-described problems.
Disclosure of utility model
The application aims to provide a body fixing device of a rat brain stereotactic instrument, which aims to solve the problems of influencing the positioning accuracy and reducing the overall efficiency of experiments.
The application provides a body fixing device of a rat brain stereotactic instrument, which adopts the following technical scheme:
The utility model provides a three-dimensional locater health fixing device of rat brain, includes the bottom plate, the top fixedly connected with mount of bottom plate, the top of mount rotates and is connected with fixed establishment, the lower inner wall sliding connection of mount has elevating system, fixed establishment includes the motor, the top fixedly connected with two fixed blocks of mount, two the jointly rotate of fixed block has cup jointed the stock, two the equal fixedly connected with first gear in both ends of stock, two the equal meshing of the surface of first gear is connected with the second gear, two the relative one end of second gear is fixedly connected with connecting rod jointly, motor output and one of them second gear fixedly connected with, the surface fixedly connected with apron of stock, the fixed slot has all been seted up on the bottom of apron and the top of mount, and two fixed slots are mirror image distribution, can make through two fixed slots cooperation fixed rat.
Through adopting above-mentioned technical scheme, when the fixed rat of needs, firstly put the rat in the fixed slot of lower part, later turn on the motor, the motor can drive the second gear rotation, the second gear can drive the connecting rod rotation, the connecting rod can drive another second gear rotation, two second gears can drive two first gears rotation respectively, two first gears can drive the stock rotation, the stock can drive the fixed slot on the apron and cover the rat completely for four circular slots on the apron can fix the four limbs of rat, later carry out the experiment can.
Optionally, elevating system includes the cylinder, rectangular channel has been seted up to the bottom of mount, the output fixedly connected with slide of cylinder, the bottom of slide and the top sliding connection of bottom plate, the top sliding connection of slide has the slider, the top of slider runs through the upper inner wall of rectangular channel and extends to one of them fixed slot in, the one end fixedly connected with hot plate that the slider is located one of them fixed slot, and the hot plate is used for maintaining the body temperature of rat.
Through adopting above-mentioned technical scheme, when the rat that needs the experiment reminds slightly hour, at first opens the cylinder, and the cylinder can drive the slide and remove, and under the effect of elongated slot and spacing, the slide can drive the slider and rise, and the slider can drive the hot plate and rise, when rising to suitable position, close the cylinder can, later through fixed mechanism fixed rat can.
Optionally, two limiting grooves are formed in both ends of the fixing frame and the cover plate, the size of each limiting groove is the same as that of each eight limiting grooves, and a penetrating experimental groove is formed in the top end of the cover plate.
By adopting the technical scheme, eight limiting grooves are used for fixing the limbs of the rat, and the experimental groove is used for the experiments of the brain of the rat.
Optionally, the bottom fixedly connected with backup pad of motor, the one end of backup pad and the one end fixed connection of mount.
Through adopting above-mentioned technical scheme for support and fixed motor for can be more stable when the motor operation.
Optionally, the inner surfaces of the two fixing grooves and the eight limiting grooves are fixedly provided with soft cushions.
By adopting the technical scheme, the rat can be prevented from being injured due to struggling when being fixed.
Optionally, the bottom of cylinder and the top fixed connection of bottom plate are located rectangular channel.
Through adopting above-mentioned technical scheme, can effectually fix the cylinder for can be more steady when the cylinder operates.
Optionally, the elongated slot has been seted up on the top of slide, the top fixedly connected with of slider cooperates the spacing that the spacing groove used.
By adopting the technical scheme, the damage to the device caused by the fact that the sliding block moves to be separated from the motion track can be effectively avoided.
Optionally, the outer surface of the heating plate is slidably connected with the inner surface of the lower fixing groove.
Through adopting above-mentioned technical scheme, can make the hot plate can be more steady when going up and down.
In summary, the present application includes at least one of the following beneficial technical effects:
1. According to the application, by arranging the fixing mechanism, under the action that the motor drives the cover plate to rotate and the action of matching with the four circular grooves, the device can limit the movement of the rat, so that the positioning accuracy can be effectively improved.
2. According to the application, by arranging the lifting mechanism, under the action that the air cylinder drives the heating plate to lift, the device can adapt to rats with different sizes, so that the time of the whole experiment process is reduced, and the experiment efficiency is effectively improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present application.
FIG. 2 is a schematic illustration of the present application the section of the fixing frame is schematically shown.
FIG. 3 is a schematic view of a slider of the present application.
Fig. 4 is a schematic view of a cover plate of the present application.
In the figure, 1, a bottom plate, 2, a fixing frame, 3, a cover plate, 4, a lifting mechanism, 5, a fixing mechanism, 6, a limit groove, 11, a long groove, 12, a heating plate, 13, a rectangular groove, 14, an experiment groove, 15, a first gear, 16, a motor, 17, a support plate, 18, a connecting rod, 19, a cylinder, 20, a second gear, 21, a slideway, 22, a sliding block, 23, a fixing block, 31, a limit bar, 32, a fixing groove, 33, a long rod, 34 and a soft cushion.
Detailed Description
The present application will be described in further detail with reference to fig. 1 to 4.
Examples
The utility model provides a rat brain stereotactic appearance health fixing device, includes bottom plate 1, and the upper portion of bottom plate 1 is provided with mount 2, is provided with fixed establishment 5 and elevating system 4 in the mount 2.
The fixing mechanism 5 comprises a motor 16, two first gears 15, two second gears 20 and two fixing blocks 23, a supporting plate 17 is arranged at the lower part of the motor 16, one side of the supporting plate 17 is connected with one side of the fixing frame 2, the output end of the motor 16 is fixedly connected with one of the second gears 20, a connecting rod 18 is arranged on the opposite side of the two second gears 20, the connecting rod 18 is rotatably sleeved with the inside of the fixing frame 2, a long rod 33 is arranged on the opposite side of the two first gears 15, the outer part of the long rod 33 is rotatably sleeved with the two fixing blocks 23, two sides of the long rod 33 are respectively connected with the two first gears 15, and the two first gears 15 are respectively meshed with the two second gears 20.
One side of stock 33 is provided with apron 3, and fixed slot 32 has all been opened to the lower part of apron 3 and the upper portion of mount 2 for fixed rat, two spacing groove 6 have all been opened at the both ends of apron 3 and the both ends of mount 2, and the size of four limbs for fixed rat, eight spacing groove 6 are the same, and the upper portion of apron 3 is opened there is run-through experimental groove 14, and the inside of two fixed slots 32 and eight spacing groove 6 all is provided with cushion 34, can effectively avoid struggling and injuring because the rat.
The lifting mechanism 4 comprises an air cylinder 19, a rectangular groove 13 is formed in the lower portion of the fixing frame 2, the air cylinder 19 is located in the rectangular groove 13 and is connected with the upper portion of the bottom plate 1, a slide way 21 is slidably connected to the upper portion of the bottom plate 1, a sliding block 22 is arranged on the upper portion of the slide way 21, a long groove 11 is formed in the upper portion of the slide way 21, a limit bar 31 is arranged on the lower portion of the sliding block 22, the slide way 21 and the sliding block 22 are slidably connected under the action of the long groove 11 and the limit groove 6, and the output end of the air cylinder 19 is fixedly connected with one side of the slide way 21.
The upper portion of the slider 22 penetrates through the rectangular groove 13 and extends into one of the fixing grooves 32, the heating plate 12 is arranged at one end of the slider 22 located in the fixing groove 32, and the heating plate 12 is slidably connected with one of the fixing grooves 32.
When a rat needs to be fixed, the rat is firstly placed in the fixing groove 32 at the lower part, then the motor 16 is started, the motor 16 can drive the second gear 20 to rotate, the second gear 20 can drive the connecting rod 18 to rotate, the connecting rod 18 can drive the other second gear 20 to rotate, the two second gears 20 can respectively drive the two first gears 15 to rotate, the two first gears 15 can drive the long rod 33 to rotate, the long rod 33 can drive the fixing groove 32 on the cover plate 3 to completely cover the rat, the four round grooves on the cover plate 3 can fix the limbs of the rat, and then experiments are carried out.
When the rat body size to be tested is slightly smaller, firstly, the air cylinder 19 is started, the air cylinder 19 can drive the slide way 21 to move, under the action of the long groove 11 and the limiting strip 31, the slide way 21 can drive the slide block 22 to ascend, the slide block 22 can drive the heating plate 12 to ascend, when the rat body size to be tested ascends to a proper position, the air cylinder 19 is closed, and then the rat is fixed through the fixing mechanism 5.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application, wherein like reference numerals are used to refer to like elements throughout. Therefore, all equivalent changes according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.
Claims (8)
1. The body fixing device of the rat brain stereotactic instrument comprises a bottom plate (1) and is characterized in that the top end of the bottom plate (1) is fixedly connected with a fixing frame (2), the top end of the fixing frame (2) is rotationally connected with a fixing mechanism (5), and the lower inner wall of the fixing frame (2) is slidably connected with a lifting mechanism (4);
the utility model provides a fixed establishment (5) is including motor (16), the top fixedly connected with two fixed blocks (23) of mount (2), two the joint rotation of fixed block (23) has cup jointed stock (33), two equal fixedly connected with first gear (15) in both ends of stock (33), two the surface of first gear (15) is all meshed and is connected with second gear (20), two the relative one end of second gear (20) is fixedly connected with connecting rod (18) jointly, motor (16) output and one of them second gear (20) fixed connection, the surface fixedly connected with apron (3) of stock (33), fixed slot (32) have all been seted up on the bottom of apron (3) and the top of mount (2).
2. The body fixing device of the rat brain stereotactic instrument according to claim 1, wherein the lifting mechanism (4) comprises an air cylinder (19), a rectangular groove (13) is formed in the bottom end of the fixing frame (2), a slide way (21) is fixedly connected to the output end of the air cylinder (19), the bottom end of the slide way (21) is slidably connected with the top end of the bottom plate (1), a slide block (22) is slidably connected to the top end of the slide way (21), the top end of the slide block (22) penetrates through the upper inner wall of the rectangular groove (13) and extends into one of the fixing grooves (32), and a heating plate (12) is fixedly connected to one end of the slide block (22) located in one of the fixing grooves (32).
3. The body fixing device of the rat brain stereotactic instrument of claim 1, wherein two limit grooves (6) are formed in two ends of the fixing frame (2) and the cover plate (3), the size of the eight limit grooves (6) is the same, and a penetrating experimental groove (14) is formed in the top end of the cover plate (3).
4. The body fixing device of the rat brain stereotactic instrument according to claim 1, wherein the bottom end of the motor (16) is fixedly connected with a supporting plate (17), and one end of the supporting plate (17) is fixedly connected with one end of the fixing frame (2).
5. The body fixing device for the rat brain stereotactic instrument according to claim 1, wherein the inner surfaces of the two fixing grooves (32) and the eight limiting grooves (6) are fixedly provided with soft cushions (34).
6. The body fixing device of the rat brain stereotactic instrument according to claim 2, wherein the bottom end of the air cylinder (19) is fixedly connected with the top end of the bottom plate (1) and is positioned in the rectangular groove (13).
7. The body fixing device of the rat brain stereotactic instrument according to claim 2, wherein the top end of the slideway (21) is provided with a long groove (11), and the top end of the sliding block (22) is fixedly connected with a limit strip (31) matched with the limit groove (6).
8. A body fixing device for a rat brain stereotactic apparatus as claimed in claim 2, wherein said outer surface of said heating plate (12) is slidably connected to the inner surface of said lower fixing groove (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421899281.4U CN223529569U (en) | 2024-08-07 | 2024-08-07 | A body immobilization device for a rat brain stereotaxic instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421899281.4U CN223529569U (en) | 2024-08-07 | 2024-08-07 | A body immobilization device for a rat brain stereotaxic instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223529569U true CN223529569U (en) | 2025-11-11 |
Family
ID=97571580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421899281.4U Active CN223529569U (en) | 2024-08-07 | 2024-08-07 | A body immobilization device for a rat brain stereotaxic instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223529569U (en) |
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2024
- 2024-08-07 CN CN202421899281.4U patent/CN223529569U/en active Active
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