CN214908595U - Universal fixing device for experimental rats and mice - Google Patents
Universal fixing device for experimental rats and mice Download PDFInfo
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- CN214908595U CN214908595U CN202121645013.6U CN202121645013U CN214908595U CN 214908595 U CN214908595 U CN 214908595U CN 202121645013 U CN202121645013 U CN 202121645013U CN 214908595 U CN214908595 U CN 214908595U
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Abstract
The utility model relates to the technical field of biological and medical experiment auxiliary equipment, and discloses a universal fixing device for experimental rats and mice, which comprises a rat and mouse fixing operation table, wherein the lower surface of the rat and mouse fixing operation table is fixedly connected with an angle-adjustable bracket base; the selection through mouse head fixed establishment and rat head fixed establishment uses the big or small mouse that makes different sizes can both be fixed, passes the round hole that solid fixed ring surface was seted up of flexible truck semi-encirclement through the four limbs with the rat to under the cooperation of four limbs fixed bolster, four limbs spacing ring buckle is used, make the foot of mouse also can be fixed, and reached easy operation and can carry out the effect of stabilizing the fixing to the big or small mouse of various sizes.
Description
Technical Field
The utility model relates to a biology and medical science experiment auxiliary assembly technical field specifically is general fixing device of experiment big mouse.
Background
Laboratory mouse fixing device is that the laboratory technician is used for fixing the mouse to carry out operations such as acupuncture experiment, tail vein injection, blood sampling, big mouse anatomy, intraperitoneal injection, electrode burial operation to the laboratory technician, the fixed mouse that can be stable is the important ring that the experiment can be safe, high-efficient, goes on smoothly.
Various improved mouse fixing devices are more in the market at present, but have certain limitations in different degrees, for example, more fixing device parts are complex to operate, so that mouse fixing steps are complicated, some simple mouse fixing devices only perform reinforcing operation through simple nuts and ropes, or perform wrapped pyramid-shaped fixing through cloth simple fixing devices, and the like, which influence the operation efficiency of experiments and the sanitation and safety of animal experiments in different degrees, and the existing mouse fixing device only has the functions of fixing the head and the tail of a mouse and does not have the function of effectively fixing the feet of the mouse, so that the fixing effect of the existing mouse fixing device is poor, the existing fixing device can only be independently applied to mice or rats, is suitable for mice with different body types, is complex to operate, and cannot move after the mouse is fixed by the existing mouse fixing device, the device can not be adjusted at multiple angles, and experimenters are inconvenient to carry out experiments.
Therefore, the universal fixing device for experimental rats and mice is needed to solve the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a universal fixing device for experimental rats and mice, which is simple to operate and can stably fix rats and mice with various body types; the angle can be adjusted, and the experiment can be performed by experimenters conveniently.
In order to realize the simple operation and can stably fix rats and mice with various body types; can realize the regulation of angle and the purpose that the experimenter of being convenient for more tested, the utility model provides a following technical scheme: general fixing device of experiment big mouse, including big mouse fixed operation platform, big mouse fixed operation platform's lower fixed surface is connected with adjustable angle support base, and one side of keeping away from adjustable angle support base of big mouse fixed operation platform is provided with the adjustable fixed establishment of big mouse head, and one side that big mouse fixed operation platform is close to the adjustable fixed establishment of big mouse head is provided with the adjustable fixed establishment of big mouse truck four limbs.
Preferably, but angle regulation support base includes base, angle regulation support, angle adjust knob, and the one end of angle regulation support is rotated and is connected in big mouse fixed operation platform's bottom, and the other end of angle regulation support is rotated and is connected with the base, and the one end setting of angle regulation support is central in the bottom of big mouse fixed operation platform, and the other end setting of angle regulation support is in the central authorities at base top, and the equal threaded connection in both ends of angle regulation support has angle adjust knob.
Preferably, the adjustable fixed establishment of big mouse head includes mouse head fixed establishment, rat head fixed establishment, mouse head fixed establishment and rat head fixed establishment set up the both ends at big mouse fixed operation platform upper surface respectively, mouse head fixed establishment mainly by the head stopper, adjustable head compact heap, the guide bar, adjusting screw constitutes, one side fixed connection of head stopper is in the one side that big mouse fixed operation platform kept away from adjustable angle support base, the opposite side fixedly connected with guide bar of head stopper, the upper surface of head stopper has been seted up down the arc recess.
Preferably, the adjustable head pressing block is connected to the outer portion of the guide rod in a sliding mode, one end of the guide rod penetrating through the adjustable head pressing block is fixedly connected to the top of the head limiting block, and the lower surface of the adjustable head pressing block is provided with an upper arc-shaped groove.
Preferably, one end of the adjusting screw is rotatably connected to the upper surface of the adjustable head pressing block, the other end of the adjusting screw is in threaded connection with one side, away from the rail, of the guide rod, the structure of the mouse head fixing mechanism is the same as that of the rat head fixing mechanism, the specification and the size of the mouse head fixing mechanism are different from those of the rat head fixing mechanism, and the specification and the size of the mouse head fixing mechanism are smaller than those of the rat head fixing mechanism.
Preferably, the adjustable fixed establishment of big mouse truck four limbs has four, and the adjustable fixed establishment of big mouse truck four limbs is the symmetric distribution with big mouse fixed operation platform central line, and the adjustable fixed establishment of big mouse truck four limbs includes the track, can lock slider, adjustable truck support, flexible truck semi-surround solid fixed ring, four limbs fixed bolster, latch closure installation piece, four limbs spacing latch closure, slider locking knob, and track fixed connection is in one side that adjustable angle support base was kept away from to the fixed operation platform of big mouse.
Preferably, but locking slider sliding connection is in orbital outside, but adjustable truck support sliding connection is at the upper surface of locking slider, flexible truck partly surrounds the one end of fixed ring fixed connection at adjustable truck support upper surface, four limbs fixed bolster fixed connection is at adjustable truck support upper surface, the round hole that solid fixed ring's surface was seted up is partly surrounded to flexible truck, flexible truck partly surrounds solid fixed ring, four limbs fixed bolster, the corresponding and specification phase-match in ring buckle installation piece three's position.
Preferably, one side setting of four limbs spacing latch closure is kept away from the one end of adjustable truck support at the latch closure installation piece, and the opposite side setting of four limbs spacing latch closure is kept away from the one end of adjustable truck support at four limbs fixed bolster, and slider locking knob threaded connection is in one side of lockable slider outer wall, and the draw-in groove has been seted up to four limbs fixed bolster's upper surface.
Compared with the prior art, the beneficial effects of the utility model are as follows.
1. This general fixing device of experiment size mouse, the selection through mouse head fixed establishment and rat head fixed establishment uses the big or small mouse that makes different sizes can both be fixed, make this fixing device's application scope wider, pass the round hole that solid fixed ring surface was seted up of flexible truck semi-encirclement through the four limbs with the rat, and at four limbs fixed bolster, the cooperation of four limbs spacing latch closure is used down, make the foot of mouse also can be fixed when fixing the mouse head, further make fixing device's fixed effect better, it is simpler also to make the operation simultaneously, and reached easy operation and can stabilize fixed effect to the size mouse of various sizes.
2. This general fixing device of experiment size mouse, use through angle regulation adjust knob and make big mouse fixed operation platform rotate under the cooperation of adjustable angle support, big mouse fixed operation platform rotates and drives rat head fixed establishment or mouse head fixed establishment to the top slope, make the mouse by this device fixed back, can also remove the mouse through this fixing device, and the multi-angle is adjusted, further make this fixing device be convenient for the experimenter more to going on of experiment, also make the operating efficiency of experiment obtain improving simultaneously, the health safety of animal experiment is ensured, and reached the regulation that can realize the angle and be convenient for the experimenter more and carry out the effect of experiment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the utility model discloses but angle regulation support base and big mouse fixed operation platform's position relation structural schematic.
Fig. 3 is a schematic view of the overall side view structure of fig. 2 according to the present invention.
Fig. 4 is the overlooking structure schematic diagram of the adjustable fixing mechanism for the head of the big mouse, the adjustable fixing mechanism for the body limbs of the big mouse and the small mouse and the fixed operation table of the big mouse.
Fig. 5 is a schematic view of the connection relationship of the adjustable fixing mechanism for the trunk and four limbs of the big and small mice of the utility model.
Fig. 6 is a schematic view of the connection structure of the mouse head fixing mechanism of the present invention.
In the figure: 1. an angle adjustable support base; 2. the head of the big mouse and the head of the small mouse can be adjusted and fixed by the fixing mechanism; 3. the four limbs of the trunk of the big mouse and the small mouse can adjust the fixing mechanism; 4. a base; 5. an angle-adjustable bracket; 6. an angle adjusting knob; 7. fixing the big mouse on an operation table; 8. a mouse head fixing mechanism; 9. a rat head fixing mechanism; 10. a track; 11. the sliding block can be locked; 12. an adjustable torso support; 13. the flexible trunk semi-surrounds the fixed ring; 14. a limb fixing bracket; 15. a buckle mounting block; 16. the four limbs limit ring is buckled; 17. the sliding block locks the knob; 18. a head stopper; 19. the head pressing block can be adjusted; 20. a guide bar; 21. and adjusting the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-6, a general fixing device for experimental rats and mice, comprising a rat fixing operation table 7, an angle-adjustable bracket base 1 fixedly connected to the lower surface of the rat fixing operation table 7, the angle-adjustable bracket base 1 comprises a base 4, an angle-adjustable bracket 5 and an angle adjusting knob 6, one end of the angle-adjustable bracket 5 is rotatably connected to the bottom of the rat fixing operation table 7, the other end of the angle-adjustable bracket 5 is rotatably connected to the base 4, one end of the angle-adjustable bracket 5 is arranged at the center of the bottom of the rat fixing operation table 7, the other end of the angle-adjustable bracket 5 is arranged at the center of the top of the base 4, and the two ends of the angle-adjustable bracket 5 are both in threaded connection with the angle adjusting knob 6.
One side of the big mouse fixed operation platform 7, which is far away from the angle-adjustable support base 1, is provided with a big mouse head adjustable fixing mechanism 2, the big mouse head adjustable fixing mechanism 2 comprises a mouse head fixing mechanism 8 and a rat head fixing mechanism 9, the mouse head fixing mechanism 8 and the rat head fixing mechanism 9 are respectively arranged at two ends of the upper surface of the big mouse fixed operation platform 7, the mouse head fixing mechanism 8 mainly comprises a head limiting block 18, an adjustable head pressing block 19, a guide rod 20 and an adjusting screw 21, one side of the head limiting block 18 is fixedly connected with one side of the big mouse fixed operation platform 7, which is far away from the angle-adjustable support base 1, the other side of the head limiting block 18 is fixedly connected with the guide rod 20, the upper surface of the head limiting block 18 is provided with a lower arc-shaped groove, the adjustable head pressing block 19 is slidably connected with the outer part of the guide rod 20, and the one end fixed connection that guide bar 20 runs through adjustable head compact heap 19 is at the top of head stopper 18, the upper arc recess has been seted up to adjustable head compact heap 19's lower surface, adjusting screw 21's one end is rotated and is connected the upper surface at adjustable head compact heap 19, adjusting screw 21's other end threaded connection is in one side that guide bar 20 kept away from track 10, mouse head fixed establishment 8 is the same with rat head fixed establishment 9's structure, mouse head fixed establishment 8 is different with the specification and size of rat head fixed establishment 9, and the specification and size of mouse head fixed establishment 8 is less than rat head fixed establishment 9.
The adjustable fixing mechanisms 3 of the trunk four limbs of the big mouse and the small mouse are arranged on one side of the big mouse fixing operation platform 7 close to the adjustable fixing mechanisms 2 of the head of the big mouse, the four adjustable fixing mechanisms 3 of the trunk four limbs of the big mouse and four limbs of the small mouse are symmetrically distributed along the central line of the big mouse fixing operation platform 7, the adjustable fixing mechanisms 3 of the trunk four limbs of the big mouse and the small mouse comprise a track 10, a lockable sliding block 11, an adjustable trunk support 12, a flexible trunk semi-surrounding fixing ring 13, a four limb fixing support 14, a ring buckle mounting block 15, a four limb limiting ring buckle 16 and a sliding block locking knob 17, the track 10 is fixedly connected to one side of the big mouse fixing operation platform 7 far away from the adjustable angle support base 1, the lockable sliding block 11 is connected to the outside of the track 10 in a sliding manner, the adjustable trunk support 12 is connected to the upper surface of the lockable sliding block 11 in a sliding manner, flexible truck partly surrounds the one end of solid fixed ring 13 fixed connection at adjustable truck support 12 upper surface, four limbs fixed bolster 14 fixed connection is at adjustable truck support 12 upper surface, the round hole that solid fixed ring 13's surface was seted up is partly surrounded to flexible truck, flexible truck partly surrounds solid fixed ring 13, four limbs fixed bolster 14, the corresponding and specification phase-match in position of ring buckle installation piece 15 three, the one side setting of four limbs spacing ring buckle 16 is in the one end that adjustable truck support 12 was kept away from to ring buckle installation piece 15, the opposite side setting of four limbs spacing ring buckle 16 is in the one end that adjustable truck support 12 was kept away from at four limbs fixed bolster 14, slider locking knob 17 threaded connection is in one side of locking slider 11 outer wall, the draw-in groove has been seted up to four limbs fixed bolster 14's upper surface.
The fixing device has the advantages that the big and small mice with different body types can be fixed by selectively using the mouse head fixing mechanism 8 and the rat head fixing mechanism 9, the application range of the fixing device is wider, the four limbs of the rat penetrate through the round holes formed in the outer surface of the flexible trunk semi-surrounding fixing ring 13, the feet of the rat can be fixed while the head of the rat is fixed under the matching use of the four limb fixing support 14 and the four limb limiting ring buckle 16, the fixing effect of the fixing device is further better, the operation is simpler, the effect of being simple in operation and capable of stably fixing the big and small mice with various body types is achieved, the big and small mouse fixing operation table 7 is rotated by adjusting the angle adjusting knob 6 under the matching use of the angle adjustable support 5, the big and small mouse fixing operation table 7 rotates to drive the rat head fixing mechanism 9 or the mouse head fixing mechanism 8 to incline upwards, make the mouse by this device fixed back, can also remove the mouse through this fixing device to carry out the multi-angle regulation, further make this fixing device be convenient for the experimenter more to the going on of experiment, also make the operating efficiency of experiment obtain improving simultaneously, the health safety of animal experiment obtains the guarantee, and reached the regulation that can realize the angle and be convenient for the experimenter more and carry out the effect of experiment.
The working principle is as follows: the experimenter first determines whether the subject is a rat or a mouse, and then selects to use the mouse head fixing mechanism 8 or the rat head fixing mechanism 9 by the body type of the mouse.
When the rat is used, an experimenter selects the rat head fixing mechanism 9, after a fixed object is determined, the experimenter enables the big and small rat fixing operation tables 7 to rotate by adjusting the angle adjusting knob 6 and using the angle adjustable bracket 5 in a matching way, the big and small rat fixing operation tables 7 rotate to drive the rat head fixing mechanism 9 to move, the rat head fixing mechanism 9 moves to an angle inclined upwards, then the experimenter makes the head of the rat close to the lower arc-shaped groove arranged on the upper surface of the head limiting block 18, and then the experimenter rotates the adjusting screw 21, the adjusting screw 21 rotates to drive the adjustable head pressing block 19 to slide outside the guide rod 20, the adjustable head pressing block 19 moves to enable an upper arc-shaped groove formed in the lower surface of the adjustable head pressing block 19 to be close to the back neck of a rat, and an experimenter selects proper force and size to fix the head of the rat;
an experimenter slides the lockable sliding block 11 according to the trunk length of a rat, and rotates the sliding block locking knob 17 to lock the sliding block locking knob 17, and the sliding block locking knob 17 is locked to fix the lockable sliding block 11; then, the experimenter adjusts the adjustable trunk support 12 according to the trunk width of the rat; the trunk of the rat is placed inside the four flexible trunk semi-surrounding fixing rings 13, and next, the limbs of the rat penetrate through round holes formed in the outer surfaces of the flexible trunk semi-surrounding fixing rings 13 and penetrate through the limb fixing supports 14 by experimenters; next step of experimenter pulling the four limbs limit buckle 16, pressing the four limbs limit buckle 16 above the four limbs of the rat, and clamping the four limbs limit buckle 16 inside the clamping groove of the four limbs fixing support 14, at this moment, completing the fixing operation of the rat.
When the mouse is used, an experimenter selects a mouse head fixing mechanism 8, after a fixed object is determined, the experimenter enables a big mouse fixing operation platform 7 to rotate under the matching use of an angle-adjustable support 5 through an angle-adjusting knob 6, the big mouse fixing operation platform 7 rotates to drive the mouse head fixing mechanism 8 to move, the mouse head fixing mechanism 8 moves to an upward inclined angle, then the experimenter enables the head of the mouse to be close to a lower arc-shaped groove formed in the upper surface of a head limiting block 18 in the mouse head fixing mechanism 8, the experimenter can use the adjustable head pressing block 19 and the guide rod 20 through the adjustment screw 21, the adjustable head pressing block 19 and the guide rod 20 in a matching way, and can select proper force and size to fix the head of the mouse;
the experiment personnel slide the lockable sliding block 11 according to the trunk length of the mouse, and similarly, the lockable sliding block 11 is fixed by rotating the sliding block locking knob 17; the adjustable trunk support 12 is adjusted according to the trunk width of the mouse; the trunk of the mouse is placed inside the four flexible trunk semi-surrounding fixing rings 13, and then the limbs of the mouse pass through round holes formed in the outer surfaces of the flexible trunk semi-surrounding fixing rings 13 and pass through the limb fixing supports 14 by an experimenter; next step of experimenter pulling the four limbs limit buckle 16, pressing the four limbs limit buckle 16 above the four limbs of the mouse, and clamping the four limbs limit buckle 16 inside the clamping groove of the four limbs fixing support 14, at this moment, completing the fixing operation of the mouse.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. General fixing device of experiment size mouse, including big mouse fixed operation platform (7), its characterized in that: the lower fixed surface of big mouse fixed operation platform (7) is connected with angle adjustable support base (1), and one side of keeping away from angle adjustable support base (1) of big mouse fixed operation platform (7) is provided with big mouse head adjustable fixing mechanism (2), and one side that big mouse fixed operation platform (7) are close to big mouse head adjustable fixing mechanism (2) is provided with big mouse truck four limbs adjustable fixing mechanism (3).
2. The universal experimental rat and mouse fixing device according to claim 1, wherein: but angle regulation support base (1) includes base (4), angle regulation support (5), angle adjust knob (6), the bottom of connection at big mouse fixed operation platform (7) is rotated to the one end of angle regulation support (5), the other end of angle regulation support (5) is rotated and is connected with base (4), the one end setting of angle regulation support (5) is in the bottom central authorities of big mouse fixed operation platform (7), the other end setting of angle regulation support (5) is at the central authorities at base (4) top, the equal threaded connection in both ends of angle regulation support (5) has angle adjust knob (6).
3. The universal experimental rat and mouse fixing device according to claim 1, wherein: big mouse head adjustable fixing mechanism (2) include mouse head fixed establishment (8), rat head fixed establishment (9), mouse head fixed establishment (8) and rat head fixed establishment (9) set up the both ends at big mouse fixed operation platform (7) upper surface respectively, mouse head fixed establishment (8) mainly by head stopper (18), adjustable head compact heap (19), guide bar (20), adjusting screw (21) are constituteed, one side fixed connection of head stopper (18) is in the one side that adjustable angle support base (1) was kept away from in big mouse fixed operation platform (7), the opposite side fixedly connected with guide bar (20) of head stopper (18).
4. The universal experimental rat and mouse fixing device according to claim 3, wherein: the adjustable head pressing block (19) is connected to the outer portion of the guide rod (20) in a sliding mode, and one end, penetrating through the adjustable head pressing block (19), of the guide rod (20) is fixedly connected to the top of the head limiting block (18).
5. The universal experimental rat and mouse fixing device according to claim 4, wherein: one end of the adjusting screw (21) is rotatably connected to the upper surface of the adjustable head pressing block (19), the other end of the adjusting screw (21) is in threaded connection with one side, away from the rail (10), of the guide rod (20), and the structure of the mouse head fixing mechanism (8) is the same as that of the rat head fixing mechanism (9).
6. The universal experimental rat and mouse fixing device according to claim 1, wherein: adjustable fixed establishment of big mouse truck four limbs (3) have four, and adjustable fixed establishment of big mouse truck four limbs (3) are the symmetric distribution with big mouse fixed operation platform (7) central line, adjustable fixed establishment of big mouse truck four limbs (3) are including track (10), can lock slider (11), adjustable truck support (12), flexible truck partly surrounds solid fixed ring (13), four limbs fixed bolster (14), latch closure installation piece (15), four limbs spacing latch closure (16), slider locking knob (17), track (10) fixed connection is in one side that adjustable angle support base (1) was kept away from in big mouse fixed operation platform (7).
7. The universal experimental rat and mouse fixing device as claimed in claim 6, wherein: lockable slider (11) sliding connection is in the outside of track (10), adjustable truck support (12) sliding connection is at the upper surface of lockable slider (11), flexible truck partly surrounds the one end of solid fixed ring (13) fixed connection at adjustable truck support (12) upper surface, four limbs fixed bolster (14) fixed connection is at adjustable truck support (12) upper surface, latch closure installation piece (15) fixed connection is at adjustable truck support (12) upper surface, the round hole that the surface of solid fixed ring (13) was seted up is partly surrounded to flexible truck.
8. The universal experimental rat and mouse fixing device as claimed in claim 6, wherein: one side of the four-limb limiting ring buckle (16) is arranged at one end, far away from the adjustable trunk support (12), of the ring buckle installation block (15), the other side of the four-limb limiting ring buckle (16) is arranged at one end, far away from the adjustable trunk support (12), of the four-limb fixing support (14), and the sliding block locking knob (17) is in threaded connection with one side of the outer wall of the lockable sliding block (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645013.6U CN214908595U (en) | 2021-07-20 | 2021-07-20 | Universal fixing device for experimental rats and mice |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645013.6U CN214908595U (en) | 2021-07-20 | 2021-07-20 | Universal fixing device for experimental rats and mice |
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| CN214908595U true CN214908595U (en) | 2021-11-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115153943A (en) * | 2022-07-11 | 2022-10-11 | 四川大学 | Mouse oral cavity experiment fixing device |
| WO2023108483A1 (en) * | 2021-12-15 | 2023-06-22 | 深圳先进技术研究院 | Rat jugular vein blood taking fixing device |
| CN116370135A (en) * | 2023-06-05 | 2023-07-04 | 中国人民解放军军事科学院军事医学研究院 | Instrument is constructed to bacterial meningitis experiment mouse |
-
2021
- 2021-07-20 CN CN202121645013.6U patent/CN214908595U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023108483A1 (en) * | 2021-12-15 | 2023-06-22 | 深圳先进技术研究院 | Rat jugular vein blood taking fixing device |
| CN115153943A (en) * | 2022-07-11 | 2022-10-11 | 四川大学 | Mouse oral cavity experiment fixing device |
| CN116370135A (en) * | 2023-06-05 | 2023-07-04 | 中国人民解放军军事科学院军事医学研究院 | Instrument is constructed to bacterial meningitis experiment mouse |
| CN116370135B (en) * | 2023-06-05 | 2023-09-19 | 中国人民解放军军事科学院军事医学研究院 | Instrument is constructed to bacterial meningitis experiment mouse |
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