CN219250521U

CN219250521U - Experimental mouse fixing device

Info

Publication number: CN219250521U
Application number: CN202223067748.2U
Authority: CN
Inventors: 岳丹霞; 杨蓉娅; 王聪敏; 夏志宽; 安俞熙; 谢宜彤; 葛格; 祁子煊; 刘鲁燕; 徐晓敏
Original assignee: 7th Medical Center of PLA General Hospital
Current assignee: 7th Medical Center of PLA General Hospital
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-06-27
Anticipated expiration: 2032-11-18

Abstract

The utility model provides an experimental mouse fixing device. The experimental mouse fixing device comprises: an operation panel; the trunk fixing mechanism is arranged on the operation plate and comprises a set of slidable fastening mechanisms, each slidable fastening mechanism comprises a first sliding groove, a sliding strip, a screw rod, a support and a fixer, one side of the operation plate is provided with the first sliding groove, the sliding strip is slidably mounted on one side of the operation plate and is slidably connected with the first sliding groove, the screw rod is threadedly mounted on the sliding strip, the screw rod extends to the upper portion of the operation plate, the support is slidably arranged on the top of the operation plate, the support is rotatably connected with the screw rod, and the fixer is fixedly mounted on the support. The experimental mouse fixing device provided by the utility model has the advantages of fixing mice of different sizes, being good in stability and preventing the mice from biting experimental staff.

Description

Experimental mouse fixing device

Technical Field

The utility model relates to the technical field of animal experiment tools, in particular to an experiment mouse fixing device.

Background

Animal experiments are a vital link in medical and pharmaceutical research, wherein mice are used as animal models most commonly, and the animal experiments are the first choice of animals due to the advantages of strong fertility, convenient feeding and the like. The experimental mice were derived from wild trails, which are the most widely used and studied mammalian experimental animals. Because the genes of mice have great similarity with the genes of human beings, mice are very important experimental objects in the medical field, and because in experiments, the mice in a non-anesthetized state are mostly used for observing clinical manifestations, for convenient operation, the influence of the mice is avoided, and people usually adopt a fixing device to fix the mice.

However, since the fixing device used at present cannot adjust the fixing position according to the body shape of the mouse, looseness is easily caused, and the mouse bites the test person.

Therefore, it is necessary to provide a new experimental mouse fixing device to solve the above technical problems.

Disclosure of Invention

The utility model solves the technical problem of providing the experimental mouse fixing device which can fix mice with different sizes, has better stability and prevents the mice from biting experimental staff.

In order to solve the technical problems, the experimental mouse fixing device provided by the utility model comprises: an operation panel; the trunk fixing mechanism is arranged on the operation plate and comprises a group of slidable fastening mechanisms, the slidable fastening mechanisms comprise first sliding grooves, sliding strips, screw rods, supports and retainers, the first sliding grooves are formed in one side of the operation plate, the sliding strips are slidably arranged on one side of the operation plate and are slidably connected with the first sliding grooves, the screw rods are threadedly arranged on the sliding strips, the screw rods extend to the upper side of the operation plate, the supports are slidably arranged on the top of the operation plate, the supports are rotatably connected with the screw rods, and the retainers are fixedly arranged on the supports; the head fixing mechanism is arranged on the operation plate; and the tail control mechanism is arranged on the operation plate.

Preferably, the head fixing mechanism comprises a fixing box, fixing bolts, two springs, two positioning sliding grooves and a pressing plate, wherein the fixing box is fixedly installed at the top of the operation plate, the fixing bolts are installed at the top of the fixing box in a threaded mode, the springs are symmetrically and fixedly installed on the inner wall of the bottom of the fixing box, the positioning sliding grooves are symmetrically formed in the inner walls of the two sides of the fixing box, the pressing plate is slidably installed in the two positioning sliding grooves, the pressing plate is fixedly connected with the two springs at the top ends, and the top of the pressing plate is in contact with the bottom of the fixing bolts.

Preferably, two second sliding grooves are formed in the top of the operation plate, the same sealing cover is slidably installed in the two second sliding grooves, and the sealing cover is located outside the fixing box.

Preferably, the tail control mechanism comprises a third sliding groove, a sliding block and a semicircular ring, wherein the third sliding groove is formed in the top of the operation plate, the sliding block is slidably mounted in the third sliding groove, and the semicircular ring is fixedly mounted at the top of the sliding block.

Preferably, a plurality of magic subsides are fixedly installed on the operation panel, the magic subsides divide into the rough surface subsides and thorn face subsides, the area that the rough surface subsides is greater than thorn face subsides, the rough surface subsides with the top fixed connection of operation panel, the rough surface subsides with thorn face subsides are mutual bonding.

Preferably, the inner cavities of the first chute, the second chute and the third chute are all T-shaped, the bracket is L-shaped, and the fixer is C-shaped.

Compared with the related art, the experimental mouse fixing device provided by the utility model has the following beneficial effects:

the utility model provides an experimental mouse fixing device, which comprises: the two first sliding grooves can enable the two sliding strips to move for position adjustment through the operation plate serving as the fixing main body, a fixed point is found according to the size of the mouse body, and the two brackets are pushed by the twisting screw rods to respectively drive the two fixing devices to be closed, so that the trunk of the mouse is stably fixed;

the pressing plate is downwards pressed along the two positioning sliding grooves through the downward movement of the fixing bolts of the head fixing mechanism, the head of the mouse is blocked, the head of the mouse is prevented from twisting in the experiment, the integral fixing effect is influenced, and the pressing plate is reset through the two springs after the experiment is finished, so that the method is simple, convenient and quick;

through two second spouts back-and-forth movement enclosure, shelter from the mouse head completely, avoid because in the experimentation both distances are too near, the mouse stings the experimenter, it is spacing to the tail of mouse through the semicircle ring, then reciprocate through the slider, control the tail extension length of mouse, paste the thorn face that pastes through tearing a plurality of magic and put the hair face with the four limbs of mouse and paste, then paste the four limbs of mouse fixed respectively with the bonding that the hair face pasted through thorn face, fixed mode is simple convenient, firm degree is higher.

Drawings

FIG. 1 is a schematic top view of a preferred embodiment of the experimental mouse fixing device according to the present utility model;

FIG. 2 is a schematic view of the cross-sectional structure A-A shown in FIG. 1;

FIG. 3 is a schematic view showing a sectional structure B-B shown in FIG. 1;

FIG. 4 is a schematic view of the cross-sectional C-C structure shown in FIG. 1;

fig. 5 is a schematic view of the sectional structure D-D shown in fig. 1.

Reference numerals in the drawings: 1. an operation panel; 2. a first chute; 3. a slide bar; 4. a screw; 5. a bracket; 6. a holder; 7. a fixed box; 8. a fixing bolt; 9. a spring; 10. positioning a chute; 11. a pressing plate; 12. a second chute; 13. a closure; 14. a third chute; 15. a slide block; 16. a semicircular ring; 17. a magic tape.

Detailed Description

The utility model will be further described with reference to the drawings and embodiments.

Referring to fig. 1-5 in combination, fig. 1 is a schematic top view of a preferred embodiment of the experimental mouse fixing device according to the present utility model; FIG. 2 is a schematic view of the cross-sectional structure A-A shown in FIG. 1; FIG. 3 is a schematic view showing a sectional structure B-B shown in FIG. 1; FIG. 4 is a schematic view of the cross-sectional C-C structure shown in FIG. 1; fig. 5 is a schematic view of the sectional structure D-D shown in fig. 1. The experimental mouse fixing device includes: an operation panel 1; the trunk fixing mechanism is arranged on the operation plate 1 and comprises a group of slidable fastening mechanisms, the slidable fastening mechanisms comprise a first sliding chute 2, a sliding strip 3, a screw 4, a bracket 5 and a fixer 6, the first sliding chute 2 is arranged on one side of the operation plate 1, the sliding strip 3 is slidably arranged on one side of the operation plate 1 and is slidably connected with the first sliding chute 2, the screw 4 is threadedly arranged on the sliding strip 3, the screw 4 extends to the upper side of the operation plate 1, the bracket 5 is slidably arranged at the top of the operation plate 1, the bracket 5 is rotatably connected with the screw 4, and the fixer 6 is fixedly arranged on the bracket 5; a head fixing mechanism provided on the operation panel 1; the tail control mechanism is arranged on the operation board 1, the operation board 1 is used as a fixing main body, the two first sliding grooves 2 can enable the two sliding strips 3 to move for position adjustment, fixing points are found according to the size of a mouse body, the two brackets 5 are pushed by the twisting screw 4 to respectively drive the two fixing devices 6 to be closed, and therefore the mouse trunk is stably fixed.

The head fixing mechanism comprises a fixing box 7, fixing bolts 8, two springs 9, two positioning sliding grooves 10 and a pressing plate 11, wherein the fixing box 7 is fixedly installed at the top of the operation plate 1, the fixing bolts 8 are installed at the top of the fixing box 7 in a threaded mode, the springs 9 are symmetrically and fixedly installed on the inner wall of the bottom of the fixing box 7, the positioning sliding grooves 10 are symmetrically arranged on the inner walls of the two sides of the fixing box 7, the pressing plate 11 is slidably installed in the two positioning sliding grooves 10, the pressing plate 11 is fixedly connected with the top ends of the springs 9, the top of the pressing plate 11 is in contact with the bottom ends of the fixing bolts 8, the pressing plate 11 is downwards pressed along the two positioning sliding grooves 10 through the downward movement of the head fixing mechanism, the head of a mouse is blocked, the head of the mouse is prevented from twisting in an experiment, the whole fixing effect is influenced, and the pressing plate 11 is reset through the two springs 9 after the experiment is ended.

Two second spouts 12 have been seted up at the top of operation panel 1, two second spout 12 slidable mounting has same enclosure 13, enclosure 13 is located outside the fixed box 7, through the removal enclosure 13 around two second spouts 12, shelter from the mouse head completely, avoid because in the experimentation both distance is too near, the mouse stings experimenter.

The tail control mechanism comprises a third sliding groove 14, a sliding block 15 and a semicircular ring 16, wherein the third sliding groove 14 is formed in the top of the operation plate 1, the sliding block 15 is slidably mounted in the third sliding groove 14, and the semicircular ring 16 is fixedly mounted on the top of the sliding block 15.

The utility model discloses a mouse is characterized in that a plurality of magic subsides 17 are fixedly installed on the operation board 1, the magic subsides 17 divide into the rough surface subsides and thorn face subsides, the area that the rough surface subsides is greater than thorn face subsides, the rough surface subsides with the top fixed connection of operation board 1, the rough surface subsides with thorn face subsides are bonding each other, carry out spacingly through semicircle ring 16 to the tail of mouse, then reciprocate through slider 15, control the tail length of stretching out of mouse.

The inner cavities of the first chute 2, the second chute 12 and the third chute 14 are all T-shaped, the bracket 5 is L-shaped, the fixer 6 is C-shaped, the inner cavities of the first chute 2, the second chute 12 and the third chute 14 are all T-shaped, the falling of the chutes is prevented, and the main body of the mouse is fixed through the C-shaped fixer 6 and is attached to the main body of the mouse.

It should be noted that, in the present utility model, the circuits, electronic components and modules are all related to the prior art, and those skilled in the art may implement the present utility model completely, and it is needless to say that the protection of the present utility model does not relate to improvement of software and methods.

The working principle of the experimental mouse fixing device provided by the utility model is as follows:

when the mouse fixing device is used, firstly, the operation board 1 is placed on a plane, then, the two sliding strips 3 are respectively moved through the two first sliding grooves 2, the fixing positions of the fixing devices 6 can be adjusted according to the size of the mouse body, the fixing devices 6 fix the middle parts of the trunk of the mouse, then, the two brackets 5 are pushed by the twisting screw 4 to respectively drive the two fixing devices 6 to be closed, so that the trunk of the mouse is stably fixed, then, the head of the mouse is placed into the fixing box 7, the pressing plate 11 is downwards pressed along the two positioning sliding grooves 10 through the twisting fixing bolts 8, the head of the mouse is blocked, the head of the mouse is prevented from twisting in an experiment, the whole fixing effect is influenced, then, the closing cover 13 is moved back and forth through the two second sliding grooves 12, the head of the mouse is completely blocked, and the phenomenon that the mouse bites experimenters due to too close distance between the two brackets in the experiment process is avoided;

then pass semicircle ring 16 with the mouse tail, spacing to the tail of mouse, according to the experiment requirement, reciprocate through slider 15, control the tail of mouse, in certain experiments, the demand is inconsistent, stretch out the different problem of length requirement to the mouse tail, paste through tearing thorn face that a plurality of magic subsides 17 at last, put the hair face with the four limbs of mouse and paste on, then paste the four limbs of mouse with the bonding that the hair face pasted through thorn face and fix respectively, fixed mode is simple convenient, firm degree is higher.

the utility model provides an experimental mouse fixing device, which is characterized in that an operation plate 1 is used as a fixing main body, two first sliding grooves 2 can enable two sliding strips 3 to move for position adjustment, fixing points are found according to the size of a mouse body, two brackets 5 are pushed by a twisting screw 4 to respectively drive two fixing devices 6 to be closed, so that the trunk of the mouse is stably fixed, a pressing plate 11 is downwards pressed along two positioning sliding grooves 10 through downwards movement of a fixing bolt 8 of a head fixing mechanism to clamp the head of the mouse, the head of the mouse is prevented from twisting in an experiment, the whole fixing effect is affected, the pressing plate 11 is reset through two springs 9 after the experiment is finished, the head of the mouse is completely shielded through moving a sealing cover 13 back and forth through two second sliding grooves 12, the situation that the distance between the two sliding grooves is too short in the experiment process, the tail of the mouse bites an experimenter is avoided, the tail of the mouse is limited through a semi-circular ring 16, the tail extension length of the mouse is controlled through up and down movement of a sliding block 15, the mouse is placed on a hair surface through tearing through thorn surface of a plurality of magic tapes 17, and then the four limbs are fixed in a simple and fast manner through the thorn surface and adhesion and the four limbs are fixed respectively.

The device structure and the drawings of the present utility model mainly describe the principle of the present utility model, and in terms of the technology of the design principle, the arrangement of the power mechanism, the power supply system, the control system, etc. of the device is not completely described, but the specific details of the power mechanism, the power supply system, and the control system thereof can be clearly known on the premise that those skilled in the art understand the principle of the present utility model.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An experimental mouse fixing device, comprising:

an operation panel;

the trunk fixing mechanism is arranged on the operation plate and comprises a group of slidable fastening mechanisms, the slidable fastening mechanisms comprise first sliding grooves, sliding strips, screw rods, supports and retainers, the first sliding grooves are formed in one side of the operation plate, the sliding strips are slidably arranged on one side of the operation plate and are slidably connected with the first sliding grooves, the screw rods are threadedly arranged on the sliding strips, the screw rods extend to the upper side of the operation plate, the supports are slidably arranged on the top of the operation plate, the supports are rotatably connected with the screw rods, and the retainers are fixedly arranged on the supports;

the head fixing mechanism is arranged on the operation plate;

and the tail control mechanism is arranged on the operation plate.

2. The experimental mouse fixing device according to claim 1, wherein the head fixing mechanism comprises a fixing box, fixing bolts, two springs, two positioning sliding grooves and a pressing plate, the fixing box is fixedly installed at the top of the operation plate, the fixing bolts are installed at the top of the fixing box in a threaded mode, the two springs are symmetrically and fixedly installed on the inner bottom wall of the fixing box, the two positioning sliding grooves are symmetrically formed in the inner side walls of the fixing box, the pressing plate is slidably installed in the two positioning sliding grooves, the pressing plate is fixedly connected with the top ends of the two springs, and the top of the pressing plate is in contact with the bottom end of the fixing bolts.

3. The experimental mouse fixing device according to claim 2, wherein two second sliding grooves are formed in the top of the operation plate, the same sealing cover is slidably installed in the two second sliding grooves, and the sealing cover is located outside the fixing box.

4. The laboratory mouse fixing device of claim 3, wherein the tail control mechanism comprises a third chute, a slide block and a semicircular ring, the third chute is arranged at the top of the operation plate, the slide block is slidably mounted in the third chute, and the semicircular ring is fixedly mounted at the top of the slide block.

5. The experimental mouse fixing device according to claim 1, wherein a plurality of magic tapes are fixedly installed on the operation panel, the magic tapes are divided into a matt surface patch and a thorn surface patch, the area of the matt surface patch is larger than that of the thorn surface patch, the matt surface patch is fixedly connected with the top of the operation panel, and the matt surface patch and the thorn surface patch are adhered to each other.

6. The laboratory mouse fixing device of claim 4, wherein the inner cavities of the first chute, the second chute and the third chute are all T-shaped, the bracket is L-shaped, and the holder is C-shaped.