CN217908071U

CN217908071U - Fixing device for mouse experiments

Info

Publication number: CN217908071U
Application number: CN202221131934.5U
Authority: CN
Inventors: 夏峰
Original assignee: Kangda College Of Nanjing Medical University
Current assignee: Kangda College Of Nanjing Medical University
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-11-29
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a fixing device for mouse experiments, including bottom support, operation platform and fixing device, the operation platform activity is fixed and can overturn on the support of bottom, open at the operation platform middle part has the slit. The fixing device is used for fixing a mouse on the operation platform, after the mouse is fixed, the back of the mouse can be injected, the operation platform is turned over, and the belly of the mouse can be injected through the slit on the back of the operation platform.

Description

Fixing device for mouse experiments

Technical Field

The invention belongs to the technical field of animal medical experiments, and particularly relates to a fixing device for a mouse experiment.

Background

In basic medical experiments, a large number of experimental mice are needed to perform various physiological, pharmacological and pathophysiological experiments, and the operations such as gastric lavage, intraperitoneal injection, intramuscular injection and the like are involved. Before carrying out above-mentioned operation, the laboratory technician at first need fix the mouse, and the tradition mode is to utilize laboratory technician's hand to grab and fix the mouse, but because the mouse is very nimble and have certain aggressivity, and laboratory technician also has fear psychology usually, consequently can often be hurt by the tooth that the mouse is sharp and claw, brings the difficulty for the operation. The mouse fixer in the market at present has certain limitations in different degrees, such as complex structure and complicated operation, or only can operate the tail of the mouse after fixing the mouse, but can not carry out intraperitoneal injection and intramuscular injection.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fixing device for mouse experiments can solve present medical experiment, and the experimenter need be for the problem of the inconvenient fixed mouse of mouse internal injection, can also solve the inconvenient problem of giving mouse abdominal cavity injection and back intramuscular injection of mouse fixing device on the present market.

Realize the utility model discloses the technical scheme of purpose is: the utility model provides a fixing device for mouse experiments, includes bottom support, operation platform and fixing device, operation platform activity is fixed on the bottom support and can overturn, the operation platform middle part is opened there is the slit. The fixing device is used for fixing a mouse on the operation platform, after the mouse is fixed, the back of the mouse can be injected, the operation platform is turned over, and the belly of the mouse can be injected through the slit on the back of the operation platform.

The fixing device is an elastic fixing net, one end of the elastic fixing net is fixed on one side of the operating platform, and the other end of the elastic fixing net is movably fixed on the other side of the operating platform. Fixing device adopts the fixed net material of elasticity, and is fixed comparatively soft to the mouse, and difficult injury mouse, the elasticity is adjustable moreover, and the convenience is injected the back of mouse in addition.

The elastic fixing net is provided with a nylon hook belt, the bottom of the operating platform is provided with a nylon velvet belt corresponding to the nylon hook belt, and the elastic fixing net is movably fixed on the operating platform through the nylon hook belt and the nylon velvet belt, so that the elastic fixing net is more convenient to fix and is easy to adjust the tightness degree of the elastic fixing net.

The operating platform is provided with limiting holes positioned at two sides of the slit, and adjusting baffles are correspondingly arranged with the limiting holes. Because the mouse climbs on the operating platform, if the abdomen of the mouse is not opposite to the slit, the mouse cannot be accurately aligned to the abdomen of the mouse for injection, and the mouse can be limited at the slit by using the adjusting baffle plate, so that the mouse can be conveniently injected to the abdomen of the mouse.

Two tail baffles are arranged at one end of the operating platform, a gap is reserved between the tail baffles, and the gap is aligned with the slit. When the mouse is fixed on the operating platform, the tail of the mouse can be caught through the gap between the adjusting baffles so as not to be bitten by the mouse. The gap between the tail baffles is aligned with the slit, so that the injection of the mouse to the abdomen after the mouse is fixed is not influenced.

The operation platform is obliquely fixed on the bottom support, the bottom support is of a structure that vertical side plates are arranged at two ends of a bottom plate, the side plates are different in height, grooves are formed in the upper end faces of the side plates, and connecting rods corresponding to the grooves are fixed at two ends of the operation platform and used for being connected with the bottom support. Operation platform's connecting rod is connected at ditch inslot on, operation platform this moment also can the high one end of one end low, the tail of grabbing the mouse is in the high one end of operation platform, the mouse can be natural to operation platform low one end crawls, is located the viscera of the mouse on the operation platform moves toward the head naturally to do not hinder mouse abdominal cavity viscera when carrying out the intraperitoneal injection operation.

One groove is semicircular, the other groove is square, and the corresponding connecting rods are circular and square respectively. When the operation platform is turned over, the square connecting rod can be lifted, the circular connecting rod rotates in the semicircular groove, and the square connecting rod is placed into the corresponding square groove after being turned over.

The operating platform on both sides of the slit is provided with grains, so that the creeping friction of the mouse is increased, the mouse keeps the creeping motion forward all the time, and the experiment personnel are prevented from being bitten by the back of the mouse.

By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) The mouse fixing device is simple in structure, and solves the problems that a mouse is inconvenient to fix in a laboratory and a device for fixing the mouse on the market is too complex; (2) Can be injected into the back of a mouse and the abdomen of the mouse, and has small possibility of injuring internal organs when injected into the abdomen of the mouse.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which

FIG. 1 is a schematic view of the fixing device for a middle mouse experiment of the present invention;

fig. 2 is a schematic view of the bottom structure of the operation platform of the fixing device for a middle mouse experiment of the present invention;

FIG. 3 is a schematic view of the bottom bracket structure of the fixing device for middle mouse experiments of the present invention;

fig. 4 is the utility model discloses well mouse is fixing device's for experiments removal baffle sketch map.

The reference numbers in the drawings are:

1. the device comprises a bottom support, 2, an operation platform, 3, an elastic fixing net, 4, a semicircular groove, 5, a square groove, 6, a circular connecting rod, 7 and a square connecting rod; 8. a slit; 9. adjusting baffle plates 10, lines 11, limiting holes 12, tail baffle plates 13, nylon hook belts 14, nylon velvet belts 15, bottom plates 16 and side plates.

Detailed Description

Example (b):

as shown in fig. 1, the embodiment provides a fixing device for a mouse experiment, which includes a bottom bracket 1, an operating platform 2 and a fixing device, wherein the operating platform 2 is movably fixed on the bottom bracket 1 and can be turned over, and a slit 8 is formed in the middle of the operating platform 2. The fixing device is used for fixing a mouse on the operation platform 2, after the mouse is fixed, the mouse can be injected to the back of the mouse, the operation platform 2 is turned over, and the mouse can be injected to the belly of the mouse through the slit 8 on the back of the operation platform 2.

As shown in fig. 1 and 2, the fixing device is an elastic fixing net 3, one end of the elastic fixing net 3 is fixed on one side of the operation platform 2, and the other end of the elastic fixing net 3 is movably fixed on the other side of the operation platform 2. Fixing device adopts the 3 materials of elastic fixation net, and is fixed comparatively softly to the mouselet, is difficult for injuring the mouselet, and the elasticity is adjustable moreover, and is convenient in addition to the back injection of mouse. One side is equipped with nylon hook area 13 on the elasticity fixing net 3, operation platform 2 opposite side be equipped with nylon velvet belt 14 that nylon hook area 13 corresponds, elasticity fixing net 3 passes through nylon hook area 13 with nylon velvet belt 14 activity is fixed on operation platform 2, such structure makes fixed more convenient, and easily adjusts the elasticity degree of elasticity fixing net 3. Besides the connection structure of the nylon hook belt 13, other fixing methods such as hook ring fixing, rope fastening fixing and the like can be adopted.

As shown in fig. 1 and 4, the operation platform 2 is provided with limiting holes 11 located at two sides of the slit 8, and the adjusting baffle 9 is installed corresponding to the limiting holes 11. Since the mouse climbs on the operation platform 2 and cannot be accurately aligned with the abdomen of the mouse for injection if the abdomen is not opposite to the slit 8, the mouse can be limited at the slit 8 by using the adjusting baffle plate 9, and the injection to the abdomen of the mouse is convenient.

Two tail baffles 12 are arranged at one end of the operating platform 2, a gap is arranged between the tail baffles 12, and the gap is aligned with the slit 8. When the mouse is fixed on the operation platform 2, the tail of the mouse can be caught through the gap between the adjusting baffles 9 so as not to be bitten by the mouse. The gap between the tail baffles 12 is aligned with the slit 8, so that the injection of the mouse to the abdomen after the mouse is fixed is not influenced. The function of the tail baffle 12 is not limited to the structure that a gap is formed between two baffles, and a gap or other similar structures can be formed between one baffle.

As shown in fig. 1 and 3, the operation platform 2 is obliquely fixed on the bottom bracket 1, the bottom bracket 1 is a structure in which vertical side plates 16 are mounted at two ends of a bottom plate 15, the side plates 16 have a height difference, a groove is formed in an upper end surface of each side plate 16, and connecting rods corresponding to the grooves are fixed at two ends of the operation platform 2 and used for connecting the bottom bracket 1. Operation platform 2's connecting rod is connected in the slot on the bottom support 1, operation platform 2 this moment also can the high one end of one end low, and the tail of grabbing the mouse is in operation platform 2 high one end, the mouse can be natural to operation platform 2 low one end crawls, is located the viscera of the mouse on operation platform 2 moves toward the head naturally to do not hinder mouse abdominal cavity viscera when carrying out the intraperitoneal injection operation.

One groove is semicircular, the other groove is square, and the corresponding connecting rods are circular and square respectively. When the operation platform 2 is turned over, the square connecting rod 7 can be lifted, the circular connecting rod 6 rotates in the semicircular groove 4, the square connecting rod 7 is placed in the corresponding square groove 5 after the operation platform is turned over, and due to the shape of the square connecting rod 7, the operation platform 2 cannot rotate freely and is stable.

The operating platform 2 on both sides of the slit 8 is provided with grains 10, so that the crawling friction force of the mouse is increased, the mouse keeps crawling all the way forward, and the experimenter is prevented from being bitten by the back of the head.

When the fixing device for the mouse experiment is used in a laboratory, the adjusting baffle plate 9 is fixed on the proper limit hole 11 according to the size of the mouse, so that the mouse can be limited on the slit 8, then an experimenter can grasp the tail of the mouse by hands and place the tail on the operating platform 2, the tail of the mouse is grasped by the tail baffle plate 12, so that the mouse can not bite the experimenter by biting back, then the elastic fixing net 3 is used for rapidly covering the mouse and fixing the mouse on the operating platform 2, and the tightness degree of the fixing of the mouse can be adjusted by the nylon hook belt 13 and the nylon velvet belt 14 on the elastic fixing net 3. After the fixing is finished, the back of the mouse can be injected, after the back injection is finished, an experimenter can take up the square connecting rod 7, so that the operating platform 2 rotates in the semicircular groove 4 by means of the circular connecting rod 6, the square connecting rod 7 is placed in the square groove 5 after the operating platform 2 rotates to the back of the operating platform, and then the belly of the mouse can be injected through the slit 8. Because the two side plates 16 on the bottom support 1 have a height difference, and the depths of the grooves on the upper end surfaces of the side plates 16 are the same, the operation platform 2 connected with the side plates also has a height difference, the tail of the mouse is pulled to the higher end, the mouse naturally climbs to the lower end of the operation platform 2, and the viscera of the mouse on the operation platform 2 naturally moves to the head, so that the abdominal viscera of the mouse cannot be injured when the abdominal cavity injection operation is performed.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a fixing device for mouse experiments which characterized in that: including bottom support (1), operation platform (2) and fixing device, fixing device is used for fixed mouse to be in operation platform (2) is last, operation platform (2) activity is fixed and can overturn on bottom support (1), open at operation platform (2) middle part has slit (8).

2. The fixing device for mouse experiments as claimed in claim 1, wherein: the fixing device is an elastic fixing net (3), one end of the elastic fixing net (3) is fixed on one side of the operating platform (2), and the other end of the elastic fixing net (3) is movably fixed on the other side of the operating platform (2).

3. The fixing device for mouse experiment as claimed in claim 2, wherein: the elastic fixing net (3) is provided with a nylon hook belt (13), the other side of the operation platform (2) is provided with a nylon velvet belt (14) corresponding to the nylon hook belt (13), and the elastic fixing net (3) is movably fixed on the operation platform (2) through the nylon hook belt (13) and the nylon velvet belt (14).

4. The fixing device for the mouse experiment according to claim 1, wherein: the operating platform (2) is provided with limiting holes (11) located on two sides of the slit (8), and adjusting baffles (9) are correspondingly arranged in the limiting holes (11).

5. The fixing device for mouse experiments as claimed in claim 1, wherein: two tail baffles (12) are arranged at one end of the operating platform (2), a gap is reserved between the tail baffles (12), and the gap is aligned with the slit (8).

6. The fixing device for mouse experiments as claimed in claim 1, wherein: the operating platform (2) is obliquely fixed on the bottom support (1).

7. The fixing device for mouse experiments as claimed in claim 6, wherein: bottom support (1) is bottom plate (15) both ends and is equipped with the structure of vertical curb plate (16), there is the difference in height curb plate (16), the up end of curb plate (16) is equipped with the slot, the both ends of operation platform (2) are fixed with the connecting rod that corresponds with the slot for connect bottom support (1).

8. The fixing device for mouse experiments as claimed in claim 7, wherein: one groove is a semicircular groove (4), the other groove is a square groove (5), and the corresponding connecting rods are respectively a circular connecting rod (6) and a square connecting rod (7).

9. The fixing device for mouse experiments as claimed in claim 1, wherein: and lines (10) are arranged on the operating platforms (2) on the two sides of the slit (8).