CN219397723U

CN219397723U - Mouse fixer

Info

Publication number: CN219397723U
Application number: CN202320354196.9U
Authority: CN
Inventors: 段蕊; 金磊; 汪峻伊; 赖雨宁; 胡潇天; 贾如
Original assignee: Wenzhou Medical University
Current assignee: Wenzhou Medical University
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-25
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses a mouse fixer, which comprises an objective table and a fixing barrel, wherein the front end of the objective table is provided with a sleeve with adjustable front-rear distance, a horn sleeve is arranged in the sleeve, a positioning pin is arranged outside the sleeve, the outer wall of the fixing barrel is provided with positioning grooves for the positioning pin to enter, a plurality of limiting grooves which are communicated with the positioning grooves and are perpendicular to the positioning grooves are distributed at equal intervals along the length direction of the positioning grooves, and the outer wall of the rear end of the fixing barrel is provided with a notch for the rear legs of a mouse to penetrate out; the utility model can adjust the relative position of the fixing cylinder and the sleeve, can adapt to mice with different sizes, and has good fixing effect.

Description

Mouse fixer

Technical Field

The utility model relates to the technical field of mouse fixation, in particular to a mouse fixer.

Background

The mouse fixer is used for fixing the mouse, is convenient for subsequent vein blood taking, anesthesia and gastric lavage, and the prior art discloses various mouse fixing devices, but the devices are either complicated in structure or can not fix the mouse well.

Patent CN209032712U discloses a mouse fixer, comprising a fixing barrel, a tail cover and an inserting plate; the tail part of the fixed cylinder is provided with an opening, the head part is conical, and the head part is detachably connected with the cylinder body; the upper surface of the fixed cylinder body is provided with a plurality of square through holes; the tail cover is in threaded connection with the tail part of the fixed cylinder, a through hole is formed in the side face of the tail cover, and two circular arc-shaped elastic sheets are arranged at the through hole; the plugboard is a square board, an arc-shaped notch is formed in the bottom of the plugboard, and the plugboard can be movably inserted into the square through hole.

Problems in the above patents: the length of the cylinder body of the existing mouse fixer is fixed, the sizes of the experimental mice are different, the mouse fixer can not well fix the mice, the fixing effect is poor, and the structure of the mouse fixer is improved based on the problem.

Disclosure of Invention

The utility model aims to overcome the defects and shortcomings of the prior art and provides a mouse fixer.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mouse fixer, includes objective table and fixed section of thick bamboo, the objective table front end is provided with the sleeve of adjustable front and back distance, be provided with the horn cover in the sleeve, be provided with the locating pin outward the sleeve, the constant head tank that supplies the locating pin to get into is seted up to fixed section of thick bamboo outer wall, the constant head tank along on the length direction equidistance distribute have a plurality of with its intercommunication and perpendicular to constant head tank's spacing groove, fixed section of thick bamboo rear end outer wall has been seted up and has been used for supplying the breach that the mouse hind leg worn out.

As a preferable technical scheme of the utility model, the object stage comprises a bottom plate, a support frame and a connecting bracket, wherein the support frame and the connecting bracket are respectively positioned at two sides of the bottom plate, the support frame is used for supporting the front end of the fixed cylinder, and the connecting bracket is arranged at the rear end of the fixed cylinder and is hinged with the fixed cylinder.

As a preferable technical scheme of the utility model, the support frame comprises a support rod and an arc-shaped plectrum arranged on the support frame, and the arc-shaped plectrum is matched with the shape of the fixed cylinder.

As a preferable technical scheme of the utility model, the connecting brackets are provided with two connecting plates and symmetrically arranged on two sides of the fixed cylinder, each connecting bracket comprises a connecting plate and a rotating shaft, one end of each rotating shaft is rotationally connected with the connecting plate, and the other end of each rotating shaft is rotationally connected with the fixed cylinder.

As a preferable technical scheme of the utility model, the opening of the horn sleeve is gradually enlarged from front to back.

As a preferable technical scheme of the utility model, the top and the two side walls of the fixed cylinder are respectively provided with an adjusting bolt.

As a preferable technical scheme of the utility model, a detachable rear cover is arranged on one side of the fixed cylinder close to the notch.

As a preferable technical scheme of the utility model, the outer wall of the rear cover is provided with external threads, the inner wall part of the fixing cylinder facing to one side of the notch is provided with internal threads, and the rear cover is in threaded connection with the fixing cylinder.

As a preferable technical scheme of the utility model, the rear cover is provided with a through hole, and a semicircular tile-shaped supporting plate is connected at the through hole.

In summary, the beneficial effects of the utility model are as follows: through setting up adjustable sleeve, can change the relative position of sleeve and fixed section of thick bamboo to adapt to the mouse of different sizes, the horn sleeve that sets up in the sleeve supports the mouse head, and is fixed effectual.

Drawings

Fig. 1 is a schematic structural view of the present embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the structure of the sleeve in this embodiment;

fig. 4 is a schematic structural view of the rear cover in the present embodiment.

Reference numerals: 1. an objective table; 2. a fixed cylinder; 3. a sleeve; 4. a horn sleeve; 5. a positioning pin; 6. a positioning groove; 7. a limit groove; 8. a notch; 9. a bottom plate; 10. a support frame; 11. a connecting bracket; 12. a support rod; 13. an arc-shaped plectrum; 14. a connecting plate; 15. a rotating shaft; 16. an adjusting bolt; 17. a rear cover; 18. a through hole; 19. tile-shaped supporting plates.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model.

Specific embodiments of the present utility model are described below with reference to the accompanying drawings.

The mouse fixer shown in fig. 1 to 4 comprises an objective table 1 and a fixing barrel 2, wherein the front end of the objective table 1 is provided with a sleeve 3 with adjustable front-back distance, a horn sleeve 4 is arranged in the sleeve 3, a locating pin 5 is arranged outside the sleeve 3, locating grooves 6 for the locating pin 5 to enter are formed in the outer wall of the fixing barrel 2, a plurality of limiting grooves 7 which are communicated with the locating grooves and are perpendicular to the locating grooves 6 are distributed on the locating grooves 6 at equal intervals along the length direction, gaps 8 for the rear legs of the mice to penetrate out are formed in the outer wall of the rear end of the fixing barrel 2, the mice are filled into the fixing barrel 2 from back to front in use, the rear legs of the mice are limited at the positions of the gaps 8, an experimenter adjusts the front-back distance of the sleeve 3 according to the body shape of the mice, rotates the sleeve 3 to enable the sleeve 3 to deviate from the current limiting grooves 7, then the sleeve 3 is moved along the axial direction of the fixing barrel 2, the sleeve 3 is rotated again to enable the sleeve 3 to enter the corresponding limiting grooves 7 after being adjusted to the proper position of the head of the mice, and the opening of the horn sleeve 4 in the embodiment gradually increases from front to back.

Through setting up adjustable sleeve 3, can change sleeve 3 and fixed section of thick bamboo 2's relative position to adapt to the mouse of different sizes, the horn sleeve 4 that sets up in the sleeve 3 supports the mouse head, and is fixed effectual.

The objective table 1 includes bottom plate 9, support frame 10 and linking bridge 11, and support frame 10 and linking bridge 11 are located the both sides of bottom plate 9 respectively, and support frame 10 is used for supporting fixed section of thick bamboo 2 front end, and linking bridge 11 sets up in fixed section of thick bamboo 2 rear end and articulated with fixed section of thick bamboo 2, and the experimental personnel is handheld fixed section of thick bamboo 2 to adjust it into vertical state, is convenient for follow-up the stomach that irritates.

The support frame 10 includes bracing piece 12 and sets up the arc plectrum 13 on support frame 10, and arc plectrum 13 and fixed section of thick bamboo 2 shape looks adaptation need carry out tail vein and get blood, and the mouse is the state of lying. The fixed cylinder 2 is kept horizontal by the support of the support frame 10.

The connecting brackets 11 are provided with two and symmetrically arranged on two sides of the fixed cylinder 2, each connecting bracket 11 comprises a connecting plate 14 and a rotating shaft 15, one end of the rotating shaft 15 is rotationally connected with the connecting plate 14, and the other end of the rotating shaft 15 is rotationally connected with the fixed cylinder 2.

The top and the both sides wall of fixed section of thick bamboo 2 are provided with adjusting bolt 16 respectively, adopt trilateral fixed mode to fix the mouse health, and the one end that adjusting bolt 16 is located fixed section of thick bamboo 2 in this embodiment is provided with the sheet rubber, avoids causing the damage to the mouse health.

The fixed cylinder 2 is provided with the detachable back lid 17 near breach 8 one side, and the back lid 17 outer wall is provided with the external screw thread, fixed cylinder 2 is provided with the internal screw thread towards breach 8 one side inner wall part, back lid 17 and fixed cylinder 2 threaded connection are provided with through-hole 18 and the through-hole 18 department is connected with semicircular tile form fagging 19 on the back lid 17, and fixed cylinder 2 is the tilt state when the mouse is irritated the stomach, consequently the setting of back lid 17 can avoid the mouse to deviate from, when the mouse carries out tail vein blood sampling, and fixed cylinder 2 is the state of horizontal, and the tail passes through the through-hole 18 of tail lid and is fixed in on the fagging, adopts a plurality of rubber snare to locate the fagging can fix the tail.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description as preferred embodiments of the utility model, but rather that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a mouse fixer, includes objective table and fixed section of thick bamboo, its characterized in that: the utility model discloses a mouse, including the objective table, the objective table front end is provided with the sleeve of adjustable front and back distance, be provided with the horn cover in the sleeve, be provided with the locating pin outward the sleeve, the constant head tank that supplies the locating pin to get into is seted up to the fixed cylinder outer wall, the constant head tank along the equidistant spacing groove that has a plurality of and its intercommunication and perpendicular to constant head tank that distributes on the length direction, the breach that is used for supplying the mouse rear leg to wear out is offered to fixed cylinder rear end outer wall.

2. The mouse holder of claim 1, wherein: the objective table comprises a bottom plate, a support frame and a connecting support, wherein the support frame and the connecting support are respectively located at two sides of the bottom plate, the support frame is used for supporting the front end of the fixed cylinder, and the connecting support is arranged at the rear end of the fixed cylinder and hinged with the fixed cylinder.

3. The mouse holder of claim 2, wherein: the support frame includes the bracing piece and sets up the arc plectrum on the support frame, arc plectrum and fixed section of thick bamboo shape looks adaptation.

4. The mouse holder of claim 2, wherein: the connecting support is provided with two and symmetry sets up in the both sides of fixed section of thick bamboo, every the connecting support includes connecting plate and pivot, pivot one end is connected with the connecting plate rotation, the other end and the fixed section of thick bamboo rotation of pivot are connected.

5. The mouse holder of claim 1, wherein: the opening of the horn sleeve gradually becomes larger from front to back.

6. The mouse holder of claim 1, wherein: the top and the two side walls of the fixed cylinder are respectively provided with an adjusting bolt.

7. The mouse holder of claim 1, wherein: a detachable rear cover is arranged on one side of the fixed cylinder close to the notch.

8. The mouse holder of claim 7, wherein: the outer wall of the rear cover is provided with external threads, the inner wall part of the fixing cylinder facing to one side of the notch is provided with internal threads, and the rear cover is in threaded connection with the fixing cylinder.

9. The mouse holder of claim 8, wherein: the rear cover is provided with a through hole, and a semicircular tile-shaped supporting plate is connected to the through hole.