CN219126824U

CN219126824U - Fixing device suitable for mouse operation

Info

Publication number: CN219126824U
Application number: CN202222778678.5U
Authority: CN
Inventors: 陈梦涵
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-06-06
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a fixing device suitable for a mouse operation, which comprises a base, wherein the upper surface of the base is provided with a fixing groove, the inside of the fixing groove is respectively provided with a binding ring for fixing four limbs of a mouse, the lower side of the fixing groove is provided with a winding cavity arranged in the base, through holes are respectively arranged between the winding cavity and the fixing groove, the inside of the winding cavity is respectively and rotatably connected with a winding shaft, the outer side of the winding shaft is respectively and fixedly connected with a connecting rope penetrating through the through holes and extending into the fixing groove in a winding manner, the outer side of the winding shaft is fixedly connected with a driven gear, and driving gears rotatably connected in the winding cavity are meshed between the driven gears. This fixing device suitable for mouse operation can simplify the loaded down with trivial details step when fixing the mouse four limbs, comparatively convenient and fast uses through the cooperation of neck portion fixed establishment simultaneously, can improve the fixed effect to the mouse.

Description

Fixing device suitable for mouse operation

Technical Field

The utility model relates to the technical field of mouse surgical instruments, in particular to a fixing device suitable for mouse surgery.

Background

The mice are small, convenient to raise and manage, easy to control, quick to produce and reproduce and clear in quality control standard, so that the mice are important experimental objects for carrying out medical experiments such as tumor, immunity, microorganisms and the like, and currently, the mice are required to be fixed by using a fixing device during operation.

In chinese patent CN 205107955U, a mouse fixing device for use in embryo transfer surgery is disclosed, the mouse fixing device comprising: the base, be provided with the recess of holding mouse and four fixed columns that are located the recess outside on the base, the recess both sides are arranged in to the fixed column two by two, are provided with the band that is used for tying up the mouse four limbs on the fixed column, are provided with the hot plate in the recess, utilize this mouse fixing device to guarantee going on smoothly of operation, avoid the mouse body temperature to descend too fast. But this fixing device is fixed the mouse, needs to fix the four limbs of mouse one by one with band and fixed column, and the process is comparatively loaded down with trivial details, and is not convenient enough, and lacks the fixed knot structure to mouse head neck, consequently does not possess good fixed effect to the mouse.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the fixing device suitable for the mouse operation, which can simplify the complicated steps when fixing the limbs of the mouse, is convenient and quick, and can improve the fixing effect of the mouse through the cooperation of the head and neck fixing mechanism.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixing device suitable for mouse operation, includes the base, the fixed slot has been seted up to the upper surface of base, the inside of fixed slot is provided with the tie-up circle that is used for fixed mouse four limbs respectively, the downside of fixed slot is provided with the rolling chamber of seting up inside the base, the through-hole has been seted up respectively between rolling chamber and the fixed slot, the inside of rolling chamber rotates respectively and is connected with the rolling axle, the outside of rolling axle is fixed the round connection respectively has the connecting rope that passes the through-hole and extend to the fixed slot inside, the outside fixedly connected with driven gear of rolling axle, the meshing has the driving gear of rotation connection at rolling intracavity portion between the driven gear, the pivot that extends the base is fixedly connected with in front of driving gear, the recess has been seted up in front of pivot, the inside fixedly connected with reset spring of recess, the outside fixedly connected with sliding connection in the inside connecting plate of recess, the front fixedly connected with carousel of connecting axle, the back side of locating slot has been seted up the constant head and neck portion at the inside of fixed head and neck portion of fixed establishment of base.

Preferably, a protection pad is arranged in the through hole.

Preferably, the binding ring is fixedly connected with the connecting rope.

Preferably, the neck fixing mechanism comprises a chute arranged on the inner wall of the bottom of the fixing groove, a first threaded shaft and a second threaded shaft extending out of the base are respectively arranged in the chute, fixing blocks in sliding connection with the inner wall of the chute are respectively connected to the outer sides of the first threaded shaft and the second threaded shaft in a threaded manner, and an elastic fixing belt is fixedly connected between the fixing blocks.

Preferably, the opposite sides of the first threaded shaft and the second threaded shaft are respectively fixedly connected with a rotating handle.

The beneficial effects of the utility model are as follows:

1. when the fixing device is used, firstly, a mouse to be operated after anesthesia is placed in the fixing groove, four limbs of the mouse are fixed by binding rings, then the rotary table is pulled, the rotary table stretches a reset spring through the connecting shaft and the connecting plate, the locating rod is separated from the locating groove, at the moment, the rotary table can rotate, the connecting plate and the rotating shaft are driven by the connecting shaft to rotate synchronously, then the driving gear is driven to rotate, the driving gear drives the two winding shafts to rotate synchronously through the meshing action of the driving gears on the two sides, the winding shafts wind the connecting ropes, the connecting ropes pull the binding rings to move back to back and enter a tightening state, fixing of the four limbs of the mouse is completed, the rotary table can be loosened after fixing is completed, the rotary table resets under the elastic action of the reset spring in the stretching state, the locating rod is reinserted into the locating groove, finally, the first threaded shaft and the second threaded shaft are driven to rotate synchronously through the mode of rotating the rotating handle, the fixing blocks which are in threaded connection with the outer sides are driven to move back to each other when the first threaded shaft and the second threaded shaft rotate, and then the elastic fixing belt is in the tightening state and is pressed to the head and neck of the mouse, and the fixing effect of the mouse is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a top view of the overall structural assembly of the present utility model;

FIG. 2 is a top cross-sectional view of the spindle and turntable connection structure assembly of the present utility model;

FIG. 3 is a front view of the internal structural components of the base of the present utility model;

fig. 4 is a rear view of the structural assembly of the head and neck fixation mechanism of the present utility model.

Reference numerals in the drawings: 1. a base; 2. a fixing groove; 3. binding the ring; 4. a winding cavity; 5. a through hole; 6. a winding shaft; 7. a connecting rope; 8. a driven gear; 9. a drive gear; 10. a rotating shaft; 11. a groove; 12. a return spring; 13. a connecting plate; 14. a connecting shaft; 15. a turntable; 16. a positioning groove; 17. a positioning rod; 18. a chute; 19. a first threaded shaft; 20. a second threaded shaft; 21. a fixed block; 22. an elastic fixing band.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

Example 1

The fixing device suitable for the mouse surgery shown in figures 1-4 comprises a base 1, wherein a fixing groove 2 is formed in the upper surface of the base 1, binding rings 3 used for fixing the limbs of the mouse are respectively arranged in the fixing groove 2, a winding cavity 4 formed in the base 1 is arranged at the lower side of the fixing groove 2, through holes 5 are respectively formed between the winding cavity 4 and the fixing groove 2, winding shafts 6 are respectively and rotatably connected in the winding cavity 4, connecting ropes 7 penetrating through the through holes 5 and extending into the fixing groove 2 are respectively and fixedly connected to the outer sides of the winding shafts 6 in a winding manner, the binding rings 3 are fixedly connected with the connecting ropes 7, driven gears 8 are fixedly connected to the outer sides of the winding shafts 6, driving gears 9 rotatably connected to the inner sides of the winding cavities 4 are meshed between the driven gears 8, rotating shafts 10 extending out of the base 1 are fixedly connected to the front surfaces of the driving gears 9, grooves 11 are formed in the front surfaces of the rotating shafts 10, the inside of the groove 11 is fixedly connected with a reset spring 12, the outside of the reset spring 12 is fixedly connected with a connecting plate 13 which is in sliding connection with the inside of the groove 11, the front side of the connecting plate 13 is fixedly connected with a connecting shaft 14, the front side of the connecting shaft 14 is fixedly connected with a rotary table 15, the back sides of the rotary table 15 are respectively provided with a positioning groove 16, the inside of the positioning groove 16 is provided with a positioning rod 17 which is fixedly connected with the front side of the base 1, the inside of the fixing groove 2 is provided with a head and neck fixing mechanism, the head and neck fixing mechanism comprises a sliding groove 18 which is arranged on the inner wall of the bottom of the fixing groove 2, the inside of the sliding groove 18 is respectively provided with a first threaded shaft 19 and a second threaded shaft 20 which extend out of the base 1, the opposite sides of the first threaded shaft 19 and the second threaded shaft 20 are respectively fixedly connected with a rotating handle, the first threaded shaft 19 and the second threaded shaft 20 are convenient to rotate through arrangement, the outer sides of the first threaded shaft 19 and the second threaded shaft 20 are respectively in threaded connection with a fixed block 21 in sliding connection with the inner wall of the chute 18, and an elastic fixed belt 22 is fixedly connected between the fixed blocks 21.

When the mouse fixing device is used, firstly, a mouse to be operated after anesthesia is placed in the fixing groove 2, four limbs of the mouse are bound and fixed by the binding ring 3, then the rotary table 15 is pulled, the rotary table 15 stretches the reset spring 12 through the connecting shaft 14 and the connecting plate 13, the positioning rod 17 is separated from the positioning groove 16, at the moment, the rotary table 15 can be rotated, the connecting plate 13 and the rotating shaft 10 are driven by the rotary table 15 through the connecting shaft 14 to synchronously rotate, then the driving gear 9 is driven to rotate, the driving gear 9 drives the two side winding shafts 6 to synchronously rotate through the meshing action with the driven gears 8 on two sides, the winding shafts 6 wind the connecting ropes 7, the connecting ropes 7 pull the binding ring 3 to move oppositely and enter a tightening state, the rotary table 15 can be loosened after the fixing is finished, the rotary table 15 is reset under the elastic action of the reset spring 12 in the stretching state, the positioning rod 17 is reinserted into the inside of the positioning groove 16, finally, the first threaded shaft 19 and the second threaded shaft 20 are driven to synchronously rotate through the rotating handle, and the first threaded shaft 19 and the second threaded shaft 20 are respectively driven by the rotating handle to synchronously rotate, the two side winding shafts 21 are connected oppositely, and the mouse fixing device is in the tightening state, and the mouse fixing device is fixed to the head and neck of the mouse fixing device, and the mouse fixing device is further fixed to the mouse fixing effect is achieved.

Example two

Referring to fig. 3, as another preferred embodiment, the difference from the first embodiment is that a protection pad is provided inside the through hole 5, and by providing the protection pad, abrasion generated between the connection rope 7 and the inner wall of the through hole 5 due to friction during reciprocation can be reduced, and the protection effect on the connection rope 7 is achieved, thereby improving the service life of the connection rope 7.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fixing device suitable for mouse surgery, comprising a base (1), characterized in that: the utility model discloses a mouse fixing device, including base (1) and fixed slot (2), fixed slot (2)'s inside has been seted up respectively and has been used for fixing binding circle (3) of mouse four limbs, fixed slot (2)'s downside is provided with and sets up in base (1) inside rolling chamber (4), through-hole (5) have been seted up respectively between rolling chamber (4) and fixed slot (2), rolling chamber (4) inside is rotated respectively and is connected with rolling axle (6), rolling axle (6)'s outside is fixed the round connection respectively has pass through-hole (5) and extends to connecting rope (7) inside fixed slot (2), rolling axle (6) outside fixedly connected with driven gear (8), meshing has between driven gear (8) to rotate and connect in rolling chamber (4) inside driving gear (9), driving gear (9)'s front fixedly connected with pivot (10) that extend base (1), recess (11) have been seted up on the front of pivot (10), reset spring (12) are connected with in inside fixedly in recess (11) respectively, reset spring (12) are connected with connecting plate (13) in the inside is connected with connecting plate (13), the front fixedly connected with carousel (15) of connecting axle (14), constant head tank (16) have been seted up respectively to the dorsal part of carousel (15), the inside of constant head tank (16) is provided with fixed connection in positive locating lever (17) of base (1), the inside of fixed slot (2) is provided with neck portion fixed establishment.

2. A fixation device for use in a mouse procedure as claimed in claim 1, wherein: and a protection pad is arranged in the through hole (5).

3. A fixation device for use in a mouse procedure as claimed in claim 1, wherein: the binding ring (3) is fixedly connected with the connecting rope (7).

4. A fixation device for use in a mouse procedure as claimed in claim 1, wherein: the head and neck fixing mechanism comprises a sliding groove (18) formed in the inner wall of the bottom of a fixing groove (2), a first threaded shaft (19) and a second threaded shaft (20) extending out of a base (1) are respectively arranged in the sliding groove (18), fixing blocks (21) which are in sliding connection with the inner wall of the sliding groove (18) are respectively connected to the outer sides of the first threaded shaft (19) and the second threaded shaft (20) in a threaded mode, and elastic fixing bands (22) are fixedly connected between the fixing blocks (21).

5. A fixation device for use in a mouse procedure as claimed in claim 4, wherein: the opposite sides of the first threaded shaft (19) and the second threaded shaft (20) are fixedly connected with rotating handles respectively.