CN220801178U - Laboratory mouse fracture fixing device - Google Patents

Abstract

The application discloses a fracture fixing device for an experimental mouse, which comprises a supporting plate, wherein the supporting plate is used for placing the experimental mouse, four through holes are formed in the supporting plate and used for respectively penetrating through limbs of the experimental mouse, a fixing air bag is arranged on the supporting plate and used for covering the trunk of the experimental mouse, and the fracture fixing device also comprises an inflation mechanism used for inflating the fixing air bag.

Description

Laboratory mouse fracture fixing device

Technical Field

The application relates to the technical field of fracture test devices, in particular to a device for fixing fracture of an experimental mouse.

Background

Fracture is one of the common clinical diseases, meaning that the continuity of bone structure is completely or partially broken, in the past, researchers have favored large animal models such as dogs, goats, etc., and the bone reconstruction process of humans can be more realistically simulated by using the bone reconstruction of large animals, but the main drawbacks are that the long time is required for containment in the bone healing process and a large amount of scientific research expenses are consumed, so that animal (e.g., murine) models of smaller sizes are increasingly accepted and widely used.

At present, most of animals for establishing fracture models are experimental mice, the experimental mice need to be fixed when experiments are carried out, vascular forceps are used for artificially creating fractures, the trunk of the experimental mice are generally fixed through a plurality of binding bands, then fracture experiments are carried out on limbs of the experimental mice, one end of each binding band is fixed on a supporting plate, after the experimental mice are fixed on the supporting plate through the binding bands, as the contact parts of the binding bands and the experimental mice are mostly arranged on the back of the experimental mice, certain gaps are exposed on the side parts of the experimental mice, so that the fixed experimental mice still have a certain activity space, the experimental mice are easy to twist, the fixed attaching area is small, the fixation is not firm, the experimental effect is poor, and the experimental results are affected.

Disclosure of utility model

The application mainly aims to provide a fracture fixing device for an experimental mouse, and aims to solve the technical problems that the existing fixing device for the experimental mouse is not firm in fixing the experimental mouse and affects experimental results.

In order to achieve the above purpose, the application provides an experimental mouse fracture fixing device, which comprises a supporting plate, wherein the supporting plate is used for placing an experimental mouse, four through holes are formed in the supporting plate and are used for respectively penetrating through limbs of the experimental mouse, a fixing air bag is arranged on the supporting plate and is used for coating the trunk of the experimental mouse, and the experimental mouse fracture fixing device further comprises an inflation mechanism used for inflating the fixing air bag.

Optionally, the inflation mechanism comprises a pressing inflation valve, the pressing inflation valve is connected with an air pipe, the air pipe is connected with an air needle, and an inflation nozzle matched with the air needle is arranged on the fixed air bag.

Optionally, a first connecting strip is arranged on the pressing inflation valve, the first connecting strip is connected with a first plug, and an air inlet nozzle matched with the first plug is arranged on the pressing inflation valve.

Optionally, a second connecting strip is arranged on the fixed air bag, the second connecting strip is connected with a second plug, and a gas leakage nozzle matched with the second plug is arranged on the fixed air bag.

Optionally, a circle of connecting band is arranged at the outer edge of the bottom of the fixed air bag, a plurality of female buckles are arranged on the connecting band, and a plurality of male buckles matched with the female buckles are arranged on the supporting plate.

Optionally, the connecting band comprises a fixing band and a detachable band, the fixing band is fixedly connected to the supporting plate, the fixing band is connected to one side edge of the fixed air bag, the detachable band is connected to the other edges of the fixed air bag, and the female buckles are arranged on the detachable band.

Optionally, one side of the fixed air bag is provided with a first movable opening, the first movable opening is used for penetrating through the head of the laboratory mouse, the other side of the fixed air bag is provided with a second movable opening, and the second movable opening is used for penetrating through the tail of the laboratory mouse.

Optionally, the bottom of the supporting plate is provided with binding bands close to the through holes, and the binding bands are used for binding and fixing the limbs of the laboratory mice.

Optionally, the bottom of the pallet is hinged with at least two support frames by a damping hinge.

Optionally, suction cups are arranged at the bottoms of the support frames.

The beneficial effects that the application can realize are as follows:

When the experimental mouse is fixed, the experimental mouse is placed on the supporting plate, and the limbs of the experimental mouse pass through the corresponding through holes, so that the limbs of the experimental mouse extend out of the bottom of the supporting plate, the subsequent limb fixation is facilitated, the trunk of the experimental mouse is covered by the fixing air bag, the fixing air bag is inflated by the inflating mechanism, and the fixing air bag is gradually inflated to squeeze the trunk of the experimental mouse, so that the trunk of the experimental mouse can be tightly adhered to in a large area, the experimental mouse is firmly fixed, the movable space of the experimental mouse after the fixing is extremely small and is not easy to twist, the experimental is facilitated, the influence on experimental results is reduced, and the experimental effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of a fracture fixation device for laboratory mice according to an embodiment of the present application;

FIG. 2 is a schematic view showing the external structure of a fracture fixation device for laboratory mice according to an embodiment of the present application;

FIG. 3 is a schematic view of an inflation mechanism according to an embodiment of the present application;

FIG. 4 is a schematic view of the top view of FIG. 2 (with the inflation mechanism omitted);

fig. 5 is a schematic view of the structure corresponding to fig. 4 after the fixing air bag is removed.

Reference numerals:

110-supporting plate, 111-through hole, 120-fixed air bag, 121-first movable port, 122-second movable port, 130-inflating mechanism, 131-pressing inflating valve, 132-air pipe, 133-air needle, 134-first connecting strip, 135-first plug, 136-air inlet nozzle, 140-inflating nozzle, 150-second connecting strip, 160-second plug, 170-air outlet nozzle, 180-connecting strip, 181-fixed strip, 182-detachable strip, 190-female buckle, 210-male buckle, 220-binding strip, 230-supporting frame, 240-sucking disc.

The achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, if the specific posture is changed, the directional indicators are correspondingly changed.

In the present application, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

Examples

Referring to fig. 1-5, the embodiment provides a fracture fixing device for a laboratory mouse, which comprises a supporting plate 110, wherein the supporting plate 110 is used for placing the laboratory mouse, four through holes 111 are formed in the supporting plate 110, the four through holes 111 are used for respectively penetrating four limbs of the laboratory mouse, a fixing air bag 120 is arranged on the supporting plate 110, the fixing air bag 120 is used for wrapping the trunk of the laboratory mouse, and an inflation mechanism 130 for inflating the fixing air bag 120 is further included.

In the embodiment, when fixed laboratory mouse, place the laboratory mouse on layer board 110, pass corresponding through-hole 111 with the laboratory mouse four limbs simultaneously, make its four limbs all stretch out layer board 110 bottom, be convenient for carry out the fracture experiment after follow-up four limbs are fixed, then cover the laboratory mouse truck through fixed gasbag 120, utilize inflation mechanism 130 to aerify fixed gasbag 120, fixed gasbag 120 expands gradually and extrudees the laboratory mouse truck, thereby can paste the tight laboratory mouse truck in large tracts of land, firmly fix the laboratory mouse, the laboratory mouse activity space is very little after the fixing, be difficult for twisting, thereby be favorable to the going on of experiment, the influence to the experimental result has been reduced, the experimental effect is good.

As an alternative embodiment, the inflating mechanism 130 includes a pressing inflating valve 131, the pressing inflating valve 131 is connected with an air pipe 132, the air pipe 132 is connected with an air needle 133, and an inflating nozzle 140 matched with the air needle 133 is arranged on the fixed air bag 120.

In this embodiment, when the fixed airbag 120 is inflated, the air needle 133 is inserted into the air charging nozzle 140 of the fixed airbag 120, and the pressing air charging valve 131 is continuously pressed manually until the fixed airbag 120 is inflated to a certain extent to fix the laboratory mouse firmly, and then the air needle 133 is pulled out, so that the air charging operation can be performed quickly, and the operation is convenient and quick.

It should be noted that, the inflating nozzle 140 is a unidirectional air hole, and is similar to the air hole principle on basketball, the rubber pad is arranged in the ball eye, when the air needle 133 is inflated, the rubber pad is flushed by the huge pressure of the air needle 133, and when the air needle 133 is pulled out, the air in the ball can give an outward force to the rubber pad, so that the rubber pad is restored to a tightly closed state, therefore, the inflating nozzle 140 cannot leak air when the air needle 133 is pulled out, namely, the fixed air bag 120 cannot leak air. The inflation mechanism 130 may be used as a separate component in conjunction with the fixed airbag 120, or may be secured to the pallet 110 to prevent loss.

As an alternative embodiment, a first connecting strip 134 is disposed on the pressing inflation valve 131, the first connecting strip 134 is connected with a first plug 135, and an air inlet nozzle 136 matched with the first plug 135 is disposed on the pressing inflation valve 131.

In this embodiment, when the pressing inflation valve 131 is continuously pressed, the external air can be pressed into the fixed airbag 120 through the air inlet nozzle 136, after the inflation is finished, the air inlet nozzle is plugged by the first plug 135, then the air needle 133 is pulled out to prevent air leakage, and meanwhile, the first plug 135 is connected through the first connecting strip 134 on the pressing inflation valve 131 to prevent the loss of small-volume parts such as the first plug 135, and the small-volume parts can be taken along with use.

As an alternative embodiment, the fixed airbag 120 is provided with a second connecting strip 150, the second connecting strip 150 is connected with a second plug 160, and the fixed airbag 120 is provided with a gas leakage nozzle 170 matched with the second plug 160.

In this embodiment, when the fixed airbag 120 is inflated, the air leakage nozzle is plugged by the second plug 160, after the use is finished, the air leakage nozzle is opened by taking down the second plug 160, and the fixed airbag 120 can be deflated quickly by squeezing, so that the operation is convenient and quick, and the second plug 160 is connected by the second connecting strip 150, so that the loss can be prevented.

As an alternative embodiment, a circle of connecting bands 180 is provided at the outer edge of the bottom of the fixed airbag 120, a plurality of female buttons 190 are provided on the connecting bands 180, and a plurality of male buttons 210 matched with the female buttons 190 are provided on the supporting plate 110.

In this embodiment, the fixing airbag 120 forms a detachable connection structure with the male buckle 210 on the supporting plate 110 through the female buckle 190 on the connecting strap 180, after placing the laboratory mice in place, the female buckle 190 on the connecting strap 180 is snapped on the corresponding male buckle 210 one by one, so that the fixing airbag 120 is fixed on the supporting plate 110, so as to fix the laboratory mice, and the quick installation and detachment are facilitated, and the use requirement is met through the connection form of the female buckle 190 and the male buckle 210.

Here, the male buckle 210 may be provided on the connection strap 180, and the female buckle 190 may be provided on the pallet 110.

As an alternative embodiment, the connection strap 180 includes a fixing strap 181 and a detachable strap 182, the fixing strap 181 is fixedly connected to the supporting plate 110, and the fixing strap 181 is connected to one side edge of the fixing airbag 120, the detachable strap 182 is connected to the rest edge of the fixing airbag 120, and the female buttons 190 are all disposed on the detachable strap 182.

In this embodiment, one side edge of the fixed airbag 120 is fixedly connected to the supporting plate 110 through the fixing belt 181, the other edges are detachably connected to the supporting plate 110 through the detachable belt 182, so that the fixed airbag 120 and the supporting plate 110 form a semi-fixed connection structure, before a laboratory mouse is placed, the fixed airbag 120 is turned over to the other side, after the laboratory mouse is placed, the trunk of the laboratory mouse is covered by the fixed airbag 120, and the whole fixed airbag 120 is fastened to the male buckle 210 through the female buckle 190 on the detachable belt 182, so that the operation is convenient and quick, and the fixed airbag 120 can be prevented from being lost by adopting the semi-fixed connection structure.

As an alternative embodiment, one side of the fixed airbag 120 is provided with a first movable port 121, the first movable port 121 is used to pass through the head of the laboratory mouse, the other side of the fixed airbag 120 is provided with a second movable port 122, and the second movable port 122 is used to pass through the tail of the laboratory mouse.

In this embodiment, when fixing the laboratory mouse, the head of the laboratory mouse needs to pass through the first movable opening 121 of the fixing air bag 120, and the tail of the laboratory mouse passes through the second movable opening 122 of the fixing air bag 120, so that the fixing air bag 120 only fixes the trunk of the laboratory mouse.

It should be noted that, the whole appearance of the fixed airbag 120 is in a semi-ellipsoidal shape, the fixed airbag 120 should be fitted to the body of the laboratory rat as much as possible, the fixed airbag 120 arches upward after being inflated, the inner cavity of the fixed airbag 120 is used for filling gas, which is an independent sealed inner cavity, and the first movable port 121 and the second movable port 122 are not communicated with the inner cavity of the fixed airbag 120, so that no air leakage exists.

As an alternative embodiment, the bottom of the supporting plate 110 is provided with a binding band 220 near the through hole 111, and the binding band 220 is used for binding and fixing the limbs of the laboratory mice. After the limbs of the laboratory mice pass through the through holes 111, the limbs of the laboratory mice are bound and fixed by the binding belts 220, and two binding belts 220 can be adopted at each through hole 111, so that the binding is firmer.

As an alternative embodiment, the bottom of the pallet 110 is hinged with at least two support brackets 230 by a damped hinge. The support frame 230 can rotate in the bottom of the supporting plate 110, and when in use, the support frame 230 rotates to a vertical state, so that a certain space is formed below the supporting plate 110, the four limbs of the laboratory mouse are conveniently bound, and under the action of the damping hinge, the support frame 230 can be kept motionless after rotating to a corresponding position, and when not in use, the support frame 230 can be rotated to be close to the supporting plate 110, so that the support frame has the functions of accommodating and folding, and the space occupation is reduced.

As an alternative implementation manner, the bottom of the supporting frame 230 is provided with the sucking discs 240, and the supporting frame 230 can be firmly fixed on the experiment table surface through the sucking discs 240, so that the supporting frame 230 is prevented from shaking due to torsion of an experiment rat.

Working principle: when the experimental mouse is fixed, the experimental mouse is placed on the supporting plate 110, the limbs of the experimental mouse pass through the through holes 111 to extend out of the lower part of the supporting plate 110, then four limbs of the experimental mouse are fixed through the binding belt 220, the fixed air bag 120 is turned over to cover the trunk of the experimental mouse, the head of the experimental mouse passes through the first movable opening 121 of the fixed air bag 120, the tail of the experimental mouse passes through the second movable opening 122 of the fixed air bag 120, then the fixed air bag 120 is fixed on the supporting plate 110 through the cooperation of the female buckle 190 and the male buckle 210 by the fixed air bag 120, and finally the fixed air bag 120 is inflated to a certain degree through the inflation mechanism 130, so that the trunk of the experimental mouse is fixed.

The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the application, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.

Claims (9)

1. The fracture fixing device for the laboratory mice is characterized by comprising a supporting plate, wherein the supporting plate is used for placing the laboratory mice, four through holes are formed in the supporting plate, the four through holes are used for respectively penetrating through four limbs of the laboratory mice, a fixing air bag is arranged on the supporting plate and used for wrapping the trunk of the laboratory mice, and the fracture fixing device further comprises an inflation mechanism used for inflating the fixing air bag;

The inflating mechanism comprises a pressing inflating valve, the pressing inflating valve is connected with an air pipe, the air pipe is connected with an air needle, and an inflating nozzle matched with the air needle is arranged on the fixed air bag.

2. The device for fixing fracture of laboratory mouse according to claim 1, wherein the pressing inflation valve is provided with a first connecting strip, the first connecting strip is connected with a first plug, and the pressing inflation valve is provided with an air inlet nozzle matched with the first plug.

3. The device for fixing fracture of laboratory mouse according to claim 1, wherein a second connecting strip is arranged on the fixing air bag, the second connecting strip is connected with a second plug, and an air leakage nozzle matched with the second plug is arranged on the fixing air bag.

4. The device for fixing fracture of laboratory mouse according to claim 1, wherein a circle of connecting belt is arranged on the outer edge of the bottom of the fixing air bag, a plurality of female buckles are arranged on the connecting belt, and a plurality of male buckles matched with the female buckles are arranged on the supporting plate.

5. The device of claim 4, wherein the connecting band comprises a fixing band fixedly connected to the supporting plate and connected to one side edge of the fixing balloon, and a detachable band connected to the remaining edges of the fixing balloon, and the female buckle is provided on the detachable band.

6. The device for fixing fracture of laboratory mouse according to claim 1, wherein one side of the fixing air bag is provided with a first movable opening, the first movable opening is used for penetrating the head of the laboratory mouse, and the other side of the fixing air bag is provided with a second movable opening, and the second movable opening is used for penetrating the tail of the laboratory mouse.

7. The device for fixing fracture of laboratory mouse according to claim 1, wherein the bottom of the supporting plate is provided with binding bands near the through holes, and the binding bands are used for binding and fixing the limbs of the laboratory mouse.

8. An experimental rat fracture fixation device according to any of claims 1-7, wherein the bottom of the tray is hinged with at least two support frames by means of damped hinges.

9. The device for fixing fracture of laboratory mice according to claim 8, wherein the bottom of the supporting frame is provided with sucking discs.