CN217040416U - Fixing device for blood sampling of mouse eyes - Google Patents

Abstract

The utility model discloses a fixing device is used in blood sampling of mouse eye, including fixer main part, plug-type base, limiting plate and centre gripping subassembly, plug-type base slidable mounting is in the inside of fixer main part for the transport to the mouse, the limiting plate sets up the inside of fixer main part for it is spacing to the neck of mouse, the centre gripping subassembly sets up one side of fixer main part is used for carrying on spacingly to the mouth nose of mouse, the centre gripping subassembly includes spacing post, spacing post sets up in the fixer main part, just the mouth nose clip has been cup jointed to spacing post outer wall. The utility model discloses an above-mentioned device's cooperation is used, with the restriction of mouse health in the inside of fixer main part, makes the mouse head expose out, and then both prevented that the mouse from causing the injury to the human body, still conveniently draws blood to the mouse eye.

Description

Fixing device for blood sampling of mouse eyes

Technical Field

The utility model relates to a test apparatus technical field especially relates to a fixing device is used in blood sampling of mouse eye.

Background

In the basic research of mice as the target, it is often necessary to blood the living mice for dynamic observation of the biochemical indicators or the expression of the related target molecules in the blood, wherein the blood sampling at the canthus is one of the more convenient and more blood sampling methods.

However, during the operation, the blood sampling efficiency is often affected by the mouse with severe resistance, and when the operator is the initial blood sampling person or the operator is slightly careless, the mouse is prone to bite the gloves of the operator, and in serious cases, the hand of the operator is injured. In addition, in order to obtain more blood, the heart of the mouse needs to be pressed, and more operation freedom is particularly important. However, most of mouse fixing devices are mostly used for tail vein blood sampling at present, and the head and the heart of a mouse are both in a wrapping state and are difficult to be used for eye blood sampling. Therefore, a fixing device for collecting blood from mouse eyes is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device is used in blood sampling of mouse eye to the realization both is convenient for get blood to mouse eye, can have certain guard action's function to the operator again.

In order to solve the technical problem, the utility model provides a fixing device is used in blood sampling of mouse eye, including fixer main part, plug-type base, limiting plate and centre gripping subassembly, plug-type base slidable mounting is in the inside of fixer main part for the transport to the mouse, the limiting plate sets up the inside of fixer main part, it is spacing for the neck to the mouse, the centre gripping subassembly sets up one side of fixer main part is used for carrying on spacingly to the mouth nose portion of mouse, the centre gripping subassembly includes spacing post, spacing post sets up in the fixer main part, just the mouth nose clip has been cup jointed to spacing post outer wall.

Furthermore, the limiting column is made of metal.

Furthermore, a sponge is arranged at the joint of the mouth and nose clip and the mouse.

Furthermore, a fixer cover body is inserted into one side of the fixer main body, and a concave cavity matched with the limiting column is formed in the inner wall of the fixer cover body.

Further, the fixer cover body and the fixer main body are both made of transparent materials.

Furthermore, one side that spacing post was kept away from to plug-type base is provided with the closing plate, be provided with the tail hole that is used for the mouse afterbody to pass through on the closing plate.

Furthermore, the outer wall of the obturation plate is provided with a handle which is convenient for pushing the push-pull type base.

Furthermore, the outer wall of the obturation plate is provided with a fixed buckle used for being connected with the push-pull type base.

Further, be provided with the PVC window on the plug-type base, be provided with in the fixer main part with PVC window assorted through-hole, work as when the centre gripping subassembly carries out the centre gripping to the mouse, the PVC window with the through-hole coincidence.

Compared with the prior art, the utility model discloses following beneficial effect has at least:

the utility model discloses send into the mouse through plug-type base earlier inside the fixer main part, then the limiting plate of rethread carries on spacingly to the mouse neck, through the centre gripping subassembly at last, presss from both sides the mouth nose portion of mouse on spacing post, reaches both to reach the convenience and draws blood to the mouse eye, reaches the function to the operator protection again.

Further, through being provided with PVC window and through-hole, and when the centre gripping subassembly carried out the centre gripping to the mouse, the PVC window with the through-hole coincidence, operator's accessible through-hole and PVC window come to the mouse heart position extrusion to promote speed and quantity of drawing blood.

Drawings

Fig. 1 is a schematic view of the whole structure of the fixing device for sampling blood of mouse eyes of the present invention;

FIG. 2 is a top view of the whole structure of the fixing device for sampling blood at mouse eye according to the present invention;

FIG. 3 is a partial top view of the whole structure of the fixing device for sampling blood at mouse eye according to the present invention, wherein the through hole is located at the position of the PVC window;

fig. 4 is a side view of the fixing buckle in the whole structure of the fixing device for sampling blood of mouse eye.

Detailed Description

The fixing device for blood sampling of mouse eye of the present invention will be described in more detail with reference to the schematic drawings, in which preferred embodiments of the present invention are shown, it being understood that those skilled in the art can modify the present invention described herein, while still achieving the advantageous effects of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.

The invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It should be noted that the drawings are in a very simplified form and are not to precise scale, which is only used for the purpose of facilitating and clearly explaining the embodiments of the present invention.

As shown in fig. 1 and fig. 2, the embodiment of the utility model provides a fixing device for blood sampling of mouse eye, including fixer main part 1, plug-type base 2, limiting plate 3 and centre gripping subassembly 4. The push-pull type base 2 is slidably installed inside the fixator main body 1 and used for conveying mice.

The limiting plate 3 is arranged inside the fixator body 1 and used for limiting the neck of a mouse. The head of the mouse is exposed out of the fixer main body 1, so that blood can be conveniently drawn from the eyes of the mouse.

The clamping component 4 is arranged on one side of the fixer main body 1 and used for limiting the mouth and nose of a mouse, the clamping component 4 comprises a limiting column 41, the limiting column 41 is arranged on the fixer main body 1, and the outer wall of the limiting column 41 is sleeved with a mouth and nose clamp 42. The mouth nose clip 42 is used for fixing the mouth nose of the mouse on the limiting column 41, so that the eye of the mouse can be conveniently bled, and the mouse can be prevented from injuring the human body.

Preferably, the limiting column 41 is made of a metal material, so that the mouse is prevented from gnawing the limiting column 41 to cause abrasion of the limiting column 41, and saliva of the mouse on the limiting column 41 is conveniently cleaned.

Furthermore, the joint of the mouth and nose clip 42 and the mouse is provided with sponge, so that the death of the mouse caused by the overlarge clamping force of the mouth and nose clip 42 is prevented.

In order to ensure that the nose and mouth clip 42 is not easy to lose, one side of the fixer main body 1 is inserted with the fixer cover body 5, the inner wall of the fixer cover body 5 is provided with a concave cavity matched with the limiting column 41 to limit the nose and mouth clip 42, and when the nose and mouth clip 42 is not needed to be used, the nose and mouth clip 42 is always positioned on the limiting column 41.

Further, the retainer body 1 and the retainer cover 5 are used in cooperation to form a closed chamber to prevent the neck of the mouse from escaping from the front end of the retainer body 1 when the neck is not fixed.

In order to observe the moving direction of the mouse conveniently, the fixer cover 5 and the fixer main body 1 are both made of transparent materials.

In order to conveniently convey the mouse into the fixer main body 1, one side of the push-pull type base 2 far away from the limiting column 41 is provided with a closing plate 6, the closing plate 6 is provided with a tail hole 61 for the tail of the mouse to pass through, the tail hole 61 is firstly penetrated by the tail of the mouse, the trend of the mouse is controlled by utilizing the characteristic that the mouse can drill holes by fear, and the mouse is enabled to quickly enter the inside of the fixer main body 1.

Further, the outer wall of the obturation plate 6 is provided with a handle 62 which is convenient for pushing the push-pull type base 2.

In order to ensure the fixing effect of the airtight plate 6 and the push-pull base 2, specifically, referring to fig. 4, a fixing buckle 7 for connecting with the push-pull base 2 is arranged on the outer wall of the airtight plate 6, so that the airtight plate 6 and the push-pull base 2 can be conveniently fixed.

Specifically, referring to fig. 3, a PVC window 21 is arranged on the push-pull base 2, a through hole 11 matched with the PVC window 21 is arranged on the fixer main body 1, when the clamping assembly 4 clamps a mouse, the PVC window 21 coincides with the through hole 11, the PVC window 21 is pressed through the through hole 11, the heart of the mouse is pressed, blood circulation is accelerated, and therefore blood sampling rate and blood sampling amount are improved.

To sum up, the utility model provides a fixing device is used in blood sampling of mouse eye, its specific use method:

firstly, the tail of a mouse passes through the tail hole 61, then the tail of the mouse is straightened, and the mouse enters the interior of the fixator main body 1 by utilizing the characteristic that the mouse can drill holes feasibly; then pushing the push-pull type base 2 into the interior of the fixer main body 1, and when the neck of the mouse is positioned below the limiting plate 3, pressing the limiting plate 3 downwards to limit the neck of the mouse; at the moment, the head of the mouse is exposed in the fixer cover body 5, the fixer cover body 5 is pulled out, the mouth nose part of the mouse is clamped on the limiting column 41 by using the mouth nose clamp 42, the mouse is fixed, and the hands of an operator are liberated; and finally, the operator holds the skin of the back of the mouse ear with the left hand, the eyeball on one side protrudes as much as possible, and the blood is collected with the right hand.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. A fixing device for sampling blood of mouse eyes is characterized by comprising a fixer main body, a push-pull type base, a limiting plate and a clamping assembly;

the push-pull type base is slidably arranged in the fixer main body and used for conveying a mouse;

the limiting plate is arranged inside the fixer main body and used for limiting the neck of the mouse;

the clamping assembly is arranged on one side of the fixer main body and is used for limiting the mouth and nose parts of the mouse;

the clamping assembly comprises a limiting column, the limiting column is arranged on the fixer body, and a mouth-nose clamp is sleeved on the outer wall of the limiting column.

2. The fixing device for sampling blood from mouse eyes according to claim 1, wherein said spacer is made of metal.

3. The fixing device for sampling blood from mouse eyes of claim 1, wherein a sponge is arranged at the joint of the mouth nose clip and the mouse.

4. The fixing device for sampling blood from mouse eye according to claim 1, wherein a cover of the fixer is inserted into one side of the fixer body, and a concave cavity matched with the limiting column is formed on the inner wall of the cover of the fixer.

5. The holder for collecting blood from the mouse eye according to claim 4, wherein both of said holder cover and said holder main body are made of a transparent material.

6. The fixing device for collecting blood from mouse eyes as claimed in claim 1, wherein a closing plate is arranged on one side of the push-pull type base far away from the limiting column, and a tail hole for the tail of the mouse to pass through is arranged on the closing plate.

7. The apparatus as claimed in claim 6, wherein the outer wall of the obturation plate is provided with a handle for pushing the push-pull type base.

8. The fixing device for blood sampling of mouse eyes as claimed in claim 6, wherein the outer wall of the obturation plate is provided with a fixing buckle for connecting with the push-pull type base.

9. The fixing device for sampling blood from mouse eye according to claim 1, wherein the push-pull base is provided with a PVC window, the holder body is provided with a through hole matching with the PVC window, and when the clamping assembly clamps the mouse, the PVC window coincides with the through hole.

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