Rat hypodermic injection fixing device

Abstract

The utility model belongs to the technical field of experimental animal fixation, and discloses a rat hypodermic injection fixing device which structurally comprises a shell barrel, a groove for containing a rat is formed in the shell barrel and penetrates through the shell barrel, the top of the groove is open, a barrel inlet is formed in one end of the shell barrel, and a barrel outlet is formed in the other end of the shell barrel. The inlet of the cylinder body is communicated with the groove; the top of the groove is provided with at least two fixing blocks used for fixing a rat. Sliding grooves are formed in the two sides of the groove, and the fixing blocks are arranged in the sliding grooves in a sliding mode. According to the fixing device, by means of the at least two slidable fixing blocks, single-person operation can be achieved, the situation that a mouse is bitten by a mouse and punctured by a needle head in a traditional two-person operation method is avoided, and operation is easy and safer.

Description

TECHNICAL FIELD

[0001] The utility model belongs to experimental animal fixing technical field, concretely speaking, it is a rat subcutaneous injection fixing device. BACKGROUND

[0002] Rat is one of the commonly used experimental animals, and rat subcutaneous injection is one of the animal test administration methods. When performing rat subcutaneous injection, the rat needs to be fixed first, and then the injection operation is performed. In the prior art, the operation of rat subcutaneous injection is mostly completed by two people, one person is responsible for fixing the rat, and the other person is responsible for lifting the subcutaneous position and paying attention to the depth of the needle of the syringe at all times. It is extremely easy to be bitten by the mouse and be pricked by the needle, therefore, designing a rat subcutaneous injection fixing device to improve the operability and safety of rat subcutaneous injection is a problem to be solved at present. UTILITY MODEL CONTENT

[0003] In order to solve the above problems in the prior art, the purpose of the utility model is to provide a rat subcutaneous injection fixing device, which can realize single-person operation of rat subcutaneous injection, is simple to operate and is safer.

[0004] The utility model solves the technical problems by adopting the following technical scheme:

[0005] A rat subcutaneous injection fixing device is provided, which comprises a shell cylinder, a groove for accommodating a rat is arranged on the shell cylinder, the groove penetrates through the shell cylinder and is open at the top, one end of the shell cylinder is provided with a cylinder inlet, and the cylinder inlet is communicated with the groove; at least two fixing blocks for fixing the rat are arranged at the top of the groove.

[0006] Further, the fixing blocks comprise a fixing block one and a fixing block two, the fixing block one and the fixing block two are arranged side by side along the length direction of the groove, and the fixing block two is located at one end close to the cylinder inlet.

[0007] Further, air bags are arranged on both sides of the groove, inflation nozzles are arranged on the shell cylinder corresponding to the air bags, the inflation nozzles are communicated with the corresponding air bags to realize inflation and deflation of the air bags.

[0008] Further, a longitudinal open U-shaped cavity is arranged on one side surface of the fixing block one, a longitudinal threaded pipe is arranged in the U-shaped cavity, a first fixing screw is arranged in the threaded pipe in meshing mode, a first nut is arranged at the top of the first fixing screw, and a soft pad is arranged at the bottom of the first fixing screw.

[0009] The interior of the second fixing block is provided with a conical cavity longitudinally penetrating the second fixing block, the large end of the conical cavity is downward, the small end is provided with a breathable net, a second fixing screw is threadedly connected to the second fixing block, the second fixing screw extends to the interior of the conical cavity through the second fixing block, the top of the second fixing screw is provided with a second nut, and the bottom of the second fixing screw is provided with a soft pad.

[0010] Further, the two sides of the groove are provided with sliding grooves, and the fixing block is slidingly arranged in the sliding grooves.

[0011] Further, the bottom of the shell cylinder is provided with a detachable drawer, the top surface of the drawer is a mesh surface, and the top surface of the drawer constitutes the bottom surface of the groove.

[0012] Further, one side of the shell cylinder is provided with a curved hemostatic forceps.

[0013] Further, the curved hemostatic forceps are connected to the shell cylinder through an elastic rope, one end of the elastic rope is connected to the curved hemostatic forceps, and the other end is fixed to the shell cylinder through a fixing button.

[0014] Further, the side wall of the shell cylinder is provided with a limiting block for accommodating the curved hemostatic forceps, the limiting block comprises two block structures, an interspace for accommodating the curved hemostatic forceps is formed between the two block structures, and restraint ropes are arranged outside the interspace.

[0015] Further, the side wall of the shell cylinder is provided with a disinfection barrel, and the disinfection barrel is provided with disinfection cotton balls.

[0016] Further, a guide plate inclined and opened outward is arranged at the inlet of the cylinder.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. The rat subcutaneous injection fixing device can reliably fix the head and tail of the rat, expose the skin of the neck or back of the rat, enable the operator to smoothly complete the rat subcutaneous injection operation, prevent the traditional two-person operation method from being bitten and injured by the rat and being pricked by the needle, and can realize single-person operation, and the operation is simple and safe.

[0019] 2. The rat subcutaneous injection fixation device of this utility model has a fixation block that is slidably installed in a sliding groove on the outer shell. The position of the fixation block can be reasonably adjusted according to the body length and shape of the rat. At the same time, the fixation block can slide out from the end of the sliding groove, realizing a detachable connection between the fixation block and the outer shell, making it more flexible and convenient to use and more adaptable. Fixation block one and fixation block two fix the rat by screws, which makes it easy to adjust the tightness and ensures reliable fixation. Fixation block two is provided with a conical cavity to accommodate the rat's head, which can fix the rat's head more firmly, and the setting of the ventilation net prevents the rat from suffocating. The bottom of the first fixation screw and the second fixation screw is provided with a soft pad. When fixing the rat, the rat comes into contact with the soft pad, avoiding damage to the rat and reducing the rat's stress response.

[0020] 3. The rat subcutaneous injection fixation device of this utility model has a detachable pull-out box at the bottom of the outer shell. The top surface of the pull-out box is a mesh surface, which can collect the feces and urine produced by the rat during stress, making it easy to clean.

[0021] 4. The rat subcutaneous injection fixation device of this utility model is equipped with a bent hemostat on the outer shell to assist the operator in exposing the skin of the rat's neck or back, which facilitates operation; the bent hemostat is connected to the outer shell by an elastic cord, which can extend and retract to improve operability; and a limiting block is provided to accommodate the bent hemostat, which facilitates the stable placement of the bent hemostat.

[0022] 5. The rat subcutaneous injection fixation device of this utility model is equipped with a disinfection bucket and disinfectant cotton balls. During the operation, the disinfectant cotton balls can be used to disinfect the rat according to the skin condition of the neck or back, thus ensuring the safety and hygiene of the experiment.

[0023] 6. The rat subcutaneous injection fixation device of this utility model has a guide plate that opens outward at the inlet of the cylinder. When the rat is placed into the groove on the outer shell, the guide plate plays a guiding role, making the operation more convenient.

[0024] 7. The rat subcutaneous injection fixation device of this utility model has air bladders on both sides of the groove, and each air bladder has an inflation nozzle. In use, the inflation nozzle is connected to an air source, and the size of the air bladder is adjusted by inflating and deflating the air. This not only fixes the rat more reliably and prevents the rat from moving around and affecting the tightness of the skin on its back, but also reduces the rat's stress response by allowing its body to come into contact with the soft air bladder. Attached Figure Description

[0025] Other features, objects, and advantages of this application will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0026] Figure 1It is the structure schematic view of the embodiment of the utility model as a whole;

[0027] Figure 2 It is the structure schematic view of the fixed block one of the embodiment of the utility model.

[0028] Figure 3 It is the structure schematic view of the fixed block two of the embodiment of the utility model.

[0029] In the drawing: 1 fixed block one, 1-1 first fixed screw rod, 1-2 threaded pipe, 1-3 U-shaped cavity, 1-4 first nut, 2 fixed block two, 2-1 second fixed screw rod, 2-2 air permeable net, 2-3 conical cavity, 2-4 second nut, 3 shell cylinder, 4 guide plate, 5 netted surface, 6 pull-out box, 7 elbow hemostatic forceps, 8 limit block, 9 elastic rope, 10 fixed knob, 11 disinfection barrel, 12 recess, 13 sliding groove, 14 air bag, 15 inflation nozzle, 16 soft pad. DETAILED DESCRIPTION

[0030] The technical scheme of the utility model will be described clearly and completely below in combination with the drawings, and obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments.

[0031] The components of the embodiments of the utility model generally described and shown in the drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model.

[0032] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0033] In the description of the utility model, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it needs to be explained that, unless there is definite stipulation and limitation, the term "installation", "connection" should be broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. In addition, it should be noted that, for convenience of description, only parts related to the utility model are shown in the drawings.

[0036] Embodiment one:

[0037] As shown in Figure 1 The present embodiment provides a rat subcutaneous injection fixing device, which comprises a shell cylinder 3, the shell cylinder 3 is provided with a groove 12 accommodating rats, the groove 12 penetrates the shell cylinder 3 and the top is open type, one end of the shell cylinder 3 is provided with a cylinder inlet, and the cylinder inlet is communicated with the groove 12;The top of the groove 12 is provided with at least two fixing blocks for fixing rats.

[0038] Generally, two fixing blocks are provided, which respectively fix the head and tail of the rat, in some special cases, the operator can increase the number of fixing blocks according to actual needs, and in order to use reliability, it is generally not recommended to reduce the number of fixing blocks.

[0039] In the embodiment, two fixing blocks are provided, which are fixing block one 1 and fixing block two 2, and the fixing block one 1 and the fixing block two 2 are arranged side by side along the length direction of the groove 12, when in use, the fixing block one 1 and the fixing block two 2 respectively fix the head and tail of the rat, expose the skin at the neck or back of the rat, so that the operator can smoothly complete the rat subcutaneous injection operation, prevent the traditional two-person operation method from being bitten and stabbed by the needle, and can realize single-person operation, which is simple and safe to operate.

[0040] Specifically, in the embodiment, the structure of the fixing block one 1 is as shown in Figure 2As shown, a longitudinally open U-shaped cavity 1-3 is provided on one side of the fixing block 1. A longitudinally threaded tube 1-2 is provided inside the U-shaped cavity 1-3. A first fixing screw 1-1 is engaged within the threaded tube 1-2. A first nut 1-4 is provided at the top of the first fixing screw 1-1, and a soft pad is provided at the bottom of the first fixing screw 1-1. The fixing block 1-1 is used to fix the rat's tail, which is located at the bottom end of the U-shaped cavity 1-3. The first fixing screw 1-1 is then engaged within the threaded tube 1-2 and tightened, completely fixing the rat's tail to the bottom end of the U-shaped cavity 1-3, preventing the tail from swinging erratically. The first nut 1-4 is fixed to the top of the first fixing screw 1-1, forming the screw head of the first fixing screw 1-1, facilitating the tightening of the first fixing screw 1-1.

[0041] The structure of fixed block 2 is as follows Figure 3 As shown, the interior of fixing block 2 has a conical cavity 2-3 that runs longitudinally through it. The larger end of the conical cavity 2-3 faces downwards, and a ventilated mesh 2-2 is provided at the smaller end. A second fixing screw 2-1 is threaded onto fixing block 2, extending through fixing block 2 into the interior of the conical cavity 2-3. A second nut 2-4 is provided at the top of the second fixing screw 2-1, and a soft pad is provided at the bottom. Fixing block 2 is located at the end near the cylinder inlet and is used to fix the rat's head. The rat's head is placed inside the conical cavity 2-3, and then the second fixing screw 2-1 is tightened for fixation. The ventilated mesh 2-2 prevents the rat from suffocating. The second nut 2-4 is fixed to the top of the second fixing screw 2-1, forming the screw head of the second fixing screw 2-1, which facilitates the tightening of the second fixing screw 2-1.

[0042] Both the bottom of the first fixing screw 1-1 and the second fixing screw 2-1 are equipped with soft pads. When fixing the rat, the rat comes into contact with the soft pads, avoiding injury and reducing stress. The soft pads can be soft rubber pads, cotton pads, or cloth pads, etc., designed to improve the comfort of the rat during the fixing process and avoid causing harm to the rat.

[0043] Preferably, the bottom surface of the pad has multiple evenly distributed raised particles, which serve to prevent slipping and wear, and provide better fit when in contact with the rat, thus preventing slipping.

[0044] Example 2:

[0045] The features that are the same as those in Embodiment 1 will not be repeated here. The features that are different from those in Embodiment 1 are: in this embodiment, sliding grooves 13 are provided on both sides of the groove 12, and the fixing block is slidably disposed in the sliding grooves 13.

[0046] In this embodiment, the fixed block one 1 and the fixed block two 2 are slidably arranged on the shell cylinder 3, and the position of the fixed block can be reasonably adjusted according to the body length of the rat. At the same time, the fixed block can be slid out of the end of the sliding groove 13 to realize the detachable connection of the fixed block and the shell cylinder, which is more flexible and convenient to use and has better adaptability.

[0047] Embodiment three:

[0048] The same features of this embodiment as the foregoing embodiments will not be described again. The different features of this embodiment from the foregoing embodiments are that in this embodiment, the bottom of the shell cylinder 3 is provided with a detachable drawer box 6, the top surface of the drawer box 6 is a mesh surface 5, and the top surface of the drawer box 6 constitutes the bottom surface of the groove 12.

[0049] In this embodiment, the drawer box 6 with the mesh surface 5 can collect the feces and urine generated by the rat under stress, which is convenient for cleaning. The mesh surface 5 can be composed of a stainless steel mesh.

[0050] Embodiment four:

[0051] The same features of this embodiment as the foregoing embodiments will not be described again. The different features of this embodiment from the foregoing embodiments are that in this embodiment, one side of the shell cylinder 3 is provided with an elbow hemostat 7, which can be made of stainless steel. The elbow hemostat 7 is connected to the shell cylinder 3 through a elastic rope 9, one end of the elastic rope 9 is connected to the elbow hemostat 7, and the other end is fixed to the shell cylinder 3 through a fixing button 10. The fixing button 10 is a round cap screw or a rivet, which nails one end of the elastic rope 9 to the side wall of the shell cylinder 3.

[0052] In this embodiment, the elbow hemostat 7 is configured, which is used to expose the skin of the rat's neck or back or the skin of the rat's back for the operator, which is convenient for operation. The elbow hemostat 7 is connected to the shell cylinder 3 through the elastic rope 9, and the elastic rope 9 can be stretched and contracted to improve the operability.

[0053] In order to stably place the elbow hemostat 7, a limiting block 8 for accommodating the elbow hemostat 7 is arranged on the side wall of the shell cylinder 3. The limiting block 8 includes two block structures, and an interspace for accommodating the elbow hemostat 7 is formed between the two block structures. A restraint rope is arranged outside the interspace. The elbow hemostat 7 is placed between the two block structures, and the restraint rope can prevent it from falling off.

[0054] Embodiment five:

[0055] The same features of this embodiment as the foregoing embodiments will not be described again. The different features of this embodiment from the foregoing embodiments are that in this embodiment, a disinfection barrel 11 is arranged on the side wall of the shell cylinder 3, and disinfection cotton balls are arranged in the disinfection barrel 11.

[0056] The disinfection barrel 11 can be a stainless steel barrel, and the disinfection cotton balls are placed in the disinfection barrel 11, and during operation, the disinfection cotton balls can be used to disinfect the skin on the neck or back of the rat according to the state of the skin, so as to provide protection for the safety and health of the test.

[0057] Preferably, in the above embodiment, a guide plate 4 is arranged at the inlet of the barrel body and is inclined outward.

[0058] In the specific operation, the fixed block one 1 is placed in the sliding groove 13 on the groove 12, the direction of the rat tail is close to the inlet of the barrel body, the operator holds the rat tail root, and the direction of the rat tail is pulled to the open groove 12 from the right side of the rat head to the left side of the rat tail. Figure 1 The first fixing screw 1-1 in the fixed block one 1 is adjusted, the tail is appropriately fixed, then the fixed block two 2 is placed in the sliding groove 13 on the groove 12, the positions of the fixed block one 1 and the fixed block two 2 are reasonably adjusted according to the shape of the rat body, the skin on the neck or back of the rat is extruded or exposed by means of the curved hemostatic forceps 7 (placed in the middle of the limiting block 8 with the cross-shaped restraint rope) assisted by the elastic rope 9, at this time, the disinfection cotton balls in the disinfection barrel 11 can be used to disinfect the skin on the neck or back of the rat according to the state of the skin, and the prepared syringe with liquid medicine is horizontally or angularly injected.

[0059] In addition, in the above embodiment, air bags 14 can also be arranged on both sides of the groove 12, and the shell barrel 3 is provided with inflation mouths 15 corresponding to the air bags 14, and the inflation mouths 15 are communicated with the corresponding air bags 14 to realize the inflation and deflation of the air bags 14. When in use, the inflation mouths 15 are connected with the air source, and the size of the air bags 14 is adjusted by inflation and deflation, which not only can more reliably fix the rat and prevent the rat from moving around to affect the tightness of the back skin, but also can reduce the stress reaction of the rat by contacting the soft air bags 14.

[0060] The fixing device of the utility model example can be operated by one person with the help of two fixed blocks, can prevent the traditional two-person operation method from being bitten by the mouse and being pricked by the needle, and is simple and safe to operate.

[0061] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. The utility model range involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and also covers other technical solutions formed by the combination of the above technical features or equivalent features without departing from the utility model concept. The above features can be replaced with the technical features disclosed in the present application (but not limited to) with similar functions to form technical solutions.

[0062] In addition to the technical features described in the specification, the remaining technical features are known to those skilled in the art, and the remaining technical features are not described here in order to highlight the innovative features of the utility model.

Claims

1. A rat subcutaneous injection fixation device, characterized by, The utility model provides a rat cage, including shell cylinder (3), be provided with the recess (12) of containing rat on shell cylinder (3), the recess (12) is through shell cylinder (3) and the top is open, one end of shell cylinder (3) is provided with cylinder entrance, and cylinder entrance communicates with recess (12), the top of recess (12) is provided with fixed block one (1) and fixed block two (2), and fixed block one (1) and fixed block two (2) are parallelly arranged along the length direction of recess (12), and fixed block two (2) is located one end close to cylinder entrance.

2. The rat subcutaneous injection immobilization device of claim 1, wherein, Both sides of recess (12) are provided with air bag (14) respectively, and shell cylinder (3) is provided with inflation mouth (15) corresponding to air bag (14) respectively, inflation mouth (15) communicates with corresponding air bag (14) to realize the inflation and deflation of air bag (14).

3. The rat subcutaneous injection immobilization device of claim 2, wherein, The side surface of fixed block one (1) is provided with longitudinal open U-shaped cavity (1-3), the inside of U-shaped cavity (1-3) is provided with longitudinal screw pipe (1-2), the inside of screw pipe (1-2) is provided with first fixed screw (1-1), the top of first fixed screw (1-1) is provided with first nut (1-4), and the bottom of first fixed screw (1-1) is provided with soft pad (16). The inside of fixed block two (2) is provided with conical cavity (2-3) that longitudinally penetrates fixed block two (2), the large end of conical cavity (2-3) is downward, and the small end is provided with air-permeable net (2-2), and second fixed screw (2-1) is screw-connected on fixed block two (2), second fixed screw (2-1) extends to the inside of conical cavity (2-3) by penetrating fixed block two (2), the top of second fixed screw (2-1) is provided with second nut (2-4), and the bottom of second fixed screw (2-1) is provided with soft pad (16).

4. The rat subcutaneous injection immobilization device of any one of claims 1-3, wherein, Both sides of recess (12) are provided with sliding groove (13), and fixed block is slidably arranged in sliding groove (13).

5. The rat subcutaneous injection immobilization device of claim 1, wherein, The bottom of shell cylinder (3) is provided with detachable pull-out box (6), the top surface of pull-out box (6) is mesh surface (5), and the top surface of pull-out box (6) constitutes the bottom surface of recess (12).

6. The rat subcutaneous injection immobilization device of claim 1, wherein, One side of shell cylinder (3) is provided with elbow hemostatic forceps (7).

7. The rat subcutaneous injection immobilization device of claim 6, wherein, The elbow hemostatic forceps (7) are connected to shell cylinder (3) through elastic rope (9), one end of elastic rope (9) is connected to elbow hemostatic forceps (7), and the other end is fixed to shell cylinder (3) through fixing knob (10).

8. The rat subcutaneous injection immobilization device of claim 6 or 7, wherein, The side wall of shell cylinder (3) is provided with limiting block (8) for accommodating elbow hemostatic forceps (7), the limiting block (8) includes two block structures, and a gap for accommodating elbow hemostatic forceps (7) is formed between the two block structures, and the outside of the gap is provided with restraint rope.

9. The rat subcutaneous injection immobilization device of claim 1, wherein, The side wall of shell cylinder (3) is provided with disinfection barrel (11), and disinfection cotton ball is arranged in disinfection barrel (11).

10. The rat subcutaneous injection immobilization device of claim 1, wherein, The cylinder entrance is provided with guide plate (4) that is inclined and opened outward.

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