CN219782815U - Rat tail vein operation device - Google Patents

Abstract

The utility model relates to the field of biomedical experimental equipment, and specifically provides a rat tail vein operating device, which includes a base, a rat body fixed barrel, a workbench and a rat head baffle. The base is provided with a U-shaped groove; the rat body fixed barrel is rotated and installed On the U-shaped groove, the top opening of the rat body fixed cylinder is set, and the side wall of the rat body fixed cylinder is provided with a notch along the axial direction. One end of the notch extends to the top of the rat body fixed cylinder, and the other end extends to the rat body fixed cylinder. The center position of the bottom; the workbench is installed on one side of the base, and a rat tail placement slot is provided above the workbench corresponding to the notch; the rat head baffle can be detachably installed on the open end of the rat body fixed barrel. The design of this structure facilitates rat tail vein operation.

Description

A kind of mouse tail vein operating device

Technical field

The utility model relates to the field of biomedical experimental equipment, in particular to a rat tail vein operating device.

Background technique

Mouse tail vein operation is a very important experimental technique in biological experiments, and plays an irreplaceable role in experiments such as intravenous drug administration in mice. Because the rat tail vein is very slender and difficult to observe, the injection operation is very difficult; the existing rat tail vein operation usually involves the experimenter grabbing the rat with bare hands for injection, or using tape, tape, etc. to fix the rat on the workbench. injection. The working efficiency of the above method is low. The mice are prone to struggle, which may lead to failure of the mouse tail vein operation. Moreover, during the mouse tail vein operation, the excrement produced by the mice due to stimulation can easily contaminate the workbench.

Utility model content

The purpose of this utility model is to solve at least one technical problem in the background art and provide a rat tail vein operating device.

In order to achieve the above-mentioned purpose of the utility model, the utility model provides a rat tail vein operating device, which includes:

A base, which is provided with a U-shaped groove;

Rat body fixed cylinder, the rat body fixed cylinder is rotatably installed on the U-shaped groove, the top opening of the rat body fixed cylinder is provided, and the side wall of the rat body fixed cylinder is provided with a notch along the axial direction, so One end of the notch extends to the top of the rat body fixing cylinder, and the other end extends to the center of the bottom of the rat body fixing cylinder;

A workbench, the workbench is installed on one side of the base, and a rat tail placement slot is provided above the workbench corresponding to the notch;

The rat head baffle is detachably installed on the open end of the rat body fixed barrel.

According to one aspect of the present invention, a trumpet-shaped opening is provided at the open end of the rat body fixing tube.

According to one aspect of the present utility model, n ribs are evenly arranged on the inner wall of the rat body fixed cylinder along the circumferential direction, where 3≤n≤8.

According to one aspect of the present invention, the rib is a structure made of elastic material.

According to one aspect of the present utility model, it is characterized in that the base and the rat body fixing cylinder are structures made of magnetic materials.

According to one aspect of the present invention, the rat tail placement slot is a structure made of transparent material.

According to one aspect of the present utility model, the workbench includes an LED light bar, a brightness adjustment switch and a power connector. The LED light bar is installed below the rat tail placement slot, and the brightness adjustment switch is installed on the workbench. one side of the workbench and is electrically connected to the LED light bar. The power connector is installed on the workbench and is electrically connected to the LED light bar.

According to one aspect of the present invention, m vent holes are provided in the circumferential direction on the rat head baffle, where m>1.

According to one aspect of the present utility model, the rat head baffle is threadedly connected to the rat body fixed barrel. The rat tail vein operating device also includes a control box, a telescopic shaft, a driving shaft and a control knob. The control box is installed on At one end of the base, the telescopic shaft is slidably mounted on the control box in the horizontal direction, the drive shaft is rotatably mounted on the control box in the horizontal direction, and the drive shaft is perpendicular to the telescopic shaft. , a rack is fixedly provided on the telescopic shaft, a gear is provided on the drive shaft, the gear meshes with the rack, and the control knob is installed on the drive shaft.

According to one aspect of the present utility model, the rat tail vein operating device also includes a control box (410), a telescopic shaft (420) and a screw (450). The telescopic shaft (420) is slidably installed in the control box in the horizontal direction. On the box (410), the screw (450) is threadedly connected to the control box (410). One end of the screw (450) abuts the telescopic shaft (420), and the other end is provided with a paddle (451 ).

According to the solution of the present utility model, the rat body fixed barrel is rotatably installed in the U-shaped groove on the base. The rotary installation method facilitates the rotation of the rat body fixed barrel when operating the rat tail vein, and then the veins on both sides or the upper part of the rat tail are Carry out the injection; the rat tail passes through the bottom of the rat body fixed cylinder and is placed in the placement groove on the workbench. The top of the rat body fixed cylinder is equipped with a rat head baffle; because mice are sensitive by nature, the rat body fixed cylinder is used to fix the mouse. The airtight fixation method can improve the sense of security of the mice and prevent them from struggling fiercely during the test. A mouse head baffle is provided on the top of the mouse body fixed cylinder to confine the mouse inside the mouse body fixed cylinder, avoiding damage to the mouse caused by conventional methods such as using human hands to hold the mouse down or using tape to stick the mouse to the test bench.

According to the solution of the present utility model, the side wall of the rat body fixed cylinder is provided with a notch along the axial direction, and the width of the notch is greater than the diameter of the rat tail. When using the device, the tester holds the rat tail in his hand, and the rat tail passes through the notch and passes through the notch. The top of the rat body fixing cylinder moves to the bottom, and at the same time, the mouse enters the inside of the rat body fixing cylinder under the traction of the rat tail. With the design of this structure, it is very convenient and quick to fix the mouse, which greatly reduces the time of fixing the mouse and improves the work. efficiency.

According to the solution of the present utility model, the rat is placed inside the sealed rat body fixed cylinder. When the rat tail is operated on the rat tail vein, the excrement that the rat may produce can be stored inside the rat body fixed cylinder to avoid contamination of the rat's excrement. The work surface is large, and the cylindrical rat body fixing barrel is easy to clean or replace after use, making it very convenient to use.

According to the solution of the present invention, the open end of the rat body fixing tube is provided with a trumpet-shaped opening. By providing the trumpet-shaped opening, the rat can be easily pulled into the inside of the rat body fixing tube; and in the process of the mouse entering the rat body fixing tube, Through the inclined plane of the trumpet-shaped opening, the mouse can maintain a relatively normal posture and enter the mouse body fixing tube to avoid damaging the mouse during the pulling process.

According to the solution of the present utility model, the inner wall of the rat body fixing cylinder is evenly provided with ribs along the circumferential direction. The ribs can fix the mouse placed in the rat body fixing cylinder. When the mouse body fixing cylinder is rotated, the mouse and the mouse body fixing cylinder They can rotate together to prevent the rat from struggling to maintain its body balance when the rat body fixed cylinder is rotating.

According to the solution of the present invention, the ribs are made of elastic materials. When the rat body fixing cylinder rotates, the ribs made of elastic materials can protect the rats. And it can accommodate various mice with little difference in body size.

According to the solution of the present utility model, the base and the rat body fixing cylinder are made of magnetic materials. The base can absorb the rat body fixing cylinder, which is very convenient to install/disassemble. When the tail median vein injection or sampling fails, the rat body can be rotated and fixed. After the tube, remove the veins on both sides of the mouse's tail at the 2 o'clock and 10 o'clock directions. In this embodiment, magnetic materials are used to make the base and the rat body fixing cylinder, which facilitates the operation of the veins on both sides of the mouse tail after rotating the rat body fixing cylinder.

According to the solution of the present invention, the rat tail placement groove is made of transparent material, and an LED light bar is provided below the rat tail placement groove. The LED light bar can provide a light source to facilitate the experimenter to find the veins of the mouse. Moreover, a brightness adjustment switch is provided. The brightness adjustment switch is electrically connected to the LED light bar. The brightness adjustment switch can adjust the brightness of the LED light bar, so that different intensity of light can be used for mice of different colors.

According to the solution of the present invention, a vent hole is provided on the rat head baffle. After the rat head baffle closes the rat body fixing cylinder, the vent hole is provided on the rat head baffle to prevent the mouse from suffocating, and through the vent hole experiment Personnel can observe the status of mice in real time.

Description of the drawings

Figure 1 is a structural schematic diagram of the utility model;

Figure 2 is a structural schematic diagram of a mouse body fixing cylinder equipped with a mouse according to the present invention;

Figure 3 is a structural schematic diagram of the rat body fixing cylinder of the present invention;

Figure 4 is a structural schematic diagram of the workbench of the present invention;

Figure 5 is a schematic structural diagram of the rat head baffle and control box of the present utility model;

Figure 6 is another structural schematic diagram of the rat head baffle and control box of the present invention;

In the picture: 100-base, 101-U-shaped groove;

200-rat body fixed barrel, 201-notch, 202-flare-shaped opening, 210-rib;

300-workbench, 310-rat tail placement slot, 320-LED light bar, 330-brightness adjustment switch, 340-power connector;

400-mouse head baffle, 401-ventilation hole, 410-control box, 420-telescopic shaft, 421-rack, 430-driving shaft, 431-gear, 440-control knob, 450-screw, 451-paddle.

Detailed ways

The invention will now be discussed with reference to exemplary embodiments. It should be understood that the embodiments discussed are merely to enable those of ordinary skill in the art to better understand and thus implement the contents of the present invention, and do not imply any limitation on the scope of the present invention.

As used herein, the term "includes" and variations thereof are to be read as an open-ended term meaning "including, but not limited to." The term "based on" is to be read as "based at least in part on." The terms "one embodiment" and "an embodiment" are to be read as "at least one embodiment."

Figure 1 schematically shows a structural diagram of the present utility model. As shown in Figure 1, this embodiment discloses a rat tail vein operating device provided by the utility model, which includes a base 100, a rat body fixed cylinder 200, a workbench 300 and a rat head baffle 400, wherein the base 100 is provided with There is a U-shaped groove 101; the rat body fixed cylinder 200 is rotatably installed on the U-shaped groove 101. The top opening of the rat body fixed cylinder 200 is provided. The side wall of the rat body fixed cylinder 200 is provided with a notch 201 along the axial direction. The notch 201 One end extends to the top of the rat body fixed tube 200, and the other end extends to the center of the bottom of the rat body fixed tube 200; the workbench 300 is installed on one side of the base 100, and a rat tail is provided above the workbench 300 corresponding to the notch 201. Groove 310; the rat head baffle 400 can be detachably installed on the open end of the rat body fixed barrel 200. When working, the experimenter holds the rat tail and puts the rat in from the open end of the rat body fixing tube 200. The rat tail enters into the bottom of the rat body fixing tube 200 through the notch 201 on the side wall of the rat body fixing tube 200. central position, and at the same time, the mouse enters the inside of the mouse body fixing tube 200 under the traction of the mouse tail. Using the design of this structure, it is very convenient and quick to fix the mouse, which greatly reduces the time of fixing the mouse, improves the work efficiency, and further, The rat tail was placed on the placement slot and the experiment was conducted. Through the arrangement of this structure, the rat body fixing cylinder 200 is rotatably installed in the U-shaped groove 101 on the base 100. The rotational installation method facilitates the rotation of the rat body fixing cylinder 200 during the operation of the rat tail vein, and then the two sides of the rat tail or The upper vein is injected; the rat tail passes through the bottom of the rat body fixed cylinder 200 and is placed in the placement groove on the workbench 300. The top of the rat body fixed cylinder 200 is provided with a rat head baffle 400; because mice are sensitive by nature, the rat body is used The relatively airtight fixing method of fixing the mouse with the fixed cylinder 200 can improve the sense of security of the mouse and prevent the mouse from struggling fiercely during the test. A mouse head baffle 400 is provided on the top of the mouse body fixed cylinder 200 to confine the mouse inside the mouse body fixed cylinder 200, thereby avoiding damage to the mouse caused by conventional methods such as holding the mouse down with human hands or using tape to stick the mouse to the test bench. Furthermore, the rat is placed inside the sealed rat body fixation cylinder 200. When the rat tail is operated on the rat tail vein, the excrement that the rat may produce can be stored inside the rat body fixation tube 200 to prevent the rat's excrement from contaminating the workbench. 300, and the cylindrical rat body fixing cylinder 200 is easy to clean or replace after use, and is very convenient to use.

In some embodiments of the present invention, as shown in Figures 2 and 3, the open end of the rat body fixing barrel 200 is provided with a trumpet-shaped opening 202. The open end of the mouse body fixing cylinder 200 is provided with a trumpet-shaped opening 202. By setting the trumpet-shaped opening 202, it is convenient to draw the mouse into the mouse body fixing cylinder 200; and in the process of the mouse entering the mouse body fixing cylinder 200, The inclined surface of the trumpet-shaped opening 202 allows the mouse to maintain a relatively normal posture and enter the mouse body fixing tube 200, thereby avoiding damage to the mouse during the pulling process.

In some embodiments of the present invention, as shown in Figure 3, n ribs 210 are evenly provided on the inner wall of the rat body fixing cylinder 200 along the circumferential direction, where 3≤n≤8. The inner wall of the rat body fixed cylinder 200 is evenly provided with ribs 210 along the circumferential direction. The ribs 210 can fix the mouse placed in the rat body fixed cylinder 200. When the rat body fixed cylinder 200 is rotated, the mouse and the mouse body fixed cylinder 200 can Rotate together to prevent the rat from struggling to maintain the balance of the body when the rat body fixed cylinder 200 rotates. Specifically, in this embodiment, the number of ribs 210 is set to six. Six ribs 210 facilitate manufacturing. The spacing between the ribs 210 is appropriate and facilitates cleaning of the internal space of the rat body fixing cylinder 200.

In some embodiments of the present invention, as shown in FIG. 3 , the ribs 210 are structures made of elastic materials. The ribs 210 are made of elastic material. When the rat body fixing tube 200 rotates, the ribs 210 made of elastic material can protect the rat. In this embodiment, the ribs 210 can adopt a structure made of TPEE, TPU or TPV. The ribs 210 made of TPEE material have elasticity and strength between rubber and plastic, and TPEE has excellent heat resistance. When cleaning the rat body fixing cylinder 200, high temperature can be used for sterilization without damaging the structure of the ribs 210; the ribs 210 made of TPU material have excellent wear resistance, toughness and high elasticity, which can improve the performance of the rat body fixing cylinder. 200 interior rat safe. The rib 210 made of TPV material has the characteristics of chemical resistance, oil resistance, radiation resistance, oxygen resistance, ozone resistance, fatigue resistance and vibration resistance, and has relatively high heat resistance. It is molded and Processing costs are low. In addition, the ribs 210 can also adopt an inflatable structure. The inflatable structure can protect the mouse placed in the mouse body fixing tube 200 to the greatest extent, and can accommodate various mice with little difference in body size.

In some embodiments of the present invention, the base 100 and the rat body fixing cylinder 200 are structures made of magnetic materials. Specifically, the base 100 is provided with a U-shaped groove 101, and the rat body fixed cylinder 200 is rotatably installed on the U-shaped groove 101. The mouse is placed in the rat body fixed cylinder 200. During use, the experimenter can take the rat body fixed cylinder 200 and the mouse, and place the mouse into the mouse body fixed cylinder 200, and further place the mouse body fixed cylinder 200 on the base 100. Since the base 100 and the mouse body fixed cylinder 200 are both made of magnetic materials, the base 100 The mouse body fixed cylinder 200 can be adsorbed. When the injection or sampling of the median tail vein fails, the mouse body fixed cylinder can be rotated to remove the veins on both sides of the mouse tail in the 2 o'clock and 10 o'clock directions. In this embodiment, magnetic materials are used to make the base and the rat body fixing cylinder, which facilitates the operation of the veins on both sides of the mouse tail after rotating the rat body fixing cylinder.

In some embodiments of the present invention, the rat tail placement slot 310 is a structure made of transparent material.

In some embodiments of the present invention, as shown in Figure 4, the workbench 300 includes an LED light bar 320, a brightness adjustment switch 330 and a power connector 340. The LED light bar 320 is installed below the rat tail placement slot 310, and the brightness adjustment switch 330 is installed on one side of the workbench 300 and is electrically connected to the LED light bar 320. The power connector 340 is installed on the workbench 300 and is electrically connected to the LED light bar 320.

Specifically, as shown in Figure 4, the workbench 300 includes a rat tail placement slot 310, an LED light bar 320, a brightness adjustment switch 330 and a power connector 340. The rat tail placement slot 310 is a structure made of transparent material, and the LED light bar 320 is installed below the rat tail placement slot 310, and the LED light bar 320 can provide a light source to facilitate the experimenter to find the veins of the rat. And a brightness adjustment switch 330 is provided. The brightness adjustment switch 330 is provided with a plurality of brightness gears. The brightness adjustment switch 330 is electrically connected to the LED light bar 320. The brightness adjustment switch 330 can adjust the brightness of the LED light bar 320 to facilitate responding to mice of different colors. Use different intensities of light. Specifically, in this embodiment, the brightness adjustment switch 330 is provided with two levels of light, wherein high-brightness light corresponds to darker mice, such as black mice, and low-brightness light corresponds to lighter-colored mice, such as white mice or gray mice. mouse. The workbench 300 is also provided with a power connector 340. In this embodiment, the power connector 340 is a USB interface. The USB interface can be directly connected to a mobile power supply, or connected to a household plug-in board through a power adapter, which improves the practicality of the device. .

In some embodiments of the present invention, the rat head baffle 400 is provided with m ventilation holes 401 along the circumferential direction, where m>1. After the rat head baffle 400 closes the rat body fixing cylinder 200, the vent hole 401 provided on the rat head baffle 400 can prevent the rat from suffocating, and the experimenter can observe the rat's condition in real time through the vent hole 401.

In some embodiments of the present invention, the rat head baffle 400 is threadedly connected to the rat body fixing barrel 200 . In this embodiment, the rat is placed on the rat body fixing tube 200 and then the rat head baffle 400 is fixed on the rat body fixing tube 200 through a threaded structure. The structure is simple and easy to use. As shown in Figure 5, the rat tail vein operating device also includes a control box 410, a telescopic shaft 420, a drive shaft 430 and a control knob 440. The control box 410 is installed at one end of the base 100, and the telescopic shaft 420 is slidably installed on the control panel in the horizontal direction. On the box 410, the drive shaft 430 is installed on the control box 410 to rotate in the horizontal direction. The drive shaft 430 is perpendicular to the telescopic shaft 420. The telescopic shaft 420 is fixedly provided with a rack 421. The drive shaft 430 is provided with a gear 431. The gear 431 Engaging the rack 421, the control knob 440 is mounted on the drive shaft 430. When in use, the control knob 440 is turned, and the control knob 440 drives the drive shaft 430 to rotate. The drive shaft 430 drives the gear 431 to rotate. The gear 431 drives the rack 421 to move forward and backward, which further drives the telescopic shaft 420 to move forward and backward. The rat head baffle 400 is installed on One end of the telescopic shaft 420. When the telescopic shaft 420 moves forward and backward, the rat head baffle 400 can approach or move away from the rat body fixed tube 200.

In some embodiments of the present invention, as shown in Figure 6, the rat tail vein operating device also includes a control box 410, a telescopic shaft 420 and a screw 450. The telescopic shaft 420 is slidably installed on the control box 410 in the horizontal direction, and the screw 450 is threaded on the control box 410. One end of the screw 450 is in contact with the telescopic shaft 420, and the other end is provided with a paddle 451. In this embodiment, the user rotates the paddle 451 to rotate the screw 450. Further, Make the tail end of the screw 450 contact the telescopic shaft 420 to fix the telescopic shaft 420. In this embodiment, by rotating the paddle 451 at an angle less than 45 degrees, the telescopic shaft 420 can be fixed or unlocked, which is convenient and practical, and adopts The structure of this embodiment is simple, greatly saves manufacturing costs, and is easy to repair and replace.

Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present utility model has been described in detail through the above preferred embodiments, those skilled in the art should understand that it can be implemented in the form Various changes can be made in the design and details without departing from the scope of the invention as defined by the claims.

Claims (10)

1. A tail vein operation device, comprising:

the base is provided with a U-shaped groove;

the mouse body fixing cylinder is rotatably arranged on the U-shaped groove, the top opening of the mouse body fixing cylinder is provided with a notch along the axial direction on the side wall of the mouse body fixing cylinder, one end of the notch extends to the top of the mouse body fixing cylinder, and the other end of the notch extends to the central position of the bottom of the mouse body fixing cylinder;

the workbench is arranged on one side of the base, and a rat tail placing groove is arranged above the workbench corresponding to the notch;

the mouse head baffle plate can be detachably arranged at the opening end of the mouse body fixing cylinder.

2. The rat tail vein operation device of claim 1, wherein the open end of the rat body securing cylinder is provided with a horn-like opening.

3. The rat tail vein operation device according to claim 1, wherein the inner wall of the rat body fixing cylinder is uniformly provided with n ribs in a circumferential direction, wherein n is 3.ltoreq.n.ltoreq.8.

4. A tail vein exercise device as in claim 3, wherein the ribs are of a resilient material construction.

5. The rat tail vein operation device of any of claims 1-4, wherein the base and the rat body securing cylinder are constructed of a magnetic material.

6. The rat tail vein exercise device of claim 1, wherein the rat tail placement slot is a structure made of a transparent material.

7. The tail vein handling device of claim 6, wherein the work bench includes an LED light bar mounted below the tail placement slot, a brightness adjustment switch mounted on one side of the work bench and electrically connected to the LED light bar, and a power connector mounted on the work bench and electrically connected to the LED light bar.

8. The rat tail vein handling device of claim 1, wherein m ventilation holes are circumferentially disposed in the rat head baffle, wherein m > 1.

9. The rat tail vein operation device of claim 1, wherein the rat tail baffle is threadably connected to the rat body fixing cylinder, the rat tail vein operation device further comprises a control box, a telescopic shaft, a driving shaft and a control knob, the control box is mounted at one end of the base, the telescopic shaft is slidably mounted on the control box in a horizontal direction, the driving shaft is rotatably mounted on the control box in a horizontal direction, the driving shaft is perpendicular to the telescopic shaft, a rack is fixedly arranged on the telescopic shaft, a gear is arranged on the driving shaft, the gear is meshed with the rack, and the control knob is mounted on the driving shaft.

10. The rat tail vein operation device according to claim 1, further comprising a control box, a telescopic shaft and a screw, wherein the telescopic shaft is slidably mounted on the control box in a horizontal direction, the screw is in threaded connection with the control box, one end of the screw abuts against the telescopic shaft, and a dial is arranged at the other end of the screw.