Liquid supplementing device for animal experiment
The design of the motor-driven rotary rod and rollers solves the problems of inaccurate fluid administration and leakage in animal experiments, achieving precise control and simplified operation.
Patent Information
- Application Number
- CN202422956710.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-02
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-02
AI Technical Summary
In animal experiments, existing syringe-based fluid resuscitation methods are prone to inaccurate resuscitation and leakage.
An animal testing fluid resuscitation device is used, in which a motor drives a rotating rod to squeeze the infusion tube, and combined with a clamping device and anti-slip design, it achieves precise control of the infusion volume.
It improves the accuracy of fluid replenishment, reduces the occurrence of leakage, simplifies operation, and reduces the impact of human instability.
Smart Images
Figure CN223746501U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of liquid supplementing and adjusting, in particular to a liquid supplementing device for animal experiments. BACKGROUND
[0002] In many clinical medical experiments taking experimental animals as operation objects, laparotomy operation is needed to be performed on the experimental animals, wherein common experimental animals such as rats, mice and rabbits have physiological characteristics similar to those of human beings, and are prone to pathological blood loss and liquid loss in the experimental process. Therefore, scientific and reasonable liquid supplementing in the experimental process is conducive to improving the success rate of experimental modeling and the postoperative survival rate of experimental animals. Common physiological supplementing includes physiological saline, glucose and various types. Common supplementing methods include intraperitoneal supplementing and intravenous injection supplementing.
[0003] At present, general liquid supplementing is completed by using a syringe. During the liquid supplementing process of the syringe, single-handed operation is generally adopted, which is prone to inaccurate liquid supplementing and unstable manual pressing of the syringe, and thus liquid leakage is likely to occur. Therefore, the liquid supplementing device for animal experiments is proposed to solve the problems in the background art. CONTENT OF THE UTILITY MODEL
[0004] To solve the problems in the background art, the utility model provides a liquid supplementing device for animal experiments, which solves the problems of inaccurate liquid supplementing and liquid leakage during the liquid supplementing process of the syringe.
[0005] To achieve the above object, the utility model provides the following technical scheme: a liquid supplementing device for animal experiments, comprising a liquid supplementing tank, wherein an installation groove is arranged at the upper end of the liquid supplementing tank, a catheter is fixedly connected to the right side of the liquid supplementing tank, the catheter is communicated with the inside of the installation groove, a liquid infusion tube is fixedly connected to the right end of the catheter, and an adjusting tank is arranged on the outside of the liquid infusion tube.
[0006] The installation groove is located above the adjusting tank, a rolling shaft is rollingly connected to the inside of the installation groove, a pair of strip-shaped through holes are formed in the outside of the adjusting tank, the strip-shaped through holes are located on the two sides of the adjusting tank, a sliding groove is formed in the inner side wall of the strip-shaped through holes, a sliding ring is slidingly connected to the inside of the sliding groove, a rotating rod is rotatably connected between the sliding rings, a motor is arranged at one end of the rotating rod, a plurality of Y-shaped rods are fixedly connected to the outer end of the rotating rod, a roller is rotatably connected to the end of the Y-shaped rod away from the rotating rod, a toothed rod is fixedly connected to the outer end of the rotating rod, a pair of gears are fixedly connected to the outside of the rolling shaft, the gears are meshingly connected with the toothed rod, a strip-shaped recess is formed in the inner bottom wall of the adjusting tank, the strip-shaped recess is matched with the outer end of the liquid infusion tube, and a pressing device is arranged at the upper end of the adjusting tank.
[0007] Preferably, the conduit is made of aluminum alloy and the inner wall of the conduit is bonded with a heat insulation layer.
[0008] Preferably, the outer end of the roller is provided with anti-slip texture, and the outer side of the roller is coated with an anti-rust coating.
[0009] Preferably, the outer end of the Y-shaped rod is fixedly connected to a rubber layer, and the interior of the Y-shaped rod is filled with rubber particles.
[0010] Preferably, the clamping device includes a sleeve, a crossbar is slidably connected inside the sleeve, a spring is fixedly connected to the end of the crossbar away from the roller, the spring is located inside the sleeve, the end of the crossbar near the roller is inclined and engages with the anti-slip texture on the surface of the roller, and a slider is fixedly connected to the top of the crossbar, the slider being slidably connected to the sleeve.
[0011] Preferably, the regulating box is made of acrylic material, and the outside of the regulating box is polished to be transparent.
[0012] Preferably, the connection between the rotating rod and the motor is a snap-fit connection.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] This invention uses a motor and rotating rod to drive a roller, which in turn squeezes the liquid inside the infusion tube by pressing it against the outer end. The rotation of the roller changes the depth of the compression, allowing for precise control during the infusion process. The operation is simple, eliminating the need for gravity to drain the liquid and greatly reducing leakage during infusion. Attached Figure Description
[0015] Figure 1 This is a three-dimensional structural diagram of the fluid replenishment box of this utility model;
[0016] Figure 2 This is a three-dimensional structural diagram of the regulating box of this utility model;
[0017] Figure 3 This is a schematic diagram showing the interaction between the regulating box and the strip groove of this utility model;
[0018] Figure 4 This is a schematic diagram of the cooperation between the roller and the Y-shaped rod of this utility model;
[0019] Figure 5 for Figure 3 Enlarged view of point A in the middle;
[0020] Figure 6 for Figure 5 Enlarged view of section B in the middle.
[0021] In the figure: 1, liquid supplement tank; 12, mounting groove; 2, conduit; 3, infusion tube; 4, adjusting tank; 41, roller; 42, strip-shaped through hole; 43, sliding groove; 44, sliding ring; 441, gear; 45, strip-shaped recess; 46, Y-shaped rod; 47, roller; 48, abutting device; 481, sliding block; 49, toothed rod; 5, rotating rod. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] As Figures 1 to 6 shown, the utility model provides a liquid supplement device for animal experiment, including liquid supplement tank 1, the upper end of liquid supplement tank 1 is equipped with mounting groove 12, the right side of liquid supplement tank 1 is fixedly connected with conduit 2, and conduit 2 communicates with the inside of mounting groove 12, the right end of conduit 2 is fixedly connected with infusion tube 3, and the outside of infusion tube 3 is equipped with adjusting tank 4.
[0024] Mounting groove 12 is located above adjusting tank 4, and roller 41 is rollingly connected in mounting groove 12, a pair of strip-shaped through holes 42 are formed in the outside of adjusting tank 4, the pair of strip-shaped through holes 42 are located on the two sides of adjusting tank 4, sliding grooves 43 are formed in the inner side wall of the pair of strip-shaped through holes 42, sliding rings 44 are slidably connected in the inside of the pair of sliding grooves 43, rotating rod 5 is rotatably connected between the pair of sliding rings 44, an electric machine is installed at one end of rotating rod 5, a plurality of evenly distributed Y-shaped rods 46 are fixedly connected to the outer end of rotating rod 5, rollers 47 are rotatably connected to the end of Y-shaped rod 46 away from rotating rod 5, toothed rod 49 is fixedly connected to the outer end of rotating rod 5, a pair of gears 441 are fixedly connected to the outside of roller 41, the pair of gears 441 are meshingly connected with toothed rod 49, strip-shaped recess 45 is formed in the inner bottom wall of adjusting tank 4, and strip-shaped recess 45 is matched with the outer end of infusion tube 3, and abutting device 48 is installed at the upper end of adjusting tank 4.
[0025] Adopting the above scheme, when in use, the infusion tube 3 penetrates the adjusting box 4 through the strip-shaped groove 45, and the motor outside the rotating rod 5 is used to rotate it, the multiple evenly distributed rollers 47 outside the rotating rod 5 are used to constantly roll and press the outside of the infusion tube 3, so that the liquid inside the infusion tube 3 is discharged, the roller 41 outside the adjusting box 4 is rotated, so that the sliding ring 44 slides inside the strip-shaped through hole 42, thereby adjusting the strength and range of the rollers 47 rolling and pressing the infusion tube 3, and the roller 41 is limited by the abutting device 48, so that the accuracy of the liquid supplementing process can be controlled, the operation is simple, the liquid does not need to be discharged relying on gravity, and the problem of liquid leakage in the liquid supplementing process is greatly reduced.
[0026] As shown in Figure 6 the catheter 2 is made of aluminum alloy material, and the inner wall of the catheter 2 is bonded with a heat preservation layer, the outer end of the roller 41 is provided with anti-skid lines, and the outer side of the roller 41 is sprayed with a rust-proof coating, the outer end of the Y-shaped rod 46 is fixedly connected with a rubber layer, and the inside of the Y-shaped rod 46 is filled with rubber particles, and the abutting device 48 comprises a sleeve, a cross rod is slidably connected inside the sleeve, one end of the cross rod away from the roller 41 is fixedly connected with a spring, the spring is located inside the sleeve, one end of the cross rod close to the roller 41 is inclined and engaged with the anti-skid lines on the surface of the roller 41, the top of the cross rod is fixedly connected with a sliding block 481, the sliding block 481 is slidably connected with the sleeve, the adjusting box 4 is made of acrylic material, and the outside of the adjusting box 4 is polished to be transparent, and the connecting mode between the rotating rod 5 and the motor is clamping.
[0027] Adopting the above scheme, the heat preservation layer inside the catheter 2 can reduce the hard contact between the infusion tube 3 and the catheter 2, thereby improving the service life of the infusion tube 3 and reducing the probability of damage to the infusion tube 3, the anti-skid lines outside the roller 41 improve the friction between the roller 41 and the fingers, thereby improving the adjustment accuracy, the rubber particles inside the Y-shaped rod 46 better extrude the infusion tube 3, thereby facilitating more accurate control of the liquid supplementing speed, and the cross rod inside the sleeve is abutted to the surface of the roller 41 by the spring, is engaged with the roller 41 and makes the roller 41 unable to rotate reversely.
[0028] The working principle and use process of the utility model: in the scheme, when using the device, first, make infusion tube 3 penetrate to the inside of adjusting box 4, make adjusting box 4 be located at the downside of gyro wheel 47, according to actual condition, rotate roller shaft 41, make gear 441 of adjusting box 4 one side end rotate between toothed rod 49, be convenient for adjusting the range of gyro wheel 47 and adjusting box 4 rolling pressure, through abutting device 48 to the position of roller shaft 41 carry out limiting, avoid accidental rotation, further, open motor, make gyro wheel 47 on the outer end of rotating rod 5 even uninterrupted rolling pressure to the outside of infusion tube 3, exclude the liquid inside infusion tube 3, and the card joint between rotating rod 5 and motor, also can be connected artificial drive, thereby reduce the limitation of use, do not need to rely on gravity to export liquid supplement, thereby realize the efficiency of liquid supplement in rolling pressure process.
[0029] It should be noted that in this document, the terms "first", "second", and the like, merely mean one entity or action distinguished from another, and do not necessarily require or imply any actual such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0030] Although the embodiments of the utility model have been shown and described, it will be apparent to those having ordinary skill in the art that a number of changes, modifications, substitutions and alterations to the embodiments can be made without departing from the spirit and scope of the utility model, which is defined by the following claims and their equivalents.
Claims
1. A fluid supplementing device for animal experiments, comprising a fluid supplementing tank (1), characterized in that: The upper end of the liquid supplement tank (1) is provided with a mounting groove (12), the right side of the liquid supplement tank (1) is fixedly connected with a conduit (2), the conduit (2) is communicated with the inside of the mounting groove (12), the right end of the conduit (2) is fixedly connected with a transfusion pipe (3), and the outer side of the transfusion pipe (3) is provided with an adjusting box (4). The mounting groove (12) is located above the adjusting box (4), the inside of the mounting groove (12) is rollably connected with a roll shaft (41), the outer side of the adjusting box (4) is provided with a pair of strip-shaped through holes (42), the pair of strip-shaped through holes (42) are located on the two sides of the adjusting box (4), the inner side walls of the pair of strip-shaped through holes (42) are provided with sliding grooves (43), the interiors of the pair of sliding grooves (43) are slidably connected with sliding rings (44), the sliding rings (44) are rotatably connected with a rotating rod (5) between them, one end of the rotating rod (5) is provided with a motor, the outer end of the rotating rod (5) is fixedly connected with a plurality of evenly distributed Y-shaped rods (46), the ends, away from the rotating rod (5), of the Y-shaped rods (46) are rotatably connected with rollers (47), the outer end of the rotating rod (5) is fixedly connected with a toothed rod (49), the outer side of the roll shaft (41) is fixedly connected with a pair of gears (441), the pair of gears (441) are in meshing connection with the toothed rod (49), the inner bottom wall of the adjusting box (4) is provided with a strip-shaped recess (45), the strip-shaped recess (45) is matched with the outer end of the transfusion pipe (3), and the upper end of the adjusting box (4) is provided with an abutting device (48).
2. The fluid supplementing device for animal experiments according to claim 1, characterized in that: The conduit (2) is made of aluminum alloy material, and the inner wall of the conduit (2) is bonded with a heat preservation layer.
3. The fluid supplementing device for animal experiments according to claim 1, characterized in that: The outer end of the roll shaft (41) is provided with anti-skid lines, and the outer side of the roll shaft (41) is sprayed with an anti-rust coating.
4. The fluid supplementing device for animal experiments according to claim 1, characterized in that: The outer end of the Y-shaped rod (46) is fixedly connected with a rubber layer, and the interior of the Y-shaped rod (46) is filled with rubber particles.
5. The fluid supplementing device for animal experiments according to claim 1, characterized in that: The abutting device (48) comprises a sleeve, the inside of the sleeve is slidably connected with a horizontal rod, the end, away from the roll shaft (41), of the horizontal rod is fixedly connected with a spring, the spring is located in the inside of the sleeve, the end, close to the roll shaft (41), of the horizontal rod is inclined and in meshing connection with the anti-skid lines on the surface of the roll shaft (41), the top of the horizontal rod is fixedly connected with a sliding block (481), and the sliding block (481) is in sliding connection with the sleeve.
6. The fluid supplementing device for animal experiments according to claim 1, characterized in that: The adjusting box (4) is made of acrylic material, and the outer side of the adjusting box (4) is polished to be transparent.
7. The fluid supplementing device for animal experiments according to claim 1, characterized in that: The connecting mode between the rotating rod (5) and the motor is clamping connection.