A liquid mixing device

Abstract

This utility model discloses a liquid mixing device, belonging to the technical field of clinical pharmaceutical auxiliary equipment. The device includes a funnel-shaped stirring drum body with an internal cavity. A prismatic stirring drum is placed inside the cavity, and a circular turntable is fixedly connected to the upper surface of the prismatic stirring drum. A crushing gear is engaged on one side of the circular turntable. This utility model, through the arrangement of the injection cylinder, crushing gear, and circular turntable, allows the circular turntable and crushing gear to work together to crush the medication in the injection cylinder. After crushing, medical personnel inject water into the injection cylinder, which mixes with the drug residue and flows out through the gap between the funnel-shaped stirring drum body and the prismatic stirring drum. The medication can be collected at the drain pipe. The overall operation is simple, convenient, time-saving, and labor-saving, requiring minimal manpower and resources.

Description

Technical Field

[0001] This utility model relates to the field of clinical pharmaceutical auxiliary equipment technology, and in particular to a liquid mixing device. Background Technology

[0002] As the core department of the hospital's pharmacy, the intravenous compounding center is primarily responsible for the centralized preparation of intravenous medications. It must precisely mix multiple drugs according to physician orders before clinical use. Currently, the intravenous compounding process often faces problems such as cumbersome drug mixing operations, low efficiency of manual stirring, and insufficient mixing uniformity. Traditional manual drug preparation requires medical staff to manually shake the solution, which is not only time-consuming and labor-intensive, but also prone to concentration deviations due to operational errors when dissolving powdered drugs or mixing multiple solutions, increasing the risk of medication use. Furthermore, the open compounding environment makes drugs susceptible to contamination, and the complex cleaning process after preparation leaves residual solution prone to bacterial growth, increasing the risk of cross-infection. This significantly impacts the efficiency and quality of the intravenous compounding center, making it difficult to meet the high clinical requirements for the safety and accuracy of intravenous medication. Utility Model Content

[0003] The purpose of this invention is to solve the problem that existing drug mixing devices are complex in structure, inconvenient for medical staff to operate, and often require multiple people to work together in the dispensing room to stir, which increases the workload of medical staff and greatly reduces work efficiency. Therefore, this invention proposes a liquid mixing device.

[0004] To achieve the above objectives, the present invention adopts the following technical solution: a liquid mixing device, comprising a funnel-shaped stirring cylinder body, wherein a cavity is provided inside the funnel-shaped stirring cylinder body, and a prismatic stirring cylinder is arranged inside the cavity. A circular turntable is fixedly connected to the upper surface of the prismatic stirring cylinder, and a crushing gear is engaged on one side of the circular turntable. The crushing gear is fixedly installed at the bottom end inside the injection cylinder, and the injection cylinder is fixedly installed on one side of the upper surface of the locking plate.

[0005] Preferably, the locking plate is fixedly installed on the top of the funnel-shaped stirring drum body, and the inner wall of the cavity is provided with a drainage groove.

[0006] Preferably, the outer surface of the injection cartridge is provided with a scale, and the upper surface of the circular turntable is fixedly connected with a handle.

[0007] Preferably, both the crushing gear and the outer surface of the circular turntable are provided with prismatic protrusions, and the locking plate is disposed on the upper surface of the circular turntable.

[0008] Preferably, a sturdy support rod is inserted into the bottom end of the prismatic stirring cylinder, and the top end of the sturdy support rod extends into the interior of the funnel-shaped stirring cylinder body and is movably connected to the prismatic stirring cylinder.

[0009] Preferably, a drain pipe is inserted into one side of the bottom of the prismatic stirring drum, and one end of the drain pipe extends into the interior of the funnel-shaped stirring drum body and is located on one side of the drain trough.

[0010] Compared with the prior art, the present invention provides a liquid mixing device, which has the following beneficial effects:

[0011] This invention integrates the drug injection cylinder, crushing gear, and prismatic stirring cylinder into a single unit, enabling the crushing and mixing of drugs during the static compounding process in the pharmacy department. Medical staff only need to shake the circular turntable to complete the crushing and mixing of drugs, eliminating the need for multiple people or repeated manual shaking, significantly reducing the intensity of manual operation and improving the efficiency of static compounding. Simultaneously, the funnel-shaped stirring cylinder and the prismatic stirring cylinder form a relatively enclosed mixing space, reducing the risk of drug contamination. Furthermore, the device's detachable and washable design (e.g., opening the locking plate to remove the prismatic stirring cylinder and injecting cleaning water through the injection cylinder to rinse the cavity) allows for rapid cleaning and disinfection, effectively reducing the risk of cross-infection, ensuring the standardization of the static compounding process and the safety of medication use, and meeting the stringent requirements of accuracy, aseptic technique, and high efficiency in pharmacy static compounding. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a front view cross-sectional structural diagram of the funnel-shaped stirring cylinder body of this utility model;

[0014] Figure 3 This is a top view of the circular turntable structure of this utility model.

[0015] In the diagram: 1. Funnel-shaped stirring drum body; 2. Cavity; 3. Prism-shaped stirring drum; 4. Circular turntable; 5. Crushing gear; 6. Injection cartridge; 7. Locking plate; 8. Scale; 9. Handle; 10. Stabilizing support rod; 11. Drain pipe. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0017] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0018] Reference Figure 1-3 A liquid mixing device includes a funnel-shaped stirring drum body 1. The funnel-shaped stirring drum body 1 has a cavity 2 inside, and a prismatic stirring drum 3 is disposed inside the cavity 2. By rotating the prismatic stirring drum 3, the drug in the cavity 2 can be crushed during rotation. A circular turntable 4 is fixedly connected to the upper surface of the prismatic stirring drum 3. A crushing gear 5 is engaged on one side of the circular turntable 4. Drug passing through the engagement point between the crushing gear and the circular turntable slides into the space between the funnel-shaped stirring drum body and the prismatic stirring drum. Within the gap, rotating the circular turntable 4 causes the prismatic stirring drum 3 and the crushing gear 5 to rotate simultaneously, improving the crushing efficiency of the medicine. The crushing gear 5 is fixedly installed at the bottom of the injection cylinder 6, which is fixedly installed on one side of the upper surface of the locking plate 7. The locking plate 7 is fixedly installed at the top of the funnel-shaped stirring drum body 1. A drainage groove is provided on the inner wall of the cavity 2. When the prismatic stirring drum rotates, it rubs against the inner wall of the cavity during rotation, thereby achieving the purpose of secondary crushing of the medicine entering the cavity. Afterwards, medical staff inject a relative proportion of water into the injection cylinder 6. The mixture dissolves the drug residue and flows out through the gap between the funnel-shaped stirring drum body 1 and the prismatic stirring drum 3. The medical staff can collect the drug solution at the drain pipe 11. A scale 8 is provided on the outer surface of the injection cylinder 6. A handle 9 is fixedly connected to the upper surface of the circular turntable 4. Prismatic protrusions are provided on the outer surfaces of both the crushing gear 5 and the circular turntable 4. A locking plate 7 is located on the upper surface of the circular turntable 4. A sturdy support rod 10 is inserted into the bottom end of the prismatic stirring drum 3. Medical staff open the locking plate 7 to... After the prismatic mixing drum 3 is removed from the cavity 2, it can be cleaned. Cleaning water is injected into the injection tube 6, and the cleaning water will flow along the inner wall of the cavity 2 and then be discharged through the drain pipe 11. The overall cleaning process is simple, convenient, time-saving and labor-saving, reducing the workload of the staff. The top of the stable support rod 10 extends into the interior of the funnel-shaped mixing drum body 1 and is movably connected to the prismatic mixing drum 3. A drain pipe 11 is inserted into one side of the bottom of the prismatic mixing drum 3, and one end of the drain pipe 11 extends into the interior of the funnel-shaped mixing drum body 1 and is set on one side of the drain tank.

[0019] In this invention, the drug injection cylinder 6, crushing gear 5, and circular turntable 4 are configured to crush the drug in the injection cylinder 6 by shaking the circular turntable 4 in conjunction with the crushing gear 5. After crushing, medical staff inject a relatively proportional amount of water into the injection cylinder 6 to mix with the drug residue. The mixture then flows out through the gap between the funnel-shaped stirring cylinder body 1 and the prismatic stirring cylinder 3. The medical staff can collect the drug solution at the drain pipe 11. The overall operation process is simple, convenient, time-saving, and labor-saving, without requiring excessive manpower or resources. With the setup of the funnel-shaped stirring cylinder body 1, the prismatic stirring cylinder 3, and the locking plate 7, medical staff can open the locking plate 7 and remove the prismatic stirring cylinder 3 from the cavity 2 for cleaning. By injecting cleaning water into the injection cylinder 6, the cleaning water will flow along the inner wall of the cavity 2 and then be discharged through the drain pipe 11. The overall cleaning process is simple, convenient, time-saving, and labor-saving, reducing the workload of staff.

[0020] 1. This utility model, through the setting of a drug injection cylinder, crushing gear and circular turntable, can crush the drug in the drug injection cylinder by shaking the circular turntable in cooperation with the crushing gear. After crushing, medical staff can inject a relatively proportional amount of water into the drug injection cylinder, mix it with the drug residue, and then let it flow out through the gap between the funnel-shaped stirring cylinder body and the prismatic stirring cylinder. Medical staff can collect the drug solution at the drain pipe. The overall operation process is simple, convenient, time-saving and labor-saving, without occupying too much manpower and material resources.

[0021] 2. This utility model, through the setting of funnel-shaped stirring cylinder body, prismatic stirring cylinder and locking plate, allows medical staff to open the locking plate and take out the prismatic stirring cylinder from the cavity for cleaning. By injecting cleaning water into the injection cylinder, the cleaning water will flow along the inner wall of the cavity and then be discharged through the drain pipe. The overall cleaning process is simple, convenient and saves time and effort, reducing the workload of staff.

[0022] The parts of this device not covered herein are the same as or can be implemented using existing technologies. With this invention, medical staff can collect the liquid medicine at the drain tube. The overall operation process is simple, convenient, time-saving, and labor-saving, without requiring excessive manpower and resources.

[0023] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A liquid mixing device, comprising a funnel-shaped stirring drum body (1), characterized in that, The funnel-shaped stirring cylinder body (1) has a cavity (2) inside, and a prismatic stirring cylinder (3) is set inside the cavity (2). A circular turntable (4) is fixedly connected to the upper surface of the prismatic stirring cylinder (3). A crushing gear (5) is engaged on one side of the circular turntable (4). The crushing gear (5) is fixedly installed at the bottom of the injection cylinder (6). The injection cylinder (6) is fixedly installed on one side of the upper surface of the locking plate (7).

2. The liquid mixing device according to claim 1, characterized in that, The locking plate (7) is fixedly installed on the top of the funnel-shaped stirring drum body (1), and the inner wall of the cavity (2) is provided with a drainage groove.

3. The liquid mixing device according to claim 1, characterized in that, The outer surface of the injection tube (6) is provided with a scale (8), and the upper surface of the circular turntable (4) is fixedly connected with a handle (9).

4. The liquid mixing device according to claim 1, characterized in that, The outer surfaces of the crushing gear (5) and the circular turntable (4) are provided with prismatic protrusions, and the locking plate (7) is provided on the upper surface of the circular turntable (4).

5. The liquid mixing device according to claim 1, characterized in that, A sturdy support rod (10) is inserted into the bottom end of the prismatic stirring cylinder (3), and the top end of the sturdy support rod (10) extends into the interior of the funnel-shaped stirring cylinder body (1) and is movably connected to the prismatic stirring cylinder (3).

6. The liquid mixing device according to claim 2, characterized in that, A drain pipe (11) is inserted into one side of the bottom of the prismatic stirring drum (3). One end of the drain pipe (11) extends into the interior of the funnel-shaped stirring drum body (1) and is located on one side of the drain trough.

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