Pipettor for medicine inspection
The pipette design with a cleaning brush and viewing window addresses exterior residue issues, enabling easy cleaning and accurate liquid transfer, improving safety and precision in drug testing.
Patent Information
- Application Number
- CN202422375256.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-09-29
AI Technical Summary
The existing pipettes for drug testing are likely to remain on the outside of the pipette when used, resulting in splashing easily when moving, and lacking an effective cleaning structure.
A pipette for drug inspection is designed, which includes a cleaning seat and a cleaning brush. It forms a negative pressure liquid absorption through the rear pull of the push rod, and scrapes away the residual liquid on the outside through the cleaning seat and the cleaning brush. Combined with the visual observation window, the liquid volume is accurate.
It realizes convenient cleaning of liquid outside the pipette, ensures the accuracy of drug liquid absorption and injection, avoids drug liquid splashing, and improves the simplicity and safety of operation.
Smart Images
Figure CN223096826U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of pipetting devices, and particularly relates to a pipette for pharmaceutical inspection. Background Art
[0002] The pipette for pharmaceutical inspection is a laboratory instrument used to accurately measure and transfer a certain volume of liquid. During the pharmaceutical inspection process, the pipette plays a crucial role as it can ensure the accuracy and repeatability of the experiment.
[0003] For some existing pipettes for pharmaceutical inspection, during use, the liquid medicine is likely to remain on the outside of the pipette, resulting in easy dripping and splashing elsewhere when moving the pipette, and lacking a structure for cleaning the outside of the pipette. Summary of the Utility Model
[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a pipette for pharmaceutical inspection to solve the problem that for some existing pipettes for pharmaceutical inspection, during use, the liquid medicine is likely to remain on the outside of the pipette, resulting in easy dripping and splashing elsewhere when moving the pipette, and lacking a structure for cleaning the outside of the pipette as mentioned in the above background art.
[0005] To achieve the above object, the utility model provides the following technical solution: A pipette for pharmaceutical inspection, including a pipette tube body, a piston is slidably connected inside the pipette tube body, a push rod is fixedly connected to the top of the piston, a fixed seat is fixedly connected to the top of the push rod, a push-pull handle is fixedly connected to the outside of the fixed seat, a threaded seat is fixedly connected to the top of the pipette tube body, a lid is rotatably connected to the outside of the threaded seat, a liquid suction port is fixedly connected to the bottom of the pipette tube body, a cleaning brush is slidably connected to the outside of the pipette tube body, a cleaning seat is fixedly connected to the outside of the cleaning brush, mounting seats are symmetrically and fixedly connected to the outside of the cleaning seat, and a handle is fixedly connected to one side of the mounting seat.
[0006] Preferably, an edge sealing ring is fixedly connected to the outside of the piston.
[0007] Preferably, one end of the push rod penetrates through the inside of the lid.
[0008] Preferably, a sealing seat is fixedly connected to the inside of the lid near the outside of the push rod.
[0009] Preferably, a visual observation window is fixedly connected to one side inside the pipette tube body.
[0010] Preferably, a scale is fixedly connected to one side of the pipette tube body near the visual observation window.
[0011] Preferably, cleaning blocks are symmetrically and fixedly connected to the outside of the cleaning brush.
[0012] Preferably, two cleaning blocks are provided.
[0013] Compared with the prior art, the present utility model provides a pipette for drug inspection, which has the following
[0014] Advantages:
[0015] 1. By providing a cleaning base in the present utility model, when the liquid suction port of the pipette tube is inserted into the liquid medicine container, the user pulls the push rod backward. When the push rod moves backward, the piston inside the pipette tube also moves backward, thereby creating a negative pressure inside the pipette tube. Due to the action of the external atmospheric pressure, the liquid medicine will be pressed into the pipette tube to fill the space created by the movement of the piston, so as to achieve the extraction of the liquid medicine. The cleaning base is installed on the outside of the pipette tube. When it is necessary to clean the residual liquid on the outside of the pipette tube, hold the handle and slide it up and down on the outside of the pipette tube, and scrape the liquid with the cleaning brush and cleaning block fixed at the cleaning base. The operation is simple and convenient.
[0016] 2. By providing a visual observation window in the present utility model, the visual observation window allows the user to clearly see the volume of the liquid medicine in the pipette tube, ensuring that the volume of the liquid medicine aspirated or injected is accurate. It can also observe the color of the liquid medicine to confirm whether the liquid medicine is normal, avoiding the use of deteriorated or incorrect liquid medicine. Since air bubbles may be generated when aspirating the liquid medicine, the air bubbles can be detected in time through the visual observation window and discharged by appropriate methods to ensure the accuracy of injection.
[0017] The parts not involved in this device are the same as or can be implemented by the prior art. The structure of the present utility model is scientific and reasonable, safe and convenient to use, and provides great help to people. Description of the Drawings
[0018] The drawings are used to provide a further understanding of the present utility model and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:
[0019] Figure 1 is an axonometric structure diagram of a pipette for drug inspection proposed by the present utility model;
[0020] Figure 2 is Figure 1 an enlarged structural diagram of part A of
[0021] Figure 3 is Figure 1 an enlarged structural diagram of part B of
[0022] Figure 4Rear view structural schematic diagram of a pipette for drug inspection proposed by the present utility model;
[0023] Figure 5 Side view structural schematic diagram of a pipette for drug inspection proposed by the present utility model;
[0024] Figure 6 Side view vertical sectional structural schematic diagram of a pipette for drug inspection proposed by the present utility model;
[0025] Figure 7 is Figure 6 Enlarged structural schematic diagram of part C of;
[0026] In the figure: pipette tube body 1, piston 2, edge sealing ring 3, push rod 4, threaded seat 5, lid 6, sealing seat 7, cleaning seat 8, cleaning brush 9, cleaning block 10, fixing seat 11, push-pull handle 12, mounting seat 13, handle 14, visual observation window 15, scale 16, liquid suction port 17. Specific implementation manners
[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0028] Please refer to Figures 1-7, the present utility model provides a technical solution: a pipette for pharmaceutical inspection, which includes a pipette tube body 1. A piston 2 is slidably connected inside the pipette tube body 1. A push rod 4 is fixedly connected to the top of the piston 2. A fixed seat 11 is fixedly connected to the top of the push rod 4. A push-pull handle 12 is fixedly connected to the outside of the fixed seat 11. A threaded seat 5 is fixedly connected to the top of the pipette tube body 1. A lid 6 is rotatably connected to the outside of the threaded seat 5. A liquid suction port 17 is fixedly connected to the bottom of the pipette tube body 1. A cleaning brush 9 is slidably connected to the outside of the pipette tube body 1. A cleaning seat 8 is fixedly connected to the outside of the cleaning brush 9. Mounting seats 13 are symmetrically and fixedly connected to the outside of the cleaning seat 8. A handle 14 is fixedly connected to one side of the mounting seat 13. When the liquid suction port 17 of the pipette tube body 1 is inserted into a liquid medicine container, the user pulls the push rod 4 backward. When the push rod 4 moves backward, the piston 2 inside the pipette tube body 1 also moves backward, thereby creating a negative pressure inside the pipette tube body 1. Due to the action of the external atmospheric pressure, the liquid medicine will be pressed into the pipette tube body 1 to fill the space created by the movement of the piston 2, so as to achieve the extraction of the liquid medicine. The cleaning seat 8 is installed on the outside of the pipette tube body 1. When it is necessary to clean the residual liquid on the outside of the pipette tube body 1, by holding the handle 14 and sliding up and down on the outside of the pipette tube body 1, the liquid can be scraped off by the cleaning brush 9 and the cleaning block 10 fixed at the cleaning seat 8. The operation is simple and convenient.
[0029] In the present utility model, preferably, an edge sealing ring 3 is fixedly connected to the outside of the piston 2.
[0030] In the present utility model, preferably, one end of the push rod 4 penetrates through the inside of the lid 6.
[0031] In the present utility model, preferably, a sealing seat 7 is fixedly connected to the inside of the lid 6 near the outside of the push rod 4.
[0032] In the present utility model, preferably, a visible observation window 15 is fixedly connected to one side inside the pipette tube body 1. The visible observation window 15 allows the user to clearly see the volume of the liquid medicine inside the pipette tube body 1, ensuring that the amount of liquid medicine aspirated or injected is accurate. It can also observe the color of the liquid medicine to confirm whether the liquid medicine is normal, avoiding the use of deteriorated or incorrect liquid medicine. Because when aspirating the liquid medicine, bubbles may be generated. Through the visible observation window 15, the bubbles can be found in time and discharged by appropriate methods to ensure the accuracy of injection.
[0033] In the present utility model, preferably, a scale 16 is fixedly connected to one side of the pipette tube body 1 near the visible observation window 15.
[0034] In the present utility model, preferably, cleaning blocks 10 are symmetrically and fixedly connected to the outside of the cleaning brush 9.
[0035] In the present utility model, preferably, there are two cleaning blocks 10.
[0036] The working principle and usage process of the present utility model: During use, by setting the cleaning base 8, when the liquid suction port 17 of the pipette tube body 1 is inserted into the liquid medicine container, the user pulls the push rod 4 backward. When the push rod 4 moves backward, the piston 2 inside the pipette tube body 1 also moves backward, thereby creating a negative pressure inside the pipette tube body 1. Due to the action of the external atmospheric pressure, the liquid medicine will be pressed into the pipette tube body 1 to fill the space caused by the movement of the piston 2, so as to achieve the extraction of the liquid medicine. The cleaning base 8 is installed on the outside of the pipette tube body 1. When it is necessary to clean the residual liquid on the outside of the pipette tube body 1, by holding the handle 14 and sliding up and down on the outside of the pipette tube body 1, the liquid can be scraped off by the cleaning brush 9 and the cleaning block 10 fixed at the cleaning base 8. The operation is simple and convenient. By setting the visual observation window 15, the visual observation window 15 allows the user to clearly see the volume of the liquid medicine inside the pipette tube body 1, ensuring that the amount of liquid medicine aspirated or injected is accurate. It can also observe the color of the liquid medicine to confirm whether the liquid medicine is normal, avoiding the use of deteriorated or incorrect liquid medicine. Since air bubbles may be generated when aspirating the liquid medicine, the air bubbles can be timely detected through the visual observation window 15 and discharged by appropriate methods to ensure the accuracy of injection.
[0037] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. A pipette for drug inspection, comprising a pipette tube body (1), characterized in that: A piston (2) is slidably connected inside the pipette tube body (1). A push rod (4) is fixedly connected to the top of the piston (2). A fixed seat (11) is fixedly connected to the top of the push rod (4). A push-pull handle (12) is fixedly connected to the outside of the fixed seat (11). A threaded seat (5) is fixedly connected to the top of the pipette tube body (1). A lid (6) is rotatably connected to the outside of the threaded seat (5). A liquid suction port (17) is fixedly connected to the bottom of the pipette tube body (1). A cleaning brush (9) is slidably connected to the outside of the pipette tube body (1). A cleaning seat (8) is fixedly connected to the outside of the cleaning brush (9). Mounting seats (13) are symmetrically and fixedly connected to the outside of the cleaning seat (8). A handle (14) is fixedly connected to one side of the mounting seat (13).
2. The pipette for drug inspection according to claim 1, wherein: An edge sealing ring (3) is fixedly connected to the outside of the piston (2).
3. A pipette for drug inspection according to claim 1, characterized in that: One end of the push rod (4) penetrates through the inside of the lid (6).
4. A pipette for drug inspection according to claim 1, characterized in that: A sealing seat (7) is fixedly connected to the inside of the lid (6) near the outside of the push rod (4).
5. The pipette for drug inspection according to claim 1, wherein: A visual observation window (15) is fixedly connected to one side inside the pipette tube body (1).
6. The pipette for drug inspection according to claim 1, wherein: A scale (16) is fixedly connected to the pipette tube body (1) near one side of the visual observation window (15).
7. The pipette for drug inspection according to claim 1, wherein: Cleaning blocks (10) are symmetrically and fixedly connected to the outside of the cleaning brush (9).
8. A pipette for drug inspection according to claim 7, characterized in that: There are two cleaning blocks (10).