Automatic solution filtering device for oral solid preparation medicine dissolving sample
By designing an automatic filtration device and using a motor to drive the threaded rod to automatically push the syringe, the problem of time-consuming and labor-intensive filtration of oral solid dosage drug sample solutions was solved, the filtration efficiency and experimental quality were improved, and health risks were reduced.
Patent Information
- Application Number
- CN202422419508.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-09-16
- Estimated Expiration
- 2034-10-08
AI Technical Summary
In pharmaceutical companies' R&D or quality control laboratories, the filtration process of oral solid dosage drug sample solutions is time-consuming and labor-intensive, and may cause diseases such as finger tenosynovitis.
An automatic filtration device was designed, which included a mounting base, a protective cover, a driving mechanism (fixed base, motor and threaded rod) and a system operation controller. The motor drives the threaded rod to drive the threaded base up and down, thereby realizing automatic push-and-filter of the syringe.
It reduces the labor intensity of experimenters, improves the consistency of filtration efficiency and experimental quality, and reduces the health risks brought by manual operation.
Smart Images

Figure CN223346568U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medicine processing, and in particular relates to an automatic filtering device for a solution of a dissolved sample of an oral solid preparation medicine. Background Art
[0002] Oral solid preparations are an important form of pharmaceutical preparations, mainly including tablets, capsules, powders and granules. These solid preparations are widely used in clinical treatment due to their advantages such as ease of administration, precise measurement and good stability.
[0003] At present, in the R&D or quality control laboratories of pharmaceutical companies, during the analysis of oral solid dosage forms, the sample solution must be filtered through a filter membrane before it can be analyzed by liquid chromatography. This work is currently performed manually by experimenters. Due to the presence of excipients in the solid dosage form or the solubility of the sample, the sample has very poor permeability through the filter membrane. The experimenter has to use a lot of force to push the syringe plunger to complete the filtration. This process is very time-consuming and labor-intensive. Moreover, because the experimenter pushes the syringe plunger for a long time and vigorously, it may even cause diseases such as finger tenosynovitis. Utility Model Content
[0004] The purpose of the utility model is to provide an automatic filtering device for a solution of a dissolved sample of an oral solid preparation drug, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above purpose, the present invention provides the following technical solutions:
[0006] An automatic filtering device for a solution of a dissolved sample of an oral solid dosage form drug, comprising:
[0007] Mounting seat;
[0008] A protective cover, which is sleeved on the outside of the mounting seat;
[0009] The pushing mechanism is arranged on the outside of the mounting seat, and the pushing mechanism includes a fixed seat, a motor and a threaded rod. The fixed seat is fixedly connected to the inner side wall of the mounting seat, the motor is fixedly installed inside the fixed seat, the output end of the motor is fixedly connected to the threaded rod, the outside of the threaded rod is provided with a threaded seat, the inside of the threaded seat is inserted with a sliding track, one side of the threaded seat is fixedly connected to an abutting seat, and one side of the threaded rod is provided with a support seat.
[0010] Preferably, two fixing seats are horizontally arranged, the threaded rod is threadedly connected to the threaded seat, and the threaded seat is slidably connected to the outside of the sliding track.
[0011] Preferably, the threaded rod is fixedly connected to the outside of the output end of the motor, and the abutment seat is fixedly mounted on the outer side wall of the threaded seat by screws.
[0012] Preferably, a syringe is inserted into the interior of the pushing mechanism, a receiving centrifuge tube is sleeved on the bottom end of the syringe, a receiving platform is provided at the bottom end of the mounting seat, and a system operation controller is provided on one side of the receiving platform.
[0013] Preferably, the syringe is inserted into the interior of the support seat, the receiving centrifuge tube is fixedly mounted on the top of the mounting seat, and the protective cover is rotatably connected to the top of the mounting seat.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] The utility model provides a fixed seat, a motor, a threaded rod and a threaded seat, so that when filtering the syringe, the syringe is first inserted into the inside of the support seat, and then the motor is operated through the control operation of the system operation controller. At this time, after the threaded rod rotates, it can control the threaded seat to perform a lifting operation, so that the abutment seat pushes the syringe to filter, and there is no need for the experimenter to manually push the syringe push rod, freeing the experimenter from time-consuming and labor-intensive work, improving the experimenter's work efficiency, reducing labor intensity, and at the same time, improving the consistency of the sample solution filtration and improving the experimental quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 For this utility model Figure 1 Schematic diagram of the overall structure of the propulsion mechanism.
[0018] In the figure: 1. Mounting seat; 2. Protective cover; 3. Pushing mechanism; 301. Fixed seat; 302. Motor; 303. Threaded rod; 304. Threaded seat; 305. Sliding track; 306. Abutment seat; 307. Support seat; 4. Syringe; 5. Receiving centrifuge tube; 6. Receiving platform; 7. System operation controller. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0020] Example 1:
[0021] See also Figure 1-Figure 2 As shown, an automatic filtering device for a solution of a dissolved sample of an oral solid dosage form drug comprises:
[0022] Mounting seat 1;
[0023] A protective cover 2 is sleeved on the outside of the mounting base 1;
[0024] The pushing mechanism 3 is arranged on the outside of the mounting base 1. The pushing mechanism 3 includes a fixed base 301, a motor 302 and a threaded rod 303. The fixed base 301 is fixedly connected to the inner wall of the mounting base 1. The motor 302 is fixedly installed inside the fixed base 301. The output end of the motor 302 is fixedly connected to the threaded rod 303. The outer sleeve of the threaded rod 303 is provided with a threaded base 304. The inner part of the threaded base 304 is inserted with a sliding track 305. One side of the threaded base 304 is fixedly connected to the outside of the seat 306. A support base 307 is provided on one side of the threaded rod 303. The fixed base 301 is horizontally provided with two threaded rods. 303 is threadedly connected to the threaded seat 304, the threaded seat 304 is slidably connected to the outside of the sliding track 305, the threaded rod 303 is fixedly connected to the outside of the output end of the motor 302, and the abutment seat 306 is fixedly installed on the outer wall of the threaded seat 304 by screws. A syringe 4 is inserted into the interior of the pushing mechanism 3, and a receiving centrifuge tube 5 is sleeved on the bottom end of the syringe 4. A receiving platform 6 is provided at the bottom end of the mounting seat 1, and a system operation controller 7 is provided on one side of the receiving platform 6. The syringe 4 is inserted into the interior of the support seat 307, and the receiving centrifuge tube 5 is fixedly installed on the top of the mounting seat 1, and the protective cover 2 is rotatably connected at the top of the mounting seat 1.
[0025] Specifically, after the motor 302 is working, it drives the threaded rod 303 to rotate, so that the threaded seat 304 and the threaded rod 303 are threadedly connected, and the threaded seat 304 can be controlled to perform a lifting operation, thereby causing the abutting seat 306 to descend and push the syringe 4 to filter.
[0026] As can be seen from the above, the experimenter first places the receiving centrifuge tube 5 on the receiving platform 6, then pours the sample to be filtered into the syringe 4, places the syringe 4 on the support seat 307, and then puts down the protective cover 2. The system operation controller 7 controls the pushing mechanism 3 to work, and the abutment seat 306 is driven by the motor 302 to push the abutment seat 306 down to complete the filtration of the sample. At the same time, the system operation controller 7 sets the maximum downward pressure to ensure that the filter membrane will not be pressed through. Then, the system operation controller 7 controls the pushing mechanism 3 to return to the origin. The experimenter removes the syringe 4 and the receiving centrifuge tube 5 and enters the next filtration cycle.
[0027] All standard parts used in this utility model can be purchased commercially, and special-shaped parts can be customized according to the description in the specification and drawings. The specific connection methods of each part adopt conventional means such as bolts, rivets, welding, etc. that are mature in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology. In addition, the circuit connections adopt conventional connection methods in the existing technology and will not be described in detail here. Any matters not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.
[0028] In the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. "Multiple" means two or more, unless otherwise specifically defined.
[0029] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0030] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.
[0031] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art may combine and combine the different embodiments or examples and the features of different embodiments or examples described in this specification without contradiction.
[0032] In the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.
[0033] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. An automatic filtration device for dissolving a sample of an oral solid dosage form, characterized in that: include: Mounting seat (1); A protective cover (2), wherein the protective cover (2) is sleeved on the outside of the mounting seat (1); A pushing mechanism (3) is provided on the outside of the mounting seat (1), and comprises a fixing seat (301), a motor (302) and a threaded rod (303); the fixing seat (301) is fixedly connected to the inner side wall of the mounting seat (1); the motor (302) is fixedly installed inside the fixing seat (301); the output end of the motor (302) is fixedly connected to the threaded rod (303); the outside of the threaded rod (303) is provided with a threaded seat (304); the inside of the threaded seat (304) is provided with a sliding track (305); one side of the threaded seat (304) is fixedly connected to an abutting seat (306); and one side of the threaded rod (303) is provided with a supporting seat (307).
2. The automatic filtration device for dissolving a sample of an oral solid dosage form according to claim 1, characterized in that: Two fixing seats (301) are horizontally arranged, and the threaded rod (303) is threadedly connected to the threaded seat (304), and the threaded seat (304) is slidably connected to the outside of the sliding track (305).
3. The automatic filtration device for dissolving a sample of an oral solid dosage form according to claim 1, characterized in that: The threaded rod (303) is fixedly connected to the outside of the output end of the motor (302), and the abutting seat (306) is fixedly mounted on the outer side wall of the threaded seat (304) by screws.
4. The automatic filtration device for dissolving a sample of an oral solid dosage form according to claim 3, characterized in that: A syringe (4) is inserted into the interior of the pushing mechanism (3), a receiving centrifuge tube (5) is sleeved on the bottom end of the syringe (4), a receiving platform (6) is provided at the bottom end of the mounting seat (1), and a system operation controller (7) is provided on one side of the receiving platform (6).
5. The automatic filtering device for dissolving a sample of an oral solid dosage form according to claim 4, characterized in that: The syringe (4) is inserted into the interior of the support seat (307), the receiving centrifuge tube (5) is fixedly mounted on the top of the mounting seat (1), and the protective cover (2) is rotatably connected to the top of the mounting seat (1).