Medicine pouring device with filtering function

Abstract

The utility model discloses a medicament filling device with filter function belongs to medicament filling technical field, including filling cylinder and be used for the filter unit of filter medicament when filling cylinder fills, the filling cylinder is the hollow structure of both ends opening, the number of filter unit is at least two, and equidistance is arranged along the length extension direction of filling cylinder, filter unit movable displacement to the outside of filling cylinder, at least two pore diameters different filter pieces are established on filter unit, and at least two filter pieces all can detachable connection on filter unit, the utility model discloses when filling to different medicament, can move other filter unit to the outside of filling cylinder, avoid filter piece to be contaminated, and through the multiple filter pieces of remaining in filter cylinder to realize multistage filtration, and the filtering effect is better.

Description

Technical Field

[0001] This utility model relates to the field of pharmaceutical filling technology, and in particular to a pharmaceutical filling device with a filtration function. Background Technology

[0002] In hospitals, certain medications may be specially processed according to the patient's specific condition. For example, some medications that need to be prepared and used immediately, or medications that need to be adjusted according to the patient's specific condition, are usually filled in hospitals. Before filling, the residues in the medication are usually filtered out. Common filtration methods include microporous membranes.

[0003] Different drugs typically require different filling equipment to prevent cross-contamination. Therefore, the filling and filtration equipment need to be cleaned when filling different drugs. Since the filling equipment is usually cylindrical, it is relatively easy to clean. However, cleaning the filter membrane is more troublesome. Improper cleaning may even damage the filter membrane. Therefore, it is usually necessary to directly replace the filter membrane or use multiple filling equipment to fill different drugs separately. This requires more procurement costs and more storage space. Alternatively, when filling different drugs, the filtration requirements are different, and the pore size of the filter membrane used is also different. This requires removing the original filter membrane and reinstalling a filter membrane with a different pore size, which is more troublesome. Utility Model Content

[0004] This utility model provides a drug dispensing device with a filtration function to solve the aforementioned technical problems.

[0005] The present invention adopts the following technical solution: it includes a filling cylinder and a filter unit for filtering the medicine during filling. The filling cylinder is a hollow structure with openings at both ends. The number of filter units is at least two, and they are equidistantly arranged along the length of the filling cylinder. The filter units can be moved to the outside of the filling cylinder. The filter unit is provided with at least two filter elements with different pore sizes, and at least two filter elements are detachably connected to the filter unit. When filling different medicines, other filter units can be moved to the outside of the filling cylinder to avoid contamination of the filter elements. At the same time, multi-stage filtration is achieved by multiple filter elements remaining in the filter cylinder, resulting in better filtration effect.

[0006] Furthermore, the filter unit includes a receiving frame slidably connected to the filling cylinder, and a lower pressure seat and an upper pressure member threadedly connected to the receiving frame. The lower pressure seat has multiple pressure rings slidably connected along its axial direction, and the filter member is located between two adjacent pressure rings. The upper pressure seat is used to generate a downward force on the uppermost pressure ring to fix the filter member, which facilitates the disassembly and replacement of the filter member.

[0007] Furthermore, both the upper pressure member and the lower pressure seat are provided with operating handles on their inner walls to facilitate the rotation of the upper pressure member and the lower pressure seat.

[0008] Furthermore, one end of the receiving frame is provided with a positioning baffle, and the inner wall of the filling cylinder is provided with a positioning groove corresponding to the positioning baffle, which facilitates the positioning of the receiving frame.

[0009] Furthermore, the inner wall of the filling cylinder is provided with a flow guide shroud corresponding to each filter unit, and the cross-sectional area of ​​the flow guide shroud gradually decreases from top to bottom, which is used to guide the medicine during filling to the center of the filter unit and prevent the medicine from spilling to the outside of the filter unit during filling.

[0010] Furthermore, a marking plate is provided on the outer wall of the filter unit, which makes it easy to mark different filter units so as to facilitate operation when filtering different agents.

[0011] Furthermore, the diameter of the output end of the filling tube gradually decreases from top to bottom, making it easier to insert the filling tube into the container that needs to be filled and avoiding spillage during filling.

[0012] The above-mentioned technical solutions adopted in the embodiments of this utility model can achieve the following beneficial effects: This invention uses multiple filtration units to filter different medicines. When in use, other filtration units can be removed from the filling cylinder to prevent them from being contaminated. Each filtration unit contains multiple filter elements to achieve multi-stage filtration of the medicine, resulting in better filtration. When the filter element reaches saturation, it can be disassembled and replaced, making it more convenient and quick. Attached Figure Description

[0013] The accompanying drawings, which are included to provide a further understanding of the present invention and constitute a part of this invention, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings: Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a cross-sectional structural diagram of the present invention; Figure 3 This is a partial cross-sectional view of the filter unit located inside the filling cylinder in this utility model. Figure 4 This is a schematic diagram of the filter unit in this utility model; Figure 5 This is a cross-sectional structural diagram of the filter unit in this utility model; Figure 6This is a schematic diagram of the connection structure between the lower pressure seat and the pressure ring in this utility model.

[0014] Figure Labels 1. Filling cylinder, 2. Filtering unit, 21. Supporting frame, 22. Lower pressure seat, 23. Upper pressure component, 24. Pressure ring, 25. Operating handle, 3. Filter component, 4. Positioning baffle, 41. Positioning groove, 41a. Positioning groove, 41b. 5. Flow guide, 6. Marking plate. Detailed Implementation

[0015] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0016] The technical solutions provided by the various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0017] This utility model provides a pharmaceutical filling device with a filtering function, including a hollow filling cylinder 1 with openings at both ends and a filtering unit 2 for filtering the pharmaceuticals during filling of the filling cylinder 1. The filling cylinder 1 can be made of environmentally friendly materials such as food-grade stainless steel. The number of filtering units 2 is at least two, and they are equidistantly arranged along the length of the filling cylinder 1. The filtering units 2 can be movable to the outside of the filling cylinder 1. The specific number of filtering units 2 is not limited and can be set according to the type and quantity of pharmaceuticals to be filled or the length of the filling cylinder 1. For example, if there are three commonly used pharmaceuticals, three sets of filtering units 2 can be set, with each set of filtering units 2 corresponding to one pharmaceutical. When filling one type of medicine, the other two corresponding filter units 2 are moved to the outside of the filling cylinder 1 to avoid contamination of the other two filter units 2 during medicine filling, which could lead to a decrease in the purity of the medicine or cross-contamination. In addition, each filter unit 2 is provided with at least two filter elements 3 with different pore sizes. The filter elements 3 can be filter membranes, etc. Generally, the filter membrane with a larger pore size is installed above the filter unit 2. Multi-stage filtration is achieved when the medicine passes through the filter unit 2, resulting in better filtration effect. The filter elements 3 are detachably connected to the filter unit 2, so that when the filter elements 3 are blocked by the filtered medicine residue or reach the filtration saturation state, it is easy to disassemble and replace the filter elements 3.

[0018] Specifically, such as Figure 5-6As shown, the filter unit 2 includes a receiving frame 21 slidably connected to the filling cylinder 1, and a lower pressure seat 22 and an upper pressure member 23 threadedly connected to the receiving frame 21. The receiving frame 21 can be a square structure to facilitate sliding within the filling cylinder 1. The lower pressure seat 22 has multiple pressure rings 24 slidably connected along its axial direction, and the filter element 3 is located between two adjacent pressure rings 24. The upper pressure seat is used to exert a downward force on the uppermost pressure ring 24 to fix the filter element 3. When installing the filter element 3, the filter element 3 is placed between two adjacent pressure rings 24, and then the lower pressure seat 22 is threadedly connected to the lower part of the receiving frame 21. Then, the upper pressure member 23 is rotated downward so that the bottom end of the upper pressure member 23 abuts against the uppermost pressure ring 24, making the connection between the two adjacent pressure rings 24 tighter. Thus, the filter element 3 is clamped and fixed by the two adjacent pressure rings 24 to prevent the filter element 3 from falling out of the filter unit 2.

[0019] Preferably, both the upper pressing member 23 and the lower pressing seat 22 are provided with operating handles 25 on their inner walls, which make it easier to rotate the upper pressing member 23 and the lower pressing seat 22.

[0020] Preferably, one end of the receiving frame 21 is provided with a positioning baffle 4, and the positioning baffle 4 is provided with an elastic protrusion, which can be made of elastic material such as rubber or silicone. The inner wall of the filling cylinder 1 is provided with a positioning groove 41 corresponding to the positioning baffle 4. For ease of description, as follows... Figure 3 As shown, the positioning groove 41 is divided into positioning groove 41a and positioning groove 41b. When the supporting frame 21 is located inside the filling cylinder 1, the positioning baffle 4 is connected to the positioning groove 41a. When the supporting frame 21 is located outside the filling cylinder 1, the positioning baffle 4 is connected to the positioning groove 41b, so that the filter unit 2 will not detach from the filling cylinder 1. The cross-sectional shape of the elastic protrusion and the groove can be "C". When the positioning baffle 4 drives the elastic protrusion to move into the positioning groove 41, the elastic protrusion deforms under force and will be stuck into the corresponding groove, thereby fixing the positioning baffle 4 and the filter unit 2, so as to prevent the filter unit 2 from moving randomly in the filling cylinder 1 and affecting the filtration effect during filling.

[0021] Preferred, such as Figure 3 As shown, the inner wall of the filling cylinder 1 is provided with a flow guide shroud 5 corresponding to the filter unit 2, and the cross-sectional area of ​​the flow guide shroud 5 gradually decreases from top to bottom. It is used to guide the medicine during filling to the center of the filter unit 2, so as to prevent the medicine from flowing down the inner wall of the filling cylinder 1 when it flows in from the inlet end of the filling cylinder 1, causing the medicine to flow out from the edge of the filter unit 2 and causing leakage.

[0022] Preferably, a marking plate 6 is provided on the outer wall of the filter unit 2. The marking plate 6 can be used to record different medicines. Each medicine corresponds to a set of filter units 2 so that each filter unit 2 can be distinguished. When in use, it can be pulled out along with the filter unit 2 to the outside of the filling cylinder 1 to avoid contamination.

[0023] Preferred, such as Figure 1 As shown, the filling cylinder 1 has a cylindrical structure. The interior of the filling cylinder 1 can have a cross-sectional shape corresponding to the receiving frame 21 to better fit with the receiving frame 21. The diameter of the output end of the filling cylinder 1 gradually decreases from top to bottom so that the output end of the filling cylinder 1 can be inserted into containers of different diameters for filling.

[0024] The above description is merely an embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this utility model should be included within the scope of the claims of this utility model.

Claims

1. A pharmaceutical dispensing device with a filtering function, characterized in that, include; The filling cylinder (1) is a hollow structure with openings at both ends; A filter unit (2) for filtering the medicine during filling of the filling cylinder (1), wherein there are at least two filter units (2) and they are equidistantly arranged along the length extension direction of the filling cylinder (1). The filter unit (2) can be moved to the outside of the filling cylinder (1). The filter unit (2) is provided with at least two filter elements (3) with different pore sizes, and at least two of the filter elements (3) are detachably connected to the filter unit (2).

2. The pharmaceutical dispensing device with filtration function according to claim 1, characterized in that, The filter unit (2) includes a receiving frame (21) slidably connected to the filling cylinder (1) and a lower pressure seat (22) and an upper pressure member (23) threadedly connected to the receiving frame (21). The lower pressure seat (22) has multiple pressure rings (24) slidably connected along its axial direction, and the filter member (3) is located between two adjacent pressure rings (24). The upper pressure member (23) is used to generate a downward force on the uppermost pressure ring (24) to fix the filter member (3).

3. A drug dispensing device with filtration function according to claim 2, characterized in that, Both the upper pressure member (23) and the lower pressure seat (22) are provided with operating handles (25) on their inner walls.

4. A drug dispensing device with filtration function according to claim 2, characterized in that, One end of the receiving frame (21) is provided with a positioning baffle (4), and the inner wall of the filling cylinder (1) is provided with a positioning groove (41) corresponding to the positioning baffle (4).

5. A drug dispensing device with a filtering function according to claim 1, characterized in that, The inner wall of the filling cylinder (1) is provided with a flow guide (5) corresponding to the filter unit (2), and the cross-sectional area of ​​the flow guide (5) gradually decreases from top to bottom, which is used to guide the medicine during filling to the center of the filter unit (2).

6. A drug dispensing device with a filtering function according to claim 1, characterized in that, The outer wall of the filter unit (2) is provided with a marking plate (6).

7. A drug dispensing device with a filtering function according to claim 1, characterized in that, The diameter of the output end of the filling cylinder (1) gradually decreases from top to bottom.

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