Sterile filling infusion cover
By designing the sealing component and diversion structure of the sterile filling infusion cap, the sealing and contamination problems of the infusion cap are solved, and higher sealing and ease of use are achieved.
Patent Information
- Application Number
- CN202422525012.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-10-18
AI Technical Summary
The existing infusion cap has poor sealing performance, which easily leads to liquid leakage and is easily contaminated during use.
A sterile filling infusion cap is designed, which adopts a combined structure of a sealing component and a sealing cap. The sealing effect of the connecting cap is enhanced by the cooperation of an elastic connecting ring and a sealing ring. During use, the liquid is guided by a guide block to avoid liquid leakage and contamination.
The sealing performance of the infusion cap is improved to prevent liquid leakage, and the rubber surface is kept clean during use, making it more convenient to use.
Smart Images

Figure CN223438855U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical product technical field, concretely relates to a sterile filling infusion cover. BACKGROUND
[0002] Infusion, or large volume parenterals, are large dose injections that are administered intravenously, with a single dose of 100ml or more. It is a branch of injections, usually packaged in glass or plastic infusion bottles or bags, and does not contain bacteriostatic agents. When used, the drip speed is adjusted through the infusion device, and the drug is continuously and stably input into the body.
[0003] At present, the infusion bag bottom accessory appearing on the market includes two parts of a tube body and a sealing cover, generally the sealing cover is inserted into the tube body for sealing, so that there is a certain connection gap between the tube body and the sealing cover, which can easily cause liquid leakage, and the sealing performance is poor. Therefore, it is particularly important to improve the existing infusion cover and design a new sterile filling infusion cover to solve the above technical defects and improve the overall practicality of the infusion cover. UTILITY MODEL CONTENT
[0004] The utility model discloses a sterile filling infusion cover, when the infusion cover main part is used, the sealing assembly can increase the sealing effect of the connecting cover, thereby increasing the sealing effect of the infusion cover main part, preventing liquid leakage, and when the infusion is used, the sealing cover is unscrewed from the outer side of the threaded block and separated, then the infusion needle is used to pass through the connecting groove, and the through groove is used to penetrate into the infusion medicament, the rubber surface of the infusion cover has a sealing protection effect, avoids surface dust pollution, has needle guiding, is more convenient to use, improves the overall practicality of the infusion cover, and solves the problems in the background art.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] A sterile filling infusion cover, comprising an infusion cover main part, a connecting cover is arranged in the infusion cover main part, a sealing assembly is arranged in the connecting cover, through grooves are formed in the infusion cover main part and the connecting cover, a threaded block is arranged at the top of the infusion cover main part, and a sealing cover is arranged at the end, away from the infusion cover main part, of the threaded block.
[0007] The sealing assembly is used to increase the sealing effect of the connecting cover.
[0008] As the preferred scheme of the utility model, the sealing assembly is composed of a first threaded groove, elastic connecting rings and an elastic sealing ring, the first threaded groove is arranged in the inside of the connecting cover, a plurality of the elastic connecting rings are fixedly connected to the inside of the infusion cover main body and the outside of the connecting cover respectively, and the elastic sealing ring is located in the inside of the connecting cover and outside the first threaded groove.
[0009] As the preferred scheme of the utility model, the elastic connecting ring is designed in a semicircular structure, and a plurality of the elastic connecting rings are connected to each other.
[0010] As the preferred scheme of the utility model, the inside of the connecting cover is provided with a flow guide block, the outside of the flow guide block is designed in an inclined structure, a flow guide groove is arranged in the inside of the flow guide block, and the flow guide groove is designed in an arc structure.
[0011] As the preferred scheme of the utility model, a second threaded groove is arranged in the inside of the sealing cover, the inside structure size of the second threaded groove is designed in correspondence with the outside structure size of the threaded block, and the sealing cover is connected with the threaded block through the second threaded groove.
[0012] As the preferred scheme of the utility model, a connecting groove is arranged in the inside of the threaded block, and the inside of the connecting groove is designed in a mutual communication structure with the through groove.
[0013] As the preferred scheme of the utility model, a sealing groove is arranged in one end of the connecting groove close to the sealing cover, a sealing limiting ring is arranged in the inside of the sealing groove, a sealing block is arranged in one end of the sealing cover close to the threaded block, the outside structure size of the sealing block is designed in correspondence with the inside structure size of the sealing groove, the sealing block is connected with the sealing groove through the sealing limiting ring, and a plurality of elastic extrusion blocks are arranged in the inside of the sealing limiting ring.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] In the utility model, when the infusion cover main body is displaced, the connecting cover is in contact with the bottle mouth, the caliber of the connecting cover is slightly smaller than that of the bottle mouth, the first threaded groove is connected with the threads of the bottle mouth, the connecting cover is expanded by the extrusion of the bottle mouth, a plurality of the elastic connecting rings are extruded, the elastic connecting rings generate rebound force by the extrusion, the connecting cover is displaced, the bottle mouth is adhered to the outside of the bottle mouth, the elastic sealing ring is matched, the bottle mouth is sealed, the sealing effect of the infusion cover main body is improved, when the infusion is used, the sealing cover is unscrewed from the outside of the threaded block, the infusion needle is inserted into the connecting groove, the infusion needle is inserted into the infusion medicine through the through groove, the rubber surface of the infusion cover is sealed and protected, the surface is not polluted by dust, the infusion needle is guided, and the use is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0016] Fig. 1 It is the whole structure schematic view of the utility model;
[0017] Fig. 2 It is the sealing assembly structure schematic view of the utility model;
[0018] Fig. 3 It is the sealing limit ring structure schematic view of the utility model.
[0019] In the drawing: 1, infusion cover main body;2, connecting cover;3, sealing assembly;4, through slot;5, threaded block;6, sealing cover;7, first threaded groove;8, elastic connecting ring;9, elastic sealing ring;10, flow guide block;11, flow guide groove;12, connecting groove;13, sealing groove;14, sealing limit ring;15, elastic extrusion block. Specific implementation
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0021] Embodiment:
[0022] Please refer to Figs. 1-3 The utility model provides a technical scheme:
[0023] A sterile filling infusion cover, including infusion cover main body 1, the inside of infusion cover main body 1 is equipped with connecting cover 2, the inside of connecting cover 2 is equipped with sealing assembly 3, the inside of infusion cover main body 1 and connecting cover 2 is all equipped with through slot 4, and the top of infusion cover main body 1 is equipped with threaded block 5, and the end of threaded block 5 away from infusion cover main body 1 is equipped with sealing cover 6;
[0024] Sealing assembly 3 is used to increase the use sealing effect of connecting cover 2.
[0025] Further, sealing assembly 3 is composed of first threaded groove 7, elastic connecting ring 8 and elastic sealing ring 9, first threaded groove 7 is opened in the inside of connecting cover 2, a plurality of elastic connecting ring 8 is fixedly connected to the inside of infusion cover main body 1 and the outside of connecting cover 2 respectively, and elastic sealing ring 9 is located in the inside of connecting cover 2 and is located at the outside of first threaded groove 7, when infusion cover main body 1 is used, the sealing effect of connecting cover 2 can be increased by sealing assembly 3, so that the sealing effect of infusion cover main body 1 can be increased, and the problem of liquid leakage can be prevented.
[0026] The elastic connecting ring 8 is designed in a semicircular structure, and multiple elastic connecting rings 8 are connected with each other, and connected with the inside of the infusion cover main body 1 and the outside of the connecting cover 2. When the infusion cover main body 1 is displaced, the connecting cover 2 contacts the bottle opening, the caliber of the connecting cover 2 is slightly smaller than the caliber of the bottle opening, the first threaded groove 7 is connected with the threads of the bottle opening, so that the connecting cover 2 is extruded and opened by the bottle opening, and multiple elastic connecting rings 8 are extruded, the elastic connecting ring 8 generates a rebound force under extrusion, drives the connecting cover 2 to displace, and fits the outside of the bottle opening, cooperates with the elastic sealing ring 9, and seals the bottle opening, so that the sealing effect of the infusion cover main body 1 can be improved.
[0027] Secondly, the inside of the connecting cover 2 is provided with a flow guide block 10, the outside of the flow guide block 10 is designed in an inclined structure, and the inside of the flow guide block 10 is provided with a flow guide groove 11 designed in an arc structure. When the connecting cover 2 is used, the inclined outside and the flow guide groove 11 in the inside can guide the liquid in the bottle body, prevent the liquid from splashing into the inside of the infusion cover main body 1, and cause the liquid to leak.
[0028] Furthermore, the inside of the sealing cover 6 is provided with a second threaded groove, the inside structure size of the second threaded groove is designed in correspondence with the outside structure size of the threaded block 5, the sealing cover 6 is connected with the threaded block 5 through the second threaded groove, the second threaded groove is threadedly connected with the threaded block 5, so that the sealing cover 6 can be connected with the threaded block 5.
[0029] Furthermore, the inside of the threaded block 5 is provided with a connecting groove 12, the connecting groove 12 and the inside of the through groove 4 are designed in a mutual communication structure, the connecting groove 12 is connected with the through groove 4, when the infusion cover main body 1 is used, the connecting groove 12 can be connected with the bottle body, when infusion is used, the sealing cover 6 is unscrewed from the outside of the threaded block 5, then the infusion needle is used to pass through the connecting groove 12 and then passes through the through groove 4 to be used in the infusion medicine, the rubber surface of the infusion cover has a sealing protection effect, avoids surface dust pollution, and has a needle guiding function, and use is more convenient.
[0030] Furthermore, the end of the connecting groove 12 close to the sealing cover 6 is provided with a sealing groove 13, the inside of the sealing groove 13 is provided with a sealing limiting ring 14, the end of the sealing cover 6 close to the threaded block 5 is provided with a sealing block, the outside structure size of the sealing block is designed in correspondence with the inside structure size of the sealing groove 13, the sealing block is connected with the sealing groove 13 through the sealing limiting ring 14, the inside of the sealing limiting ring 14 is provided with multiple elastic extrusion blocks 15, the sealing block is connected with the sealing limiting ring 14, the sealing block is connected with the sealing groove 13 through cooperation with the multiple elastic extrusion blocks 15, so that the sealing cover 6 can be connected with the threaded block 5, and the sealing property of the connection between the sealing cover 6 and the threaded block 5 is improved.
[0031] In this embodiment, the implementation scene is specifically: when the infusion cover main body 1 is displaced, the connecting cover 2 is in contact with the bottle mouth, the caliber of the connecting cover 2 is slightly smaller than the caliber of the bottle mouth, the first threaded groove 7 is connected with the thread of the bottle mouth, so that the connecting cover 2 is extruded and opened by the bottle mouth, a plurality of elastic connecting rings 8 are extruded, the elastic connecting rings 8 generate rebound force under extrusion, drive the connecting cover 2 to displace, fit the outside of the bottle mouth, cooperate with the elastic sealing ring 9 to seal the bottle mouth, so that the sealing effect of the infusion cover main body 1 can be increased, when the connecting cover 2 is used, the inclined shape of the cooperating outside and the internal flow guide groove 11 can guide the liquid in the bottle body, prevent the liquid from splashing into the inside of the infusion cover main body 1, cause the leakage of the liquid, when the infusion is used, the sealing cover 6 is unscrewed from the outside of the threaded block 5 and separated, then the infusion needle is used to pass through the connecting groove 12, pass through the through groove 4 and be used in the infusion medicament, the rubber surface of the infusion cover has a sealing protection effect, avoids surface dust pollution, and has needle guiding, is more convenient to use, the sealing block is connected with the sealing limiting ring 14, a plurality of elastic extrusion blocks 15 are cooperated, so that the sealing block can be sealed and connected with the sealing groove 13, so that the sealing cover 6 can be connected with the threaded block 5, the sealing property of the connection of the sealing cover 6 and the threaded block 5 is increased, compared with the existing infusion cover, the whole practicability of the infusion cover can be improved through the design.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A sterile filling infusion cap, comprising an infusion cap body (1), characterized in that: A connecting cover (2) is provided inside the infusion cover body (1), a sealing assembly (3) is provided inside the connecting cover (2), a through groove (4) is provided inside both the infusion cover body (1) and the connecting cover (2), a threaded block (5) is provided on the top of the infusion cover body (1), and a sealing cover (6) is provided at one end of the threaded block (5) away from the infusion cover body (1); The sealing assembly (3) is used to increase the sealing effect of the connection cover (2).
2. The aseptic filling infusion cap according to claim 1, characterized in that: The sealing assembly (3) is composed of a first thread groove (7), an elastic connecting ring (8) and an elastic sealing ring (9); the first thread groove (7) is opened inside the connecting cover (2); multiple groups of the elastic connecting rings (8) are respectively fixedly connected to the inside of the infusion cover body (1) and the outside of the connecting cover (2); the elastic sealing ring (9) is located inside the connecting cover (2) and outside the first thread groove (7).
3. The aseptic filling infusion cap according to claim 2, characterized in that: The elastic connecting ring (8) is designed to have a semicircular structure, and multiple groups of the elastic connecting rings (8) are connected to each other.
4. The aseptic filling infusion cap according to claim 1, characterized in that: A guide block (10) is provided inside the connection cover (2), the outer side of the guide block (10) is designed in an inclined structure, and a guide groove (11) is provided inside the guide block (10), and the guide groove (11) is designed in an arc-shaped structure.
5. The aseptic filling infusion cap according to claim 1, characterized in that: A second thread groove is provided inside the sealing cover (6), and the internal structure and size of the second thread groove are designed to correspond to the external structure and size of the thread block (5). The sealing cover (6) is connected to the thread block (5) via the second thread groove.
6. The aseptic filling infusion cap according to claim 1, characterized in that: A connecting groove (12) is provided inside the threaded block (5), and the connecting groove (12) and the interior of the through groove (4) are designed to be interconnected.
7. The aseptic filling infusion cap according to claim 6, characterized in that: A sealing groove (13) is provided at one end of the connection groove (12) close to the sealing cover (6), a sealing limit ring (14) is provided inside the sealing groove (13), and a sealing block is provided at one end of the sealing cover (6) close to the threaded block (5). The external structure size of the sealing block is designed to correspond to the internal structure size of the sealing groove (13), the sealing block is connected to the sealing groove (13) through the sealing limit ring (14), and a plurality of groups of elastic extrusion blocks (15) are provided inside the sealing limit ring (14).