Film cover for infusion
By designing the infusion film cover, combined with the innovative structure of the cap body and easy-to-tear sealing film, the problem of easy disassembly of medicinal bottle caps and difficult to balance anti-fouling and sewage insulation is achieved, and the dual technical effects of convenient opening and efficient anti-fouling are achieved.
Patent Information
- Application Number
- CN202422115444.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-08-29
AI Technical Summary
Existing medicinal bottle caps are difficult to balance between easy disassembly and anti-fouling insulation properties, resulting in an increased risk of drug storage and use.
A film cover for infusion is designed, including a cover body and a tear-free sealing film. A rectangular port and a cube-shaped needle groove are provided on the top of the cover body. The tear-free sealing film is fixed by the film pressing process, combined with the limit flange and bevel groove design, achieving convenient opening and anti-fouling effect.
It realizes convenient disassembly and efficient anti-fouling of medicinal bottle caps, enhances sealing performance, reduces the risk of damage to the handheld during operation, and improves the comfort and safety of use.
Smart Images

Figure CN223196324U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of infusion medical supplies, and in particular to a film cover for infusion. Background Art
[0002] With the continuous advancement of medical technology, infusion therapy is becoming more and more widely used in the medical field, which has also put forward higher requirements for the upgrading of infusion products. In particular, the design of pharmaceutical bottle caps must not only meet the requirements of convenient disassembly, but also ensure the long-term anti-fouling and anti-contamination performance.
[0003] Currently, pharmaceutical bottle caps on the market suffer from a number of design deficiencies. The most prominent issue lies in the balance between structural design and anti-fouling and isolation functions. While some bottle caps offer ease of removal, they often lack the ability to maintain the cleanliness and anti-fouling properties of the medication. Conversely, some bottle caps incorporate numerous sealing and anti-fouling components to enhance their anti-fouling and cleanliness requirements, but these components hinder ease of removal. This poses potential risks to the storage and use of medications and increases inconvenience during medical procedures. Utility Model Content
[0004] In order to provide a medicinal bottle cap that is easy to disassemble and has good anti-fouling effect, the present application provides a film cap for infusion.
[0005] The present application provides a film cap for infusion, which adopts the following technical solution:
[0006] A film cover for infusion, comprising a cover body and an easy-to-tear sealing film, wherein the easy-to-tear sealing film is covered and arranged on the top of the cover body, the easy-to-tear sealing film comprising a film body and a hand-held portion integrally arranged on both sides of the film body, the top of the cover body is provided with two rectangular through openings to form a cover opening, a cover ring and a rubber cover are fixedly provided in the cover opening, a groove is provided on the top of the rubber cover to form a needle port slot, the needle port slot is arranged in a gourd shape, and a circular groove is provided at the bottom of the needle port slot to form a positioning point.
[0007] By adopting the above technical solution, the membrane body is designed to be circular according to the shape of the cover body, and is fixedly bonded to the top of the cover body through a film pressing process. This design enhances the sealing performance of the bottle cap. In actual operation, medical personnel only need to grab the handheld part to tear off the easy-to-tear sealing film to perform the needle insertion operation, while achieving the dual technical effects of easy disassembly and anti-fouling. At the same time, the shape of the handheld part is semicircular. This semicircular shape not only presents beauty, but also provides the user with a comfortable grip in actual operation. Through the setting of the needle mouth groove, the needle mouth groove is used to cooperate with the insertion of the needle to facilitate the removal of medicine.
[0008] In a specific possible implementation scheme, the cover body is set to a cylindrical shape, the membrane body is set to a circular shape according to the top shape of the cover body, the membrane body is fixedly bonded to the top of the cover body through a lamination process, and a limiting flange is opened along the outer edge of the top contour of the cover body.
[0009] By adopting the above technical solution, the cylindrical shape of the cover increases the stability and practicality of the product, and a limiting flange is provided on the outer edge of the cover. This design enhances the sealing performance of the bottle cap, prevents the membrane body from shifting or deviating, has a better fixing effect on the membrane body, and improves the sealing and anti-fouling technical effects of the easy-to-tear sealing film.
[0010] In a specific possible implementation scheme, a bevel groove is provided between the limiting flanges, and the bevel groove is configured as a semicircular groove opened from the top of the cover body toward the side of the cover body. The bevel groove is provided at two opposite locations, and a plurality of evenly spaced protrusions are provided in the bevel groove to form a film pressing protrusion.
[0011] By adopting the above technical solution, the bevel groove between the limiting flanges is designed as a semicircular groove, and is opened from the top of the cover body to the side. It is not only beautiful, but also has a guiding function, which makes it easier for medical staff to tear off the easy-to-tear sealing film. The multiple film-pressing handles evenly spaced in the bevel groove not only enhance the structural strength of the bottle cap, but also facilitate users to tear off the sealing film. Especially during the film pressing process, it can improve the film pressing effect of the handheld part and avoid tearing or other damage caused by the large stress deformation of the handheld part during the film pressing process.
[0012] In a specific possible implementation scheme, the film pressing protrusions are distributed in a circular arrangement shape, and the end of the film pressing protrusion away from the cover body is set as a combination of an arc surface and an inclined surface, the arc surface is set on the side of the film pressing protrusion close to the top of the cover body, and the inclined surface is opened downward along the direction of the arc surface away from the top of the cover body.
[0013] By adopting the above technical solution, the arrangement shape of the film pressing handle is circular, and the arc and inclined surface combination designed at its end makes it convenient for medical staff to apply force to tear off the sealing film, and avoids the risk of damage when pressing the film with the handheld part.
[0014] In a specific possible implementation scheme, the cover ring is fixedly arranged in the cover opening, the cover ring and the cover opening are arranged to be frame ring shapes with matching shapes, the top of the cover ring is lower than the top of the cover opening, a shoulder is formed between the cover ring and the cover opening, and a limiting boss is provided on the side of the rubber cover, and the limiting boss is matched with the shoulder.
[0015] By adopting the above technical solution, the shoulder design between the rubber cap and the cover ring and the matching setting of the limiting boss further ensure the sealing and tight fixation of the bottle mouth, and achieve the technical effect of sealing and anti-fouling on the basis of ensuring firm fixation.
[0016] In a specific embodiment, the inner wall of the cover ring is integrally provided with a columnar protrusion to form a positioning rubber column, and a notch groove is opened on one side of the rubber cover close to the positioning rubber column to form a fixing groove, and the fixing groove is provided in cooperation with the positioning rubber column.
[0017] By adopting the above technical solution, the positioning rubber column formed by the columnar protrusion on the inner wall of the cover ring is matched with the notch groove on the rubber cover, which not only facilitates the tightness of the rubber cover and the cover body after one-time molding through two-color glue injection, but also enhances its stability and simplifies the processing steps.
[0018] In a specific possible implementation manner, a plurality of cover ring glue reduction grooves are provided at the bottom of the cover ring, and a plurality of grooves are provided at the bottom of the rubber cover to form rubber cover glue reduction grooves.
[0019] By adopting the above technical solution and the glue reduction groove design of the cover ring and the rubber cover, the weight of the product is reduced while ensuring the strength, which is more environmentally friendly and energy-saving, and achieves a lightweight design.
[0020] In a specific possible implementation manner, a cavity is provided inside the cover body to form an inner cavity, and an outer edge portion is provided at the outer edge of the bottom of the cover body.
[0021] By adopting the above technical solution, the inner cavity set inside the cover body provides a safe and sealed storage environment, while the outer edge design at the bottom of the cover body enhances the stability of the bottle cap and prevents accidental opening caused by extrusion deformation due to external force.
[0022] In summary, this application has the following beneficial technical effects:
[0023] 1. The easy-tear sealing film covers the top of the cap, with the film body and two handles on both sides. This design makes it easy for users to open the bottle cap. Two rectangular openings are opened at the top of the cap, forming the cover opening, which contains the cover ring and rubber cover. The rubber cover is molded with the cap body through two-color glue injection, providing secondary sealing protection for the drug. Through the above configuration, this product can achieve the dual technical effects of easy disassembly and anti-fouling.
[0024] 2. Through the design of the bevel groove, the bevel groove is a semicircular groove opened from the top of the cover body to the side of the cover body. This design provides space for the hand-held part to move. The distal end of the film pressing handle is set as a combination of arc surface and bevel. This design takes into account the deformation process of the hand-held part when bending and pressing the film, so that the film pressing handle can better adapt to this process, thereby reducing the risk of damage to the hand-held part due to stress deformation. When the cover body is used to seal or open certain packages, the presence of the bevel groove makes the entire operation process smoother and more efficient. The volume of the film pressing handle on the side away from the top of the cover body is set to the maximum. This design not only strengthens the support strength on this side, but also enables the end face of the hand-held part to be lifted outward at a certain angle, thereby facilitating the grabbing and tearing of the easy-to-tear sealing film. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 is a cross-sectional view of an embodiment of the present application;
[0026] Figure 2 and Figure 4 It is an exploded schematic diagram of an embodiment of the present application;
[0027] Figure 3 yes Figure 2 A partial enlarged view of point A in the middle;
[0028] Figure 5 It is a bottom view of the embodiment of the present application.
[0029] Explanation of the accompanying reference numerals: 1. Easy-to-tear sealing film; 11. Hand-held part; 12. Membrane body; 2. Cover body; 21. Bevel groove; 22. Cover ring; 221. Shoulder; 222. Positioning rubber column; 223. Cover ring rubber reduction groove; 23. Cover opening; 24. Film pressing handle; 25. Limiting flange; 241. Arc surface; 242. Bevel; 3. Rubber cover; 31. Needle mouth groove; 32. Positioning point; 33. Rubber cover rubber reduction groove; 34. Fixing groove; 35. Limiting boss; 4. Inner cavity; 5. Outer edge. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1-Figure 5 This application is described in further detail.
[0031] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.
[0032] The present application discloses a film cover for infusion, referring to Figure 1 and Figure 2, comprising a cover body 2 and an easy-to-tear sealing film 1, the easy-to-tear sealing film 1 covering the top of the cover body 2, and the easy-to-tear sealing film 1 comprising a film body 12 and a handle 11 integrally arranged on both sides of the film body 12. The cover body 2 is set in a cylindrical shape, and the film body 12 is set in a circular shape according to the top shape of the cover body 2. The film body 12 is fixedly bonded to the top of the cover body 2 through a lamination process. To ensure that the film body 12 better matches the top of the cover body 2, a limiting flange 25 is provided along the outer edge of the top contour of the cover body 2. The limiting flange 25 is two arc-shaped protrusions arranged in opposite directions. The limiting flange 25 is used to limit the position of the film body 12, preventing the film body 12 from deviating and sliding, and helping to improve the sealing protection effect of the film body 12 on the top of the cover body 2. When the film body 12 is pressed on the top of the cover body 2, the limiting flange 25 can cooperate with the lamination equipment for positioning, thereby improving processing accuracy. In the embodiment of the present application, in order to improve the positioning effect with the lamination equipment, it is preferred to set a notch in the middle of the limiting flange 25.
[0033] Reference Figure 3 and Figure 4 Between the limiting flanges 25, that is, between the two arc-shaped protrusions, is a beveled groove 21. The beveled groove 21 is configured as a semicircular groove extending from the top of the cover body 2 toward the side of the cover body 2. The handle 11 is configured as a semicircular groove corresponding to the beveled groove 21. The beveled groove 21 is provided at two opposing locations. A plurality of evenly spaced protrusions 24 are provided within the beveled grooves 21 to form film pressing protrusions. The film pressing protrusions 24 are used to cooperate with the handle 11 during the film pressing process. After the handle 11 is folded, it is fixedly bonded to the beveled groove 21 through the film pressing process. In order to improve the film pressing effect of the handheld portion 11 and avoid damage to the handheld portion 11 caused by large stress deformation during the film pressing process, multiple film pressing protrusions 24 are distributed in a circular arrangement shape, and the end of the film pressing protrusion 24 away from the cover body 2 is set as a combination of an arc surface 241 and an inclined surface 242, wherein the arc surface 241 is set on the side of the film pressing protrusion 24 close to the top of the cover body 2, and the inclined surface 242 is opened downward along the direction of the arc surface 241 away from the top of the cover body 2. When the multiple film pressing protrusions 24 are distributed, the film pressing protrusion 24 close to the top of the cover body 2 is set to the smallest volume, and the pressing The volume of the film pressing handle 24 gradually increases in the direction away from the top of the cover body 2. In the embodiment of the present application, the volume of the film pressing handle 24 is set to three levels, among which the volume of the film pressing handle 24 on the side away from the top of the cover body 2 is set to the largest. Through the above setting, the film pressing handle 24 can adapt to the deformation process when the hand-held part 11 is bent to press the film, reducing the stress deformation damage caused to the hand-held part 11 during the film pressing process. The volume of the film pressing handle 24 on the side away from the top of the cover body 2 is set to the largest, which can make the end surface of the hand-held part 11 lift outward at a certain angle, so that the easy-to-tear sealing film 1 is easy to be grabbed and torn.
[0034] Reference Figure 3 and Figure 5The top of the cover body 2 is provided with two rectangular openings forming a cover opening 23. A cover ring 22 is provided at the cover opening 23. The cover ring 22 is fixedly mounted within the cover opening 23. The cover ring 22 and the cover opening 23 are configured as a frame ring with matching shapes. The top of the cover ring 22 is lower than the top of the cover opening 23. This configuration forms a shoulder 221 between the cover ring 22 and the cover opening 23. The bottom of the cover ring 22 is provided with multiple cover ring glue reduction grooves 223. The cover ring glue reduction grooves 223 are used to reduce the amount of glue used in the cover ring 22, thereby reducing the weight of the cover ring 22. The inner wall of the cover ring 22 is integrally provided with a columnar protrusion forming a positioning glue column 222.
[0035] The cover 23 is integrally formed with a rubber cover 3. This cover 3 is molded with the cover body 2 using a two-color glue injection process. Two rubber covers 3 are provided, corresponding to the cover 23. The top of the cover 3 has a gourd-shaped groove forming a needle slot 31. The bottom of the slot 31 has a circular groove forming a positioning point 32. The positioning point 32 positions and guides the needle during insertion. A limiting boss 35 is provided on the side of the cover 3. The limiting boss 35 aligns with the shoulder 221, improving the sealing performance of the cover 3 and increasing the contact area between the cover 3 and the cover 23. A notched groove forms a fixing slot 34 on the side of the cover 3 near the positioning rubber post 222. The fixing slot 34 cooperates with the positioning rubber post 222 to secure the cover 3 and prevent it from rotating within the cover 23. The bottom of the cover 3 has multiple grooves forming a rubber cover reduction slot 33, which is used to lightweight the cover 3.
[0036] The lid 2 has a hollow interior, forming an inner cavity 4, which allows the lid 2 to fit snugly within the bottle opening. A rim 5 is provided on the bottom outer edge of the lid 2 to enhance its strength. The inner cavity 4 provides a secure and sealed storage environment, while the rim 5 enhances the stability of the bottle cap, preventing it from accidentally opening due to external forces and deformation.
[0037] The implementation principle of the embodiment of the present application is as follows: a film cap for infusion according to the present invention is suitable for any size, including a rubber cap 3, a cover ring 22, a cover body 2 and an easy-to-tear sealing film 1 arranged on the top of the cover body 2, which are arranged in sequence from the inside to the outside. The rubber cap 3 is fixed in the cover opening 23 by the cover ring 22, and the cover opening 23 is sealed, so that the bottle cap can achieve the technical effect of sealing and anti-fouling. The easy-to-tear sealing film 1 is fixedly bonded to the top of the cover body 2 through a film pressing process, which plays a sealing role on the rubber cap 3 and the cover opening 23. In actual operation, medical personnel only need to grab the handheld part 11 to tear off the easy-to-tear sealing film 1 to perform the needle insertion operation, which can achieve the dual technical effects of easy disassembly and anti-fouling at the same time.
[0038] The above-described embodiments merely represent implementation methods of the utility model. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the utility model, and these modifications would fall within the scope of protection of the utility model. Therefore, any equivalent changes based on the structure, shape, and principle of the present application would be encompassed within the scope of protection of the present application.
Claims
1. A film cover for infusion, characterized by: The invention comprises a cover body (2) and an easy-to-tear sealing film (1), wherein the easy-to-tear sealing film (1) is covered on the top of the cover body (2), and the easy-to-tear sealing film (1) comprises a film body (12) and a hand-held portion (11) integrally arranged on both sides of the film body (12), and two rectangular openings are provided on the top of the cover body (2) to form a cover opening (23), a cover ring (22) and a rubber cover (3) are fixedly provided in the cover opening (23), a groove is provided on the top of the rubber cover (3) to form a needle mouth groove (31), the needle mouth groove (31) is arranged in a gourd shape, and a circular groove is provided at the bottom of the needle mouth groove (31) to form a positioning point (32).
2. The film cap for infusion according to claim 1, characterized in that: The cover body (2) is configured to be cylindrical in shape, the membrane body (12) is configured to be circular according to the top shape of the cover body (2), the membrane body (12) is fixedly bonded to the top of the cover body (2) through a lamination process, and a limiting flange (25) is provided along the outer edge of the top contour of the cover body (2).
3. The film cap for infusion according to claim 2, characterized in that: A bevel groove (21) is provided between the limiting flanges (25), and the bevel groove (21) is provided as a semicircular groove opened from the top of the cover body (2) toward the side of the cover body (2), and the bevel groove (21) is provided at two opposite locations. A plurality of evenly spaced protrusions are provided in the bevel groove (21) to form a film pressing protrusion (24).
4. The film cap for infusion according to claim 3, characterized in that: The film pressing protrusions (24) are arranged in a circular shape, and one end of the film pressing protrusions (24) away from the cover body (2) is set as a combination of an arc surface (241) and an inclined surface (242). The arc surface (241) is set on the side of the film pressing protrusion (24) close to the top of the cover body (2), and the inclined surface (242) is opened downward along the direction of the arc surface (241) away from the top of the cover body (2).
5. The film cap for infusion according to claim 1, characterized in that: The cover ring (22) is fixedly arranged in the cover opening (23); the cover ring (22) and the cover opening (23) are arranged in a frame ring shape with matching shapes; the top of the cover ring (22) is lower than the top of the cover opening (23); a shoulder (221) is formed between the cover ring (22) and the cover opening (23); a limiting boss (35) is arranged on the side of the rubber cover (3); the limiting boss (35) is matched with the shoulder (221).
6. The film cap for infusion according to claim 1, characterized in that: The inner wall of the cover ring (22) is integrally provided with a columnar protrusion to form a positioning rubber column (222), and a notch groove is provided on one side of the rubber cover (3) close to the positioning rubber column (222) to form a fixing groove (34), and the fixing groove (34) is arranged in cooperation with the positioning rubber column (222).
7. The film cap for infusion according to claim 1, characterized in that: The bottom of the cover ring (22) is provided with a plurality of cover ring glue reduction grooves (223), and the bottom of the rubber cover (3) is provided with a plurality of grooves to form rubber cover glue reduction grooves (33).
8. The film cap for infusion according to claim 1, characterized in that: The cover body (2) is provided with a cavity inside to form an inner cavity (4), and the outer edge of the bottom of the cover body (2) is provided with an outer edge portion (5).