WO2024066361A1

WO2024066361A1 - Medicine tube cap

Info

Publication number: WO2024066361A1
Application number: PCT/CN2023/092486
Authority: WO
Inventors: 鲍博杰; 鲍亚华
Original assignee: 北京中泰邦医药科技有限公司
Priority date: 2022-09-30
Filing date: 2023-05-06
Publication date: 2024-04-04
Also published as: CN218930342U

Abstract

A medicine tube cap, comprising a middle cover (10). The middle cover (10) comprises a medicine-application extending pipe (11), a moving sleeve (12) and a fixed sleeve (13), wherein an upper part of the moving sleeve (12) is in communication with the medicine-application extending pipe (11), and the edge of a lower part of the moving sleeve (12) is in sealed connection with the edge of an upper part of the fixed sleeve (13); a partition plate (14) is fixed in the fixed sleeve (13), the partition plate (14) is provided with a through hole (141), and the partition plate (14), the moving sleeve (12) and the fixed sleeve (13) enclose a deformable medicine storage cavity (17); a through-hole blocking plate (15) is mounted on the partition plate (14) in a hinged manner, one end of a connecting rod (16) being connected to the moving sleeve (12), and the other end of the connecting rod (16) being connected to the through-hole blocking plate (15); and the moving sleeve (12) is compressed towards the fixed sleeve (13) to make the space of the medicine storage cavity (17) decrease, and the connecting rod (16) pushes the through-hole blocking plate (15) to block the through hole (141). Since the process of compressing the moving sleeve towards the fixed sleeve is easy to control, a user can conveniently control the output dosage of cream, thereby making the usage more convenient.

Description

Drug tube cap

Technical Field

The utility model belongs to the technical field of drug packaging, and in particular relates to a drug tube cap.

Background technique

Cream refers to a semi-solid external preparation with a certain consistency made by uniformly mixing a drug with a suitable matrix. Creams are uniform, delicate, and have appropriate viscosity. They are easy to apply to the skin or mucous membranes and mainly play a local therapeutic role. The drug packaging used to contain creams is usually tubular, with a tube cap threaded at the end of the tubular body. The cream is squeezed through the opening of the tubular body and the hole at the end of the tube cap, and the cream is further applied to the application area. However, it is difficult to control the amount of cream discharged by squeezing the tubular body (due to the air in the tubular body, no cream may be squeezed out when the tubular body is initially squeezed, but a large amount of cream may suddenly be squeezed out after squeezing to a certain extent), resulting in insufficient drug discharge to meet demand, or excessive drug discharge that cannot be recovered into the tubular body after use and causes drug waste.

Utility Model

The purpose of the utility model is to provide a medicine tube cap with precise extrusion function.

The technical solution of the utility model to solve the above technical problems is as follows: a drug tube cap, comprising: a middle cover, the middle cover comprises a drug application extension tube, a movable sleeve and a fixed sleeve, the upper part of the movable sleeve is connected to the drug application extension tube, and the lower edge of the movable sleeve is sealed and connected to the upper edge of the fixed sleeve; a partition is fixed inside the fixed sleeve, a through hole is provided on the partition, and the partition, the movable sleeve and the fixed sleeve surround to form a variable drug storage cavity; a through hole baffle is hingedly installed on the partition, one end of the connecting rod is connected to the movable sleeve, and the other end of the connecting rod is connected to the through hole baffle; the movable sleeve is compressed toward the fixed sleeve to reduce the space of the drug storage cavity, and the connecting rod pushes the through hole baffle to cover the through hole.

The medicine tube cap of the utility model as described above further includes an elastic reset member, which is installed in the medicine storage cavity, one end of the elastic reset member is stopped by a movable sleeve, and the other end of the elastic reset member is stopped by a partition.

The utility model is a medicine tube cap as described above, and further, the inner wall of the fixed sleeve is provided with a first internal thread structure, and the first internal thread structure is used to connect to the external thread at the top of the tubular body.

The utility model is a medicine tube cap as described above, and further, the inner wall of the fixed sleeve is provided with an annular protrusion around the inner end of the medicine outlet channel.

The utility model is a drug tube cap as described above, further, an outer wall of the fixed sleeve is provided with an external thread structure; the drug tube cap also includes a top cover, one end of the top cover is provided with a spike portion, and the other end of the top cover is provided with a second internal thread, and the second internal thread is adapted to the external thread structure.

The utility model is a medicine tube cap as described above, and further, an anti-slip groove is provided on the surface of the top cover.

Install the drug tube cap to the drug outlet of the tubular body. The user squeezes the tubular body to allow the cream to enter the drug storage cavity. At this time, the user can release the squeezing of the tubular body, or continue squeezing (to avoid the cream from recovering the tubular body). The user compresses the movable sleeve toward the fixed sleeve to reduce the space of the drug storage cavity. The connecting rod pushes the through-hole baffle to block the through-hole. At this time, since the through-hole on the partition has been blocked and the space of the drug storage cavity is gradually reduced, the cream in the drug storage cavity is squeezed out from the drug outlet channel of the drug extension tube under the pressure and then applied to the use site. Since the process of compressing the movable sleeve toward the fixed sleeve is easy to control, the user can easily control the amount of cream discharged, which is more convenient to use.

BRIEF DESCRIPTION OF THE DRAWINGS

The above and/or other advantages of the present invention will become clearer and easier to understand through the detailed description combined with the following drawings. These drawings are only schematic and do not limit the present invention, among which:

FIG1 is a first view of a middle cover of a medicine tube cap according to an embodiment of the utility model;

FIG2 is a second view of the middle cover of the medicine tube cap according to an embodiment of the utility model;

FIG3 is a schematic cross-sectional view of a middle cover of a medicine tube cap according to an embodiment of the present invention;

FIG4 is a partial enlarged schematic diagram of FIG3 ;

FIG5 is a schematic diagram of a first foldable portion and a fixed sleeve according to an embodiment of the utility model;

FIG6 is a first view of the top cover of the medicine tube cap according to an embodiment of the utility model;

FIG. 7 is a second schematic diagram of the top cover of the medicine tube cap according to an embodiment of the utility model.

In the attached drawings, the parts represented by the reference numerals are as follows:

10. middle cover, 11. drug application extension tube, 111. drug outlet channel, 12. movable sleeve, 13. fixed sleeve, 131. first internal thread structure, 14. partition, 141. through hole, 15. through hole baffle, 16. connecting rod, 17. drug storage cavity, 18. annular protrusion, 20. top cover, 21. anti-slip groove, 22. spike portion, 23. second internal thread.

Implementation

Hereinafter, an embodiment of the medicine tube cap of the present invention will be described with reference to the accompanying drawings.

The embodiments described herein are specific embodiments of the present utility model, which are used to illustrate the concept of the present utility model. They are all explanatory and exemplary and should not be interpreted as limiting the embodiments of the present utility model and the scope of the present utility model. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the contents disclosed in the claims and specification of this application, including technical solutions that adopt any obvious replacements and modifications to the embodiments described herein.

The drawings in this specification are schematic diagrams to assist in explaining the concept of the utility model and schematically represent the shapes of the various parts and their interrelationships. Please note that in order to clearly show the structures of the various components of the embodiments of the utility model, the drawings are not drawn to the same scale. The same reference numerals are used to represent the same parts.

Figures 1-5 show a drug tube cap according to an embodiment of the present invention, which includes:

The middle cover 10 includes a medicine extension tube 11, a movable sleeve 12 and a fixed sleeve 13. The upper part of the movable sleeve 12 is connected to the medicine extension tube 11, and the lower edge of the movable sleeve 12 is sealed and connected to the upper edge of the fixed sleeve 13; [H1] The function of 11 mainly includes the following two aspects. First, when used for anesthesia of the male glans, coronal sulcus, urethra and female genital mucosa, the extension structure is easier for the user to apply and operate, and it is convenient to use and can fully apply the cream to the affected area. Second, the original aluminum tube mouth is made of aluminum material, with threads and thorns, which is easy to scratch the applied part when applying the medicine. However, since the utility model is provided with a medicine extension tube, the problem of scratching the applied part (such as genitals) will not occur. The length of the medicine extension tube can be set to 2 cm-5 cm as required, and can also be designed to be longer or shorter as required. The material of the medicine extension tube can be plastic; the outer diameter of the lower part of the movable sleeve is smaller than the inner diameter of the fixed sleeve, so that the movable sleeve can be squeezed into the fixed sleeve, thereby reducing the space of the medicine storage cavity, and the size matching of the movable sleeve and the fixed sleeve makes the connection position of the movable sleeve and the fixed sleeve a sealed connection for the cream; or, the entire structure of the movable sleeve 12 and the fixed sleeve 13 is an elastic folding structure, in which case the movable sleeve and the fixed sleeve can be an integrated structure with better connection sealing (as shown in Figure 5), such as a foldable elastic rubber sleeve; or the movable sleeve 12 and the fixed sleeve 13 are constructed as an elastic folding structure at the connecting part of the two, and the non-connecting part is a tubular structure, and the connecting part and the non-connecting part are sealed by bonding or the like;

A partition 14 is fixed inside the fixed sleeve 13, and a through hole 141 is provided on the partition 14. The partition 14, the movable sleeve 12 and the fixed sleeve 13 surround and form a variable medicine storage chamber 17; a through hole baffle 15 is hingedly installed on the partition 14, as shown in Figures 3 and 4, the through hole is a rectangular structure, the through hole partition is a rectangular structure, the size of the through hole partition is larger than the size of the through hole, and the through hole partition can be blocked when closed; one end of the connecting rod 16 is connected to the movable sleeve 12, and the other end of the connecting rod 16 is connected to the through hole baffle 15; the connecting rod is preferably a rod-shaped structure with a certain elasticity, for example, it is made of plastic with elastic deformation ability, so that after the movable sleeve is squeezed, even if the connecting rod drives the through hole partition to fit the surface of the partition, the movable sleeve can still be further squeezed, and the connecting rod will bend and deform at this time, and when the movable sleeve is reset, the shape of the connecting rod is reset. The movable sleeve 12 is compressed toward the fixed sleeve 13 to reduce the space of the medicine storage cavity 17, and the connecting rod 16 pushes the through-hole baffle 15 to cover the through-hole 141. The movable sleeve 12 moves away from the fixed sleeve 13 to increase the space of the medicine storage cavity 17, and the connecting rod 16 pulls the through-hole baffle 15 to release the through-hole 141, and then squeezes the tubular body to allow the cream stored in the tubular body to enter the medicine storage cavity for subsequent use by the user.

The use process of the above-mentioned drug tube cap of the utility model is as follows:

The drug cap is installed on the drug outlet of the tubular body, and the user squeezes the tubular body to allow the cream to enter the drug storage cavity. At this time, the user can release the squeezing of the tubular body, or continue squeezing (to avoid the tubular body of the cream being recovered). The user compresses the movable sleeve toward the fixed sleeve to reduce the space of the drug storage cavity, and the connecting rod pushes the through-hole baffle to block the through-hole. At this time, since the through-hole on the partition has been blocked and the space of the drug storage cavity is gradually reduced, the cream in the drug storage cavity is squeezed out from the drug outlet channel of the drug application extension tube under the pressure, and then applied to the use site. Since the process of compressing the movable sleeve toward the fixed sleeve is easy to control, the user can conveniently control the amount of cream to be discharged, which is more convenient to use.

The drug tube cap of the above-mentioned embodiment can also be improved as follows. The drug tube cap also includes an elastic reset member, which is installed in the drug storage cavity 17. One end of the elastic reset member is stopped by the movable sleeve 12, and the other end of the elastic reset member is stopped by the partition 14. The elastic reset member is preferably a coil spring, which is installed in the drug storage cavity. One end of the spring abuts against the inner wall of the movable sleeve, and the other end of the spring abuts against the partition. When the movable sleeve 12 is compressed toward the fixed sleeve 13, the spring is compressed and generates a reset elastic force. After the user releases the movable sleeve, the spring elastic force is used to reset the movable sleeve, which is more convenient to use.

The drug tube cap of the above embodiment can also be improved as follows: a first internal thread structure 131 is provided on the inner wall of the fixed sleeve 13, and the first internal thread structure 131 is used to connect to the external thread on the top of the tubular body. The above thread structure facilitates the removal of the middle cover from the tubular body. In addition, the fixed sleeve can also be sealed and connected to the tubular body by bonding, such as fusion, etc.

The drug tube cap of the above-mentioned embodiment can also be improved as follows: the inner wall of the fixed sleeve 13 is provided with an annular protrusion 18 at a position surrounding the inner end of the drug outlet channel 111. By providing the annular protrusion, it can play a limiting role when its end contacts the partition fixed by the fixed sleeve, and can avoid excessive squeezing of the movable sleeve, thereby ensuring that the drug storage cavity has a minimum space.

As shown in Figures 6 and 7, the outer wall of the fixed sleeve 13 is provided with an external thread structure; the drug tube cap also includes a top cover 20, and a spike portion 22[H2] is provided at one end of the top cover 20. The spike portion is used to pierce the sealing film at the opening position of the tubular body. The provision of the spike portion can conveniently open the sealing film at the opening position of the tubular body, which is convenient for direct use, so that the patient does not need to find an additional packaging opening tool when using the medicine. A second internal thread 23 is provided at the other end of the top cover 20, and the second internal thread 23 is adapted to the external thread structure. Through the cooperation of the top cover and the middle cover, the top cover can be used to cover the drug outlet of the middle cover to prevent the cream from being contaminated. For example, the middle cover and the top cover are installed together at the opening of the cream drug packaging body. After the cream is opened and used, the top cover is screwed to the middle cover to protect the drug extension tube, prevent contamination, and facilitate secondary use. In a further preferred embodiment, an anti-slip groove 21 is also provided on the surface of the top cover 20 to prevent the user's hand from slipping when unscrewing the top cover. The anti-skid groove can be arranged parallel to the axial direction of the top cover, or can be designed to have other directions, such as a spiral direction, as required.

[Corrected 11.07.2023 in accordance with Article 91]
The technical features disclosed above are not limited to the disclosed combinations with other features. Those skilled in the art may also make other combinations between the technical features according to the purpose of the utility model to achieve the purpose of the utility model.

[Corrected 11.07.2023 in accordance with Article 91]
[deleted]

Claims

A drug tube cap, characterized in that it comprises: a middle cover (10), the middle cover (10) comprises a drug extension tube (11), a movable sleeve (12) and a fixed sleeve (13), the upper part of the movable sleeve (12) is connected to the drug extension tube (11), the lower edge of the movable sleeve (12) is sealed and connected to the upper edge of the fixed sleeve (13); a partition (14) is fixed inside the fixed sleeve (13), and a through hole (141) is provided on the partition (14) to separate A plate (14), a movable sleeve (12) and a fixed sleeve (13) surround and form a variable medicine storage chamber (17); a through hole baffle (15) is hingedly mounted on the partition (14); one end of a connecting rod (16) is connected to the movable sleeve (12), and the other end of the connecting rod (16) is connected to the through hole baffle (15); the movable sleeve (12) is compressed toward the fixed sleeve (13) to reduce the space of the medicine storage chamber (17), and the connecting rod (16) pushes the through hole baffle (15) to cover the through hole (141).
The drug tube cap according to claim 1 is characterized in that it also includes an elastic reset member, which is installed in the drug storage cavity (17), one end of the elastic reset member is stopped by the movable sleeve (12), and the other end of the elastic reset member is stopped by the partition (14).
The drug cap according to claim 1 is characterized in that a first internal thread structure (131) is provided on the inner wall of the fixed sleeve (13), and the first internal thread structure (131) is used to connect to the external thread at the top of the tubular body.
The drug tube cap according to claim 1 is characterized in that the inner wall of the fixed sleeve (13) is provided with an annular protrusion (18) around the inner end of the drug outlet channel (111).
The drug tube cap according to any one of claims 1-4 is characterized in that an outer wall of the fixed sleeve (13) is provided with an external thread structure; the drug tube cap also includes a top cover (20), one end of the top cover (20) is provided with a spike portion (22), and the other end of the top cover (20) is provided with a second internal thread (23), and the second internal thread (23) is adapted to the external thread structure.
The drug tube cap according to claim 5 is characterized in that an anti-slip groove (21) is also provided on the surface of the top cover (20).