CN219558313U - Novel structure I-valve for needleless connector and needleless connector assembly - Google Patents
Novel structure I-valve for needleless connector and needleless connector assembly Download PDFInfo
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- CN219558313U CN219558313U CN202320562737.7U CN202320562737U CN219558313U CN 219558313 U CN219558313 U CN 219558313U CN 202320562737 U CN202320562737 U CN 202320562737U CN 219558313 U CN219558313 U CN 219558313U
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- needleless connector
- shaped valve
- valve body
- needleless
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Abstract
The utility model discloses a novel structure I-shaped valve for a needleless joint, which comprises an I-shaped valve body, wherein a cutting joint is arranged in the middle of the I-shaped valve body, two sides of the I-shaped valve are respectively provided with an inclined rib, each inclined rib extends from one end of the I-shaped valve body to the other end of the I-shaped valve body, and the thickness of each inclined rib gradually increases from one end of the I-shaped valve body to the other end of the I-shaped valve body. The utility model also discloses a needleless connector assembly which comprises the I-shaped valve with the novel structure for the needleless connector, a needleless connector upper cover and a needleless connector lower cover; one end of the I-shaped valve with the new structure is matched with one end of the needle-free joint upper cover, the other end of the needle-free joint upper cover is matched with one end of the needle-free joint lower cover, an inner cavity is arranged in the needle-free joint lower cover, and one end of the inner cavity is matched with the other end of the I-shaped valve with the new structure. The needleless connector assembly has the advantages of simple structure, good sealing performance and low manufacturing cost, and saves more cost for enterprises.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a novel structure I-shaped valve for a needleless connector and a needleless connector assembly.
Background
According to the clinical application requirement, the needleless connector is matched with an infusion apparatus for use, so that the pain of repeated puncture of a patient who infuses for a long time is relieved, and the nursing workload is also relieved, therefore, the product has large application amount, brings great convenience to medical industry, and brings great benefit to enterprises. The products of the prior art currently have some disadvantages:
1. the I-valve structure in the existing needleless connector or needleless connecting piece structure has strict requirements on materials, the passage cannot be opened due to insufficient hardness of the materials, the materials are too hard, the sealing performance is insufficient, and the valve structure is easy to withdraw after being assembled.
2. Because of the small size of the product, the product is easy to fall off due to smoothness when the connector cover main body of the needleless connector or the needleless connector is held for rotating use.
Disclosure of Invention
The object of the present utility model is to solve at least one of the technical drawbacks.
It is therefore an object of the present utility model to provide a new structure i-valve for a needleless connector and a needleless connector assembly, which solve the problems mentioned in the background art and overcome the disadvantages of the prior art.
In order to achieve the above purpose, the utility model provides a novel structure I-shaped valve for a needleless connector, which comprises an I-shaped valve body, wherein a cutting slot is arranged in the middle of the I-shaped valve body, two sides of the I-shaped valve are respectively provided with an inclined rib, each inclined rib extends from one end of the I-shaped valve body to the other end of the I-shaped valve body, and the thickness of each inclined rib gradually increases from one end of the I-shaped valve body to the other end of the I-shaped valve body.
Preferably, the I-shaped valve main body and the inclined ribs are made of rubber.
The utility model also discloses a needleless connector assembly which comprises the I-shaped valve with the novel structure for the needleless connector, a needleless connector upper cover and a needleless connector lower cover; one end of the I-shaped valve main body is matched with one end of the needleless connector upper cover, the other end of the needleless connector upper cover is matched with one end of the needleless connector lower cover, an inner cavity is arranged in the needleless connector lower cover, and one end of the inner cavity is matched with the other end of the I-shaped valve main body.
Preferably, one end of the needleless connector upper cover is provided with external threads, and the other end of the needleless connector upper cover is provided with a plum blossom-shaped structure.
In any of the above embodiments, it is preferable that the other end of the needleless connector lower cap is provided with an internal thread.
In any of the above embodiments, preferably, the i-valve body and the diagonal rib are made of rubber.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
1. according to the novel structure of the I-shaped valve for the needleless connector, the inclined rib is added, extends from one end of the I-shaped valve to the other end of the I-shaped valve, and is arranged from one end of the I-shaped valve, namely, from the small end of one end of the I-shaped valve, so that the conical head is small in resistance and easy to guide into one end of the I-shaped valve when being connected and used, the large end of the inclined rib extending to the other end of the I-shaped valve is gradually thickened, the hardness deficiency can be overcome, the channel is not easy to stretch, and is also not easy to bend and deform, the conical head can better slide forwards along the channel of the I-shaped valve, and the opening is easy to prop open. When the connection is completed and withdrawn, the sealing performance can be better ensured because the large end of the other end of the I-shaped valve is thicker.
2. The needleless connector upper cover in the needleless connector assembly adopts a plum blossom structure, is not easy to slip when rotating, is convenient for doctors to operate and use, is not easy to roll when being placed on a plane, and prevents falling.
3. The needleless connector assembly has the advantages of simple structure, good sealing performance and low manufacturing cost, and saves more cost for enterprises.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic structural view of a new structure I-valve for needleless connectors according to an embodiment of the present utility model;
FIG. 2 is a front view of a new construction I-valve for a needleless connector in accordance with an embodiment of the present utility model;
FIG. 3 is a schematic view of a needleless connector assembly in accordance with an embodiment of the present utility model;
FIG. 4 is a front cross-sectional view of a needleless connector assembly in accordance with an embodiment of the present utility model;
FIG. 5 is a schematic view of a needleless connector upper cover in a needleless connector assembly in accordance with an embodiment of the present utility model;
FIG. 6 is a top view of a needleless connector upper cap in a needleless connector assembly in accordance with an embodiment of the present utility model;
fig. 7 is a front cross-sectional view of a needleless connector assembly mated with an infusion tube assembly in accordance with an embodiment of the present utility model.
Wherein: 1-an I-valve body; 2-slitting; 3-inclined ribs; 4-needleless connector upper cover; 5-needleless connector lower cover; 6-external threads; 7-plum blossom structure; 8-internal threads; 9-inner cavity; 10-infusion tube assembly.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 3, the novel structure of the i-valve for the needleless connector according to the embodiment of the present utility model includes an i-valve body 1, a slit 2 is provided in the middle of the i-valve body 1, two sides of the i-valve are respectively provided with an oblique rib 3, each oblique rib 3 extends from one end of the i-valve body 1 to the other end of the i-valve body 1, and the thickness of each oblique rib 3 gradually increases from one end of the i-valve body 1 to the other end of the i-valve body 1.
The I-shaped valve main body 1 and the inclined ribs 3 are made of rubber respectively.
According to the novel structure of the I-shaped valve for the needleless connector, the inclined rib 3 is added, the inclined rib 3 extends from one end of the I-shaped valve to the other end, and the taper head is enabled to be easily led into one end of the I-shaped valve due to the fact that the taper head is arranged from the small end of one end of the I-shaped valve in a thin mode when the taper head is connected with the I-shaped valve in use, the inclined rib 3 extends to the large end of the other end of the I-shaped valve to be gradually thickened, the hardness defect can be overcome, a channel is not easy to stretch and is not easy to bend and deform, the taper head can better slide forwards along the channel of the I-shaped valve, and the opening is easy to be spread. When the connection is completed and withdrawn, the sealing performance can be better ensured because the large end of the other end of the I-shaped valve is thicker.
As shown in fig. 4 to 7, the embodiment of the present utility model further discloses a needleless connector assembly, which comprises the above-mentioned i-valve with a new structure for needleless connector, a needleless connector upper cover 4 and a needleless connector lower cover 5; one end of the I-shaped valve main body 1 is matched with one end of the needleless connector upper cover 4, the other end of the needleless connector upper cover 4 is matched with one end of the needleless connector lower cover 5, an inner cavity 9 is arranged in the needleless connector lower cover 5, and one end of the inner cavity 9 is matched with the other end of the I-shaped valve main body 1. The other end of the lumen 9 mates with a needle in the needle assembly.
The infusion tube assembly 10 is connected to the one end of needleless joint subassembly, and needle tubing subassembly is connected to the other end, conveniently changes the transfer line, trades liquid, and simultaneously, needleless joint subassembly still possesses good sealing performance, prevents when changing the transfer line, causes the pollution to needleless joint's inside.
Further, one end of the needleless connector upper cover 4 is provided with an external thread 6, and the other end of the needleless connector upper cover 4 is provided with a plum blossom-shaped structure 7. The other end of the needleless connector upper cover 4 adopts a plum blossom structure 7, and the rotation is not easy to slip, so that the device is convenient for doctors to operate and use, is placed on a plane and is not easy to roll, and falling is prevented. External thread 6 and one end of needleless connector upper cover 4
Further, the other end of the needleless connector lower cover 5 is provided with an internal thread 8. The internal thread 8 at the other end of the needleless connector lower cover 5 is connected with the external thread 6 on the needle tube component, so that the connection and the disassembly are convenient.
The utility model relates to a needleless connector assembly, which has the following working principle: one end of the infusion tube assembly is matched with one end of a needleless connector upper cover in the needleless connector assembly, an external thread of the needleless connector upper cover is connected with an internal thread on the infusion tube assembly in a threaded matched manner, an infusion tube in the infusion tube assembly is inserted into a novel structure I-shaped valve, the novel structure I-shaped valve comprises an I-shaped valve body, the I-shaped valve body is made of rubber, a cutting seam is arranged in the middle of the I-shaped valve body, and the cutting seam penetrates from one end of the I-shaped valve body to the other end of the I-shaped valve body. When the infusion tube in the infusion tube assembly infuses, liquid enters from the infusion tube and flows out from the other end of the kerf, the other end of the I-shaped valve body is opposite to the inner cavity in the needle-free joint lower cover, and the liquid flows into the inner cavity and then flows into the needle tube from the inner cavity. When the infusion tube is pulled out, the joint is cut to form a closed path, so that the pollution of the outside to the inside of the needle tube connected with the needleless joint assembly is prevented, the tightness of the inside of the needle tube is maintained, and the infusion tube is safer to use. When the infusion bottle needs to be replaced, the infusion tube assembly is only required to be disassembled and replaced by another infusion tube assembly connected to different infusion bottles, so that the infusion bottle is convenient and sanitary.
The novel structure I-shaped valve in the needleless joint assembly is characterized in that inclined ribs are respectively added on the I-shaped valve main body, the thickness of the inclined ribs extending from one end of the I-shaped valve main body to the other end is gradually increased, the small ends of the inclined ribs are thin, so that when the infusion tube is connected with one end of the I-shaped valve main body, the infusion tube is inserted into a kerf at one end of the I-shaped valve main body, the resistance of the novel structure I-shaped valve is small and easy to lead in, the inclined ribs are gradually increased from the large end of the other end of the novel structure I-shaped valve, the hardness is insufficient, the channel is not easy to stretch, the cone head is not easy to bend and deform, the cone head can better slide forwards along the channel of the I-shaped valve, and the opening is easy to be spread. When the connection is completed and withdrawn, the sealing performance can be better ensured due to the thick large end.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The novel structure of the I-shaped valve for the needleless connector is characterized by comprising an I-shaped valve body, wherein a cutting seam is arranged in the middle of the I-shaped valve body, two sides of the I-shaped valve are respectively provided with an inclined rib, each inclined rib extends from one end of the I-shaped valve body to the other end of the I-shaped valve body, and the thickness of each inclined rib gradually increases from one end of the I-shaped valve body to the other end of the I-shaped valve body.
2. The new construction spool for needleless connectors as claimed in claim 1, wherein said spool body and said ribs are rubber.
3. A needleless connector assembly comprising the new construction i-valve for needleless connector of claim 1, a needleless connector upper cover, and a needleless connector lower cover; one end of the I-shaped valve main body is matched with one end of the needleless connector upper cover, the other end of the needleless connector upper cover is matched with one end of the needleless connector lower cover, an inner cavity is formed in the needleless connector lower cover, and one end of the inner cavity is matched with the other end of the I-shaped valve main body.
4. A needleless connector assembly as in claim 3 wherein one end of said needleless connector upper cap is provided with external threads and the other end of said needleless connector upper cap is provided with a quincuncial formation.
5. A needleless connector assembly as in claim 3 wherein the other end of said needleless connector lower cap is provided with internal threads.
6. The needleless connector assembly of any of claims 3-5, wherein said i-valve body and said ribs are rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320562737.7U CN219558313U (en) | 2023-03-21 | 2023-03-21 | Novel structure I-valve for needleless connector and needleless connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320562737.7U CN219558313U (en) | 2023-03-21 | 2023-03-21 | Novel structure I-valve for needleless connector and needleless connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219558313U true CN219558313U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320562737.7U Active CN219558313U (en) | 2023-03-21 | 2023-03-21 | Novel structure I-valve for needleless connector and needleless connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219558313U (en) |
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- 2023-03-21 CN CN202320562737.7U patent/CN219558313U/en active Active
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