CN209984794U - Pressure extension pipe with anti-reflux function - Google Patents
Pressure extension pipe with anti-reflux function Download PDFInfo
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- CN209984794U CN209984794U CN201920281779.7U CN201920281779U CN209984794U CN 209984794 U CN209984794 U CN 209984794U CN 201920281779 U CN201920281779 U CN 201920281779U CN 209984794 U CN209984794 U CN 209984794U
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Abstract
The utility model relates to a pressure extension pipe with anti-reflux function, which comprises a flow dividing part, an extension part and an anti-reflux part; the flow dividing part comprises a main pipe, one end of the main pipe is provided with a first male joint, the other end of the main pipe is provided with a tee joint, the tee joint is connected with two branch pipes, and the end parts of the branch pipes are provided with first female joints; the extension part comprises an additional pipe, and a second male joint and a second female joint are respectively arranged at two ends of the additional pipe; the anti-backflow part comprises an anti-backflow cavity, and a third male connector and a third female connector are respectively arranged at two ends of the anti-backflow cavity; the utility model has simple structure, and the branch pipe is convenient to expand by the flow dividing part; all parts are connected through luer connectors, so that the connection is convenient and fast, and the connection time is reduced; the novel structure of anti palirrhea portion, it is smooth and easy that forward circulation, reverse sealed tight has good anti palirrhea effect.
Description
Technical Field
The utility model relates to a pressure extension pipe with anti palirrhea function.
Background
The pressure extension tube is suitable for connection of pressure monitoring pipelines, transfusion, blood transfusion and the like. In the treatment of cardiovascular diseases, interventional therapy is often used. Such treatments often require the delivery of some items to a destination deep within the blood vessel, the delivered item often compresses to a small volume during delivery, and the volume needs to be restored after reaching the destination. This requires opening the compressed transported object, which often requires a certain pressure to restore the compressed transported object volume. For example, in the delivery of stents during the interventional treatment of cardiovascular diseases, a pressure pump is required to expand the compressed stents. The pressure of the pressure pump must be transmitted to the patient through the pressure extension tube connection.
Various extension pipes used clinically at present do not have the check valve, and the liquid reflux phenomenon can appear when in actual operation to can not extend after connecting and connect other branch pipes, delay treatment time, cause a great deal of inconvenience for medical staff's practicality simultaneously.
Therefore, the pressure extension pipe with the anti-reflux function, which is simple in structure, convenient to expand branch pipes, convenient to connect and good in anti-reflux effect, is designed, and has a wide market prospect.
Disclosure of Invention
The utility model provides a to prior art not enough, the utility model provides a simple structure is convenient for extend the branch pipe, connects conveniently, and anti palirrhea effectual pressure extension pipe that has anti palirrhea function.
The technical scheme of the utility model is realized like this: the pressure extension pipe with the anti-reflux function comprises a flow dividing part, an extension part and an anti-reflux part; the flow dividing part comprises a main pipe, one end of the main pipe is provided with a first male joint, the other end of the main pipe is provided with a tee joint, the tee joint is connected with two branch pipes, and the end parts of the branch pipes are provided with first female joints; the extension part comprises an additional pipe, and a second male joint and a second female joint are respectively arranged at two ends of the additional pipe; the anti backward flow portion includes anti backward flow chamber, and the both ends in anti backward flow chamber are provided with third male joint and third female joint respectively.
The anti-reflux cavity comprises an upper cavity body and a lower cavity body, the upper cavity body is fixedly connected with the lower cavity body to form a cavity structure, an anti-reflux sheet is arranged inside the cavity structure, an air outlet hole is formed in the middle of the upper cavity body and communicated with a third male connector, an air inlet groove communicated with the air outlet hole is vertically formed in the inner wall of the upper cavity body, and an air inlet hole is formed in the middle of the lower cavity body and communicated with a third female connector.
The anti-reflux sheet is of a cup-shaped structure made of medical silica gel, the bottom of the anti-reflux sheet is in contact with the air inlet hole, and the top of the anti-reflux sheet is in contact with the top of the inner side of the upper cavity.
The bottom of the anti-backflow sheet is provided with a sealing ring of an integrated structure, and the sealing ring is matched with the air inlet.
The first male connector, the second male connector and the third male connector are male luer connectors, and the first female connector, the second female connector and the third female connector are female luer connectors.
The first female connector is connected with the second male connector in a matched mode, and the second female connector is connected with the third male connector in a matched mode.
The first female connector is connected with the third male connector in a matched mode, and the third female connector is connected with the second male connector in a matched mode.
The technical scheme of the utility model has following positive effect: the utility model has simple structure, and the branch pipe is convenient to expand by the flow dividing part; all parts are connected through luer connectors, so that the connection is convenient and fast, and the connection time is reduced; the novel structure of anti palirrhea portion, it is smooth and easy that forward circulation, reverse sealed tight has good anti palirrhea effect.
Drawings
Fig. 1 is a schematic structural view of the flow dividing portion of the present invention.
Fig. 2 is a schematic structural view of an extension of the present invention.
Fig. 3 is an external structure diagram of the anti-reflux part of the present invention.
Fig. 4 is an internal structure diagram of the anti-reflux part of the present invention.
Detailed Description
The following embodiments are further described with reference to the accompanying drawings and examples, and the following examples are used to describe the technical solutions of the present invention more clearly, but the protection scope of the present invention cannot be limited thereby.
The pressure extension tube with the anti-reflux function shown in fig. 1, 2 and 3 comprises a shunt part, an extension part and an anti-reflux part; the flow dividing part comprises a header pipe 2, one end of the header pipe 2 is provided with a first male joint 1, the other end of the header pipe 2 is provided with a tee 3, the tee 3 is connected with two branch pipes 4, and the end parts of the branch pipes 4 are provided with first female joints 5; the extension part comprises an additional pipe 6, and a second male joint 7 and a second female joint 8 are respectively arranged at two ends of the additional pipe 7; the anti backward flow portion includes anti backward flow chamber 9, and the both ends in anti backward flow chamber 9 are provided with third male joint 10 and third female joint 11 respectively.
As shown in fig. 4, the anti-reflux cavity 9 includes an upper cavity 901 and a lower cavity 902, the upper cavity 901 and the lower cavity 902 are fixedly connected to form a cavity structure, an anti-reflux plate 905 is disposed inside the cavity structure, an air outlet 907 is disposed in the middle of the upper cavity 901 and is communicated with the third male connector 10, an air inlet slot 904 communicated with the air outlet 907 is vertically disposed on the inner wall of the upper cavity 901, and an air inlet 903 is disposed in the middle of the lower cavity 902 and is communicated with the third female connector 11. The anti-reflux piece 905 is a cup-shaped structure made of medical silica gel, the bottom of the anti-reflux piece 905 is in contact with the air inlet hole 903, and the top of the anti-reflux piece 905 is in contact with the top of the inner side of the upper cavity 901. The bottom of the anti-backflow sheet 905 is provided with a sealing ring 906 of an integrated structure, and the sealing ring 906 is matched with the air inlet hole 903.
The utility model discloses have two kinds of connected mode and all can reach required technological effect, one of them connected mode is: the first male connector 1, the second male connector 7 and the third male connector 10 are male luer connectors, and the first female connector 5, the second female connector 8 and the third female connector 11 are female luer connectors. The other connection mode is as follows: the first female connector 5 is connected with the second male connector 7 in a matching mode, and the second female connector 8 is connected with the third male connector 10 in a matching mode. The first female connector 5 is connected with the third male connector 10 in a matching way, and the third female connector 11 is connected with the second male connector 7 in a matching way.
In this embodiment, the second male connector 7 of the extension is connected to the first female connector 5 of the shunt, and the third male anti-reflux portion connector 10 is connected to the second female connector 8 of the extension. When the number of extensions is not less than two, all extensions are first connected to the second female connector 8 by means of the second male connector 7. In a natural state, no liquid flows in the pressure extension pipe, the pressures on the two sides of the anti-backflow sheet are balanced, and the sealing ring 906 is tightly attached to the air inlet hole 903 and is in a sealing state; when the liquid medicine passes through the third female joint 11 in the forward direction, the liquid medicine enters the upper cavity 901 and the lower cavity 902 through the air inlet hole 903, the compression anti-backflow sheet 905 deforms and is recessed upwards, the liquid medicine flows into the extension part from the third male joint 10 after passing through the air inlet groove 904 and the air outlet hole 907, and then flows into the shunt part through the extension part and enters the human body; when the liquid medicine has the trend of reverse flow, anti palirrhea piece 905 resumes deformation under the effect of liquid medicine, makes sealing washer 906 and inlet port 903 outside laminating mutually, and is sealed tight, avoids the liquid medicine to flow backward, guarantees the effect of going on normally and treating of treatment, reduces unnecessary trouble.
Claims (7)
1. Pressure extension pipe with anti palirrhea function, its characterized in that: comprises a shunt part, an extension part and a backflow resisting part; the flow dividing part comprises a header pipe (2), one end of the header pipe (2) is provided with a first male joint (1), the other end of the header pipe (2) is provided with a tee joint (3), the tee joint (3) is connected with two branch pipes (4), and the end parts of the branch pipes (4) are provided with first female joints (5); the extension part comprises an additional pipe (6), and a second male joint (7) and a second female joint (8) are respectively arranged at two ends of the additional pipe (6); the anti-reflux part comprises an anti-reflux cavity (9), and both ends of the anti-reflux cavity (9) are respectively provided with a third male connector (10) and a third female connector (11).
2. The pressure extension pipe with an anti-reflux function according to claim 1, wherein: the anti-backflow cavity (9) comprises an upper cavity (901) and a lower cavity (902), the upper cavity (901) and the lower cavity (902) are fixedly connected to form a cavity structure, an anti-backflow sheet (905) is arranged inside the cavity structure, an air outlet hole (907) is formed in the middle of the upper cavity (901) and communicated with a third male connector (10), an air inlet groove (904) communicated with the air outlet hole (907) is vertically formed in the inner wall of the upper cavity (901), and an air inlet hole (903) is formed in the middle of the lower cavity (902) and communicated with a third female connector (11).
3. The pressure extension pipe with a reverse flow resistance function according to claim 2, characterized in that: the anti-backflow sheet (905) is of a cup-shaped structure made of medical silica gel, the bottom of the anti-backflow sheet (905) is in contact with the air inlet hole (903), and the top of the anti-backflow sheet (905) is in contact with the top of the inner side of the upper cavity (901).
4. The pressure extension pipe with a reverse flow resistance function according to claim 2, characterized in that: the bottom of the anti-backflow sheet (905) is provided with a sealing ring (906) of an integrated structure, and the sealing ring (906) is matched with the air inlet hole (903).
5. The pressure extension pipe with an anti-reflux function according to claim 1, wherein: the first male connector (1), the second male connector (7) and the third male connector (10) are male luer connectors, and the first female connector (5), the second female connector (8) and the third female connector (11) are female luer connectors.
6. The pressure extension pipe with an anti-reflux function according to claim 1, wherein: the first female connector (5) is connected with the second male connector (7) in a matched mode, and the second female connector (8) is connected with the third male connector (10) in a matched mode.
7. The pressure extension pipe with an anti-reflux function according to claim 1, wherein: the first female connector (5) is connected with the third male connector (10) in a matched mode, and the third female connector (11) is connected with the second male connector (7) in a matched mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281779.7U CN209984794U (en) | 2019-03-06 | 2019-03-06 | Pressure extension pipe with anti-reflux function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920281779.7U CN209984794U (en) | 2019-03-06 | 2019-03-06 | Pressure extension pipe with anti-reflux function |
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| Publication Number | Publication Date |
|---|---|
| CN209984794U true CN209984794U (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920281779.7U Active CN209984794U (en) | 2019-03-06 | 2019-03-06 | Pressure extension pipe with anti-reflux function |
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| Country | Link |
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| CN (1) | CN209984794U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939344A (en) * | 2019-03-06 | 2019-06-28 | 郑州大学第一附属医院 | Pressure extension tube and its application method with anti-reflux function |
| CN112316293A (en) * | 2020-11-20 | 2021-02-05 | 焦作市人民医院 | Anti-reflux combinable extension pipe |
-
2019
- 2019-03-06 CN CN201920281779.7U patent/CN209984794U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109939344A (en) * | 2019-03-06 | 2019-06-28 | 郑州大学第一附属医院 | Pressure extension tube and its application method with anti-reflux function |
| CN109939344B (en) * | 2019-03-06 | 2024-02-23 | 郑州大学第一附属医院 | Pressure extension tube with anti-reflux function and application method thereof |
| CN112316293A (en) * | 2020-11-20 | 2021-02-05 | 焦作市人民医院 | Anti-reflux combinable extension pipe |
| CN112316293B (en) * | 2020-11-20 | 2022-05-31 | 焦作市人民医院 | Anti-reflux combinable extension pipe |
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