CN109939344B - Pressure extension tube with anti-reflux function and application method thereof - Google Patents
Pressure extension tube with anti-reflux function and application method thereof Download PDFInfo
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- CN109939344B CN109939344B CN201910167945.5A CN201910167945A CN109939344B CN 109939344 B CN109939344 B CN 109939344B CN 201910167945 A CN201910167945 A CN 201910167945A CN 109939344 B CN109939344 B CN 109939344B
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- reflux
- male connector
- connector
- female connector
- cavity
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- 230000000151 anti-reflux effect Effects 0.000 title claims abstract description 65
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 9
- 239000003814 drug Substances 0.000 description 7
- 238000011282 treatment Methods 0.000 description 6
- 208000024172 Cardiovascular disease Diseases 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The invention relates to a pressure extension tube with an anti-reflux function and a use method thereof, wherein the pressure extension tube comprises a flow dividing part, an extension part and an anti-reflux part; the split flow part comprises a main pipe, one end of the main pipe is provided with a first male connector, the other end of the main pipe is provided with a tee joint, two branch pipes are connected to the tee joint, and the end parts of the branch pipes are provided with first female connectors; the extension part comprises an additional pipe, and two ends of the additional pipe are respectively provided with a second male connector and a second female connector; the anti-reflux part comprises an anti-reflux cavity, and a third male connector and a third female connector are respectively arranged at two ends of the anti-reflux cavity; the invention has simple structure and has the flow dividing part which is convenient for expanding the branch pipe; the components are connected through the luer connector, so that the connection is convenient and quick, and the connection time is shortened; the novel structure of the anti-reflux part has smooth forward circulation, tight reverse sealing and good anti-reflux effect.
Description
Technical Field
The invention relates to a pressure extension tube with an anti-reflux function and a use method thereof.
Background
The pressure extension tube is suitable for connection of pressure monitoring pipelines, transfusion, blood transfusion diversion and the like. In the treatment of cardiovascular diseases, interventional therapies are often used. Such treatments often require the delivery of items to a destination deep within the vessel, where the delivered object is often compressed into a small volume and the volume is restored after reaching the destination. This requires the compressed transported object to be opened, in which case it is often necessary to apply a certain pressure to restore the compressed transported object volume. For example, in the interventional treatment of cardiovascular diseases, the delivery of stents requires the use of the pressure of a pressure pump to expand the compressed stent. The pressure of the pressure pump must be transferred to the patient through the pressure extension tube connection.
Various extension pipes used clinically at present are not provided with one-way valves, liquid reflux phenomenon can occur in actual operation, and after connection, other branch pipes cannot be connected in an expanding mode, so that treatment time is delayed, and meanwhile, a plurality of inconveniences are caused for the practicability of medical staff.
Therefore, the pressure extension tube with the anti-reflux function and the application method thereof have the advantages of simple structure, convenience in expanding the branch tube, convenience in connection and good anti-reflux effect, and have wide market prospect.
Disclosure of Invention
Aiming at the defects of the prior art, the pressure extension tube with the anti-reflux function and the use method thereof are provided by the invention, which has the advantages of simple structure, convenience in expanding branch tubes, convenience in connection and good anti-reflux effect.
The technical scheme of the invention is realized as follows: the pressure extension tube with the anti-reflux function comprises a flow dividing part, an extension part and an anti-reflux part; the split flow part comprises a main pipe, one end of the main pipe is provided with a first male connector, the other end of the main pipe is provided with a tee joint, two branch pipes are connected to the tee joint, and the end parts of the branch pipes are provided with first female connectors; the extension part comprises an additional pipe, and two ends of the additional pipe are respectively provided with a second male connector and a second female connector; the anti-reflux part comprises an anti-reflux cavity, and a third male connector and a third female connector are respectively arranged at two ends of the anti-reflux cavity.
The anti-reflux cavity comprises an upper cavity and a lower cavity, the upper cavity is fixedly connected with the lower cavity to form a cavity structure, an anti-reflux sheet is arranged inside the cavity structure, an air outlet hole is arranged in the middle of the upper cavity and is communicated with a third male connector, an air inlet groove communicated with the air outlet hole is vertically arranged in the inner wall of the upper cavity, and an air inlet hole is arranged in the middle of the lower cavity and is communicated with a third female connector.
The anti-reflux plate is of a cup-shaped structure made of medical silica gel, the bottom of the anti-reflux plate is contacted with the air inlet hole, and the top of the anti-reflux plate is contacted with the top of the inner side of the upper cavity.
The bottom of the anti-reflux sheet is provided with a sealing ring with an integrated structure, and the sealing ring is matched with the air inlet hole.
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 application method of the pressure extension tube with the anti-reflux function comprises the following steps: when the anti-reflux device is used, the second male connector of the extension part is connected with the first female connector of the shunt part, and then the third male connector of the anti-reflux part is connected with the second female connector of the extension part.
When the number of the extension parts is not less than two, all the extension parts are communicated with the second female connector through the second male connector.
The technical scheme of the invention has the following positive effects: the invention has simple structure and has the flow dividing part which is convenient for expanding the branch pipe; the components are connected through the luer connector, so that the connection is convenient and quick, and the connection time is shortened; the novel structure of the anti-reflux part has smooth forward circulation, tight reverse sealing and good anti-reflux effect.
Drawings
Fig. 1 is a schematic structural view of a shunt part according to the present invention.
Fig. 2 is a schematic structural view of the extension part of the present invention.
Fig. 3 is a schematic external structure of the anti-reflux unit of the present invention.
Fig. 4 is a schematic view of the internal structure of the anti-reflux unit of the present invention.
Detailed Description
The following examples are provided to more clearly describe the technical solution of the present invention, but are not intended to limit the scope of the present invention.
The pressure extension tube with anti-reflux function shown in fig. 1, 2 and 3 comprises a flow dividing part, an extension part and an anti-reflux part; the split flow part comprises a main pipe 2, a first male connector 1 is arranged at one end of the main pipe 2, a tee joint 3 is arranged at the other end of the main pipe 2, two branch pipes 4 are connected to the tee joint 3, and a first female connector 5 is arranged at the end part of each branch pipe 4; the extension part comprises an additional pipe 6, and two ends of the additional pipe 7 are respectively provided with a second male connector 7 and a second female connector 8; the anti-reflux part comprises an anti-reflux cavity 9, and the two ends of the anti-reflux cavity 9 are respectively provided with a third male connector 10 and a third female connector 11.
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 in the cavity structure, an air outlet hole 907 is disposed in the middle of the upper cavity 901 and is communicated with the third male connector 10, an air inlet groove 904 communicated with the air outlet hole 907 is vertically disposed in the inner wall of the upper cavity 901, and an air inlet hole 903 is disposed in the middle of the lower cavity 902 and is communicated with the third female connector 11. The anti-reflux plate 905 is a cup-shaped structure made of medical silica gel, the bottom of the anti-reflux plate 905 is in contact with the air inlet hole 903, and the top of the anti-reflux plate 905 is in contact with the top of the inner side of the upper cavity 901. The bottom of the anti-reflux plate 905 is provided with a sealing ring 906 with an integral structure, and the sealing ring 906 is matched with the air inlet hole 903.
The invention has two connection modes, wherein one connection mode is as follows: 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. Another connection mode is as follows: 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. The first female connector 5 is in fit connection with the third male connector 10, and the third female connector 11 is in fit connection with the second male connector 7.
The application method of the pressure extension tube with the anti-reflux function comprises the following steps: when in use, the second male connector 7 of the extension part is connected with the first female connector 5 of the shunt part, and then the third male connector 10 of the anti-reflux part is connected with the second female connector 8 of the extension part. When the number of the extension parts is not less than two, all the extension parts are communicated with the second female connector 8 through the second male connector 7.
In this embodiment, the second male connector 7 of the extension portion is connected to the first female connector 5 of the split portion, and the third male connector 10 of the anti-reflux portion is connected to the second female connector 8 of the extension portion. When the number of the extension parts is not less than two, all the extension parts are communicated with the second female connector 8 through the second male connector 7. In a natural state, no liquid flows in the pressure extension tube, the pressure at two sides of the anti-reflux sheet is balanced, and the sealing ring 906 is tightly attached to the air inlet 903 and is in a sealing state; when the liquid medicine passes through positively, the liquid medicine is injected from the third female connector 11, the liquid medicine enters the upper cavity 901 and the lower cavity 902 through the air inlet 903, the compression anti-reflux sheet 905 deforms to be upwards concave, and after passing through the air inlet groove 904 and the air outlet 907, the liquid medicine flows into the extension part from the third male connector 10, flows into the split part through the extension part and then enters the human body; when the liquid medicine has a trend of flowing reversely, the anti-reflux sheet 905 is deformed under the action of the liquid medicine, so that the sealing ring 906 is attached to the outer part of the air inlet 903, the sealing is tight, the liquid medicine is prevented from being refluxed, the normal treatment and the treatment effect are ensured, and unnecessary troubles are reduced.
Claims (6)
1. Pressure extension pipe with anti backward flow function, its characterized in that: comprises a diversion part, an extension part and an anti-reflux part; the split flow part comprises a main pipe (2), one end of the main pipe (2) is provided with a first male connector (1), the other end of the main pipe (2) is provided with a tee joint (3), two branch pipes (4) are connected to the tee joint (3), and the end parts of the branch pipes (4) are provided with first female connectors (5); the extension part comprises an additional pipe (6), and two ends of the additional pipe (6) are respectively provided with a second male connector (7) and a second female connector (8); the anti-reflux part comprises an anti-reflux cavity (9), and a third male connector (10) and a third female connector (11) are respectively arranged at two ends of the anti-reflux cavity (9); the anti-reflux cavity (9) comprises an upper cavity (901) and a lower cavity (902), the upper cavity (901) is fixedly connected with the lower cavity (902) to form a cavity structure, an anti-reflux sheet (905) is arranged in the cavity structure, an air outlet hole (907) is formed in the middle of the upper cavity (901) and is 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 is communicated with a third female connector (11); the anti-reflux sheet (905) is of a cup-shaped structure made of medical silica gel, the bottom of the anti-reflux sheet (905) is in contact with the air inlet hole (903), and the top of the anti-reflux sheet (905) is in contact with the top of the inner side of the upper cavity (901); the bottom of anti backward flow piece (905) be provided with sealing ring (906) of integral structure, sealing ring (906) and inlet port (903) cooperate.
2. The pressure extension tube with 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.
3. The pressure extension tube with 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.
4. The pressure extension tube with 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.
5. A method of using the pressure extension tube with anti-reflux function according to claim 1, wherein: when the anti-reflux type connector is used, the second male connector (7) of the extension part is connected with the first female connector (5) of the shunt part, and then the third male connector (10) of the anti-reflux part is connected with the second female connector (8) of the extension part.
6. The method of using a pressure extension tube with anti-reflux function according to claim 5, wherein: when the number of the extension parts is not less than two, all the extension parts are communicated with the second female connector (8) through the second male connector (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167945.5A CN109939344B (en) | 2019-03-06 | 2019-03-06 | Pressure extension tube with anti-reflux function and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910167945.5A CN109939344B (en) | 2019-03-06 | 2019-03-06 | Pressure extension tube with anti-reflux function and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109939344A CN109939344A (en) | 2019-06-28 |
| CN109939344B true CN109939344B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910167945.5A Active CN109939344B (en) | 2019-03-06 | 2019-03-06 | Pressure extension tube with anti-reflux function and application method thereof |
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| Country | Link |
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| CN (1) | CN109939344B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0949595A (en) * | 1995-05-30 | 1997-02-18 | Nippon Sherwood Kk | Connection system |
| CA2941973A1 (en) * | 2014-03-10 | 2015-09-17 | Delta Med S.P.A. Unipersonale | An anti-reflux catheter |
| CN204723578U (en) * | 2015-04-27 | 2015-10-28 | 天津市塑料研究所有限公司 | There is the medical pressure extension tube of check valve |
| CN108904970A (en) * | 2018-07-23 | 2018-11-30 | 赣州市翔义科技有限公司 | A kind of multipurpose medical anti-reflective stream connector |
| CN209984794U (en) * | 2019-03-06 | 2020-01-24 | 郑州大学第一附属医院 | Pressure extension pipe with anti-reflux function |
-
2019
- 2019-03-06 CN CN201910167945.5A patent/CN109939344B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0949595A (en) * | 1995-05-30 | 1997-02-18 | Nippon Sherwood Kk | Connection system |
| CA2941973A1 (en) * | 2014-03-10 | 2015-09-17 | Delta Med S.P.A. Unipersonale | An anti-reflux catheter |
| CN204723578U (en) * | 2015-04-27 | 2015-10-28 | 天津市塑料研究所有限公司 | There is the medical pressure extension tube of check valve |
| CN108904970A (en) * | 2018-07-23 | 2018-11-30 | 赣州市翔义科技有限公司 | A kind of multipurpose medical anti-reflective stream connector |
| CN209984794U (en) * | 2019-03-06 | 2020-01-24 | 郑州大学第一附属医院 | Pressure extension pipe with anti-reflux function |
Non-Patent Citations (1)
| Title |
|---|
| 抗反流治疗改善阻塞性睡眠呼吸暂停的机制探讨;肖高辉, 王智凤, 柯美云, 黄席珍;临床消化病杂志(第06期);全文 * |
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| Publication number | Publication date |
|---|---|
| CN109939344A (en) | 2019-06-28 |
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