CN112245793A - A universal drainage and infusion connector - Google Patents
A universal drainage and infusion connector Download PDFInfo
- Publication number
- CN112245793A CN112245793A CN202011116313.5A CN202011116313A CN112245793A CN 112245793 A CN112245793 A CN 112245793A CN 202011116313 A CN202011116313 A CN 202011116313A CN 112245793 A CN112245793 A CN 112245793A
- Authority
- CN
- China
- Prior art keywords
- membrane
- infusion
- transfer line
- infusion tube
- drainage
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- Pending
Links
- 238000001802 infusion Methods 0.000 title claims abstract description 56
- 239000012528 membrane Substances 0.000 claims abstract description 73
- 238000001914 filtration Methods 0.000 claims description 28
- 238000012546 transfer Methods 0.000 claims description 23
- 238000005070 sampling Methods 0.000 claims description 19
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 229920002545 silicone oil Polymers 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 24
- 238000009423 ventilation Methods 0.000 abstract 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
- A61M39/10—Tube connectors; Tube couplings
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Pulmonology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
本申请涉及一种通用引流、输液接头，包括输液管、空气过滤膜和膜盖，所述输液管的周向外侧壁上开设有与输液管内腔连通的排气通道，所述空气过滤膜拦截在排气通道中，所述膜盖卡接在排气通道的内壁上，且膜盖阻挡在空气过滤膜远离输液管内腔的一侧,所述膜盖上开设有通气孔，所述通气孔用于连通排气通道和外界。空气过滤膜设置在输液管的侧面，而输液管内的液体始终保持着流动，避免液体静止阻挡在空气过滤膜的一侧，即使是粘稠度高的液体也难以将空气过滤膜所在的位置挡死，保障输体管内的气泡能够接触到空气过滤膜并通过空气过滤膜，从而起到有效地排出空气的作用。
The present application relates to a general drainage and infusion joint, comprising an infusion tube, an air filter membrane and a membrane cover. An exhaust channel communicating with the inner cavity of the infusion tube is opened on the peripheral outer wall of the infusion tube, and the air filter membrane intercepts the In the exhaust channel, the membrane cover is clamped on the inner wall of the exhaust channel, and the membrane cover is blocked on the side of the air filter membrane away from the inner cavity of the infusion tube. The membrane cover is provided with a ventilation hole, and the ventilation hole Used to communicate the exhaust passage and the outside world. The air filter membrane is arranged on the side of the infusion tube, and the liquid in the infusion tube keeps flowing all the time, so as to avoid the liquid blocking the air filter membrane at one side, even the liquid with high viscosity is difficult to block the position of the air filter membrane. To ensure that the air bubbles in the body tube can contact the air filter membrane and pass through the air filter membrane, so as to effectively discharge the air.
Description
Technical Field
The application relates to the field of medical equipment, in particular to a universal drainage and infusion joint.
Background
The universal drainage and transfusion joint can be used for connecting a drainage tube and a transfusion tube by the aid of the literal interpretation of the universal drainage and transfusion joint. More specifically, it is called a drainage and venting interface when applied to a line for draining a patient, such as a patient after a thoracoabdominal surgery, and it is called an infusion connector when applied to a line for which an infusion (conventionally called a infusion) is required.
The medical universal air exhaust interface on the market does not contain an air filtering function, and the medical universal air exhaust interface is used for conveying liquid whether as a drainage air exhaust interface or an infusion connector. When bubbles are found in the liquid being transferred, the bubbles need to be manually removed by medical personnel to avoid affecting the user. However, this method delays the medical staff and is cumbersome and requires monitoring the presence of air bubbles in the exhaust port at all times.
Disclosure of Invention
In order to facilitate the removal of air bubbles from the fluid being transferred, the present application provides a universal drainage, infusion connector.
The application provides a general drainage, infusion connect adopts following technical scheme:
the utility model provides a general drainage, infusion connect, includes transfer line, filtration membrane and membrane lid, set up the exhaust passage who communicates with the transfer line inner chamber on the circumference lateral wall of transfer line, the filtration membrane interception is in exhaust passage, membrane lid joint is on exhaust passage's inner wall, and the membrane lid blocks the one side of keeping away from the transfer line inner chamber at filtration membrane, the air vent has been seted up on the membrane lid, the air vent is used for intercommunication exhaust passage and external.
Through adopting above-mentioned technical scheme, air filtration membrane sets up the side at the transfer line, and the liquid in the transfer line is keeping flowing all the time, avoids liquid static to block in air filtration membrane's one side, even liquid that the viscosity is high also is difficult to keep off the position that air filtration membrane belongs to and dies, and the bubble in the guarantee transfer line can contact air filtration membrane and pass through air filtration membrane to play the effect of exhaust air effectively.
Optionally, the terminal surface that air filtration membrane was kept away from to the membrane lid is kept away from the tip opening parallel and level of transfer line inner chamber with exhaust passage, the air vent has a plurality ofly, and a plurality of air vents are around the center pin evenly distributed of membrane lid
By adopting the technical scheme, when the infusion tube is used, the membrane cover is completely positioned in the exhaust channel, the membrane cover is not easy to touch, and the membrane cover can stably fix the air filtering membrane for a long time so that the air filtering membrane can normally work; and the setting of a plurality of air vents not only satisfies the circulation of air, can also provide the clamping position who grips the membrane lid, conveniently takes out the membrane lid.
Optionally, the circumferential side wall of the membrane cover is provided with a convex point, and the inner wall of the exhaust channel is provided with a groove matched with the convex point.
Through adopting above-mentioned technical scheme, further increase the joint strength between membrane lid and the exhaust passage inner wall, in case the membrane lid enters into exhaust passage, the bump will block into in the recess, restriction membrane lid's removal makes the transfer line receive the circumstances that external force collided the membrane lid and can not shift out from exhaust passage easily.
Optionally, a buffer groove is formed in the inner side wall of the infusion tube, and the end part of the exhaust passage communicated with the inner cavity of the infusion tube is formed in the groove wall of the buffer groove.
By adopting the technical scheme, the slow flow groove is formed, so that the section size of the local position of the infusion tube is enlarged, the flow speed of liquid flowing through the area of the infusion tube is slowed down, bubbles contained in the liquid have enough time to pass through the air filtering membrane, and the air discharge efficiency is improved.
Optionally, a sampling channel communicated with the inner cavity of the infusion tube is further formed in the outer side wall of the infusion tube, a rubber plug is mounted on the outer side wall of the infusion tube and plugged on an orifice of the sampling channel, a self-closed notch is formed in the rubber plug and communicated with the sampling channel, and medical lubricating oil is coated in the notch.
Through adopting above-mentioned technical scheme, except the effect of drainage, infusion, the transfer line can also be used for the sampling, further increases the function that the universal joint was connected, makes through-hole joint ability application scope bigger, and sets up the plug on the sampling channel, and restriction liquid is discharged from the sampling channel, does not influence the normal use of transfer line.
Optionally, the exhaust channel and the sampling channel are sequentially arranged on the infusion tube along the infusion direction.
Through adopting above-mentioned technical scheme, the liquid that samples has all been through filtration, samples to this part liquid, can reduce the interference of air, makes the detected data more accurate.
Optionally, the transfer line includes feed liquor section, interlude and linkage segment, feed liquor section, interlude and linkage segment set gradually along the infusion direction, the both ends of interlude are detachably connected respectively on feed liquor section and linkage segment, the sampling passageway is seted up on the interlude, exhaust passage is seted up on the feed liquor section.
Through adopting above-mentioned technical scheme, whole transfer line can be assembled according to the needs of reality, when need not use the sampling function, can get rid of the interlude, and when needing to use the sampling function, installs the interlude soon.
Optionally, the medical lubricating oil is silicone oil.
By adopting the technical scheme, the silicone oil has excellent heat resistance, electrical insulation, weather resistance, hydrophobicity, physiological inertia and smaller surface tension, and also has low viscosity-temperature coefficient and higher compression resistance; and the silicone oil can also reliably form a protective film in a narrow space.
Optionally, the rubber plug is a silica gel sulfide rubber plug.
By adopting the technical scheme, the vulcanized silica gel has very good demoulding performance, is suitable for manufacturing precise sealing elements, and improves the sealing effect.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the side wall of the infusion tube is provided with the exhaust channel and the air filtering membrane is arranged, so that the infusion tube can automatically exhaust air in the transmission liquid, and medical resources are saved;
2. the universal joint has the sampling function by arranging the sampling channel on the infusion tube and installing the rubber plug, so that the application range of the universal joint is widened.
Drawings
Fig. 1 is an overall structural view of an embodiment of the present application.
Fig. 2 is a cross-sectional view of an embodiment of the present application.
Fig. 3 is an enlarged view at a in fig. 2.
Description of reference numerals: 1. a transfusion tube; 2. a liquid inlet section; 21. a flow slowing groove; 22. an exhaust passage; 221. a groove; 3. a middle section; 31. a first end portion; 32. a second end portion; 4. a connecting section; 5. a seal ring; 6. an air filtration membrane; 7. a membrane cover; 71. a vent hole; 72. salient points; 8. a rubber plug; 81. and (6) cutting.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a universal drainage and infusion joint. Referring to fig. 1, including transfer line 1, transfer line 1 includes feed liquor section 2, interlude 3 and linkage segment 4, and feed liquor section 2, interlude 3 and linkage segment 4 set gradually along the infusion direction, and feed liquor section 2, interlude 3 and linkage segment 4 are the hollow tube, and the inner chamber of feed liquor section 2, interlude 3 and linkage segment 4 communicates in proper order and forms the infusion passageway. The liquid inlet section 2, the middle section 3 and the connecting section 4 can be integrally formed or can be detachably connected together. In the embodiment of the present application, referring to fig. 2, the inlet section 2, the middle section 3 and the connecting section 4 are detachably connected together. The two ends of the middle section 3 are respectively inserted into the liquid inlet section 2 and the connecting section 4.
Referring to fig. 2 and 3, a buffer groove 21 is formed in the inner side wall of the liquid inlet section 2, the buffer groove 21 is a flaring groove, and two side faces of the buffer groove 21 in the circumferential direction of the liquid inlet section 2 are cambered surfaces. An exhaust passage 22 is formed in the outer side wall of the liquid inlet section 2, the exhaust passage 22 is communicated with the buffer groove 21, and the cross-sectional area of the exhaust passage 22 is larger than the area of the bottom of the buffer groove 21. A step surface is formed between the inner wall of the exhaust passage 22 and the bottom of the buffer groove 21.
Referring to fig. 2 and 3, a sealing ring 5, an air filtering membrane 6 and a membrane cover 7 are mounted on the inner wall of the exhaust passage 22. The air filter membrane 6 is a waterproof and breathable membrane, and the air filter membrane 6 allows air to pass through under the action of water pressure, but limits the passage of water. The sealing ring 5, the air filtration membrane 6 and the membrane cover 7 are installed in this order from the end of the exhaust passage 22 close to the buffer tank 21 to the end far from the buffer tank 21. Wherein, one side surface of the sealing ring 5 is attached on the step surface, and the air filtering membrane 6 is covered on the other side surface of the sealing ring 5. One end of the membrane cover 7 presses the air filtering membrane 6 on the sealing ring 5 and presses the sealing ring 5 on the step surface, and the end surface of the other end of the membrane cover 7 is flush with the end opening of the exhaust channel 22 far away from the flow-slowing groove 21.
Referring to fig. 1 and 2, a plurality of vent holes 71 are formed in the membrane cover 7, and the vent holes 71 are used for communicating the exhaust passage 22 with the outside. The plurality of vent holes 71 are divided into an outer ring hole and an inner ring hole according to whether the vent holes 71 are close to the center of the membrane cover 7, and the vent holes 71 belonging to the outer ring hole or the inner ring hole are uniformly distributed around the central axis of the membrane cover 7. Two salient points 72 are integrally formed on the circumferential side wall of the film cover 7, and the two salient points 72 are respectively positioned on two sides of the film cover 7. The inner wall of the exhaust channel 22 far away from the buffer groove 21 is provided with a groove 221 matched with the salient point 72. When the film cover 7 is completely pushed into the exhaust passage 22, the protrusions 72 are fitted into the grooves 221.
Referring to fig. 1 and 2, a sampling channel is formed on the circumferential outer side wall of the middle section 3. The sampling passage is stepped and comprises a first end 31 communicating with the lumen of the intermediate section 3 and a second end 32 remote from the lumen of the intermediate section 3, the first end 31 having a smaller diameter than the second end 32. The middle section 3 is also provided with a rubber plug 8. The rubber plug 8 is a silica gel rubber plug, and the rubber plug 8 is clamped in the second end portion 32. The end face of the rubber plug 8 departing from the first end portion 31 is provided with a self-sealing notch 81, the notch 81 penetrates through the rubber plug 8, and the length direction of the notch 81 is the same as that of the middle section 3. The notch 81 communicates with the first end 31, and medical lubricant is coated in the notch 81. The medical lubricating oil is silicone oil.
The implementation principle of the universal drainage and infusion joint in the embodiment of the application is as follows: before the infusion tube 1 is used, the membrane cover 7 needs to be pulled out to check the integrity of the air filtering membrane 6, so that the membrane cover 7 can be correctly installed back after the air filtering membrane 6 is free from problems. If the middle section 3 is also arranged on the infusion tube 1, the sealing performance of the rubber plug 8 needs to be detected, and the notch 81 can not have obvious gaps. After preparation, the infusion tube 1 is installed in the drainage or infusion tube 1. After drainage or infusion are stable, the infusion tube 1 is filled with liquid, and when the liquid containing air bubbles passes through the liquid inlet section 2, the flow velocity of the liquid is slowed down under the influence of the buffer groove. Therefore, the air bubbles have enough time to contact with the air filtering membrane 6 and pass through the air filtering membrane 6 under the action of hydraulic pressure, thereby playing the role of automatically discharging the air in the infusion tube 1.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. A universal drainage and transfusion joint is characterized in that: including transfer line (1), filtration membrane (6) and membrane lid (7), set up exhaust passage (22) with transfer line (1) inner chamber intercommunication on the circumference lateral wall of transfer line (1), filtration membrane (6) interception is in exhaust passage (22), membrane lid (7) joint is on the inner wall of exhaust passage (22), and membrane lid (7) block the one side of keeping away from transfer line (1) inner chamber in filtration membrane (6), air vent (71) have been seted up on membrane lid (7), air vent (71) are used for intercommunication exhaust passage (22) and external.
2. The universal drainage, infusion connector of claim 1, wherein: the end face, far away from the air filtering membrane (6), of the membrane cover (7) is flush with the end opening, far away from the inner cavity of the infusion tube (1), of the exhaust channel (22), the vent holes (71) are multiple, and the vent holes (71) are uniformly distributed around the central shaft of the membrane cover (7).
3. The universal drainage, infusion connector of claim 1, wherein: the film cover is characterized in that salient points (72) are installed on the circumferential side wall of the film cover (7), and grooves (221) matched with the salient points (72) are formed in the inner wall of the exhaust channel (22).
4. The universal drainage, infusion connector of claim 1, wherein: a slow-flow groove (21) is formed in the inner side wall of the infusion tube (1), and the end part of the exhaust channel (22) communicated with the inner cavity of the infusion tube (1) is formed in the groove wall of the slow-flow groove (21).
5. The universal drainage, infusion connector of claim 1, wherein: still set up the sampling passageway with transfer line (1) inner chamber intercommunication on the lateral wall of transfer line (1), install plug (8) on the lateral wall of transfer line (1), plug (8) block up on the drill way of sampling passageway, set up on plug (8) from closed incision (81), incision (81) and sampling passageway intercommunication, it has medical lubricating oil to scribble in incision (81).
6. The universal drainage, infusion connector of claim 5, wherein: the exhaust channel (22) and the sampling channel are sequentially arranged on the infusion tube (1) along the infusion direction.
7. The universal drainage, infusion connector of claim 5, wherein: transfer line (1) includes feed liquor section (2), interlude (3) and linkage segment (4), feed liquor section (2), interlude (3) and linkage segment (4) set gradually along the infusion direction, the both ends of interlude (3) are detachably connected respectively on feed liquor section (2) and linkage segment (4), the sampling passageway is seted up on interlude (3), exhaust passage (22) are seted up on feed liquor section (2).
8. The universal drainage, infusion connector of claim 5, wherein: the medical lubricating oil is silicone oil.
9. The universal drainage, infusion connector of claim 5, wherein: the rubber plug (8) is a silica gel sulfide rubber plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116313.5A CN112245793A (en) | 2020-10-19 | 2020-10-19 | A universal drainage and infusion connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011116313.5A CN112245793A (en) | 2020-10-19 | 2020-10-19 | A universal drainage and infusion connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112245793A true CN112245793A (en) | 2021-01-22 |
Family
ID=74245392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011116313.5A Pending CN112245793A (en) | 2020-10-19 | 2020-10-19 | A universal drainage and infusion connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112245793A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317374A (en) * | 2021-09-03 | 2022-11-11 | 上海必趣医疗科技有限公司 | Can be directly with nutrition infusion joint design that lile bao is connected |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020162509A1 (en) * | 2001-03-03 | 2002-11-07 | Reggie Hakes | Sampling method and sampling device therefor |
| CN201088751Y (en) * | 2007-06-22 | 2008-07-23 | 黄金钟 | Self-exhaust filter for infusion |
| CN203291304U (en) * | 2013-06-04 | 2013-11-20 | 圣光医用制品有限公司 | Disposable automatic air-exhausting liquid-stopping infusion set |
| CN107137816A (en) * | 2017-05-16 | 2017-09-08 | 浙江新德意医疗科技股份有限公司 | A kind of supporting extension tube for pressure fluid delivery apparatus |
| CN209595756U (en) * | 2018-12-26 | 2019-11-08 | 台州市路桥瑞豪科技有限公司 | A kind of sampling joint |
| CN214050176U (en) * | 2020-10-19 | 2021-08-27 | 台州市路桥瑞豪科技有限公司 | Universal drainage and transfusion joint |
-
2020
- 2020-10-19 CN CN202011116313.5A patent/CN112245793A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020162509A1 (en) * | 2001-03-03 | 2002-11-07 | Reggie Hakes | Sampling method and sampling device therefor |
| CN201088751Y (en) * | 2007-06-22 | 2008-07-23 | 黄金钟 | Self-exhaust filter for infusion |
| CN203291304U (en) * | 2013-06-04 | 2013-11-20 | 圣光医用制品有限公司 | Disposable automatic air-exhausting liquid-stopping infusion set |
| CN107137816A (en) * | 2017-05-16 | 2017-09-08 | 浙江新德意医疗科技股份有限公司 | A kind of supporting extension tube for pressure fluid delivery apparatus |
| CN209595756U (en) * | 2018-12-26 | 2019-11-08 | 台州市路桥瑞豪科技有限公司 | A kind of sampling joint |
| CN214050176U (en) * | 2020-10-19 | 2021-08-27 | 台州市路桥瑞豪科技有限公司 | Universal drainage and transfusion joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115317374A (en) * | 2021-09-03 | 2022-11-11 | 上海必趣医疗科技有限公司 | Can be directly with nutrition infusion joint design that lile bao is connected |
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