CN212369379U - Puncture joint of infusion apparatus - Google Patents
Puncture joint of infusion apparatus Download PDFInfo
- Publication number
- CN212369379U CN212369379U CN202020284914.6U CN202020284914U CN212369379U CN 212369379 U CN212369379 U CN 212369379U CN 202020284914 U CN202020284914 U CN 202020284914U CN 212369379 U CN212369379 U CN 212369379U
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- Prior art keywords
- liquid
- puncture
- air inlet
- needle
- liquid outlet
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- 238000001802 infusion Methods 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 158
- 239000003292 glue Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 37
- 238000001914 filtration Methods 0.000 abstract description 6
- 239000011550 stock solution Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 241001411320 Eriogonum inflatum Species 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses an infusion apparatus puncture connector, including base and puncture head, characterized by: the interior of the puncture connector is provided with an air inlet channel and a liquid outlet channel; the air inlet channel is provided with a one-way air inlet assembly, an air inlet of the air inlet channel is positioned on the base, and an air outlet of the air inlet channel is positioned on the puncture head; the liquid outlet channel comprises a liquid inlet section, a liquid storage cavity and a liquid outlet section; the liquid inlet of the liquid inlet section is positioned on the puncture head, and the liquid outlet is communicated with the liquid storage cavity; the liquid inlet of the liquid outlet section is communicated with the liquid storage cavity, and the liquid outlet is positioned on the base. The utility model discloses have the filtration function to get into the air among the liquid medicine in the pipe and get rid of, recycle that can also be convenient for simultaneously, and promote the function with medicine bottle lid grafting stability.
Description
Technical Field
The utility model relates to the field of medical equipment, more specifically relate to an infusion apparatus puncture connector.
Background
An infusion set is a device for delivering liquid medicine to a patient. The structure of the prior infusion apparatus is generally formed by connecting a vein needle, a protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a precise filtering device, a bottle stopper puncture outfit and an air inlet pipe air filter. When the infusion bottle works, liquid in the bottle flows into the dropping funnel along the thin infusion hose under the action of atmospheric pressure, and when the pressure of a water column of the dropping funnel is greater than the venous pressure, the liquid in the bottle flows into veins along the hose.
In the prior art, the infusion apparatus bottle plug puncture outfit does not have the air filtering function, so that the liquid medicine entering the infusion apparatus catheter is doped with air, and the air easily enters the human body along with the liquid medicine.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects of the prior art, the utility model provides a puncture adapter of an infusion apparatus, which has the function of air filtration so as to remove the air in the liquid medicine entering the catheter.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an infusion set puncture connects, includes base and puncture head, characterized by: the interior of the puncture connector is provided with an air inlet channel and a liquid outlet channel;
the air inlet channel is provided with a one-way air inlet assembly, an air inlet of the air inlet channel is positioned on the base, and an air outlet of the air inlet channel is positioned on the puncture head;
the liquid outlet channel comprises a liquid inlet section, a liquid storage cavity and a liquid outlet section; the liquid inlet of the liquid inlet section is positioned on the puncture head, and the liquid outlet is communicated with the liquid storage cavity; the liquid inlet of the liquid outlet section is communicated with the liquid storage cavity, and the liquid outlet is positioned on the base.
Preferably, the base comprises a shell and a cover body covering the shell, and the puncture head comprises a needle seat and a puncture needle;
the lower end of the needle seat is formed on the cover body, and the liquid inlet of the liquid inlet section is formed in the side wall of the needle seat;
the lower end of the puncture needle is fixed in the shell, the upper end of the puncture needle penetrates through the needle seat and is positioned outside the needle seat, and the air outlet of the air inlet channel is positioned at the upper end of the puncture needle and is positioned above the liquid inlet of the liquid inlet section.
Preferably, the liquid inlet section is formed by the isolation arrangement of the inner wall of the needle seat and the outer wall of the puncture needle.
Preferably, a liquid storage tank is arranged in the shell, and the liquid storage cavity is formed by covering the cover body on a groove opening of the liquid storage tank.
Preferably, the liquid outlet section is a liquid outlet pipe arranged in the shell, and a filter cover is arranged on a liquid inlet of the liquid outlet section.
Preferably, the air inlet channel comprises a needle hole of the puncture needle and an air inlet cavity formed in the shell; the lower end of the puncture needle is communicated with the air inlet cavity, and the one-way air inlet assembly is positioned in the air inlet cavity.
Preferably, a positioning tube is arranged on the bottom wall of the liquid storage cavity, and the lower end of the puncture needle is inserted into the positioning tube and compounded through glue.
Preferably, the upper nozzle of the positioning pipe is of a horn-shaped structure.
Preferably, the cover body, the shell and the one-way air inlet assembly are all made of PVC materials.
Preferably, the diameter of the puncture head increases gradually from top to bottom.
The utility model has the advantages that:
1. when the liquid outlet channel discharges liquid outwards, the liquid medicine enters the liquid storage cavity through the liquid inlet section, and the liquid medicine in the liquid storage cavity is introduced into the liquid outlet section and the liquid outlet guide pipe; when the liquid medicine passes through the liquid storage cavity, the liquid storage cavity can store and transit the liquid medicine, so that air in the liquid medicine is retained in the liquid storage cavity, an air filtering effect can be achieved on the liquid medicine, and the liquid medicine is effectively prevented from flowing out of the puncture connector with air;
2. the air inlet channel and the liquid outlet channel are independently arranged, and the one-way air inlet assembly is arranged in the air inlet channel, so that the pressure difference balance can be kept, the liquid outlet effect is obviously improved, and the problem that liquid medicine leaks outside through the air inlet channel is avoided.
Drawings
FIG. 1 is a sectional view of a puncture adapter of an infusion set provided in the present embodiment;
fig. 2 is an overall schematic diagram provided in the present embodiment.
Detailed Description
The puncture outfit of the infusion apparatus of the present invention will be further described with reference to fig. 1 to 2.
The utility model provides an infusion set puncture connects, includes base 1 and puncture head 2, characterized by: the interior of the puncture connector is provided with an air inlet channel and a liquid outlet channel.
The air inlet channel is provided with a one-way air inlet component 5, the air inlet of the air inlet channel is positioned at the lower side of the base 1, and the air outlet 43 is positioned on the puncture head 2.
The liquid outlet channel comprises a liquid inlet section 31, a liquid storage cavity 32 and a liquid outlet section 33; the liquid inlet 311 of the liquid inlet section 31 is positioned on the puncture head 2, and the liquid outlet 312 is communicated with the liquid storage cavity 32; the liquid inlet 331 of the liquid outlet section 33 is communicated with the liquid storage cavity 32, and the liquid outlet 332 is positioned on the base 1.
When in use, the utility model is inserted into a liquid medicine bottle or a liquid medicine bag through the puncture head 2, the air inlet channel is connected with an air inlet pipe, and the liquid outlet section 33 is connected with a liquid outlet conduit. When the liquid outlet channel discharges liquid outwards, the liquid medicine enters the liquid storage cavity 32 through the liquid inlet section 31, and the liquid medicine in the liquid storage cavity 32 is introduced into the liquid outlet section 33 and the liquid outlet guide pipe; when liquid medicine process stock solution chamber 32, stock solution chamber 32 can save and transition liquid medicine for the air in the liquid medicine is detained in stock solution chamber 32, plays filtered air's effect to the liquid medicine promptly, prevents effectively that the liquid medicine from taking the air to flow out puncture connector.
The air inlet channel and the liquid outlet channel are independently arranged, and the one-way air inlet assembly 5 is arranged in the air inlet channel, so that the pressure difference balance can be kept, the liquid outlet effect is obviously improved, and the problem that liquid medicine leaks outside through the air inlet channel is avoided.
The embodiment is further configured as follows: the base 1 comprises a shell 12 and a cover body 11 covering the shell, and the puncture head 2 comprises a needle seat 21 and a puncture needle 22; the lower end of the needle seat 21 is formed on the central opening of the cover body 11, and the liquid inlet 311 of the liquid inlet section 31 is opened on the side wall of the needle seat 21; the lower end of the puncture needle 22 is fixed in the shell 12, the upper end passes through the needle seat 21 and is positioned outside the needle seat, and the air outlet 43 of the air inlet channel is arranged at the upper end of the puncture needle 22 and is positioned above the liquid inlet of the liquid inlet section 31. With the structure, the utility model is convenient for production and assembly; the air outlet 43 of the air inlet channel is higher than the liquid inlet 311 of the liquid outlet channel, and the structure can ensure that the air is higher than the liquid medicine when entering the medicine bottle, thereby obviously reducing the situation that the air directly enters the liquid inlet of the liquid outlet channel in the rising process or the air is doped in the liquid medicine and enters the liquid inlet 311 of the liquid outlet channel along with the liquid medicine. After the cover 11 is covered on the housing 12, it is sealed by glue or by a sealing ring.
The embodiment is further configured as follows: the liquid inlet section 31 is formed by the isolation arrangement of the inner wall of the needle seat 21 and the outer wall of the puncture needle 22, namely a gap between the needle seat and the puncture needle. Should set up simple structure, the production setting of being convenient for to and the liquid medicine in the medicine bottle of being convenient for flows.
The embodiment is further configured as follows: the housing 12 has a liquid storage tank 121 therein, and the liquid storage cavity 32 is formed by covering the cover 11 on a notch of the liquid storage tank 121. Under this structure, realize feed liquor section 31 and stock solution chamber 32 from top to bottom link up for in feed liquor section 31's liquid medicine directly enters into stock solution chamber 32, carries out filtration.
The embodiment is further configured as follows: the liquid outlet section 33 is a liquid outlet pipe formed in the shell 12, a filter cover 9 is arranged on the liquid inlet 331 of the liquid outlet section 33, the bottom of the filter cover 9 is provided with a plurality of columns 91 which are circumferentially arranged, a filter opening 92 is formed between every two adjacent columns, the filter cover is fixed on the liquid inlet 331 through the formation of the columns at the bottom, and the liquid medicine enters the liquid outlet section 22 through the filter openings. The filter cover 9 can filter the liquid medicine entering the liquid outlet section to filter 0.6n fruit grains in the medicine, thereby playing a role of safe transfusion, preventing the puncture head 2 from being inserted into a transfusion bottle or the transfusion bag from taking out the bottle stopper cutter to enter the liquid outlet conduit before transfusion, and preventing patients and family members from seeing disputes between the rubber-cut foreign matters and medical care personnel.
The embodiment is further configured as follows: the air inlet channel comprises a needle hole 41 of the puncture needle 22 and an air inlet cavity 42 formed in the shell 12, and the air inlet cavity 42 is positioned below the liquid storage tank 121; the lower end of the puncture needle 22 is communicated with the air inlet cavity 42, and the one-way air inlet component 5 is positioned in the air inlet cavity 42. Under this structure, the air enters into the medicine bottle through air inlet cavity 42 and pinhole 41, realizes the function of one-way air inlet.
The one-way air intake assembly 5 comprises a valve body 51 and a floating ball 52 arranged in the valve body 51; the unidirectional air inlet assembly 5 has another structure mode that the unidirectional air inlet assembly comprises a valve body 51 and a floating sheet arranged on an air outlet of the valve body 51. In this embodiment, the filter element 6 is disposed on the air inlet of the valve body 51, and the valve body 51 and the filter element 6 are clamped in the air inlet chamber 42 by a clamping ring 7.
The embodiment is further configured as follows: the bottom wall of the liquid storage cavity 32 is provided with a positioning tube 8, the lower orifice of the positioning tube 8 is communicated with the air inlet cavity 42, and the lower end of the puncture needle 22 is inserted into the positioning tube 8 and compounded by glue. With this structure, the fixation of the puncture needle 22 is achieved, and the needle hole 41 of the puncture needle 22 communicates with the air intake chamber 42.
The implementation is further configured to: the upper pipe orifice of the positioning pipe 8 is of a horn-shaped structure. This arrangement can facilitate the application of glue between the outer wall of the spike 22 and the inner wall of the positioning tube 8.
The embodiment is further configured as follows: the cover body 11, the shell body 12 and the unidirectional air inlet assembly are all made of PVC materials. Under this structure, utilize automatic needle device of pulling out to dial out the back with pjncture needle 22, remaining part is the PVC material, is convenient for recycle, and PVC is transparent material simultaneously, is convenient for observe.
The embodiment is further configured as follows: the diameter of the puncture head 2 is gradually increased from top to bottom. Under this structure, can make puncture head 2 when inserting the bottle lid of medicine bottle, can block closely more with the bottle lid, reduce the problem that puncture head 2 accident dropped.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an infusion set puncture connects, includes base and puncture head, characterized by: the interior of the puncture connector is provided with an air inlet channel and a liquid outlet channel;
the air inlet channel is provided with a one-way air inlet assembly, an air inlet of the air inlet channel is positioned on the base, and an air outlet of the air inlet channel is positioned on the puncture head;
the liquid outlet channel comprises a liquid inlet section, a liquid storage cavity and a liquid outlet section; the liquid inlet of the liquid inlet section is positioned on the puncture head, and the liquid outlet is communicated with the liquid storage cavity; the liquid inlet of the liquid outlet section is communicated with the liquid storage cavity, and the liquid outlet is positioned on the base.
2. The infusion set puncture adapter according to claim 1, characterized in that: the base comprises a shell and a cover body covering the shell, and the puncture head comprises a needle seat and a puncture needle;
the lower end of the needle seat is formed on the cover body, and the liquid inlet of the liquid inlet section is formed in the side wall of the needle seat;
the lower end of the puncture needle is fixed in the shell, the upper end of the puncture needle penetrates through the needle seat and is positioned outside the needle seat, and the air outlet of the air inlet channel is positioned at the upper end of the puncture needle and is positioned above the liquid inlet of the liquid inlet section.
3. The infusion set puncture adapter according to claim 2, wherein: the liquid inlet section is formed by the isolation arrangement of the inner wall of the needle seat and the outer wall of the puncture needle.
4. The infusion set puncture adapter according to claim 2, wherein: the shell is internally provided with a liquid storage tank, and the liquid storage cavity is formed by covering the cover body on a notch of the liquid storage tank.
5. The infusion set puncture adapter according to claim 2, wherein: the liquid outlet section is a liquid outlet pipe arranged in the shell, and a filter cover is arranged on a liquid inlet of the liquid outlet section.
6. The infusion set puncture adapter according to claim 2, wherein: the air inlet channel comprises a needle hole of the puncture needle and an air inlet cavity formed in the shell; the lower end of the puncture needle is communicated with the air inlet cavity, and the one-way air inlet assembly is positioned in the air inlet cavity.
7. The infusion set puncture adapter according to claim 2, wherein: the bottom wall of the liquid storage cavity is provided with a positioning tube, and the lower end of the puncture needle is inserted into the positioning tube and compounded through glue.
8. The infusion set spike of claim 7 wherein: the upper pipe orifice of the positioning pipe is of a horn-shaped structure.
9. The infusion set puncture adapter according to claim 2, wherein: the cover body, the shell and the unidirectional air inlet assembly are all made of PVC materials.
10. The infusion set puncture adapter according to claim 1, characterized in that: the diameter of the puncture head is gradually increased from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284914.6U CN212369379U (en) | 2020-03-10 | 2020-03-10 | Puncture joint of infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020284914.6U CN212369379U (en) | 2020-03-10 | 2020-03-10 | Puncture joint of infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212369379U true CN212369379U (en) | 2021-01-19 |
Family
ID=74158017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020284914.6U Active CN212369379U (en) | 2020-03-10 | 2020-03-10 | Puncture joint of infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212369379U (en) |
-
2020
- 2020-03-10 CN CN202020284914.6U patent/CN212369379U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Puncture joint of infusion set Effective date of registration: 20211122 Granted publication date: 20210119 Pledgee: Pinghu Rural Commercial Bank of Zhejiang, Limited by Share Ltd. Pledgor: ZHEJIANG HUAFU MEDICAL EQUIPMENT Co.,Ltd. Registration number: Y2021330002320 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20221201 Granted publication date: 20210119 Pledgee: Pinghu Rural Commercial Bank of Zhejiang, Limited by Share Ltd. Pledgor: ZHEJIANG HUAFU MEDICAL EQUIPMENT Co.,Ltd. Registration number: Y2021330002320 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Infusion device puncture joint Effective date of registration: 20231213 Granted publication date: 20210119 Pledgee: Pinghu Rural Commercial Bank of Zhejiang, Limited by Share Ltd. Pledgor: ZHEJIANG HUAFU MEDICAL EQUIPMENT Co.,Ltd. Registration number: Y2023980070861 |