CN209770998U - Automatic liquid-stopping and automatic-exhausting dropping funnel - Google Patents
Automatic liquid-stopping and automatic-exhausting dropping funnel Download PDFInfo
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- CN209770998U CN209770998U CN201821616599.1U CN201821616599U CN209770998U CN 209770998 U CN209770998 U CN 209770998U CN 201821616599 U CN201821616599 U CN 201821616599U CN 209770998 U CN209770998 U CN 209770998U
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- liquid
- dropping funnel
- automatic
- drip chamber
- exhaust
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- 239000007788 liquid Substances 0.000 claims abstract description 113
- 239000012528 membrane Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 16
- 239000003814 drug Substances 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 7
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 239000004816 latex Substances 0.000 claims description 3
- 229920000126 latex Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 238000001802 infusion Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 206010001526 Air embolism Diseases 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 208000028399 Critical Illness Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an automatic end liquid self-bleeding drip chamber belongs to medical instrument technical field, the drip chamber is including drip chamber lid, drip chamber body, exhaust subassembly and end the liquid subassembly, the drip chamber is covered to be equipped with and is extended to the inside exhaust post of drip chamber body, the exhaust subassembly includes exhaust seat and hydrophobic nature filtration membrane, end the liquid subassembly including drip chamber seat, end liquid film and lower burette, the utility model discloses realize self-bleeding and secondary exhaust with the help of exhaust subassembly, realize automatic and safe liquid with the help of ending the liquid subassembly, simultaneously, drip chamber seat and end the hot shut of liquid film and form in order to realize seamless connection, effectively prevent that gas from passing, and the drip chamber body is established to adopting the straight tube-shape of extruder extrusion molding, has improved production efficiency, is fit for mass production, and economic benefits is high.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, specifically speaking relates to an automatic end liquid self-bleeding drip chamber.
Background
At present, when clinical venous transfusion is carried out in the medical field, a disposable transfusion device is generally adopted, and the transfusion device has the following problems in the use process:
when a common infusion apparatus is used for infusion, liquid medicine is introduced into a dropping funnel by manual squeezing, gas in the dropping funnel is easily discharged downwards by the liquid medicine to form a gas-liquid mixture to enter a long infusion catheter in the process that the liquid medicine enters the dropping funnel from a dropper through a pipeline, a small amount of bubbles are easily adsorbed on the inner wall of the long infusion catheter, the process of removing the bubbles is difficult, troublesome and time-consuming, and if the bubbles cannot be removed well, the bubbles enter a patient body along with the liquid medicine, so that the dangers of air embolism and the like are easily caused. Different kinds of automatic air exhaust infusion sets have appeared on the market today, but these infusion sets present new problems as well: the first exhaust is relatively smooth, and the exhaust column is blocked by the liquid medicine during the second exhaust, so that the exhaust is not smooth, and a nurse is still required to squeeze the dropping funnel.
secondly, the working strength of medical staff is very high, the situation that the medical staff does not replace an infusion bottle or pull out an infusion needle in time often occurs, if a patient does not actively close the air of the flow regulator, the air can enter the body of the patient to cause air embolism, or other unsafe factors such as blood return and the like occur, the mental burden of the patient can be directly increased, and meanwhile, when the patient faces to emergency infusion and rescue of critically ill patients, serious consequences can be caused. Currently, different kinds of automatic liquid stopping devices are used in the market, for example, the application number is ZL201420855249.6, which is named as an automatic exhaust automatic liquid stopping drip chamber, and the automatic exhaust automatic liquid stopping device is disclosed to be composed of three main parts: self-exhausting drip chamber cover, drip chamber body and liquid stopping device. Wherein, need install filtration membrane and air inlet seat from exhaust drip chamber lid, end the liquid device by end liquid upper cover, end liquid lower cover and end liquid membrane material and constitute, the preparation technology is complicated, and the process is more, and production efficiency is low to can't guarantee that gas sees through from ending liquid device and drip chamber fit clearance, have certain safe risk.
SUMMERY OF THE UTILITY MODEL
in order to solve the above problems, an automatic liquid-stopping and automatic air-discharging drip chamber is proposed which has a simple structure and can realize secondary air discharging.
In order to achieve the above object, the utility model provides a following technical scheme:
An automatic liquid stopping and automatic air exhausting dropping funnel comprises a dropping funnel cover, a dropping funnel body, an air exhausting assembly and a liquid stopping assembly, wherein an air exhausting column extending to the inside of the dropping funnel body is arranged on the dropping funnel cover;
The drip chamber body is set to be straight tube-shape, end liquid subassembly includes drip chamber seat, end liquid film and lower burette, drip chamber seat inside is equipped with the flowing back chamber with drip chamber body intercommunication, lower burette is located drip chamber seat below and communicates with the flowing back chamber, end the liquid film and be located the flowing back intracavity portion.
Further, an upper dropper is arranged in the middle of the dropper cover, a liquid medicine injection device is arranged on one side of the upper dropper, and the exhaust column and the dropper cover are integrally formed.
further, a detachable latex cap is mounted on the liquid medicine injection device.
Further, the drip chamber seat and the liquid stopping film are welded in a hot-sealing mode.
Furthermore, the longitudinal sections of the hydrophobic air filtering membrane and the positioning groove are both rectangular.
Furthermore, a rib plate for supporting the liquid stopping film is arranged in the liquid discharging cavity.
Furthermore, the gusset is equipped with a plurality ofly, and a plurality of gussets equipartition is in flowing back the intracavity.
further, the hydrophobic air filtering membrane is arranged back to the outer wall of the dropping funnel body.
In addition, the utility model also provides an automatic end liquid self-bleeding drip chamber's application method, including following step:
S1: inserting the bottle stopper puncture outfit into the infusion bottle, opening the flow stopping clamp, and making the liquid medicine flow into the dropping funnel body through the upper dropper;
S2: along with the continuous inflow of the liquid medicine, the gas in the dropping funnel body is forcibly pressed into the exhaust seat under the positive pressure effect and is exhausted out of the dropping funnel body along the exhaust column, so that the exhaust effect is achieved;
s3: when the hydrophobic air filtering membrane is completely covered by the liquid medicine, the gas in the dropping funnel body can not be exhausted to the outside through the exhaust seat, and at the moment, the liquid level in the dropping funnel body stops rising to automatically control the liquid level;
S4: the liquid medicine flows out of the dropper body along the lower dropper after passing through the liquid stopping film;
S5: when the liquid medicine in the infusion bottle is completely infused and the liquid level of the liquid medicine is positioned below the liquid stopping film, the liquid stopping film stops air from entering the lower dropper, and the liquid medicine below the liquid stopping film stops moving under the action of negative pressure, so that the liquid stopping effect is achieved.
Furthermore, when the infusion bottle is replaced, the hydrophobic air filtering membrane prevents the liquid medicine from entering and blocking the exhaust column, so that the smoothness of the exhaust assembly is ensured, and secondary exhaust is realized.
The utility model has the advantages that:
realize self-bleeding and secondary exhaust with the help of the exhaust subassembly, realize automatic and safe end liquid with the help of ending the liquid subassembly, simultaneously, drip chamber seat and end the hot shut of liquid membrane and form in order to realize seamless connection, prevent effectively that gas from passing, the drip chamber body is established to adopting the straight tube-shape of extruder extrusion molding, has improved production efficiency, is fit for mass production, and economic benefits is high.
drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic longitudinal sectional structure of the present invention;
FIG. 3 is a schematic longitudinal sectional view of the exhaust seat;
Fig. 4 is a schematic longitudinal sectional structure of the drip chamber base.
In the drawings: 1-a drip funnel cover, 2-a drip funnel body, 3-an exhaust assembly, 4-a liquid stopping assembly, 5-a liquid medicine injection device, 6-an upper dropper, 7-an exhaust column, 8-an exhaust seat, 9-a hydrophobic air filtering membrane, 10-a drip funnel seat, 11-a lower dropper, 12-a liquid stopping membrane, 13-an exhaust cavity, 14-a liquid discharging cavity and 15-a rib plate.
Detailed Description
in order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.
The first embodiment is as follows:
as shown in fig. 1-4, an automatic liquid stopping and automatic exhausting dropping funnel comprises a dropping funnel cover 1, a dropping funnel body 2, an exhausting component 3 and a liquid stopping component 4, wherein the dropping funnel cover 1 is located above the dropping funnel body 2 and used for dropping liquid medicine into the dropping funnel body 2, the exhausting component 3 is located inside the dropping funnel body 2 and used for exhausting gas inside the dropping funnel body 2, and the liquid stopping component 4 is located below the dropping funnel body 2 and used for exhausting liquid medicine inside the dropping funnel body 2 and has a liquid stopping function. In addition, the structure that the dropping funnel body 2 is different from conventional dropping funnels adopts straight tube-shape, and extrusion molding does benefit to and improves production efficiency.
specifically, an upper dropper 5 is arranged in the middle of the dropper cover 1, a liquid medicine injection device 6 is arranged on one side of the upper dropper, and a detachable latex cap is mounted on the liquid medicine injection device 6. Simultaneously, be equipped with the exhaust post 7 that extends to the internal portion of drip chamber body 2 on the drip chamber lid 1, and exhaust post 7 and drip chamber lid 1 integrated into one piece, it is equipped with the exhaust hole to correspond exhaust post 7 department on the drip chamber lid 1. Exhaust assembly 3 is including exhaust seat 8 and hydrophobic air filtration membrane 9, exhaust seat 8 is located drip chamber body 2 insidely, and the inside and exhaust seat 8 of exhaust seat 8 top embedding exhaust column 7 and the terminal interference fit of exhaust column 7, the inside exhaust chamber 13 that communicates with exhaust column 7 that is equipped with of exhaust seat 8 is equipped with the constant head tank that is used for holding hydrophobic air filtration membrane 9 on its lateral wall, and the constant head tank is used for pinpointing hydrophobic air filtration membrane 9's orientation, and simultaneously, hydrophobic air filtration membrane 9 is installed the outer wall of drip chamber body 2 back to. In this embodiment, the longitudinal sections of the hydrophobic air filtering membrane 9 and the positioning groove are both rectangular, wherein the size of the hydrophobic air filtering membrane 9 is 5mm × 8.5 mm.
End liquid subassembly 4 including drip chamber seat 10, end liquid film 12 and lower burette 11, drip chamber seat 10 inside be equipped with the liquid discharge chamber 14 of drip chamber body 2 intercommunication, lower burette 11 is located drip chamber seat 10 below and communicates with liquid discharge chamber 14, end liquid film 12 is located liquid discharge chamber 14 inside, simultaneously, drip chamber seat 10 inside is equipped with the heat sealing line, and drip chamber seat 10 forms with end liquid film 12 heat sealing welding, realizes seamless connection, effectively prevents that gas from passing, realizes the safe liquid that ends. In addition, a plurality of rib plates 15 for supporting the liquid stopping film 12 are arranged inside the liquid discharge cavity 14, and the plurality of rib plates 15 are uniformly distributed in the liquid discharge cavity 14, in this embodiment, the number of the rib plates 15 is 4.
A use method of an automatic liquid stopping and automatic air exhausting dropping funnel comprises the following steps:
the bottle stopper puncture outfit is inserted into an infusion bottle, the flow stopping clamp is opened, liquid medicine flows into the dropping funnel body 2 through the upper dropper 5, along with the continuous inflow of the liquid medicine, air in the dropping funnel body 2 is forcibly pressed into the exhaust seat 8 under the positive pressure effect and is discharged out of the dropping funnel body 2 along the exhaust column 7, and therefore the automatic exhaust effect is achieved. Along with the continuous inflow of the liquid medicine, when the hydrophobic air filtering membrane 9 is completely covered by the liquid medicine, the gas in the dropping funnel body 2 can not be discharged to the outside through the exhaust seat 8, and at the moment, the liquid level in the dropping funnel body 2 stops rising so as to realize the automatic control of the liquid level. Meanwhile, the liquid medicine flows out of the dropper body 2 along the lower dropper 11 after passing through the liquid stopping film 12, when the liquid medicine in the infusion bottle is infused and the liquid level of the liquid medicine is below the liquid stopping film 12, the liquid stopping film 12 can prevent air from entering the lower dropper 11, so that the liquid medicine below the liquid stopping film 12 is in a negative pressure environment, and at the moment, the liquid medicine below the liquid stopping film 12 stops moving, so that the automatic liquid stopping effect is achieved. When the infusion bottle is replaced, the hydrophobic air filtering membrane 9 prevents the liquid medicine from entering and blocking the exhaust column 7, so that the exhaust assembly 3 is ensured to be smooth, and secondary exhaust is realized.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (8)
1. An automatic liquid stopping and automatic air exhausting dropping funnel comprises a dropping funnel cover, a dropping funnel body, an air exhausting assembly and a liquid stopping assembly, wherein an air exhausting column extending to the inside of the dropping funnel body is arranged on the dropping funnel cover;
The drip chamber body is set to be straight tube-shape, end liquid subassembly includes drip chamber seat, end liquid film and lower burette, drip chamber seat inside is equipped with the flowing back chamber with drip chamber body intercommunication, lower burette is located drip chamber seat below and communicates with the flowing back chamber, end the liquid film and be located the flowing back intracavity portion.
2. The automatic liquid stopping and air exhausting dropping funnel according to claim 1, wherein an upper dropping tube is provided in the middle of the dropping funnel cover, a liquid medicine injection device is provided at one side of the upper dropping tube, and the air exhausting column is integrally formed with the dropping funnel cover.
3. The automatic liquid stopping and automatic air exhausting dropping funnel according to claim 2, wherein a detachable latex cap is mounted on the liquid medicine injection device.
4. The automatic liquid stopping and automatic air exhausting dropping funnel according to claim 1, wherein the dropping funnel base and the liquid stopping film are welded together by heat sealing.
5. The automatic liquid-stopping and automatic air-discharging dropping funnel according to claim 1, wherein the longitudinal sections of the hydrophobic air filtering membrane and the positioning groove are rectangular.
6. The automatic liquid stopping and automatic air exhausting dropping funnel according to claim 1, wherein a rib plate for supporting a liquid stopping film is arranged inside the liquid discharging cavity.
7. the automatic liquid stopping and automatic air exhausting dropping funnel according to claim 6, wherein the plurality of rib plates are uniformly distributed in the liquid discharging cavity.
8. The automatic liquid stopping and automatic air exhausting dropping funnel according to any one of claims 1 to 7, wherein the hydrophobic air filtering membrane is installed back to the outer wall of the dropping funnel body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616599.1U CN209770998U (en) | 2018-09-30 | 2018-09-30 | Automatic liquid-stopping and automatic-exhausting dropping funnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616599.1U CN209770998U (en) | 2018-09-30 | 2018-09-30 | Automatic liquid-stopping and automatic-exhausting dropping funnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209770998U true CN209770998U (en) | 2019-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616599.1U Active CN209770998U (en) | 2018-09-30 | 2018-09-30 | Automatic liquid-stopping and automatic-exhausting dropping funnel |
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| Country | Link |
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| CN (1) | CN209770998U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109010999A (en) * | 2018-09-30 | 2018-12-18 | 北京伏尔特技术有限公司 | A kind of automatic liquid-stopping is vented dropping funnel and its application method automatically |
-
2018
- 2018-09-30 CN CN201821616599.1U patent/CN209770998U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109010999A (en) * | 2018-09-30 | 2018-12-18 | 北京伏尔特技术有限公司 | A kind of automatic liquid-stopping is vented dropping funnel and its application method automatically |
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