CN215274979U - Dropping funnel for exhaust and liquid-stop infusion apparatus - Google Patents
Dropping funnel for exhaust and liquid-stop infusion apparatus Download PDFInfo
- Publication number
- CN215274979U CN215274979U CN202023005837.5U CN202023005837U CN215274979U CN 215274979 U CN215274979 U CN 215274979U CN 202023005837 U CN202023005837 U CN 202023005837U CN 215274979 U CN215274979 U CN 215274979U
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- dropping funnel
- liquid medicine
- lower cover
- air
- wall
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- 238000001802 infusion Methods 0.000 title claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 110
- 239000003814 drug Substances 0.000 claims abstract description 77
- 238000001914 filtration Methods 0.000 claims abstract description 57
- 239000012528 membrane Substances 0.000 claims abstract description 55
- 238000001990 intravenous administration Methods 0.000 claims abstract description 7
- 241001411320 Eriogonum inflatum Species 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 230000002209 hydrophobic effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 206010001526 Air embolism Diseases 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000006424 Flood reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000001467 acupuncture Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 210000004761 scalp Anatomy 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The utility model relates to a dropping funnel for an exhaust and liquid-stop infusion apparatus, wherein a bulge cavity is arranged on the end surface of the lower cover of the dropping funnel, a pipeline interface II is arranged on the bulge cavity, and a liquid medicine channel is arranged on the end surface in the bulge cavity; a circle of raised wall is arranged on the other end surface of the lower cover of the dropping funnel along the surface outside the liquid medicine channel, a raised air channel is arranged between the plane wall of the raised wall and the inner wall of the lower cover, an air filtering membrane is arranged on the inclined end surface of an air exhaust port of the raised air channel, and a liquid medicine filtering membrane is arranged on the surface of the liquid medicine channel in the raised wall; one end of the dropping funnel body is fixed with the upper cover of the dropping funnel, the other end of the dropping funnel body is fixed with the lower cover of the dropping funnel, the bottle plug puncture outfit is connected with a pipeline interface I of the upper cover of the dropping funnel through a transfusion pipeline, the intravenous transfusion needle is connected with the outer cone joint through a needle tube, and the outer cone joint passes through the transfusion pipeline and is connected with a pipeline interface II of the lower cover of the dropping funnel through a flow regulator. The automatic air exhaust and liquid stopping effects in the infusion process are realized through the air exhaust device and the liquid stopping device arranged on the lower cover of the dropping funnel.
Description
Technical Field
The utility model belongs to the field of medical appliances, concretely relates to dropping funnel for exhausting and stopping liquid transfusion system.
Background
The air entering below the dropping funnel of the prior common transfusion device can be discharged only at the joint of the scalp acupuncture and the transfusion tube, and the probability of air embolism, liquid medicine pollution and liquid medicine waste exists. When liquid medicine in a common infusion apparatus begins to enter the dropping funnel, a mixture of gas and the liquid medicine is easily formed, the gas-liquid mixture can rapidly enter an infusion pipeline below the dropping funnel, bubbles are formed during infusion, and the physical health of a patient is threatened, so that medical staff need to completely discharge the bubbles in an infusion catheter and then infuse the infusion catheter. The method generally adopts the steps that after a bottle stopper puncture outfit is punctured into a transfusion bottle stopper, a dropping funnel is inverted and extruded to enable liquid medicine to enter the dropping funnel, after the dropping funnel is filled with liquid with about half height, a flow regulator is regulated to restore the dropping funnel to a normal use state, even if the dropping funnel is filled with the liquid with about half height, bubbles are adsorbed on the tube wall below the dropping funnel, and the bubbles need to be pinched by fingers of medical personnel, so the operation method is complicated, and great inconvenience is brought to the medical personnel.
After the liquid medicine is infused, if the liquid medicine is not processed in time, air enters the pipeline, for example, the air enters the body of a patient, so that air embolism is formed, and the physical health of the patient is threatened. In order to avoid the situation, during the ordinary clinical transfusion, the patient and the medical staff need to pay attention to the remaining amount of the liquid medicine all the time, the workload of the nurse is increased, meanwhile, the patient is subjected to higher psychological pressure, the medical staff is frequently called when the remaining amount of the liquid medicine is more, doctor-patient disputes are easily caused, and the recovery of the patient and the normal medical care work are influenced.
In a word, the dropping funnel body and the dropping funnel lower cover of the infusion apparatus dropping funnel in the prior art are of an integrated structure, and the pipeline interface below the dropping funnel can be directly bonded with the infusion pipeline, so that the exhaust and liquid stopping functions can not be realized through the dropping funnel.
Disclosure of Invention
In view of the defects of the prior art, the utility model provides a dropping funnel of an exhaust liquid-stopping infusion apparatus, wherein the lower cover of the dropping funnel is provided with an exhaust device and a liquid-stopping device, the exhaust device comprises a raised air channel which is arranged at the side of the lower cover of the dropping funnel and the bottom of which is communicated with the inside of the dropping funnel, an air exhaust hole which is communicated with the outside atmosphere and a hydrophobic air filtering membrane which is arranged on the inclined plane of the air exhaust hole; the liquid stopping device is a liquid medicine filtering membrane which is arranged on the liquid medicine channel in the convex wall and is provided with hydrophilic air resistance; the air filtering membrane and the air exhaust hole can smoothly exhaust the air in the dropping funnel, and the liquid level in the dropping funnel keeps a certain height during transfusion; the liquid medicine filtering membrane in the liquid stopping device has high filtering rate and reliable liquid stopping performance.
The utility model adopts the technical proposal that: a dropping funnel for an exhaust and liquid stopping infusion apparatus comprises a bottle stopper puncture outfit, an infusion pipeline, a dropping funnel, a flow regulator, an outer cone joint and an intravenous infusion needle;
the dropping funnel comprises dropping funnel upper cover, dropping funnel body, the dropping funnel lower cover that has pipeline interface I, its characterized in that: also comprises an air filtering membrane and a liquid medicine filtering membrane;
the dropping funnel lower cover is oval, a bulge cavity is arranged on one end face of the dropping funnel lower cover, one side of the bulge cavity is a plane, the other side of the bulge cavity is an oval face, an air exhaust hole is formed in the cover face on one side of the plane, a pipeline connector II is arranged on the outer end face of the bulge cavity, a liquid medicine channel is arranged on the end face in the bulge cavity, and the liquid medicine channel and the bulge cavity are the same in shape;
the other end face of the lower cover of the dropping funnel is provided with a circle of lower cover outer wall and a circle of lower cover inner wall, a groove is arranged between the lower cover outer wall and the lower cover inner wall, a circle of convex wall is arranged on the face along the outer side of the liquid medicine channel, a convex air channel is arranged between the plane wall of the convex wall and the lower cover inner wall, an air filtering membrane is arranged on the inclined end face of an air exhaust port of the convex air channel, the air exhaust port is communicated with an air exhaust hole, and the face of the liquid medicine channel in the convex wall is provided with the liquid medicine filtering membrane;
one end of the dropping funnel body is bonded with the upper cover of the dropping funnel, and the other end of the dropping funnel body is inserted into the groove of the lower cover of the dropping funnel and bonded with the lower cover of the dropping funnel;
the bottle stopper puncture outfit is connected with a pipeline interface I of the dropping funnel upper cover through a transfusion pipeline, the intravenous transfusion needle is connected with the outer cone joint through a needle tube, and the outer cone joint passes through the transfusion pipeline to be connected with a pipeline interface II of the dropping funnel lower cover through a flow regulator.
The utility model has the advantages that: the utility model discloses a drip chamber body and drip chamber lower cover are components of a whole that can function independently structure, and the drip chamber body bonds with the drip chamber lower cover, realizes the effect of infusion in-process self-bleeding, ending liquid through exhaust apparatus and the end liquid device that the drip chamber lower cover set up.
The liquid medicine filtering membrane of the liquid stopping device is made of hydrophilic air blocking materials, can be a common liquid medicine filtering membrane with a filtering pore diameter of 15 mu m of the liquid medicine channel pore diameter according to clinical needs, and can also be a precise liquid medicine filtering membrane with a filtering pore diameter of 5 mu m of the liquid medicine channel pore diameter.
In the dropping funnel, air exhaust hole combines the back with air filtration membrane in the dropping funnel, formed one along the protruding air passage axial direction of exhaust through-hole towards the inclined plane of dropping funnel internal direction, when the liquid medicine gets into the dropping funnel, the air in the dropping funnel is through air filtration membrane, air exhaust hole, during air exhaust hole arranges external atmosphere, liquid medicine volume increase in the dropping funnel, the liquid level floods behind the air filtration membrane, because of air filtration membrane's hydrophobic effect, the liquid medicine can't continue to discharge through here, liquid level height keeps unchangeable, accomplish the liquid medicine and annotate the notes.
When the dropping funnel is filled with liquid medicine, because the surface of the air filtering membrane in the dropping funnel is an inclined surface, a smaller space is used in the dropping funnel space to set a larger exhaust area, and the exhaust efficiency is improved; during infusion, when no liquid medicine continuously enters the dropping funnel, the liquid level gradually descends, and the liquid medicine cannot stay under the action of gravity because the surface of the air filtering membrane in contact with the liquid medicine is an inclined plane, so that smoothness of the exhaust device when the dropping funnel is filled with the liquid medicine again is ensured, and the exhaust function is always effective.
When the liquid level in the dropping funnel drops to the liquid stopping device, the air in the dropping funnel cannot descend due to the hydrophilic air blocking function of the liquid medicine filtering membrane, and finally the liquid stopping effect is achieved.
Drip chamber lower cover liquid medicine passageway is the same with the shape in protruding chamber, and one end is the plane, and the other end is oval, is equipped with liquid medicine filtration membrane in the outer protruding wall of liquid medicine passageway, and liquid medicine filtration membrane one end is the plane, and the other end is oval face, and foretell structural design has increased liquid medicine filtration membrane's effective filtration area to avoid the liquid medicine to block up liquid medicine filtration membrane.
In a word, the infusion apparatus has simple and reasonable structure, the dropping funnel does not need to be inverted or extruded when in use, the operation is convenient, the air in the dropping funnel can be smoothly discharged by the air filtering membrane and the exhaust through hole, and the liquid level in the dropping funnel keeps a certain height when in infusion; the filtering rate of a liquid medicine filtering membrane in the liquid stopping device is high, and the liquid stopping performance is reliable; the whole infusion apparatus is convenient and safe to use. The infusion apparatus effectively guarantees the treatment effect, is beneficial to improving the nursing quality, is also beneficial to enhancing the trust of patients to nurses, promotes the harmonious development of the disease protection relationship, and has important clinical significance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of structure A of FIG. 1;
FIG. 3 is a side view of the lower cover of the dropping funnel of the present invention;
fig. 4 is a side view of the lower cover of the dropping funnel with the liquid medicine filtering membrane of the utility model.
Detailed Description
As shown in figures 1 to 4 of the drawings,
a dropping funnel for an exhaust and liquid stopping infusion apparatus comprises a bottle stopper puncture outfit 1, an infusion pipeline 2, a dropping funnel 3, a flow regulator 4, an external cone joint 5 and an intravenous infusion needle 6;
the dropping funnel 3 consists of a dropping funnel upper cover 3-1 with a pipeline interface I3-1-1, a dropping funnel body 3-2, a dropping funnel lower cover 3-3, an air filtering membrane 3-4 and a liquid medicine filtering membrane 3-5;
the dropping funnel lower cover 3-3 is a circular cover, a convex cavity 3-3-1 is arranged on one end face of the dropping funnel lower cover 3-3, one side of the convex cavity 3-3-1 is a plane, the other side of the convex cavity is an oval face, an air exhaust hole 3-3-2 is arranged on the cover face on one side of the plane, a pipeline interface II 3-3-3 is arranged on the outer end face of the convex cavity 3-3-1, a liquid medicine channel 3-3-4 is arranged on the inner end face of the convex cavity 3-3-1, and the liquid medicine channel 3-3-4 is the same as the convex cavity 3-3-1 in shape;
a circle of lower cover outer wall 3-3-5 and a circle of lower cover inner wall 3-3-6 are arranged on the other end face of the dropping funnel lower cover 3-3, a groove 3-3-7 is arranged between the lower cover outer wall 3-3-5 and the lower cover inner wall 3-3-6, a circle of convex wall 3-3-8 is arranged on the outer side face along the liquid medicine channel 3-3-4, a convex air channel 3-3-9 is arranged between the plane wall 3-3-8-1 of the convex wall 3-3-8 and the lower cover inner wall 3-3-6, an air filtering membrane 3-4 is arranged on the inclined plane outside the convex air channel 3-3-9-1 of the air exhaust port 3-3-9-1, the air exhaust port 3-3-9-1 is communicated with the air exhaust port 3-3-2, a liquid medicine filtering membrane 3-5 is arranged on the surface of the liquid medicine channel 3-3-4 in the convex wall 3-3-8;
one end of the dropping funnel body 3-2 is bonded with the upper cover 3-1 of the dropping funnel, and the other end of the dropping funnel body 3-2 is inserted into the groove 3-3-7 of the lower cover 3-3 of the dropping funnel and bonded with the lower cover 3-3 of the dropping funnel.
The bottle stopper puncture outfit 1 is connected with a pipeline interface I3-1-1 of a dropping funnel upper cover 3-1 through a transfusion pipeline 2, an intravenous transfusion needle 6 is connected with one end of an outer cone joint 5 through a needle tube, and the other end of the outer cone joint 5 penetrates through a flow regulator 4 through the transfusion pipeline 2 to be connected with a pipeline interface II 3-3-3 of a dropping funnel lower cover 3-1.
The fixing mode of the air filtering membrane 3-4 on the air exhaust port 3-3-9-1 and the liquid medicine filtering membrane 3-5 on the liquid medicine channel 3-3-4 is ultrasonic welding or heat sealing or bonding fixing.
The air filtering membranes 3-4 are made of hydrophobic materials.
One end of the liquid medicine filtering membrane 3-5 is a plane, the other end is an oval surface, and the liquid medicine filtering membrane 3-5 is made of hydrophilic air-blocking materials.
The using method comprises the following steps:
the flow regulator 4 is completely closed, the bottle stopper puncture outfit 1 is vertically punctured into the puncture area of the rubber stopper of the infusion bottle,
the dropping funnel 3 is not required to be extruded, the liquid medicine enters the dropping funnel 3, the liquid level submerges the air filtering membrane 3-4, the air in the hose is exhausted, the flow regulator 4 is regulated, and the dropping condition is watched until the proper speed is achieved.
When the liquid medicine advances below the liquid medicine filtering membrane 3-5, the automatic liquid stopping is realized through the air pressure principle.
After the automatic liquid stopping, the residual liquid medicine in the infusion apparatus can be completely infused by slightly squeezing the dropping funnel 3, so that the loss of the liquid medicine is avoided. Effectively ensuring the treatment effect, being beneficial to improving the nursing quality, being beneficial to enhancing the trust of patients to nurses, promoting the harmonious development of the disease protection relationship and having important clinical significance.
The principle is as follows:
the air filtering membrane 3-4 has extremely strong hydrophobicity and ultrahigh air permeability, and can facilitate the air in the dropping funnel 3 to be discharged and prevent the liquid medicine from leaking from the air exhaust hole 3-3-2.
The liquid medicine filtering membrane 3-5 is made of super-hydrophilic materials, when the liquid medicine is met, the membrane is instantly wetted, liquid is filled in membrane holes, and due to the fact that the membrane holes are extremely small (5-15 microns), the generated capillary phenomenon is very strong, and therefore upward attraction is generated on the liquid below the liquid medicine filtering membrane 3-5. When the infusion process is about to finish, the liquid level is lowered to the liquid medicine filtering membrane 3-5, the subsequent air is blocked by the liquid medicine filtering membrane 3-5 and cannot enter the lower pipeline, and the liquid in the lower pipeline reaches a balanced state under the self gravity, the atmospheric pressure, the human body venous pressure and the upward attraction generated by the liquid medicine filtering membrane 3-5, so that the automatic liquid stopping is realized.
Claims (3)
1. A dropping funnel for an exhaust and liquid-stopping infusion apparatus comprises a bottle stopper puncture outfit (1), an infusion pipeline (2), a dropping funnel (3), a flow regulator (4), an outer cone joint (5) and an intravenous infusion needle (6);
the dropping funnel (3) is composed of a dropping funnel upper cover (3-1) with a pipeline interface I (3-1-1), a dropping funnel body (3-2) and a dropping funnel lower cover (3-3), and is characterized in that: also comprises an air filtering membrane (3-4) and a liquid medicine filtering membrane (3-5);
the dropping funnel lower cover (3-3) is oval, a convex cavity (3-3-1) is arranged on one end face of the dropping funnel lower cover (3-3), one side of the convex cavity (3-3-1) is a plane, the other side of the convex cavity is an oval face, an air exhaust hole (3-3-2) is arranged on the cover face on one side of the plane, a pipeline interface II (3-3-3) is arranged on the outer end face of the convex cavity (3-3-1), a liquid medicine channel (3-3-4) is arranged on the inner end face of the convex cavity (3-3-1), and the liquid medicine channel (3-3-4) and the convex cavity (3-3-1) are identical in shape;
a circle of lower cover outer wall (3-3-5) and a circle of lower cover inner wall (3-3-6) are arranged on the other end face of the dropping funnel lower cover (3-3), a groove (3-3-7) is arranged between the lower cover outer wall (3-3-5) and the lower cover inner wall (3-3-6), a circle of convex wall (3-3-8) is arranged on the face along the outer side of the liquid medicine channel (3-3-4), a convex air channel (3-3-9) is arranged between the plane wall (3-3-8-1) of the convex wall (3-3-8) and the lower cover inner wall (3-3-6), a layer of air filtering membrane (3-4) is arranged on the inclined end face of the air exhaust port (3-3-9-1) of the convex air channel (3-3-9), the air exhaust port (3-3-9-1) is communicated with the air exhaust hole (3-3-2), and a liquid medicine filtering membrane (3-5) is arranged on the surface of the liquid medicine channel (3-3-4) in the convex wall (3-3-8);
one end of the dropping funnel body (3-2) is bonded with the upper dropping funnel cover (3-1), and the other end of the dropping funnel body (3-2) is inserted into the groove (3-3-7) of the lower dropping funnel cover (3-3) and bonded with the lower dropping funnel cover (3-3);
the bottle stopper puncture outfit (1) is connected with a pipeline interface I (3-1-1) of a dropping funnel upper cover (3-1) through a transfusion pipeline (2), an intravenous transfusion needle (6) is connected with an outer cone joint (5) through a needle tube, and the outer cone joint (5) penetrates through a flow regulator (4) through the transfusion pipeline (2) to be connected with a dropping funnel lower cover (3-3) and a pipeline interface II (3-3-3).
2. The drip chamber for an exhaust and liquid-stop infusion set according to claim 1, characterized in that: the air filtering membranes (3-4) are made of hydrophobic materials.
3. The drip chamber for an exhaust and liquid-stop infusion set according to claim 1, characterized in that: one end of the liquid medicine filtering membrane (3-5) is a plane, the other end of the liquid medicine filtering membrane is an oval surface, and the liquid medicine filtering membrane (3-5) is made of hydrophilic air-blocking materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005837.5U CN215274979U (en) | 2020-12-15 | 2020-12-15 | Dropping funnel for exhaust and liquid-stop infusion apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023005837.5U CN215274979U (en) | 2020-12-15 | 2020-12-15 | Dropping funnel for exhaust and liquid-stop infusion apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215274979U true CN215274979U (en) | 2021-12-24 |
Family
ID=79513399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023005837.5U Expired - Fee Related CN215274979U (en) | 2020-12-15 | 2020-12-15 | Dropping funnel for exhaust and liquid-stop infusion apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215274979U (en) |
-
2020
- 2020-12-15 CN CN202023005837.5U patent/CN215274979U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211224 |