CN214260231U - Infusion device capable of preventing countercurrent - Google Patents
Infusion device capable of preventing countercurrent Download PDFInfo
- Publication number
- CN214260231U CN214260231U CN202022433409.6U CN202022433409U CN214260231U CN 214260231 U CN214260231 U CN 214260231U CN 202022433409 U CN202022433409 U CN 202022433409U CN 214260231 U CN214260231 U CN 214260231U
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- China
- Prior art keywords
- infusion
- top end
- pressure accumulation
- connecting pipe
- hole
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- Expired - Fee Related
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- 238000001802 infusion Methods 0.000 title claims abstract description 77
- 239000007788 liquid Substances 0.000 claims abstract description 61
- 238000009825 accumulation Methods 0.000 claims abstract description 53
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 4
- 230000000151 anti-reflux effect Effects 0.000 claims 4
- 239000003814 drug Substances 0.000 description 23
- 239000008280 blood Substances 0.000 description 19
- 210000004369 blood Anatomy 0.000 description 19
- 230000000694 effects Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000003978 infusion fluid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a prevent infusion set against current, including the transfer line, be provided with on the transfer line and hold the liquid cavity, hold liquid cavity below and be provided with the infusion switch that is used for controlling transfer line infusion rate, infusion switch cup joints in the transfer line outside, transfer line lower extreme one side is provided with pressure accumulation casing and transfer line and pressure accumulation casing are linked together, pressure accumulation casing top one side is provided with the feed liquor hole and transfer line between through the first connecting pipe, is provided with first check valve in the first connecting pipe, pressure accumulation casing top is provided with exhaust hole and inlet port that can control to the open state; a second one-way valve is arranged in the air inlet, a liquid outlet is formed in the bottom end of the pressure accumulation shell, the liquid outlet is communicated with the infusion tube through a second connecting tube, and a third one-way valve is arranged in the second connecting tube.
Description
Technical Field
The utility model relates to the field of medical treatment, especially, relate to an infusion set who prevents against current.
Background
The infusion tube is widely applied to the slow infusion treatment or operation process of a patient, and the conventional common infusion tube is often subjected to the blood backflow phenomenon, namely the blood backflow phenomenon, due to the fact that a transfusion bottle is not replaced or a needle is not pulled out in time after liquid delivery is finished. At present when taking place back blood phenomenon, generally extrude the transfer line by medical personnel and make remaining liquid in the transfer line enter into holding the liquid cavity to mix with next bottle of liquid medicine liquid, this operation is wasted time and energy, and the infusion operation for medical personnel has brought the inconvenience, and when the back blood phenomenon appears when the infusion is accomplished, can only give up the part of drawing blood, directly pulls out the needle operation, makes the patient lose the blood of the part of drawing blood, causes certain influence for patient's health.
Disclosure of Invention
The utility model aims at the above problem and provides a transfusion device which has simple structure and convenient use and can prevent the reverse flow.
In order to realize the purpose, the technical scheme of the utility model is that:
a transfusion device for preventing countercurrent comprises a transfusion tube, wherein a liquid storage cavity is arranged on the transfusion tube, a transfusion switch for controlling the transfusion speed of the transfusion tube is arranged below the liquid storage cavity, the transfusion switch is sleeved outside the transfusion tube, a pressure accumulation shell is arranged on one side of the lower end of the transfusion tube, the transfusion tube is communicated with the pressure accumulation shell, a liquid inlet hole is formed in one side of the top end of the pressure accumulation shell, the liquid inlet hole is communicated with the transfusion tube through a first connecting tube, a first check valve is arranged in the first connecting tube, and an exhaust hole and an air inlet hole which can be controlled in an open state are formed in the top end of the pressure accumulation shell; a second one-way valve is arranged in the air inlet, a liquid outlet is formed in the bottom end of the pressure accumulation shell, the liquid outlet is communicated with the infusion tube through a second connecting tube, and a third one-way valve is arranged in the second connecting tube.
Furthermore, the pressure accumulation shell and the infusion tube are made of the same material and are integrally formed.
Furthermore, a third connecting pipe is integrally formed at the top end of the pressure accumulation shell, the bottom end of the third connecting pipe is communicated with the top end of the pressure accumulation shell, an exhaust hole is formed in the top end of the third connecting pipe, the exhaust hole is eccentrically arranged at the top end of the third connecting pipe, a first rubber sleeve is sleeved on the outer side of the top end of the third connecting pipe, and a first through hole is formed in the top end of the first rubber sleeve; the first through hole is arranged corresponding to the exhaust hole.
Further, a fourth connecting pipe is integrally formed at the top end of the pressure accumulating shell, the bottom end of the fourth connecting pipe is communicated with the top end of the pressure accumulating shell, a second one-way valve is arranged in the fourth connecting pipe, an air inlet is formed at the top end of the fourth connecting pipe, the air inlet is eccentrically arranged at the top end of the fourth connecting pipe, a second rubber sleeve is sleeved on the outer side of the top end of the fourth connecting pipe, and a second through hole is formed at the top end of the second rubber sleeve; the second through hole is arranged corresponding to the air inlet hole.
Furthermore, the infusion switch is arranged on the outer side of the infusion tube between the first connecting tube and the second connecting tube.
Compared with the prior art, the utility model has the advantages and positive effect be:
when the infusion operation is carried out, firstly, the exhaust hole at the top end of the pressure accumulation shell is opened, liquid medicine can enter the pressure accumulation shell from the liquid inlet hole, the exhaust hole is closed after a certain amount of liquid medicine is stored in the pressure accumulation shell, the infusion operation is carried out through the infusion needle at the bottom end of the infusion tube, after the blood return phenomenon occurs, the height of the liquid medicine remained in the infusion tube is higher than that of the liquid outlet hole at the bottom end of the pressure accumulation shell, the pressure accumulation shell is pressed, the liquid medicine in the pressure accumulation shell flows into the infusion tube from the liquid outlet hole, so that the height of the liquid medicine in the infusion tube is quickly raised to reach the height of the liquid accumulation cavity, the combination with the next bottle of infusion liquid is realized, the operation is simple, convenient and quick, and the convenience is brought to the infusion operation of medical care personnel;
on the other hand, when the phenomenon of blood return appears when the infusion is finished, the infusion tube is controlled to be in a closed state by using the infusion switch, then the pressure accumulating shell is pressed, the liquid medicine in the pressure accumulating shell flows into the infusion tube from the liquid outlet hole, so that the liquid medicine and the blood of the blood return part flow into the body of a patient, after the liquid medicine in the pressure accumulating shell is completely infused, the pressure accumulating shell is loosened, the pressure accumulating shell recovers under the action of elasticity and sucks air from the air inlet hole in the recovery process, the pressure accumulating shell is continuously pressed, so that the blood return part completely flows into the body of the patient, the condition of blood loss of the patient is avoided, and the promotion effect is realized on the body recovery of the patient.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional structural view of the pressure accumulation housing;
in the figure: 1. a transfusion tube; 2. a pressure accumulation housing; 3. a transfusion switch; 4. a first check valve; 5. a second one-way valve; 6. a third check valve; 7. a first rubber sleeve; 8. a second rubber sleeve; 101. a reservoir chamber; 201. an exhaust hole; an air intake hole 202; 203. a liquid inlet hole; 204. a liquid outlet hole; 205. a third connecting pipe; 206. a fourth connecting pipe; 207. a first connecting pipe; 208. a second connecting pipe; 701. a first through via; 801. the second through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, any modifications, equivalent replacements, improvements, etc. made by other embodiments obtained by a person of ordinary skill in the art without creative efforts shall be included in the protection scope of the present invention.
As shown in fig. 1 and 2, an infusion device for preventing backflow comprises an infusion tube 1, wherein an infusion tube 1 is provided with a liquid storage cavity 101, an infusion switch 3 for controlling the infusion rate of the infusion tube 1 is arranged below the liquid storage cavity 101, the infusion switch 3 is sleeved outside the infusion tube 1, one side of the lower end of the infusion tube 1 is provided with a pressure accumulation shell 2, the infusion tube 1 is communicated with the pressure accumulation shell 2, the pressure accumulation shell 2 and the infusion tube 1 are made of the same material, and the pressure accumulation shell 2 and the infusion tube 1 are integrally formed;
a liquid inlet hole 203 is formed in one side of the top end of the pressure accumulating shell 2, the liquid inlet hole 203 is communicated with the infusion tube 1 through a first connecting tube 207, a first one-way valve 4 is arranged in the first connecting tube 207, the first one-way valve 4 enables liquid medicine to flow into the pressure accumulating shell 2 only from the infusion tube 1, and an exhaust hole 201 and an air inlet hole 202 which can be controlled in an open state are formed in the top end of the pressure accumulating shell 2; a second one-way valve 5 is arranged in the air inlet 202, the second one-way valve 5 enables outside air to enter the pressure accumulating shell 2 in a one-way mode, a liquid outlet hole 204 is formed in the bottom end of the pressure accumulating shell 2, the liquid outlet hole 204 is communicated with the infusion tube 1 through a second connecting tube 208, and a third one-way valve 6 is arranged in the second connecting tube 208. The third check valve 6 can only make the liquid medicine in the pressure accumulation shell 2 flow into the infusion tube 1, and the infusion switch 3 is arranged at the outer side of the infusion tube 1 between the first connecting tube 207 and the second connecting tube 208.
The pressure accumulation shell in the utility model is similar to a press type inflating device in the prior art, and can carry out a plurality of times of press inflation operations through the elastic recovery action of the pressure accumulation shell, so that the liquid medicine entering the pressure accumulation shell enters the infusion tube, and the height of the liquid medicine in the infusion tube is improved;
a third connecting pipe 205 is integrally formed at the top end of the pressure accumulating shell 2, the bottom end of the third connecting pipe 205 is communicated with the top end of the pressure accumulating shell 2, an exhaust hole 201 is formed at the top end of the third connecting pipe 205, the exhaust hole 201 is eccentrically arranged at the top end of the third connecting pipe 205, a first rubber sleeve 7 is sleeved at the outer side of the top end of the third connecting pipe 205, and a first through hole 701 is formed at the top end of the first rubber sleeve 7; the first through hole 701 is disposed corresponding to the exhaust hole 201.
Exhaust effect when the exhaust hole mainly used pressure accumulation casing advances the liquid medicine, can seal it after advancing the liquid medicine, when opening the operation, only need rotate first rubber sleeve make first through-hole corresponding with the exhaust hole can, when closing the operation, only need rotate first rubber sleeve make first through-hole stagger with the exhaust hole can, cup joint the design in the connecting pipe outside through the rubber sleeve simultaneously and make and opening, only need rotate the rubber sleeve when closing the operation, need not take off the rubber sleeve, make the rubber sleeve difficult for losing, improved the utility model discloses an excellent in use effect.
A fourth connecting pipe 206 is integrally formed at the top end of the pressure accumulation shell 2, the bottom end of the fourth connecting pipe 206 is communicated with the top end of the pressure accumulation shell 2, a second one-way valve 5 is arranged in the fourth connecting pipe 206, an air inlet 202 is arranged at the top end of the fourth connecting pipe 206, the air inlet 202 is eccentrically arranged at the top end of the fourth connecting pipe 206, a second rubber sleeve 8 is sleeved at the outer side of the top end of the fourth connecting pipe 206, and a second through hole 801 is arranged at the top end of the second rubber sleeve 8; the second through hole 801 is disposed corresponding to the air intake hole 202.
The inlet port mainly used can make the outside air get into when pressing the back and resuming at the pressure accumulation casing, makes things convenient for the pressure accumulation casing to carry out the operation of pressing down many times, in order to avoid when not using the inlet port material such as dust to enter into the pressure accumulation casing from the inlet port, has set up the second rubber sleeve unanimous with the exhaust hole in inlet port department, and it can run through the position of through-hole and inlet port through the second and realize the state of opening of inlet port, has further improved the utility model discloses an excellent in use effect.
When the infusion operation is carried out, firstly, the exhaust hole at the top end of the pressure accumulation shell is opened, liquid medicine can enter the pressure accumulation shell from the liquid inlet hole, the exhaust hole is closed after a certain amount of liquid medicine is stored in the pressure accumulation shell, the infusion operation is carried out through the infusion needle at the bottom end of the infusion tube, after the blood return phenomenon occurs, the height of the liquid medicine remained in the infusion tube is higher than that of the liquid outlet hole at the bottom end of the pressure accumulation shell, the pressure accumulation shell is pressed, the liquid medicine in the pressure accumulation shell flows into the infusion tube from the liquid outlet hole, so that the height of the liquid medicine in the infusion tube is quickly raised to reach the height of the liquid accumulation cavity, the combination with the next bottle of infusion liquid is realized, the operation is simple, convenient and quick, and the convenience is brought to the infusion operation of medical care personnel;
on the other hand, when the phenomenon of blood return appears when the infusion is finished, the infusion tube is controlled to be in a closed state by using the infusion switch, then the pressure accumulating shell is pressed, the liquid medicine in the pressure accumulating shell flows into the infusion tube from the liquid outlet hole, so that the liquid medicine and the blood of the blood return part flow into the body of a patient, after the liquid medicine in the pressure accumulating shell is completely infused, the pressure accumulating shell is loosened, the pressure accumulating shell recovers under the action of elasticity and sucks air from the air inlet hole in the recovery process, the pressure accumulating shell is continuously pressed, so that the blood return part completely flows into the body of the patient, the condition of blood loss of the patient is avoided, and the promotion effect is realized on the body recovery of the patient.
Claims (5)
1. The utility model provides a prevent infusion set against current, includes transfer line (1), is provided with on transfer line (1) and holds liquid cavity (101), holds liquid cavity (101) below and is provided with infusion switch (3) that are used for carrying out control to transfer line infusion rate, and infusion switch (3) cup joint in the transfer line (1) outside, its characterized in that: a pressure accumulation shell (2) is arranged on one side of the lower end of the infusion tube (1), the infusion tube (1) is communicated with the pressure accumulation shell (2), a liquid inlet hole (203) is formed in one side of the top end of the pressure accumulation shell (2), the liquid inlet hole (203) is communicated with the infusion tube (1) through a first connecting tube (207), a first one-way valve (4) is arranged in the first connecting tube (207), and an exhaust hole (201) and an air inlet hole (202) which can be controlled in an open state are formed in the top end of the pressure accumulation shell (2); a second one-way valve (5) is arranged in the air inlet hole (202), a liquid outlet hole (204) is formed in the bottom end of the pressure accumulating shell (2), the liquid outlet hole (204) is communicated with the infusion tube (1) through a second connecting tube (208), and a third one-way valve (6) is arranged in the second connecting tube (208).
2. The anti-reflux infusion device as set forth in claim 1, wherein: the pressure accumulation shell (2) and the infusion tube (1) are made of the same material, and the pressure accumulation shell (2) and the infusion tube (1) are integrally formed.
3. The anti-reflux infusion device as set forth in claim 2, wherein: a third connecting pipe (205) is integrally formed at the top end of the pressure accumulation shell (2), the bottom end of the third connecting pipe (205) is communicated with the top end of the pressure accumulation shell (2), an exhaust hole (201) is formed at the top end of the third connecting pipe (205), the exhaust hole (201) is eccentrically arranged at the top end of the third connecting pipe (205), a first rubber sleeve (7) is sleeved at the outer side of the top end of the third connecting pipe (205), and a first through hole (701) is formed at the top end of the first rubber sleeve (7); the first through hole (701) is arranged corresponding to the exhaust hole (201).
4. The anti-reflux infusion device as set forth in claim 3, wherein: a fourth connecting pipe (206) is integrally formed at the top end of the pressure accumulation shell (2), the bottom end of the fourth connecting pipe (206) is communicated with the top end of the pressure accumulation shell (2), a second one-way valve (5) is arranged in the fourth connecting pipe (206), an air inlet hole (202) is formed at the top end of the fourth connecting pipe (206), the air inlet hole (202) is eccentrically arranged at the top end of the fourth connecting pipe (206), a second rubber sleeve (8) is sleeved at the outer side of the top end of the fourth connecting pipe (206), and a second through hole (801) is formed at the top end of the second rubber sleeve (8); the second through hole (801) is arranged corresponding to the air inlet hole (202).
5. The anti-reflux infusion device as set forth in claim 4, wherein: the infusion switch (3) is arranged on the outer side of the infusion tube between the first connecting tube (207) and the second connecting tube (208).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022433409.6U CN214260231U (en) | 2020-10-28 | 2020-10-28 | Infusion device capable of preventing countercurrent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022433409.6U CN214260231U (en) | 2020-10-28 | 2020-10-28 | Infusion device capable of preventing countercurrent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214260231U true CN214260231U (en) | 2021-09-24 |
Family
ID=77772943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022433409.6U Expired - Fee Related CN214260231U (en) | 2020-10-28 | 2020-10-28 | Infusion device capable of preventing countercurrent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214260231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146240A (en) * | 2021-11-24 | 2022-03-08 | 周美兰 | Peritoneal dialysis connection instrument for nephrology department and peritoneal dialysis connection method |
-
2020
- 2020-10-28 CN CN202022433409.6U patent/CN214260231U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114146240A (en) * | 2021-11-24 | 2022-03-08 | 周美兰 | Peritoneal dialysis connection instrument for nephrology department and peritoneal dialysis connection method |
| CN114146240B (en) * | 2021-11-24 | 2023-12-12 | 大连医科大学附属第二医院 | Peritoneal dialysis connecting instrument for kidney internal medicine |
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Legal Events
| 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: 20210924 |