CN215961532U - Anti-backflow infusion apparatus device - Google Patents
Anti-backflow infusion apparatus device Download PDFInfo
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- CN215961532U CN215961532U CN202122408454.0U CN202122408454U CN215961532U CN 215961532 U CN215961532 U CN 215961532U CN 202122408454 U CN202122408454 U CN 202122408454U CN 215961532 U CN215961532 U CN 215961532U
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- reflux
- infusion
- component
- connecting pipe
- backflow
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Abstract
The utility model discloses an anti-reflux infusion apparatus device, which comprises an infusion bottle, wherein the bottom end of the infusion bottle is connected with a needle through a connecting pipe, the surface of the connecting pipe is provided with a regulator for regulating the flow rate of liquid medicine, the anti-reflux infusion apparatus device further comprises a first anti-reflux component and a second anti-reflux component, the first anti-reflux component is used for preventing liquid medicine from flowing backwards, the first anti-reflux component is positioned between the infusion bottle and the regulator, the second anti-reflux component is used for preventing blood from flowing backwards, the second anti-reflux component is positioned between the regulator and the needle, and the second anti-reflux component is arranged close to the needle. The anti-reflux effect is further improved.
Description
Technical Field
The utility model relates to the field of infusion sets, in particular to an anti-backflow infusion set device.
Background
The infusion apparatus is a common medical consumable, and a channel between a vein and liquid medicine is established through aseptic treatment for intravenous infusion. Generally, the infusion apparatus is formed by connecting eight parts, namely a vein needle or an injection needle, a needle head protective cap, an infusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like, and a part of the infusion apparatus also comprises an injection piece, a medicine adding port and the like.
However, the existing infusion apparatus needs patients or medical staff to frequently observe the infusion apparatus in the using process, the problem of blood backflow caused by the fact that liquid medicine is completely infused is avoided, although the infusion apparatus for preventing blood backflow appears on the market, the anti-backflow effect is poor, the existing requirement is not met, and the anti-backflow infusion apparatus device is provided for solving the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-backflow infusion set device to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
an anti-reflux infusion apparatus device comprises an infusion bottle, wherein the bottom end of the infusion bottle is connected with a needle through a connecting pipe, the surface of the connecting pipe is provided with a regulator for regulating the flow rate of a liquid medicine, and the anti-reflux infusion apparatus device further comprises a first anti-reflux component and a second anti-reflux component;
the first anti-backflow component is used for preventing liquid medicine from flowing backwards, and is positioned between the infusion bottle and the regulator;
the second anti-reflux component is used for preventing blood from flowing backwards, is located between the regulator and the needle head and is arranged close to the needle head.
As a further scheme of the utility model: the infusion bottle, the connecting pipe, the first anti-reflux component, the second anti-reflux component and the needle head are communicated with each other through the connecting pipe.
As a further scheme of the utility model: first anti palirrhea subassembly includes the stock solution chamber that the lower extreme all communicates with the connecting pipe, the intermediate position in stock solution chamber is equipped with the infusion passageway, the inside in stock solution chamber is located the top of infusion passageway and is equipped with the floater, the bottom of floater be equipped with infusion passageway assorted end cap, just the bottom mounting of end cap has the connecting rod, the lower extreme of connecting rod passes the infusion passageway and is fixed with the slider, the slider with the inner wall sliding connection in stock solution chamber.
As a further scheme of the utility model: the second is resisted palirrhea subassembly and is included the chamber of being connected of upper and lower extreme all with the connecting pipe intercommunication, the inside top of connecting the chamber is located the both sides of connecting pipe and is fixed with the lamella that is used for preventing the refluence, and two sets of the both sides of lamella all are equipped with the bottom that is used for driving two sets of lamellas and support the pressure mechanism that presses each other.
As a further scheme of the utility model: the abutting mechanism comprises sleeves located on two sides of the inner wall of the connecting cavity, moving rods are inserted into one ends, close to the petals, of the sleeves, the moving rods are connected with the sleeves in a sliding mode, one ends of the moving rods are fixedly connected with the petals, springs are fixed to the other ends of the moving rods, and the other ends of the springs are fixedly connected with the inner wall of the moving rods.
As a further scheme of the utility model: the shape of each valve is an inward-concave arc.
As a still further scheme of the utility model: and a sealing ring for increasing the sealing property between the infusion channel and the plug is arranged on the inner wall of the infusion channel.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the first anti-reflux component is arranged, and the plug and the infusion channel are arranged, so that the infusion channel can be plugged by the plug after the infusion is finished, thereby avoiding the air from entering and playing the anti-reflux effect.
According to the utility model, the second anti-reflux component is arranged, after the liquid medicine enters the connecting cavity, the two groups of membrane valves are extruded to enable the two groups of membrane valves to be in the open state, at the moment, the spring is compressed, the liquid medicine can circulate, and when no liquid medicine enters, the two groups of membrane valves are in the closed state under the action of the spring, so that the purpose of preventing blood from flowing backwards is achieved, and the anti-reflux effect is further improved.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of a first anti-reflux module according to the present invention.
Fig. 3 is a schematic structural view of a second anti-reflux module according to the present invention.
FIG. 4 is a schematic cross-sectional view of a slider according to the present invention.
Wherein: 1. an infusion bottle; 2. a connecting pipe; 3. a first anti-reflux assembly; 4. a regulator; 5. a needle head; 6. a second anti-reflux component; 7. a connecting cavity; 8. a flap; 9. a sleeve; 10. a travel bar; 11. a spring; 12. a liquid storage cavity; 13. a fluid infusion channel; 14. a floating ball; 15. a plug; 16. a slider; 17. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, in the embodiment of the present invention, an anti-reflux infusion apparatus includes an infusion bottle 1, a needle 5 is connected to a bottom end of the infusion bottle 1 through a connection tube 2, and a regulator 4 for regulating a flow rate of a liquid medicine is disposed on a surface of the connection tube 2, and further includes a first anti-reflux component 3 and a second anti-reflux component 6;
the first anti-backflow component 3 is used for preventing liquid medicine from flowing backwards, and the first anti-backflow component 3 is positioned between the infusion bottle 1 and the regulator 4;
the anti palirrhea subassembly 6 of second for prevent the blood refluence, further improved anti palirrhea effect, the anti palirrhea subassembly 6 of second is located between regulator 4 and the syringe needle 5, just the anti palirrhea subassembly 6 of second is close to syringe needle 5 and sets up, when blood refluence, because the anti palirrhea subassembly 6 of second is close to syringe needle 5 and sets up, blood refluence distance is short, and the refluence volume is few, reduces blood flow pollution probability.
The first anti-reflux component 3 comprises a liquid storage cavity 12 with the upper end and the lower end communicated with the connecting pipe 2, a liquid conveying channel 13 is arranged at the middle position of the liquid storage cavity 12, a floating ball 14 is arranged above the liquid conveying channel 13 in the liquid storage cavity 12, a plug 15 matched with the liquid conveying channel 13 is arranged at the bottom end of the floating ball 14, a connecting rod is fixed at the bottom end of the plug 15, a sliding block 16 is fixed at the lower end of the connecting rod after penetrating through the liquid conveying channel 13, the sliding block 16 is in sliding connection with the inner wall of the liquid storage cavity 12, the connecting rod and the sliding block 16 are arranged, so that the plug 15 and the liquid conveying channel 13 can be always in the same straight line, when in use, liquid medicine enters the liquid storage cavity 12 through the connecting pipe 2, under the action of buoyancy, the floating ball 14 can drive the plug 15 to ascend, so that the liquid medicine can flow out through the liquid conveying channel 13, when the liquid medicine in the liquid storage cavity 12 is less, buoyancy is not enough to drive the floating ball 14 to float, and at the moment, the plug 15 descends under the action of gravity and plugs the infusion channel 13, so that air is prevented from entering, and the anti-reflux effect is achieved.
The anti palirrhea subassembly 6 of second includes the chamber 7 of being connected that the lower extreme all communicates with connecting pipe 2, the inside top that connects chamber 7 is located the both sides of connecting pipe 2 and is fixed with the lamella 8 that is used for preventing the refluence, and two sets of the both sides of lamella 8 all are equipped with the bottom that is used for driving two sets of lamella 8 and support the pressure mechanism of pressing each other, during the use, when the liquid medicine passes through connecting pipe 2 entering connecting chamber 7 insidely, under the effect of pressure, can make two sets of lamella 8 separation for two sets of lamella 8 are the open mode, and the liquid medicine can circulate, and when not having the liquid medicine to enter, make two sets of lamella 8 be the closed condition through supporting the pressure mechanism, thereby reach the purpose that prevents blood refluence.
The abutting mechanism comprises sleeves 9 located on two sides of the inner wall of the connecting cavity 7, moving rods 10 are inserted into one ends, close to the membrane flaps 8, of the sleeves 9, the moving rods 10 are connected with the sleeves 9 in a sliding mode, one ends of the moving rods 10 are fixedly connected with the membrane flaps 8, springs 11 are fixed to the other ends of the moving rods 10, the other ends of the springs 11 are fixedly connected with the inner wall of the moving rods 10, when the abutting mechanism is used, when the two sets of membrane flaps 8 are in an open state, the springs 11 are compressed at the moment, when no liquid medicine enters, the two sets of membrane flaps 8 are in a closed state under the action of the springs 11, and therefore the purpose of preventing blood backflow is achieved.
The shape of each of the petals 8 is an inward-concave arc shape, and the arc shape is arranged, so that the closing effect of the two groups of petals 8 can be further improved after the arc surfaces of the two petals 8 are squeezed by blood when blood returns.
Example 2
Referring to fig. 1-4, the difference from embodiment 1 is: the inner wall of the infusion channel 13 is provided with the sealing ring 17 for increasing the sealing property between the infusion channel 13 and the plug 15, so that the sealing property between the infusion channel 13 and the plug 15 can be increased, air is further prevented from entering, the occurrence of blood backflow accidents is avoided, and the safety is improved.
The working principle of the utility model is as follows:
when the anti-backflow device is used, liquid medicine enters the liquid storage cavity 12 through the connecting pipe 2, the floating ball 14 can drive the plug 15 to ascend under the action of buoyancy, so that the liquid medicine can flow out through the liquid conveying channel 13, when the liquid medicine in the liquid storage cavity 12 is less, the buoyancy is insufficient to drive the floating ball 14 to float, at the moment, the plug 15 can descend and plug the liquid conveying channel 13 under the action of gravity, air is prevented from entering, the anti-backflow effect is achieved, when the liquid medicine enters the connecting cavity 7 through the connecting pipe 2, the two groups of membrane flaps 8 can be separated under the action of pressure, the two groups of membrane flaps 8 are in an open state, at the moment, the spring 11 is compressed, the liquid medicine can circulate, and when no liquid medicine enters, the two groups of membrane flaps 8 are in a closed state under the action of the spring 11, so that the aim of preventing blood backflow is achieved.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (7)
1. An anti-reflux infusion apparatus comprises an infusion bottle (1), wherein the bottom end of the infusion bottle (1) is connected with a needle head (5) through a connecting pipe (2), and the surface of the connecting pipe (2) is provided with a regulator (4) for regulating the flow rate of liquid medicine, and is characterized by further comprising a first anti-reflux component (3) and a second anti-reflux component (6);
the first anti-backflow component (3) is used for preventing liquid medicine from flowing backwards, and the first anti-backflow component (3) is positioned between the infusion bottle (1) and the regulator (4);
the second anti-reflux component (6) is used for preventing blood from flowing backwards, the second anti-reflux component (6) is located between the regulator (4) and the needle head (5), and the second anti-reflux component (6) is arranged close to the needle head (5).
2. The anti-reflux infusion set device according to claim 1, wherein the infusion bottle (1), the connecting pipe (2), the first anti-reflux component (3), the second anti-reflux component (6) and the needle (5) are communicated with each other through the connecting pipe (2).
3. The anti-reflux infusion apparatus device according to claim 1, wherein the first anti-reflux component (3) comprises a liquid storage cavity (12) with upper and lower ends communicated with the connecting pipe (2), a liquid delivery channel (13) is arranged in the middle of the liquid storage cavity (12), a floating ball (14) is arranged in the liquid storage cavity (12) and above the liquid delivery channel (13), a plug (15) matched with the liquid delivery channel (13) is arranged at the bottom end of the floating ball (14), a connecting rod is fixed at the bottom end of the plug (15), a sliding block (16) is fixed at the lower end of the connecting rod after penetrating through the liquid delivery channel (13), and the sliding block (16) is connected with the inner wall of the liquid storage cavity (12) in a sliding manner.
4. The backflow-resistant infusion apparatus device according to claim 1, wherein the second backflow-resistant assembly (6) comprises a connecting cavity (7) with upper and lower ends communicated with the connecting pipe (2), petals (8) for preventing backflow are fixed at two sides of the connecting pipe (2) at the top end of the inside of the connecting cavity (7), and abutting mechanisms for driving the bottom ends of the two groups of petals (8) to abut against each other are arranged at two sides of the two groups of petals (8).
5. The anti-backflow infusion set device according to claim 4, wherein the abutting mechanism comprises sleeves (9) located on two sides of the inner wall of the connecting cavity (7), moving rods (10) are inserted into one ends, close to the membrane flaps (8), of the sleeves (9), the moving rods (10) are connected with the sleeves (9) in a sliding mode, one ends of the moving rods (10) are fixedly connected with the membrane flaps (8), springs (11) are fixed to the other ends of the moving rods (10), and the other ends of the springs (11) are fixedly connected with the inner wall of the moving rods (10).
6. The anti-reflux infusion set device according to claim 4, wherein the shape of the petals (8) is an inwardly concave circular arc.
7. An anti-reflux infusion set device according to claim 3, characterized in that the inner wall of the infusion channel (13) is provided with a sealing ring (17) for increasing the sealing between the infusion channel (13) and the stopper (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122408454.0U CN215961532U (en) | 2021-09-30 | 2021-09-30 | Anti-backflow infusion apparatus device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122408454.0U CN215961532U (en) | 2021-09-30 | 2021-09-30 | Anti-backflow infusion apparatus device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215961532U true CN215961532U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122408454.0U Active CN215961532U (en) | 2021-09-30 | 2021-09-30 | Anti-backflow infusion apparatus device |
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| Country | Link |
|---|---|
| CN (1) | CN215961532U (en) |
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2021
- 2021-09-30 CN CN202122408454.0U patent/CN215961532U/en active Active
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