CN215690657U - Safety transfusion device for preventing air from entering blood vessel - Google Patents
Safety transfusion device for preventing air from entering blood vessel Download PDFInfo
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- CN215690657U CN215690657U CN202121256834.0U CN202121256834U CN215690657U CN 215690657 U CN215690657 U CN 215690657U CN 202121256834 U CN202121256834 U CN 202121256834U CN 215690657 U CN215690657 U CN 215690657U
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- filter screen
- transition bag
- bag
- transition
- drip
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- 210000004204 blood vessel Anatomy 0.000 title claims abstract description 14
- 239000007788 liquid Substances 0.000 claims abstract description 53
- 230000007704 transition Effects 0.000 claims abstract description 52
- 238000001802 infusion Methods 0.000 claims abstract description 51
- 239000000463 material Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 230000002792 vascular Effects 0.000 claims description 2
- 239000003814 drug Substances 0.000 abstract description 29
- 101150038956 cup-4 gene Proteins 0.000 description 11
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a safe infusion apparatus for preventing air from entering blood vessels, which relates to the technical field of infusion apparatuses and comprises a puncture needle, an upper-section infusion tube, an exhaust tube, a drip cup, a lower-section infusion tube, a flow rate regulator and a needle head, wherein the puncture needle, the upper-section infusion tube, the drip cup, the lower-section infusion tube and the needle head are sequentially connected, the exhaust tube is connected with the upper-section infusion tube, the flow rate regulator is arranged on the lower-section infusion tube, an upper filter screen and a lower filter screen are arranged in the drip cup, the upper filter screen is arranged above the lower filter screen, a transition bag is arranged between the upper filter screen and the lower filter screen, the lower end of the transition bag is funnel-shaped, a liquid outlet is arranged at the lower end of the transition bag, the upper end of the transition bag is opened and fixed on the upper filter screen, a floating ball is arranged in the transition bag, and the diameter of the floating ball is larger than that of the liquid outlet; the safe infusion apparatus of the utility model solves the problem that air can enter the lower infusion tube through the drip cup after the infusion of the liquid medicine.
Description
Technical Field
The utility model relates to the technical field of infusion sets, in particular to a safe infusion set capable of preventing air from entering blood vessels.
Background
The transfusion system is a common medical consumable, establishes a channel between a vein and liquid medicine after aseptic treatment, is used for venous transfusion, and generally consists of eight parts of a vein needle or an injection needle, a needle head protective cap, a transfusion hose, a liquid medicine filter, a flow rate regulator, a drip cup, a bottle stopper puncture outfit, an air filter and the like which are connected, wherein the partial transfusion system also comprises an injection part, a medicine adding port and the like. The existing infusion apparatus has the advantages that when a patient finishes infusing liquid medicine, air can enter the lower-section infusion tube through the drip cup, when the medicine bottle is directly replaced without disassembling a needle to continue infusion, the air in the lower-section infusion tube needs to be extruded into the drip cup first, so that the infusion tube can continue infusion for the patient without air, but the operation of extruding the air in the lower-section infusion tube into the drip cup is troublesome, and the infusion apparatus is particularly difficult to operate for medical staff with insufficient experience.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the safe infusion apparatus for preventing air from entering the blood vessel is provided, and the problem that the air can enter the lower section of the infusion tube through the drip cup after the infusion is finished is solved.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a prevent that air from getting into vascular safe transfusion system includes pjncture needle, upper segment transfer line, blast pipe, drip kettle, hypomere transfer line, flow rate regulator and syringe needle, pjncture needle, upper segment transfer line, drip kettle, hypomere transfer line and syringe needle connect gradually, the blast pipe is connected the upper segment transfer line, flow rate regulator locates on the hypomere transfer line, be equipped with filter screen and lower filter screen in the drip kettle, it locates to go up the filter screen the top of filter screen down, it is equipped with the transition bag to go up between filter screen and the lower filter screen, the lower extreme of transition bag is and leaks hopper-shaped, the lower extreme of transition bag is equipped with the liquid outlet, the upper end opening of transition bag is fixed in go up the filter screen, the floater is equipped with in the transition bag, the diameter of floater is greater than the diameter of liquid outlet.
Further, the edge of going up the filter screen is equipped with a plurality of weeping holes, the weeping hole is located outside the transition bag, the outer wall fixed connection at the middle part of transition bag drip the inner wall of kettle, the lateral wall of transition bag is equipped with a plurality of feed liquor holes, the feed liquor hole is located the transition bag with the top of the junction of the inner wall of kettle drips. The liquid leakage hole and the liquid inlet hole can accelerate the liquid medicine to enter the transition bag.
Furthermore, the floating ball is made of glass and is a hollow ball.
Further, the material of transition bag is the same with the material of drip cup.
Further, the distance between the outer wall of the upper end of the transition bag and the inner wall of the drip cup is 1.5-3 mm.
Further, the upper filter screen and the lower filter screen have the same structure.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
when the safe infusion apparatus is used, after air in an infusion tube is discharged, liquid medicine enters the drip cup and the transition bag, the drip cup is pinched by hands, the floating ball leaves the liquid outlet, the liquid medicine is stored at the lower part of the drip cup and the lower part of the transition bag, the floating ball floats on the liquid medicine in the transition bag, and then a needle is connected with a blood vessel of a patient for infusion. After the liquid medicine is infused, the floating ball descends along with the descending of the liquid level of the liquid medicine in the transition bag, when the floating ball descends into the liquid outlet and blocks the liquid outlet, the liquid medicine does not descend any more, the stability is kept, and air is prevented from entering the lower section of the infusion tube. After the medicine bottle is replaced, the drip cup is pinched by hands, so that the floating ball leaves the liquid outlet, and the floating ball floats on the liquid medicine in the transition bag to continue transfusion. In addition, the upper filter screen and the lower filter screen can prevent the liquid medicine in the drip cup from generating vortex during transfusion. The safe infusion apparatus solves the problem that air enters the lower infusion tube through the drip cup after the infusion of the liquid medicine and the problem that the liquid medicine in the drip cup generates vortex during the infusion.
Drawings
FIG. 1 is a schematic diagram of the structure of a safety infusion set for preventing air from entering blood vessels according to the utility model;
FIG. 2 is a schematic structural view of the upper screen of the present invention;
the device comprises a puncture needle 1, an upper infusion tube 2, an exhaust tube 3, a drip cup 4, a lower infusion tube 5, a flow rate regulator 6, a needle 7, an upper filter screen 8, a lower filter screen 9, a transition bag 10, a floating ball 11, a liquid inlet hole 12 and a liquid leakage hole 13.
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.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, a safe infusion apparatus for preventing air from entering blood vessels comprises a puncture needle 1, an upper infusion tube 2, an exhaust tube 3, a drip cup 4, a lower infusion tube 5, a flow rate regulator 6 and a needle 7, wherein the puncture needle 1, the upper infusion tube 2, the drip cup 4, the lower infusion tube 5 and the needle 7 are sequentially connected, the exhaust tube 3 is connected with the upper infusion tube 2, and the flow rate regulator 6 is arranged on the lower infusion tube 5. Be equipped with filter screen 8 and lower filter screen 9 in dripping kettle 4, it is the same with the structure of lower filter screen 9 to go up filter screen 8, go up filter screen 8 and locate filter screen 9's top down, it is equipped with transition bag 10 to go up between filter screen 8 and the lower filter screen 9, the material of transition bag 10 is the same with the material of dripping kettle 4, the upper end opening of transition bag 10 is fixed in filter screen 8, the lower extreme of transition bag 10 is hourglass hopper-shaped, the lower extreme of transition bag 10 is equipped with the circular shape liquid outlet, be equipped with floater 11 in the transition bag 10, floater 11 adopts glass to make, floater 11 is the clean shot, floater 11's diameter is greater than the diameter of liquid outlet.
Referring to fig. 2, the edge of the upper filter screen 8 is provided with a plurality of liquid leakage holes 13, the liquid leakage holes 13 are arranged outside the transition bag 10, the outer wall of the middle part of the transition bag 10 is fixedly connected with the inner wall of the drip cup 4, the side wall of the transition bag 10 is provided with a plurality of liquid inlet holes 12, the liquid inlet holes 12 are arranged above the connection part of the transition bag 10 and the inner wall of the drip cup 4, and the distance between the outer wall of the upper end of the transition bag 10 and the inner wall of the drip cup 4 is 1.5-3 mm. The liquid leakage hole 13 and the liquid inlet hole 12 can accelerate the liquid medicine to enter the transition bag 10.
When the infusion set is used, after air in the infusion tube is exhausted, liquid medicine enters the drip cup 4 and the transition bag 10, the drip cup 4 is pinched by hands, the floating ball 11 leaves the liquid outlet, the liquid medicine is stored at the lower part of the drip cup 4 and the lower part of the transition bag 10, the floating ball 11 floats on the liquid medicine in the transition bag 10, and then the needle 7 is connected with a blood vessel of a patient for infusion. After the liquid medicine is infused, the floating ball 11 descends along with the descending of the liquid level of the liquid medicine in the transition bag 10, when the floating ball 11 descends into the liquid outlet and blocks the liquid outlet, the liquid medicine does not descend any more and keeps stable, and air is prevented from entering the lower-segment infusion tube 5. After the medicine bottle is replaced, the drip cup 4 is pinched by hands, so that the floating ball 11 is separated from the liquid outlet, the liquid medicine in the transition bag 10 is communicated with the liquid medicine at the lower part of the drip cup 4, and the floating ball 11 floats on the liquid medicine in the transition bag 10 to continue transfusion.
The above description is intended to describe in detail the preferred embodiments of the present invention, but the embodiments are not intended to limit the scope of the claims of the present invention, and all equivalent changes and modifications made within the technical spirit of the present invention should fall within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a prevent vascular safe transfusion system of air admission, includes pjncture needle, upper segment transfer line, blast pipe, drip kettle, hypomere transfer line, flow rate regulator and syringe needle, pjncture needle, upper segment transfer line, drip kettle, hypomere transfer line and syringe needle connect gradually, the blast pipe is connected the upper segment transfer line, flow rate regulator locates on the hypomere transfer line, its characterized in that: be equipped with filter screen and lower filter screen in the kettle drip, it locates to go up the filter screen the top of filter screen down, it is equipped with the transition bag to go up between filter screen and the lower filter screen, the lower extreme of transition bag is hourglass hopper-shaped, the lower extreme of transition bag is equipped with the liquid outlet, the upper end opening of transition bag is fixed in go up the filter screen, be equipped with the floater in the transition bag, the diameter of floater is greater than the diameter of liquid outlet.
2. A safety infusion set for preventing air from entering blood vessels as claimed in claim 1, wherein: go up the filter screen the edge be equipped with a plurality of weeping holes, the weeping hole is located outside the transition bag, the outer wall fixed connection at the middle part of transition bag drip the inner wall of kettle, the lateral wall of transition bag is equipped with a plurality of feed liquor holes, the feed liquor hole is located the transition bag with the top of the junction of the inner wall of kettle drips.
3. A safety infusion set for preventing air from entering blood vessels as claimed in claim 1, wherein: the floating ball is made of glass and is a hollow ball.
4. A safety infusion set for preventing air from entering blood vessels as claimed in claim 1, wherein: the material of transition bag is the same with the material of drip cup.
5. A safety infusion set for preventing air from entering blood vessels as claimed in claim 1, wherein: the distance between the outer wall of the upper end of the transition bag and the inner wall of the drip cup is 1.5-3 mm.
6. A safety infusion set for preventing air from entering blood vessels as claimed in claim 1, wherein: the upper filter screen and the lower filter screen have the same structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121256834.0U CN215690657U (en) | 2021-06-03 | 2021-06-03 | Safety transfusion device for preventing air from entering blood vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121256834.0U CN215690657U (en) | 2021-06-03 | 2021-06-03 | Safety transfusion device for preventing air from entering blood vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215690657U true CN215690657U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121256834.0U Active CN215690657U (en) | 2021-06-03 | 2021-06-03 | Safety transfusion device for preventing air from entering blood vessel |
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| Country | Link |
|---|---|
| CN (1) | CN215690657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118787810A (en) * | 2024-08-16 | 2024-10-18 | 南方医科大学南方医院 | Infusion device for preventing blood from flowing back |
-
2021
- 2021-06-03 CN CN202121256834.0U patent/CN215690657U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118787810A (en) * | 2024-08-16 | 2024-10-18 | 南方医科大学南方医院 | Infusion device for preventing blood from flowing back |
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