CN211434471U - Infusion apparatus capable of preventing air from entering - Google Patents
Infusion apparatus capable of preventing air from entering Download PDFInfo
- Publication number
- CN211434471U CN211434471U CN201921883499.XU CN201921883499U CN211434471U CN 211434471 U CN211434471 U CN 211434471U CN 201921883499 U CN201921883499 U CN 201921883499U CN 211434471 U CN211434471 U CN 211434471U
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- Prior art keywords
- dropping funnel
- infusion tube
- tube
- infusion
- plug body
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Abstract
The utility model discloses a transfusion device for preventing air from entering, which comprises a dropping funnel, a flow rate regulator and a soft plug body, wherein the top of the dropping funnel is connected with an upper transfusion tube, the bottom of the dropping funnel is connected with a lower transfusion tube, and an auxiliary catheter arranged in parallel with the dropping funnel is communicated between the upper transfusion tube and the lower transfusion tube; the soft plug body is positioned in the dropping funnel, and the shape of the soft plug body is a ball body which can plug the liquid inlet of the lower liquid conveying pipe. Has the advantages that: the liquid outlet of the drip chamber is blocked by the soft plug body, so that the tightness of sealing is ensured, and the safety of infusion is improved; through the arrangement of the auxiliary catheter, the liquid medicine can enter from the bottom of the dropping funnel, so that the soft plug body floats upwards, and the liquid medicine in the dropping funnel can smoothly enter the lower infusion tube.
Description
Technical Field
The utility model relates to a medical care field, concretely relates to prevent transfusion system of air admission.
Background
The infusion apparatus is a common medical consumable, is used for establishing a channel between a vein and liquid medicine after aseptic treatment, and is mainly used for intravenous infusion. The transfusion system is generally composed of a needle, a transfusion hose, a flow rate regulator, a dropping funnel, a bottle stopper puncture outfit and the like which are connected.
In the process of infusion, when the liquid medicine in the infusion bottle is dripped, air can enter the infusion apparatus, if the air in the infusion apparatus is not discharged, the air is easy to enter the body of a patient, the body health of the patient is affected, and the life of the patient is seriously threatened. The application numbers are: chinese patent CN94242169.8 discloses an infusion apparatus, which comprises a bottle stopper perforator, an air inlet, a dropping funnel, a catheter, a flow regulator, a liquid medicine injector, etc., and is characterized in that a small ball with a diameter smaller than the inner diameter of the dropping funnel and larger than the inner diameter of the catheter and a density smaller than the density of the liquid medicine is arranged in the dropping funnel, when the liquid medicine layer in the dropping funnel drops to a certain height, the small ball is tightly attached to the opening of the catheter at the bottom of the dropping funnel, so as to prevent air from entering the human body from the catheter, thereby avoiding medical accidents caused by careless air entering the human body during infusion. Above-mentioned patent is during actual production, when the laminating degree of bobble and dropping funnel bottom is not high, then in the dropping funnel liquid medicine discharge the back completely, the air also can get into the infusion hose thereupon, causes the threat for patient's health, when bobble and dropping funnel bottom laminating degree are higher, then the dropping funnel is when the initial dropping medicine, because the bobble is stifled in the dropping funnel bottom, therefore the difficult infusion hose that gets into the dropping funnel below of liquid medicine.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prevent air admission's transfusion system just in order to solve above-mentioned problem, can guarantee that the liquid medicine in the dropping funnel gets into the infusion hose of below smoothly, can in time seal the bottom export of dropping funnel again after the liquid medicine has dripped in the dropping funnel simultaneously, avoid the air admission infusion hose.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a transfusion device for preventing air from entering, which comprises a dropping funnel, a flow rate regulator and a soft plug body, wherein the top of the dropping funnel is connected with an upper transfusion tube, the bottom of the dropping funnel is connected with a lower transfusion tube, and an auxiliary catheter arranged in parallel with the dropping funnel is communicated between the upper transfusion tube and the lower transfusion tube;
the soft plug body is positioned in the dropping funnel, and the appearance of the soft plug body is a sphere which can plug the liquid inlet of the lower infusion tube;
one side of the bottom of the lower infusion tube, which is opposite to the auxiliary liquid guide tube, is connected with a siphon section infusion tube, the top of the siphon section infusion tube extends to a position half of the height of the dropping funnel, and the flow rate regulator is connected to the middle part of the siphon section infusion tube;
the middle part of the upper infusion tube and the horizontal tube section of the siphon section infusion tube are both connected with stop valves, and the stop valves on the upper infusion tube are positioned below the liquid inlet of the auxiliary liquid guide tube.
By adopting the infusion apparatus for preventing air from entering, in an initial state, the two stop valves are both in a closed state, the liquid medicine in the upper infusion tube flows into the lower infusion tube through the auxiliary catheter and upwards enters the dropping funnel through the lower infusion tube so as to jack up the soft plug body upwards, so that the soft plug body floats in the dropping funnel, then the two stop valves are opened, the liquid medicine in the upper infusion tube directly enters the dropping funnel, the liquid medicine in the dropping funnel enters the siphon section infusion tube along the lower infusion tube and is finally conveyed into a human body, after the liquid medicine in the medicine bottle is infused, the liquid medicine in the dropping funnel also descends along with the liquid level in the dropping funnel, so that when the liquid medicine in the dropping funnel completely flows into the lower infusion tube, the soft plug body blocks the liquid inlet of the lower infusion tube, thereby preventing air from entering the lower infusion tube and ensuring the safety of infusion.
Preferably, the soft plug body is a hollow rubber ball, and the outer diameter of the hollow rubber ball is larger than the pipe diameter of the lower infusion pipe and smaller than the section diameter of the dropping funnel.
Preferably, an exhaust valve is connected to the lateral upper side of the dropping funnel, and the exhaust valve is a one-way exhaust valve.
Preferably, an air filtering ball is arranged on the siphon section infusion tube, a spherical shell-shaped storage cavity for storing the air filtering ball is arranged on the siphon section infusion tube, and the air filtering ball is positioned above the flow rate regulator.
Preferably, the air filtering ball is a sponge ball.
Preferably, the vertical pipe section of the siphon section infusion pipe is connected to the dropping funnel through a fixing clamp, the fixing clamp is in a gourd shape, and the fixing clamp is horizontally sleeved on the dropping funnel and the siphon section infusion pipe.
Has the advantages that: 1. the utility model plugs the liquid outlet of the drip chamber through the soft plug body, thereby ensuring the tightness of sealing and improving the safety of transfusion;
2. through the arrangement of the auxiliary catheter, the liquid medicine can enter from the bottom of the dropping funnel, so that the soft plug body floats upwards, and the liquid medicine in the dropping funnel can smoothly enter the lower infusion tube.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 creative efforts.
Fig. 1 is a front view of the present invention.
The reference numerals are explained below:
1a, an upper infusion tube; 1b, a lower infusion tube; 1c, a siphon section liquid conveying pipe; 2. an auxiliary catheter; 3. fixing the card; 4. a dropping funnel; 4a, an exhaust valve; 5. a soft plug body; 6. a stop valve; 7. an air filter ball; 8. a flow rate regulator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, the utility model provides an infusion apparatus for preventing air from entering, which comprises a dropping funnel 4, a flow rate regulator 8 and a soft plug body 5, wherein the top of the dropping funnel 4 is connected with an upper infusion tube 1a, the bottom of the dropping funnel 4 is connected with a lower infusion tube 1b, and an auxiliary catheter 2 arranged in parallel with the dropping funnel 4 is communicated between the upper infusion tube 1a and the lower infusion tube 1 b;
the soft plug body 5 is positioned in the dropping funnel 4, and the shape of the soft plug body 5 is a sphere which can plug the liquid inlet of the lower infusion tube 1 b;
one side of the bottom of the lower infusion tube 1b, which is opposite to the auxiliary catheter 2, is connected with a siphon section infusion tube 1c, the top of the siphon section infusion tube 1c extends to a position which is half of the height of the dropping funnel 4, and the flow rate regulator 8 is connected to the middle part of the siphon section infusion tube 1 c;
the middle part of the upper infusion tube 1a and the horizontal tube section of the siphon section infusion tube 1c are both connected with stop valves 6, and the stop valves 6 on the upper infusion tube 1a are positioned below the liquid inlet of the auxiliary liquid guide tube 2.
Preferably, the soft plug 5 is a hollow rubber ball, and the outer diameter of the hollow rubber ball is larger than the pipe diameter of the lower infusion tube 1b and smaller than the cross-sectional diameter of the dropping funnel 4, so as to ensure that the soft plug 5 can block the liquid inlet of the lower infusion tube 1b, and the liquid medicine in the dropping funnel 4 can flow downwards into the lower infusion tube 1b after the soft plug 5 is floated.
The side top of dropping funnel 4 is connected with discharge valve 4a, just discharge valve 4a is one-way discharge valve 4a, so sets up, and the initial stage of being convenient for, when the liquid medicine entered through dropping funnel 4 bottom, the air in dropping funnel 4 can be discharged through discharge valve 4a, avoids simultaneously in infusion in-process, outside air gets into dropping funnel 4.
Be equipped with filtration ball 7 on siphon section transfer line 1c, be equipped with on the siphon section transfer line 1c and be used for depositing the chamber is deposited to the spherical shell shape of filtration ball 7, filtration ball 7 is located the top of velocity of flow regulator 8, so set up, be convenient for filter through the air of sneaking into in the 7 liquid medicines of filtration ball.
The air filtering ball 7 is a sponge ball.
The vertical pipe section of siphon section transfer line 1c passes through fixing clip 3 to be connected on the drip chamber 4, fixing clip 3 is calabash shape, and the level cup joints drip chamber 4 reaches on the siphon section transfer line 1c, so set up, both be convenient for through the special design of siphon section transfer line 1c, make the liquid medicine in the supplementary catheter 2 can be fast through in transfer line 1b gets into drip chamber 4 down, can guarantee again simultaneously that the liquid medicine in the drip chamber 4 can export downwards smoothly through siphon section transfer line 1 c's suction.
By adopting the structure, under the initial state, the two stop valves 6 are both in the closed state, the liquid medicine in the upper infusion tube 1a flows into the lower infusion tube 1b through the auxiliary catheter 2 and flows into the dropping funnel 4 through the lower infusion tube 1b upwards so as to jack up the soft plug body 5 upwards, so that the soft plug body 5 floats in the dropping funnel 4, then the two stop valves 6 are opened, the liquid medicine in the upper infusion tube 1a directly enters the dropping funnel 4, the liquid medicine in the dropping funnel 4 enters the siphon section infusion tube 1c along the lower infusion tube 1b and is finally conveyed into the human body, after the liquid medicine in the medicine bottle is completely conveyed, the liquid medicine in the dropping funnel 4 also descends along with the liquid level in the dropping funnel 4, so that when the liquid medicine in the dropping funnel 4 completely flows into the lower infusion tube 1b, the soft plug body 5 plugs the liquid inlet of the lower infusion tube 1b, so that air is prevented from entering the lower infusion tube 1b, and the infusion safety is guaranteed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. An infusion set for preventing air from entering is characterized in that: the device comprises a dropping funnel (4), a flow rate regulator (8) and a soft plug body (5), wherein the top of the dropping funnel (4) is connected with an upper infusion tube (1a), the bottom of the dropping funnel (4) is connected with a lower infusion tube (1b), and an auxiliary liquid guide tube (2) arranged in parallel with the dropping funnel (4) is communicated between the upper infusion tube (1a) and the lower infusion tube (1 b);
the soft plug body (5) is positioned in the dropping funnel (4), and the appearance of the soft plug body (5) is a sphere which can plug the liquid inlet of the lower infusion tube (1 b);
one side of the bottom of the lower infusion tube (1b), which is opposite to the auxiliary catheter (2), is connected with a siphon section infusion tube (1c), the top of the siphon section infusion tube (1c) extends to a position which is half of the height of the dropping funnel (4), and the flow rate regulator (8) is connected to the middle part of the siphon section infusion tube (1 c);
the middle part of the upper infusion tube (1a) and the horizontal tube section of the siphon section infusion tube (1c) are both connected with stop valves (6), and the stop valves (6) on the upper infusion tube (1a) are positioned below the liquid inlet of the auxiliary liquid guide tube (2).
2. An air entry prevention infusion set according to claim 1, characterised in that: the soft plug body (5) is a hollow rubber ball, and the outer diameter of the hollow rubber ball is larger than the pipe diameter of the lower infusion tube (1b) and smaller than the section diameter of the dropping funnel (4).
3. An air entry prevention infusion set according to claim 2, characterised in that: an exhaust valve (4a) is connected to the lateral upper side of the dropping funnel (4), and the exhaust valve (4a) is a one-way exhaust valve (4 a).
4. An air entry prevention infusion set according to claim 3, characterised in that: be equipped with filtration ball (7) on siphon section transfer line (1c), be equipped with on siphon section transfer line (1c) and be used for depositing the spherical shell shape of filtration ball (7) is deposited the chamber, filtration ball (7) are located the top of flow rate regulator (8).
5. An air entry prevention infusion set according to claim 4 characterised in that: the air filtering ball (7) is a sponge ball.
6. An air entry prevention infusion set according to claim 5, characterised in that: the vertical pipe section of siphon section transfer line (1c) passes through fixing clip (3) to be connected on drip chamber (4), fixing clip (3) are calabash shape, and the level cup joints drip chamber (4) and siphon section transfer line (1c) is last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883499.XU CN211434471U (en) | 2019-11-04 | 2019-11-04 | Infusion apparatus capable of preventing air from entering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921883499.XU CN211434471U (en) | 2019-11-04 | 2019-11-04 | Infusion apparatus capable of preventing air from entering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211434471U true CN211434471U (en) | 2020-09-08 |
Family
ID=72308054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921883499.XU Expired - Fee Related CN211434471U (en) | 2019-11-04 | 2019-11-04 | Infusion apparatus capable of preventing air from entering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211434471U (en) |
-
2019
- 2019-11-04 CN CN201921883499.XU patent/CN211434471U/en not_active Expired - Fee Related
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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: 20200908 Termination date: 20211104 |