CN113368335B

CN113368335B - Multifunctional infusion apparatus

Info

Publication number: CN113368335B
Application number: CN202110627806.3A
Authority: CN
Inventors: 徐西武
Original assignee: ZHEJIANG KANGTAI MEDICAL DEVICES CO LTD
Current assignee: ZHEJIANG KANGTAI MEDICAL DEVICES CO LTD
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2023-02-28
Anticipated expiration: 2041-06-05
Also published as: CN113368335A

Abstract

The invention provides a multifunctional infusion apparatus, which comprises a bottle stopper puncture outfit, a dropping funnel, a flow regulator and an intravenous infusion needle which are sequentially communicated and arranged through a hose, wherein an air filter is communicated and arranged on the side wall of the bottle stopper puncture outfit through an air inlet pipe, a one-way air inlet valve is arranged on the air inlet pipe, and the one-way air inlet valve is opened towards one side of the bottle stopper puncture outfit. When the air pressure balancing device is used, external air enters the hard container through the air filter and the air inlet pipe so as to balance the internal air pressure and the external air pressure of the hard container. And when a large amount of medicine pressure was too high when adding in the stereoplasm container, inserted the stopper puncture ware this moment in the stereoplasm container, pressure in the stereoplasm container can be impressed the liquid medicine in the intake pipe, the liquid medicine can be difficult for taking place the contact with air cleaner's air filtration membrane under the blockking of one-way admission valve, so be difficult for appearing the condition that the liquid medicine spills from air filtration membrane, the normal use of transfusion system is difficult for receiving the influence, the use reliability of transfusion system is higher.

Description

Multifunctional infusion apparatus

Technical Field

The invention relates to the field of medical instruments, in particular to a multifunctional infusion apparatus.

Background

The intravenous infusion is a widely adopted treatment method in clinical treatment, when the liquid medicine in a hard container is infused, an air inlet device is required to be arranged on an infusion apparatus to realize the balance of the air pressure inside and outside the container in the infusion process, thereby ensuring the normal infusion of the liquid medicine in the container. Air filtering membranes are arranged on the air inlet devices and are used for filtering air entering the liquid medicine and preventing the liquid medicine from leaking. However, in the actual clinical infusion treatment, different medicines are often required to be mixed in the hard container, when a large amount of multiple medicines are mixed in one hard container, the pressure in the hard container can be increased rapidly, and when the pressure in the hard container is gradually higher than the hydrophobic pressure of the air filtering membrane, the liquid medicine in the hard container can leak out of the air filtering membrane, the leaked liquid medicine can pollute the medical environment, and the air inlet channel of the air inlet device can be blocked, so that the normal use of the infusion apparatus is threatened, and the use reliability is low.

Disclosure of Invention

In view of the above, the present invention is directed to a multifunctional infusion apparatus, which has an advantage that the medical liquid is not easy to leak from the air filtering membrane.

In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a multifunctional infusion apparatus, includes bottle plug puncture ware, drip chamber, flow regulator and the venous transfusion needle that is set up by the hose intercommunication in proper order, be provided with air cleaner through the intake pipe intercommunication on the lateral wall that the side ware was worn to the bottle plug, the intake pipe is located air cleaner with the bottle plug is worn to be provided with one-way admission valve between the side ware, the one-way admission valve orientation the bottle plug is worn side ware one side and is opened.

Through the technical scheme, when the air purifier is used, external air enters the hard container through the air filter and the air inlet pipe so as to balance the internal air pressure and the external air pressure of the hard container. And when a large amount of medicine pressure was too high when adding in the stereoplasm container, inserted the bottle plug puncture ware this moment in the stereoplasm container, pressure in the stereoplasm container can be impressed the liquid medicine in the intake pipe, because be provided with one-way admission valve in the intake pipe, so the liquid medicine can be difficult for taking place the contact with air cleaner's filtration membrane under the blockking of one-way admission valve, so the difficult condition that the liquid medicine spills from air filtration membrane that appears, the normal use of transfusion system is difficult for receiving the influence, the use reliability of transfusion system is higher.

Preferably, the hose is located the bottle stopper side ware of wearing with be provided with the one-way liquid valve that flows between the venous transfusion needle, the one-way liquid valve that flows orientation venous transfusion needle one side is opened.

Through above-mentioned technical scheme, in clinical treatment, the storage of some medicines needs to be handled stereoplasm container evacuation, is formed with great negative pressure in the stereoplasm container so, in wearing the bottle plug side ware disect insertion stereoplasm container this moment, the liquid medicine in the hose can take place the phenomenon to stereoplasm container one side refluence under the effect of negative pressure to can cause the inside condition of hose of patient's blood reflux. Because the hose is provided with the guide liquid flow valve, when the liquid medicine in the hose flows back under the influence of negative pressure, the one-way liquid flow valve can block the liquid medicine from flowing back to one side of the hard container, the situation that the blood of a patient flows back into the hose is further avoided, and the use reliability of the infusion apparatus is improved.

Preferably, the hose is close to the intercommunication is provided with injection spare on the lateral wall of venous transfusion needle, injection spare including with the injection syringe that the hose is linked together and set up in the shutoff piece at injection syringe tip.

Through the technical scheme, in clinical treatment, except for the treatment mode of bottle hanging infusion, a small dose of liquid medicine is often required to be injected into a patient for treatment, generally, a needle cylinder injector is selected to be directly inserted into the vein of the patient for injection of the liquid medicine, when the patient uses the infusion apparatus to carry out infusion treatment, medical personnel can inject the liquid medicine into the hose through the injection tube arranged on the side wall of the hose and input the liquid medicine into the vein of the patient through the intravenous infusion needle, so that the medical personnel is not required to search the vein of the patient again for injection, the infusion apparatus is rich in use function and high in practicability.

Preferably, the hose is located the bottle plug puncture ware with be provided with the stagnant water clamp on the lateral wall between the drip chamber, the stagnant water clamp is including pressing the splenium and setting up the stagnant flow arch of pressing the splenium both sides, and two stagnant flow archs deviate from the tip of pressing the splenium all with the hose is inconsistent.

Through above-mentioned technical scheme, when the transfusion system need promptly close to patient's infusion, medical personnel can squeeze and press the splenium and make two stagnant flow archs be close to each other, so can cut off the liquid medicine flow in the hose for the transfusion system can't continue to patient's infusion, has improved the use reliability of transfusion system from this.

Preferably, a connecting part extends upwards from the top of the pressing part, and the connecting part is wound on the outer side wall of the hose.

Through above-mentioned technical scheme, area of contact between connecting portion multiplicable stagnant water clamp and the hose for the stagnant water clamp is difficult for sliding at will on the hose, and medical personnel can adjust the stagnant water clamp to the suitable high position of hose so that medical personnel's stretch out the hand operation, has further improved the use reliability of transfusion system from this.

Preferably, the end part of the hose far away from the bottle stopper puncture outfit is provided with an external cone joint, and the intravenous infusion needle is inserted and connected onto the external cone joint.

Through above-mentioned technical scheme, the connected mode of venous transfusion needle and hose is realized through outer cone joint, and this connected mode is comparatively convenient ingenious, and can separately carry venous transfusion needle and other component parts of transfusion system in the transportation of carrying of transfusion system, so make the transportation of carrying of transfusion system more safe and reliable.

Preferably, the bottom of the dropping funnel is provided with a circulating pipe, the circulating pipe is communicated with the hose, a liquid storage cavity is formed between the communicating pipe and the dropping funnel, the circulating pipe comprises a first connecting pipe and a second connecting pipe, the side wall of the first connecting pipe is connected with the side wall of the second connecting pipe, the inner diameter of the first connecting pipe is smaller than that of the second connecting pipe, and a plurality of capillary holes communicated with the liquid storage cavity are arranged on the side wall of the first connecting pipe in a penetrating mode.

Through above-mentioned technical scheme, when still having the liquid medicine in the stereoplasm container, the liquid medicine can pass through in the hose gets into the dropping funnel, and the liquid medicine that gets into in the dropping funnel can get into the hose that is located the dropping funnel below through communicating pipe, gets into patient's vein via the venous transfusion needle at last. In the process, a part of the liquid medicine entering the dropping funnel is reserved in the liquid storage cavity, when the liquid medicine in the hard container is completely transfused, the liquid level of the liquid medicine in the dropping funnel is gradually reduced along with the liquid medicine entering the veins of a patient, when the liquid level of the liquid medicine is level with the top surface of the circulating pipe, as the inner diameter of the pipe of the first connecting pipe is smaller than that of the pipe of the second connecting pipe, the liquid medicine in the second connecting pipe is sucked up by the capillary phenomenon generated by the first connecting pipe for a while, and the speed of the liquid medicine in the dropping funnel flowing to the veins of the patient is further reduced. And the liquid medicine in the liquid storage cavity can be slowly supplemented into the first connecting pipe through the capillary hole, so that the liquid medicine can be stored in the dropping funnel for a long time, the speed of the liquid medicine in the dropping funnel flowing to the veins of a patient is greatly reduced, the time node for completely emptying the liquid medicine in the hose to suck out blood in the veins of the patient is prolonged, medical workers can find the liquid medicine for a long time and replace the hard container, and the use safety of the infusion apparatus is higher.

Preferably, a connecting ring is arranged between the circulating pipe and the dropping funnel, the liquid storage cavity is limited above the connecting ring, the connecting ring is arranged in an inclined mode, and the connecting point of the connecting ring and the circulating pipe is higher than the connecting point of the connecting ring and the dropping funnel.

Through above-mentioned technical scheme, the go-between sets up in the slope, and the volume of depositing liquid of so depositing the sap cavity is bigger, and further it is more to the volume of connecting pipe fluid infusion in one to make to deposit the sap cavity, and the drip chamber is deposited the time that has the liquid medicine and is prolonged, and medical personnel have longer time to go to discover and change the stereoplasm container, and the safety in utilization of transfusion system is higher.

Preferably, the side wall of the dropping funnel below the circulating pipe is provided with a pressure-maintaining film.

Through above-mentioned technical scheme, when the liquid medicine of pressurize membrane top has certain pressure, during the liquid medicine accessible pressurize membrane got into the hose of below, made the speed of the liquid medicine flow direction hose in the dropping funnel further reduce from this, and the liquid medicine in the hose is under the condition that does not obtain the liquid medicine and supply, and its speed to patient's venous flow is lower, so when making the liquid medicine in the stereoplasm container to lose to the greatest extent on the whole, still has the liquid medicine in the hose in a long period. Medical personnel can find the hard container for a long time and replace the hard container so as to prevent the blood in the vein of the patient from being sucked back after the hose is emptied, thereby embodying the use safety of the infusion apparatus.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of the communication pipe.

Reference numerals: 1. a hose; 2. a bottle stopper puncture outfit; 3. a dropping funnel; 4. a flow regulator; 5. an intravenous infusion needle; 6. an air inlet pipe; 7. an air filter; 8. a one-way intake valve; 9. a one-way flow valve; 10. an injection member; 11. an injection tube; 12. a plugging block; 13. a water stop clip; 14. a pressing part; 15. a flow stopping bulge; 16. a connecting portion; 17. an outer cone joint; 18. a flow-through tube; 19. a liquid storage cavity; 20. a first connecting pipe; 21. a second connecting pipe; 22. capillary pores; 23. a connecting ring; 24. a pressure-maintaining film; 25. an air filtration membrane.

Detailed Description

The following detailed description of the present invention is provided to facilitate the understanding and appreciation of the technical aspects of the present invention in connection with the accompanying drawings.

As shown in figure 1, the multifunctional infusion apparatus comprises a bottle stopper puncture outfit 2, a dropping funnel 3, a flow regulator 4 and an intravenous infusion needle 5 which are sequentially communicated and arranged by a hose 1.

As shown in fig. 1, 2 and 3, an air filter 7 is arranged on the side wall of the bottle stopper puncture outfit 2 through an air inlet pipe 6 in a communicating manner, an air filtering membrane 25 is arranged in the air filter 7, when the bottle stopper puncture outfit 2 is used, after the bottle stopper puncture outfit 2 is inserted into a hard container with liquid medicine, external air can enter the hard container through the air filter 7, the air inlet pipe 6 and the bottle stopper puncture outfit 2 to balance the internal and external air pressure of the hard container, so that stable atmospheric pressure acts in the hard container to input the liquid medicine in the hard container into the vein of a patient through the bottle stopper puncture outfit 2, a dropping funnel 3 and an intravenous infusion needle 5. The air inlet pipe 6 is arranged between the air filter 7 and the bottle stopper puncture device 2 and is provided with a one-way air inlet valve 8, and the one-way air inlet valve 8 is opened by air flowing towards one side of the bottle stopper puncture side device. When the internal pressure of a large amount of medicines is too high, the bottle stopper puncture outfit 2 is inserted into the hard container, the liquid medicine is pressed into the air inlet pipe 6 by the pressure in the hard container, and the one-way air inlet valve 8 is arranged on the air inlet pipe 6, so that the liquid medicine is not easy to contact with the air filtering membrane 25 of the air filter 7 under the blocking of the one-way air inlet valve 8, the liquid medicine is not easy to leak from the air filtering membrane 25, and the normal use of the infusion apparatus is not easy to be influenced. As other schemes, the air filter 7 can be directly embedded in the side wall of the bottle stopper puncture outfit 2 without the air inlet pipe 6, and the one-way air inlet valve 8 only needs to be closer to the bottle stopper puncture outfit 2 than the air filter 7 and has the use function of reversely blocking the liquid medicine from entering the air filter 7.

The outer side wall that hose 1 is located between bottle stopper puncture ware 2 and the drip chamber 3 is provided with water stop clamp 13, water stop clamp 13 is including pressing portion 14 and setting the stagnant flow arch 15 on pressing portion 14 two inside walls, two stagnant flow archs 15 deviate from the tip of pressing portion 14 and all contradict with hose 1, so when the transfusion system needs emergency shutdown to patient's infusion, medical personnel can extrude and press portion 14 to make two stagnant flow archs 15 be close to each other and cut off the liquid medicine flow in hose 1 for the transfusion system can't continue to patient's infusion. The top of the pressing part 14 extends upwards to form a connecting part 16, the connecting part 16 is wound on the outer side wall of the hose 1, so that the contact area between the water stop clamp 13 and the hose 1 is increased, the water stop clamp 13 is not easy to move automatically when not used, and the water stop clamp is fixed at a stable use position for use.

The bottom of the dropping funnel 3 is provided with a circulating pipe 18 communicated with the hose 1, a liquid storage cavity 19 is formed between the circulating pipe 18 and the inner wall of the dropping funnel 3, a connecting ring 23 is arranged between the circulating pipe 18 and the dropping funnel 3, the connecting ring 23 is arranged in an inclined mode, the connecting point of the connecting ring 23 and the circulating pipe 18 is higher than the connecting point of the connecting ring 23 and the dropping funnel 3, therefore, the area of the liquid storage cavity 19 is limited above the connecting ring 23, large liquid storage amount is achieved, the circulating pipe 18 comprises a first connecting pipe 20 and a second connecting pipe 21, the side wall portion of the first connecting pipe 20 is connected with the side wall of the second connecting pipe 21, the inner diameter of the first connecting pipe 20 is smaller than that of the second connecting pipe 21, and a plurality of capillary holes 22 communicated with the liquid storage cavity 19 penetrate through the side wall of the first connecting pipe 20. When the liquid medicine is stored in the hard container, the liquid medicine can enter the dropping funnel 3 through the hose 1, the liquid medicine entering the dropping funnel 3 can enter the hose 1 positioned below the dropping funnel 3 through the communicating pipe, and finally enters the vein of a patient through the venous transfusion needle 5. During the process, a part of the liquid medicine entering the dropping funnel 3 is retained in the liquid storage cavity 19, when the liquid medicine in the hard container is completely transfused, the liquid level of the liquid medicine in the dropping funnel 3 gradually decreases along with the liquid medicine entering the veins of the patient, and when the liquid level of the liquid medicine in the dropping funnel 3 decreases to be level with the top surface of the circulating pipe 18, because the inner diameter of the pipe of the first connecting pipe 20 is smaller than that of the pipe of the second connecting pipe 21, the first connecting pipe 20 can generate a capillary phenomenon to suck up the liquid medicine in the second connecting pipe 21, and the speed of the liquid medicine in the dropping funnel 3 flowing to the veins of the patient is further reduced. The liquid medicine in the liquid storage cavity 19 can be slowly supplemented into the connecting pipe I20 through the capillary holes 22, so that the liquid medicine can be stored in the dropping funnel 3 for a long time, the speed of the liquid medicine in the dropping funnel to flow to the veins of the patient is greatly reduced, the time node for sucking out blood in the veins of the patient is prolonged by completely emptying the liquid medicine in the hose 1, medical personnel can find the liquid medicine for a long time and replace the hard container, and the use safety of the infusion apparatus is high. It is worth mentioning that the side wall of the dropping funnel 3 below the circulating pipe 18 is provided with a pressure maintaining film 24, the pressure maintaining film 24 enables the liquid medicine in the communicating pipe to pass through and flow into the hose 1 below when reaching a certain amount to generate enough pressure, and the liquid medicine in the hose 1 has a lower venous circulation speed to the patient under the condition that the liquid medicine is not supplemented, so that the time that the liquid medicine exists in the hose 1 is prolonged again on the whole, and the use safety of the infusion apparatus is higher.

Hose 1 is located and is provided with one-way flow liquid valve 9 between bottle stopper side ware and the venous transfusion needle 5, one-way flow liquid valve 9 is opened towards venous transfusion needle 5 one side, and hose 1 is provided with injection spare 10 near the intercommunication on the lateral wall of venous transfusion needle 5, injection spare 10 includes the injection pipe 11 that is linked together with hose 1 and sets up in the shutoff piece 12 of injection pipe 11 tip, shutoff piece 12 can carry out the shutoff to the opening of injection pipe 11, and when patient need inject the small-dose medicine, can extract shutoff piece 12 from injection pipe 11, can be comparatively convenient quick through injection pipe 11 medical personnel in injecting patient's vein with the medicine.

The end part of the hose 1 far away from the bottle stopper puncture outfit 2 is provided with the outer cone joint 17, the intravenous infusion needle 5 is inserted into the outer cone joint 17 to realize the fixed installation with the hose 1, therefore, the intravenous infusion needle 5 and other components of the infusion apparatus can be separated to carry and transport, and the infusion apparatus has higher use safety.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. The utility model provides a multifunctional infusion apparatus, includes bottle stopper puncture ware (2), dropping funnel (3), flow regulator (4) and venous transfusion needle (5) that communicate the setting in proper order by hose (1), characterized by: an air filter (7) is communicated and arranged on the side wall of the bottle stopper puncture device (2) through an air inlet pipe (6), a one-way air inlet valve (8) is arranged between the air filter (7) and the bottle stopper puncture device (2) in the air inlet pipe (6), and the one-way air inlet valve (8) is opened towards one side of the bottle stopper puncture device (2);

the bottom of the drip chamber (3) is provided with a circulating pipe (18), the circulating pipe (18) is communicated with the hose (1), a liquid storage cavity (19) is formed between the circulating pipe (18) and the drip chamber (3), the circulating pipe (18) comprises a first connecting pipe (20) and a second connecting pipe (21), the side wall of the first connecting pipe (20) is connected with the side wall of the second connecting pipe (21), the inner diameter of the first connecting pipe (20) is smaller than that of the second connecting pipe (21), and a plurality of capillary holes (22) communicated with the liquid storage cavity (19) penetrate through the side wall of the first connecting pipe (20); a connecting ring (23) is arranged between the circulating pipe (18) and the dropping funnel (3), the liquid storage cavity (19) is limited above the connecting ring (23), the connecting ring (23) is obliquely arranged, the connecting point of the connecting ring (23) and the circulating pipe (18) is higher than the connecting point of the connecting ring (23) and the dropping funnel (3),

and a pressure-maintaining film (24) is arranged on the side wall of the dropping funnel (3) below the circulating pipe (18).

2. The multifunctional infusion set according to claim 1, characterized in that: hose (1) are located bottle plug puncture ware (2) with be provided with one-way flow liquid valve (9) between venous transfusion needle (5), one-way flow liquid valve (9) orientation venous transfusion needle (5) one side is opened.

3. The multifunctional infusion set according to claim 1, characterized in that: hose (1) are close to the intercommunication is provided with injection (10) on the lateral wall of venous transfusion needle (5), injection (10) including with injection syringe (11) that hose (1) are linked together and set up in shutoff piece (12) of injection syringe (11) tip.

4. The multifunctional infusion set according to claim 1, characterized in that: the flexible pipe (1) is located bottle stopper puncture outfit (2) with be provided with stagnant water clamp (13) on the lateral wall between drip chamber (3), stagnant water clamp (13) are including pressing portion (14) and setting and pressing the portion of pressing (14) both sides stagnant and are protruding (15), and two stagnant water are protruding (15) to deviate from press the portion of pressing (14) the tip all with flexible pipe (1) are inconsistent.

5. The multifunctional infusion set according to claim 4, wherein: the top of the pressing part (14) extends upwards to form a connecting part (16), and the connecting part (16) is wound on the outer side wall of the hose (1).

6. The multifunctional infusion set according to claim 1, characterized in that: the end part of the hose (1) far away from the bottle stopper puncture outfit (2) is provided with an outer cone joint (17), and the intravenous infusion needle (5) is inserted into the outer cone joint (17).