CN209847985U - Automatic exhaust and automatic liquid stopping infusion apparatus - Google Patents

Abstract

The utility model discloses an automatic exhaust automatic liquid-stopping transfusion system, including bottle plug puncture ware, the dropping funnel, flow regulator, the infusion pipe, venous transfusion needle and three-in-one ware, three-in-one ware includes three-in-one ware upper cover, cylindrical three-in-one ware body and three-in-one ware lower cover, arch lid middle part is equipped with the feed liquor pipe, be provided with the blast pipe between three-in-one ware upper cover edge and the feed liquor pipe, the bottom is equipped with filtration membrane mount pad in the lower lid, be equipped with the pressure firmware between three-in-one ware and the three-in-one ware lower cover, the middle part of pressure firmware is equipped with the lumen, be equipped with the catheter between lumen and the pressure firmware, the pressure firmware bottom is ascending arch, be equipped with liquid medicine filtration membrane between the filtration membrane mount pad of pressure firmware and three-. The utility model discloses need not artifical extrusion triplexer and can realize self-bleeding to can prevent effectively that blood from flowing back or gaseous entering patient is internal, alleviate medical personnel, patient and patient family members' heavy mental burden.

Description

Automatic exhaust and automatic liquid stopping infusion apparatus

Technical Field

The invention relates to the field of medical instruments, in particular to an automatic exhaust and automatic liquid stopping infusion apparatus.

Background

At present, when clinical venous transfusion is carried out in the medical field, a disposable transfusion device is generally adopted, and the transfusion device has the following problems in the use process: when a common infusion apparatus is used for infusion, the liquid medicine is introduced into the three-way device by manual squeezing, the gas in the three-way device and the infusion catheter is difficult, complicated and time-consuming to remove, and if bubbles cannot be well removed, the bubbles enter the body of a patient along with the liquid medicine, so that the danger of air embolism and the like is easily caused. After the infusion is finished, because the automatic liquid stopping function is not provided, medical staff need to replace an infusion bottle or pull out an infusion needle in time, otherwise air can enter the body of a patient to cause air embolism or other unsafe factors such as blood return and the like, the working strength and the heavy mental burden of the medical staff can be directly increased, and meanwhile, serious consequences can be caused when the medical staff face emergency infusion and rescue a sick and dangerous patient.

Therefore, in order to solve the above problems, it is important to realize automatic air exhaust and automatic liquid stopping during the clinical infusion.

SUMMERY OF THE UTILITY MODEL

The invention aims to overcome the defects of the prior art, is suitable for practical requirements, and discloses an automatic exhaust and automatic liquid stopping infusion set.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an automatic exhaust and automatic liquid stopping infusion apparatus comprises a bottle stopper puncture outfit, a dropping funnel, a flow regulator, an infusion catheter and an intravenous infusion needle, wherein the bottle stopper puncture outfit, the dropping funnel, the flow regulator and the intravenous infusion needle are connected through the infusion catheter, a triplexer is arranged on the infusion catheter at the lower part of the dropping funnel, the triplexer comprises a triplexer upper cover, a cylindrical triplexer body and a triplexer lower cover, the triplexer upper cover and the triplexer body are integrated injection molding parts, an upward arched cover is arranged in the middle of the triplexer upper cover, a liquid inlet pipe is arranged in the middle of the arched cover, an exhaust pipe is arranged between the edge of the triplexer upper cover and the liquid inlet pipe, the triplexer lower cover comprises a lower cover body, a downward arched bottom and a liquid outlet pipe, the lower cover body, the arched bottom and the liquid outlet pipe are integrated injection molding parts, a filter membrane mounting base is arranged at the bottom of the lower cover body, and an inner fixing part is arranged between the, the pressure firmware includes ring and lower ring, go up ring and ring injection molding as an organic whole down, the middle part of pressure firmware is equipped with the lumen, the lumen is located the feed liquor pipe under, be equipped with the catheter between lumen and the pressure firmware, the pressure firmware bottom is ascending arch, be provided with liquid medicine filtration membrane between the filtration membrane mount pad of pressure firmware and triplex ware lower cover, the exhaust plug is installed to the nested vent-plug in the blast pipe, be provided with filtration membrane between blast pipe and the exhaust plug.

Further, the diameter of the upper ring is larger than that of the lower ring.

Further, a space is arranged between the liquid inlet pipe and the exhaust pipe, and the space is 0.5-1 mm.

Further, the pipe cavity and the catheter are an integrated injection molding part, and the height of the pipe cavity is higher than that of the catheter.

Furthermore, the filtering membrane mounting seat is ribs which are arranged around the liquid discharge pipe at equal intervals.

Furthermore, an upper clamping groove is formed in the middle of the inner wall of the triplexer body, an upper clamping rib is arranged in the middle of the outer wall of an upper ring of the pressing and fixing piece, the upper clamping groove is matched with the lower clamping rib, a lower clamping groove is formed in the middle of the inner wall of the lower cover body, a lower clamping rib is arranged in the middle of the outer wall of a lower ring of the pressing and fixing piece, and the lower clamping groove is matched with the lower clamping rib.

Further, the air filtering membrane is a hydrophobic filtering membrane, and the liquid medicine filtering membrane is a hydrophilic filtering membrane.

Furthermore, the lower part of the infusion catheter is provided with an outer cone joint which is connected with an infusion needle seat in an embedded manner, and the infusion needle seat is connected with an intravenous infusion needle.

Furthermore, a bottle stopper puncture outfit protective sleeve is arranged outside the bottle stopper puncture outfit, and an air filter is arranged on the lower portion of the bottle stopper puncture outfit.

Compared with the prior art, the invention has the beneficial effects that: (1) the three-in-one machine has the functions of exhausting, stopping liquid and filtering, the upper cover and the body of the three-in-one machine are integrally injection molded, the pressing and fixing piece and the lower cover of the three-in-one machine adopt a modular design, the structure is simple, and the assembly is convenient;

(2) the automatic exhaust is realized, the manual extrusion of the three-in-one device is not needed, the complicated procedures of the existing infusion apparatus are reduced, and the labor intensity of medical care personnel is reduced;

(3) the automatic liquid stopping function can be realized for the liquid medicine in the infusion catheter, the blood backflow or the gas entering into the body of the patient can be effectively prevented, and the heavy mental burden of medical care personnel, the patient and the family members of the patient can be relieved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a triplexer of the present invention;

FIG. 3 is a schematic structural diagram of the upper cover and the triplexer of the present invention;

FIG. 4 is a schematic top view of the upper lid of the triplexer of the present invention;

FIG. 5 is a schematic view of the structure of the fastener of the present invention;

FIG. 6 is a schematic top view of the fastener of the present invention;

FIG. 7 is a schematic structural diagram of a lower cover of the triplexer of the present invention;

FIG. 8 is a schematic top view of a bottom cover of the triplexer of the present invention;

FIG. 9 is a schematic view of part A of the present invention;

FIG. 10 is a schematic view of part B of the present invention;

in the figure: 1. the upper cover of the three-in-one machine; 2. a liquid inlet pipe; 3. an exhaust pipe; 4. a triplexer body; 5. an upper clamping groove; 51. clamping ribs are arranged; 6. an arched cover; 7. a lower cover of the three-in-one device; 8. a lower cover body; 9. an arched bottom; 10. a liquid discharge pipe; 11. a filter membrane mounting base; 12. pressing and fixing the parts; 13. a lower circular ring; 14. a lumen; 15. a catheter; 16. an upper circular ring; 17. a vent plug; 18. an air filtration membrane; 19. filtering the liquid medicine by a membrane; 20. a lower clamping groove; 201. lower clamping ribs; 21. a bottle stopper puncture outfit; 211. a protective sleeve of the bottle stopper puncture outfit; 22. an air filter; 23. an infusion catheter; 24. a flow regulator; 25. a dropping funnel; 26. an outer cone joint; 27. a transfusion needle stand; 28. an intravenous infusion needle.

Detailed Description

The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not constitute a limitation of the right thereto.

As shown in fig. 1-9, an automatic exhaust and automatic liquid stopping infusion apparatus comprises a bottle stopper puncture outfit 21, a dropping funnel 23, a flow regulator 24, an infusion catheter 23 and an intravenous infusion needle 28, wherein the bottle stopper puncture outfit 21, the dropping funnel 23, the flow regulator 24 and the intravenous infusion needle 28 are connected through the infusion catheter 23, a triplexer is arranged on the infusion catheter 23 at the lower part of the dropping funnel 25, the triplexer comprises a triplexer upper cover 1, a cylindrical triplexer body 4 and a triplexer lower cover 7, the triplexer upper cover 1 and the triplexer body 4 are an integrated injection molding part, an upward arched cover 6 is arranged in the middle of the triplexer upper cover 1, a liquid inlet pipe 2 is arranged in the middle of the arched cover 6, an exhaust pipe 3 is arranged between the edge of the triplexer upper cover 1 and the liquid inlet pipe 2, a space is arranged between the liquid inlet pipe 2 and the exhaust pipe 3, the space is 0.5-1mm, and the triplexer lower cover 7 comprises a lower cover, A downward arched bottom 9 and a liquid discharge pipe 10, wherein the lower cover body 8, the arched bottom 9 and the liquid discharge pipe 10 are an integrated injection molding piece, a filtering membrane mounting seat 11 is arranged at the bottom in the lower cover body 8, a pressing piece 12 is arranged between the triplexer body 4 and the triplexer lower cover 7, the pressing piece 12 comprises an upper circular ring 16 and a lower circular ring 13, the diameter of the upper circular ring 16 is larger than that of the lower circular ring 13, the upper circular ring 16 and the lower circular ring 13 are an integrated injection molding piece, the height of the pipe cavity 14 is higher than that of the liquid guide pipe 15, a pipe cavity 14 is arranged in the middle of the pressing piece 12, the pipe cavity 14 is positioned right below the liquid inlet pipe 2, a liquid guide pipe 15 is arranged between the pipe cavity 14 and the pressing piece 12, the pipe cavity 14 and the liquid guide pipe 15 are an integrated injection molding piece, the bottom of the pressing piece 12 is upward arched, a liquid medicine 19 is arranged between the pressing piece 12 and the filtering membrane mounting seat 11, the liquid medicine filtering membrane 19 is a hydrophilic filtering membrane, the exhaust plug 17 is nested in the exhaust pipe 3, an air filtering membrane 18 is arranged between the exhaust pipe 3 and the exhaust plug 17, and the air filtering membrane 18 is a hydrophobic filtering membrane.

Preferably, the filtering membrane mounting seat 11 is a rib arranged around the drain pipe 10 at equal intervals; an upper clamping groove 5 is formed in the middle of the inner wall of the triplexer body 4, an upper clamping rib 51 is formed in the middle of the outer wall of the upper ring 16 of the pressing and fixing piece 12, the upper clamping groove 5 is matched with the lower clamping rib 201, and when the triplexer is assembled in the embodiment, the upper ring 16 is just completely nested into the triplexer body 4; a lower clamping groove 20 is formed in the middle of the inner wall of the lower cover body 8, a lower clamping rib 201 is formed in the middle of the outer wall of the lower ring 13 of the pressing and fixing part 12, the lower clamping groove 20 is matched with the lower clamping rib 201, and when the three-in-one device is assembled, the lower ring 13 is just completely embedded into the lower cover body 8 of the lower cover 7 of the three-in-one device; the lower part of the infusion catheter 23 is provided with an outer conical joint 26, the outer conical joint 26 is connected with an infusion needle seat 27 in an embedded mode, and the infusion needle seat 27 is connected with an intravenous infusion needle 28; the outside of the bottle stopper puncture outfit 21 is provided with a bottle stopper puncture outfit protective sleeve 211, and the lower part of the bottle stopper puncture outfit 21 is provided with an air filter 22.

The working principle is as follows: when the device is used, the protective sleeve 211 of the bottle stopper puncture outfit is pulled out, the bottle stopper puncture outfit 21 is inserted into an infusion bag or an infusion bottle, then the air in the infusion catheter 23 and the dropping funnel 25 is exhausted, the flow regulator 24 is arranged at the closed position, the needle head of the intravenous infusion needle 28 punctures the venous blood vessel of a patient, then the flow regulator 24 is regulated to the required dropping speed position, and the dropping state can be observed from the dropping funnel 25; at the moment, the liquid medicine in the bottle is dripped into the tube cavity 14 of the pressure fixing part 12 positioned in the three-in-one device 2 through the liquid inlet pipe 2 of the upper cover 1 of the three-in-one device, and only the liquid medicine is allowed to pass through but not allowed to pass through gas because the medicine filtering membrane 19 is a hydrophilic filtering membrane, and along with the continuous inflow of the liquid medicine, when the liquid medicine overflows from the tube cavity 14, the liquid level of the liquid medicine continuously rises from the bottom of the pressure fixing part 12, and the gas in the three-in-one device 4 is forced to pass through the air filtering membrane 18 to be discharged out of the exhaust pipe; continuously dropping liquid, wherein the liquid level of the liquid medicine is continuously raised, the liquid level of the liquid medicine submerges the liquid guide tube 15, the liquid medicine can enter from the tube opening at the upper end of the liquid guide tube 15, and after being filtered by the liquid medicine filtering membrane 19, the liquid medicine enters into a human body after flowing through the flow regulator 24 and the intravenous infusion needle 28 through the infusion guide tube 23; when the liquid medicine is completely infused, because the height of the tube cavity 14 is higher than that of the liquid guide tube 15, the liquid level of the liquid medicine in the three-way device 4 continuously drops to a position between the inlet of the tube cavity 14 and the inlet of the liquid guide tube 15, after the liquid medicine in the tube cavity 14 is completely discharged, because the medicine filtering film 19 is a hydrophilic filtering film, air can not pass through, at the moment, the liquid medicine in the liquid guide tube 15 can not drop, and a liquid seal is formed in the three-way device 4, thereby achieving the purpose of automatically stopping the liquid.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides an automatic exhaust automatic liquid infusion ware that ends, includes bottle stopper puncture ware (21), dropping funnel (25), flow regulator (24), infusion pipe (23), venous transfusion needle (28), bottle stopper puncture ware (21), dropping funnel (25), flow regulator (24) and venous transfusion needle (28) are connected its characterized in that through infusion pipe (23): a triplexer is arranged on a transfusion guide pipe (23) at the lower part of the dropping funnel (25), the triplexer comprises a triplexer upper cover (1), a cylindrical triplexer body (4) and a triplexer lower cover (7), the triplexer upper cover (1) and the triplexer body (4) are integrated into an injection molding piece, an upward arched cover (6) is arranged in the middle of the triplexer upper cover (1), a liquid inlet pipe (2) is arranged in the middle of the arched cover (6), an exhaust pipe (3) is arranged between the edge of the triplexer upper cover (1) and the liquid inlet pipe (2), the triplexer lower cover (7) comprises a lower cover body (8), a downward arched bottom (9) and a liquid outlet pipe (10), the lower cover body (8), the arched bottom (9) and the liquid outlet pipe (10) are integrated into an injection molding piece, a filtering membrane mounting seat (11) is arranged at the inner bottom of the lower cover body (8), and a pressing piece (12) is arranged between the triplexer body (4) and the triplexer lower cover, the pressure firmware (12) include ring (16) and lower ring (13), go up ring (16) and lower ring (13) injection molding as an organic whole, the middle part of pressure firmware (12) is equipped with lumen (14), lumen (14) are located feed liquor pipe (2) under, be equipped with catheter (15) between lumen (14) and pressure firmware (12), pressure firmware (12) bottom is ascending arch, be provided with liquid medicine filtration membrane (19) between pressure firmware (12) and filtration membrane mount pad (11) of triplexer lower cover (7), nested exhaust plug (17) of installing in blast pipe (3), be provided with air filtration membrane (18) between blast pipe (3) and exhaust plug (17).

2. The automatic exhaust and automatic liquid stopping infusion set according to claim 1, characterized in that: the diameter of the upper circular ring (16) is larger than that of the lower circular ring (13).

3. The automatic exhaust and automatic liquid stopping infusion set according to claim 2, characterized in that: a space is arranged between the liquid inlet pipe (2) and the exhaust pipe (3), and the space is 0.5-1 mm.

4. The automatic exhaust and automatic liquid stopping infusion set according to claim 3, characterized in that: the pipe cavity (14) and the liquid guide pipe (15) are an integral injection molding part, and the height of the pipe cavity (14) is higher than that of the liquid guide pipe (15).

5. The automatic exhaust and automatic liquid stopping infusion set according to claim 4, characterized in that: the filtering membrane mounting seat (11) is ribs which are arranged around the liquid discharge pipe (10) at equal intervals.

6. The automatic exhaust and automatic liquid stopping infusion set according to claim 5, characterized in that: an upper clamping groove (5) is formed in the middle of the inner wall of the three-way coupler body (4), an upper clamping rib (51) is arranged in the middle of the outer wall of an upper circular ring (16) of the pressing and fixing piece (12), and the upper clamping groove (5) is matched with the lower clamping rib (201).

7. The automatic exhaust and automatic liquid stopping infusion set according to claim 6, characterized in that: lower draw-in groove (20) are equipped with down in the middle part of lower lid (8) inner wall, lower ring (13) outer wall middle part of pressure firmware (12) is equipped with down card muscle (201), draw-in groove (20) and lower card muscle (201) looks adaptation down.

8. The automatic exhaust and automatic liquid stopping infusion set according to claim 7, characterized in that: the air filtering membrane (18) is a hydrophobic filtering membrane, and the liquid medicine filtering membrane (19) is a hydrophilic filtering membrane.

9. The automatic exhaust and automatic liquid stopping infusion set according to claim 1, characterized in that: the infusion catheter (23) lower part is provided with outer cone joint (26), outer cone joint (26) nested connection has infusion needle file (27), infusion needle file (27) are connected with venous transfusion needle (28).

10. The automatic exhaust and automatic liquid stopping infusion set according to claim 1, characterized in that: the outside of bottle stopper puncture ware (21) is provided with bottle stopper puncture ware protective sheath (211), bottle stopper puncture ware (21) lower part is provided with air cleaner (22).