CN217772898U

CN217772898U - Closed infusion device

Info

Publication number: CN217772898U
Application number: CN202122601950.8U
Authority: CN
Inventors: 成威; 赵继龙; 田晓雷
Original assignee: Shandong Ande Medical Supplies Co ltd
Current assignee: Shandong Ande Medical Supplies Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-11-11
Anticipated expiration: 2031-10-27

Abstract

The utility model belongs to liquid medicine infusion field relates to a closed transfusion system, including bottle plug puncture ware, the needle file liquid outlet intercommunication infusion pipeline one's of bottle plug puncture ware one end, the other end of infusion pipeline one passes through the burette and connects the dropping funnel, and the one end of dropping funnel bottom intercommunication infusion pipeline two still is provided with flow regulator and liquid medicine filter on the infusion pipeline two, and needle file one side of bottle plug puncture ware is equipped with air inlet device, its characterized in that: the other end of the second infusion pipeline is connected with a second airtight joint, a first airtight joint is arranged on the other side of the needle seat of the bottle stopper puncture outfit, the first airtight joint is communicated with a second liquid port in the top of the needle tube through a second liquid channel arranged in the needle seat of the bottle stopper puncture outfit and the needle tube, and the first airtight joint and the second airtight joint can be matched in a plugging mode. The utility model discloses can realize that the liquid medicine is exhaust and infusion under the totally enclosed environment, avoid liquid medicine and air or human direct contact, effectively avoid dangerous medicine to leak and cause the injury to the human body.

Description

Closed infusion device

Technical Field

The utility model relates to a closed transfusion system belongs to liquid medicine infusion field.

Background

Use ordinary transfusion system to infuse the medicine in the ward of hospital at present, because the terminal outer cone joint of ordinary infusion apparatus is non-closed structure, when the transfusion system carried out the exhaust operation, there was the liquid medicine to discharge from the terminal outer cone joint of apparatus, caused the liquid medicine to leak and the liquid medicine is extravagant, simultaneously, microorganism and tiny particle in the ward environment can contact with the liquid medicine at outer cone joint position, caused the pollution of liquid medicine. The leakage of the medicine can cause the existence of medicine aerosol in the ward environment, threatens the health of medical staff, patients, nursing staff and other staff in the ward, and particularly causes more harm to human bodies due to the leakage of dangerous medicines such as anti-tumor medicines.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the closed infusion apparatus is used for realizing infusion of liquid medicine in a fully-closed environment, avoiding direct contact of the liquid medicine with air or a human body and effectively avoiding damage to the human body caused by leakage of dangerous medicines.

Closed transfusion system, including the bottle plug puncture ware, the needle file liquid outlet of bottle plug puncture ware communicates the one end of infusion pipeline one, the other end of infusion pipeline one passes through the burette and connects the dropping funnel, the one end of dropping funnel bottom intercommunication infusion pipeline two, still be provided with flow regulator and liquid medicine filter on the infusion pipeline two, needle file one side of bottle plug puncture ware is equipped with air inlet device, air inlet device communicates the gas outlet at needle tubing top through the gas passage that sets up in needle file and the needle tubing of bottle plug puncture ware, the other end of infusion pipeline two is connected with the airtight joint of second, the needle file opposite side of bottle plug puncture ware is equipped with first airtight joint, first airtight joint is through the second liquid mouth at second liquid passage intercommunication top that sets up in needle file and the needle tubing of bottle plug puncture ware, the cooperation of can pegging graft of first airtight joint and second airtight joint needle tubing.

The first infusion pipeline is communicated with a first liquid port at the top of the needle tube through a needle seat arranged on the bottle stopper puncture outfit and a first liquid channel in the needle tube, and a protective sleeve is arranged on the periphery of the needle tube of the bottle stopper puncture outfit; the first closed joint and the second closed joint can be connected in a plugging and matching way. Before infusion, the infusion apparatus needs to be subjected to exhaust operation, the flow regulator is closed, the protective sleeve is pulled off, the bottle plug puncture outfit is vertically punctured into the infusion bag or the infusion bottle filled with the liquid medicine, the infusion bag or the infusion bottle is hung upside down, the dropping funnel is squeezed, the liquid medicine enters the dropping funnel through the bottle plug puncture outfit, the infusion pipeline I and the dropping pipe, when the liquid medicine is filled in more than half of the volume of the dropping funnel, the second sealing joint is communicated with the first sealing joint in a matched mode, the flow regulator is opened, the liquid medicine enters the infusion bag or the infusion bottle through the infusion pipeline II, the liquid medicine filter, the second sealing joint, the first sealing joint, the second liquid channel and the second liquid port, and meanwhile, residual gas also enters the infusion bag or the infusion bottle, the flow regulator is closed, the second sealing joint is separated from the first sealing joint, and the exhaust operation is completed; after the exhaust operation is finished, the second closed joint is matched with the needleless connector on the indwelling needle or other instruments to carry out liquid medicine infusion, and after the liquid medicine infusion is finished, the second closed joint is separated from the needleless connector on the indwelling needle or other instruments. In the exhaust process, the liquid medicine and the gas enter the infusion bag or the infusion bottle at the same time, and the process is carried out in a fully-closed environment, no liquid medicine leaks into the air, direct contact with personnel after dangerous medicines leak is effectively avoided, and the personnel are prevented from being injured.

Preferably, the first closed joint is a closed inner conical joint, the closed inner conical joint comprises an inner conical joint shell, an elastic sealing valve is arranged in a joint inner cavity of the inner conical joint shell, the head end of the elastic sealing valve is provided with a straight partition, a cavity at the tail part of the elastic sealing valve is communicated with the second liquid channel, and the periphery of the connecting end of the inner conical joint shell is provided with connecting threads; the second hermetic joint is a hermetic external cone joint. The closed outer cone joint can be a joint with the model specification of 12C009 of Taiwan Qi Feng plastic company Limited, and the like, an elastic sealing element is arranged in the inner cavity of the joint, the joint is in a closed state when not in use, when in use, the closed inner cone joint is connected with the closed outer cone joint through a threaded structure, the communicating end of the closed outer cone joint is inserted into the elastic sealing valve through linear cutting, and the closed inner cone joint is communicated with the closed outer cone joint; when the closed outer cone joint is separated from the needle-free connecting piece on the indwelling needle or other instruments, the elastic piece inside the closed outer cone joint automatically rebounds to close the liquid passage, so that the joint is in a closed state, and the problem of leakage of residual liquid medicine inside the joint can be solved.

Preferably, a first flow stopping clamp is additionally arranged on the first infusion pipeline, and a second flow stopping clamp is additionally arranged on a second infusion pipeline between the second closed joint and the liquid medicine filter. The first infusion pipeline and the second infusion pipeline can be closed in time, the operation is simple, and the closing is more convenient and reliable than the closing of a flow control regulator.

Preferably, the periphery of the second airtight joint is provided with a protective cap for protecting the second airtight joint.

Compared with the prior art, the utility model the beneficial effect who has is:

the utility model has the advantages of reasonable design, can realize that the liquid medicine is exhaust and infusion under totally enclosed environment, avoid liquid medicine and air or human direct contact, effectively avoid dangerous medicine to leak and cause the injury to the human body.

Drawings

FIG. 1 is a schematic diagram of a closed infusion set;

FIG. 2 is a perspective view of the stopper piercer;

FIG. 3 is a front view of the stopper piercer;

FIG. 4 isbase:Sub>A sectional view A-A;

FIG. 5 is a left side elevational view of the stopper piercer;

FIG. 6 is a sectional view B-B;

FIG. 7 is a first exhaust state diagram of the closed infusion apparatus;

fig. 8 is a second exhaust state diagram of the closed infusion set.

In the figure: 1. a first hermetic joint; 2. a protective sleeve; 3. a needle tube; 4. an air intake device; 5. a bottle stopper puncture outfit; 6. a first infusion pipeline; 7. a first flow stopping clamp; 8. a dropper; 9. a dropping funnel; 10. a flow regulator; 11. a protective cap; 12. a second hermetic joint; 13. a second flow stopping clamp; 14. a liquid medicine filter; 15. a second infusion pipeline; 16. a gas outlet; 17. a first liquid port; 18. a second liquid port; 19. a first liquid channel; 20. a second liquid passage; 21. a gas channel; 22. A needle seat; 23. an infusion bag or bottle; 24. an infusion pump; 25. an inner conical joint housing; 26. an elastic sealing valve member; 27. and (5) dividing a word.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1-8, closed transfusion system, including bottle plug puncture outfit 5, the needle file 22 liquid outlet of bottle plug puncture outfit 5 communicates the one end of transfusion pipeline one 6, the other end of transfusion pipeline one 6 passes through burette 8 and connects drip chamber 9, the one end of drip chamber 9 bottom intercommunication transfusion pipeline two 15, still be provided with flow regulator 10 and liquid medicine filter 14 on the transfusion pipeline two 15, needle file 22 one side of bottle plug puncture outfit 5 is equipped with air inlet device 4, air inlet device 4 communicates the gas outlet 16 at 3 tops of needle tubing through the gas passage 21 that sets up in needle file 22 of bottle plug puncture outfit 5 and needle tubing 3, the other end of transfusion pipeline two 15 is connected with second airtight joint 12, needle file 22 opposite side of bottle plug puncture outfit 5 is equipped with first airtight joint 1, first airtight joint 1 can connect the cooperation through the second airtight liquid mouth 18 at 3 tops of second liquid passage 20 intercommunication needle tubing in needle file 22 and the needle tubing 3 of bottle plug puncture outfit 5 through setting up, first airtight joint 1 and second airtight joint 12 can peg joint.

In this embodiment:

the first closed joint 1 is a closed inner conical joint, the closed inner conical joint comprises an inner conical joint shell 25, an elastic sealing valve 26 is arranged in a joint inner cavity of the inner conical joint shell 25, a straight line partition 27 is arranged at the head end of the elastic sealing valve 26, a cavity at the tail part of the elastic sealing valve 26 is communicated with the second liquid channel 20, and a connecting thread is arranged on the periphery of the connecting end of the inner conical joint shell 25; the second airtight joint 12 is an airtight external cone joint. The closed outer cone joint can be a joint with the model specification of Taiwan Qi Feng plastic company Limited being 12C009, and the inner cavity of the joint is provided with an elastic sealing element, the joint is in a closed state when not in use, the closed inner cone joint is connected with the closed outer cone joint through a thread structure when in use, the communicating end of the closed outer cone joint is inserted into the elastic sealing valve 26 through a straight line segmentation 27, and the closed inner cone joint is communicated with the closed outer cone joint. When the closed outer cone joint is separated from the needle-free connecting piece on the indwelling needle or other instruments, the elastic piece inside the closed outer cone joint automatically rebounds to close the liquid passage, so that the joint is in a closed state, and the problem of leakage of residual liquid medicine inside the joint can be solved.

The first flow stopping clamp 7 is additionally arranged on the first infusion pipeline 6, the second flow stopping clamp 13 is additionally arranged on the second infusion pipeline 15 between the second closed joint 12 and the liquid medicine filter 14, the first infusion pipeline 6 and the second infusion pipeline 15 can be closed in time, and the flow stopping device is easy to operate and more convenient and reliable to close than the flow control regulator 10. A protective cap 11 is arranged on the periphery of the second airtight joint 12 to protect the second airtight joint 12.

The first infusion pipeline 6 is communicated with a first liquid port 17 at the top of the needle tube 3 through a needle seat 22 arranged on the bottle stopper puncture outfit 5 and a first liquid channel 19 in the needle tube 3, and a protective sleeve is arranged on the periphery of the needle tube 3 of the bottle stopper puncture outfit 5; the first closed joint 1 and the second closed joint 12 can be connected in a plugging fit mode. Before infusion, the infusion apparatus needs to be exhausted, the flow regulator 10 is closed, the protective sleeve is pulled off, the bottle stopper puncture outfit 5 is vertically punctured into an infusion bag or an infusion bottle 23 filled with liquid medicine, the infusion bag or the infusion bottle 23 is hung upside down, the dropping funnel 9 is squeezed, the liquid medicine enters the dropping funnel 9 through the bottle stopper puncture outfit 5, the infusion pipeline I6 and the dropper 8, when the liquid medicine is filled in more than half of the volume of the dropping funnel 9, the protective cap 11 on the periphery of the second sealing joint 12 at the tail end of the infusion apparatus is pulled off, and the second sealing joint 12 is communicated with the first sealing joint 1 in a matched mode; there are two ways of opening the demand regulator 10 to achieve venting, as described below,

the first method is as follows: as shown in fig. 8, the infusion apparatus and an infusion bag or an infusion bottle 23 form a certain oblique angle α, two sides of a communication part of the second sealed joint 12 and the first sealed joint 1 form a U-shaped communicator, a liquid medicine enters the infusion bag or the infusion bottle 23 through an infusion pipeline two 15, a liquid medicine filter 14, the second sealed joint 12, the first sealed joint 1, the second liquid passage 20 and the second liquid port 18, meanwhile, residual gas in the infusion apparatus also enters the infusion bag or the infusion bottle 23, the flow regulator 10 is closed, the second sealed joint 12 is separated from the first sealed joint 1, and the exhaust operation of the infusion apparatus is completed;

the second method comprises the following steps: as shown in fig. 7, the infusion tube two 15 is embedded into the infusion pump 24 or other peristaltic pumps, the flow regulator 10 is opened, the infusion pump 24 or other peristaltic pumps is started, under the action of the infusion pump 24 or other peristaltic pumps, the liquid medicine enters the infusion bag or infusion bottle 23 through the infusion tube two 15, the liquid medicine filter 14, the second sealing joint 12, the first sealing joint 1, the second liquid passage 20 and the second liquid port 18, residual gas in the infusion bag or infusion bottle 23 also enters the infusion bag or infusion bottle 23, the infusion pump 24 or other peristaltic pumps is closed, the flow regulator 10 is closed, the second sealing joint 12 is separated from the first sealing joint 1, and the air exhaust operation of the infusion set is completed;

after the air exhaust operation is finished, the second closed joint 12 is matched with a needleless connector on an indwelling needle or other apparatuses to carry out liquid medicine infusion, and after the liquid medicine infusion is finished, the second closed joint 12 is separated from the needleless connector on the indwelling needle or other apparatuses. In the exhaust process, the liquid medicine and the gas enter the infusion bag or the infusion bottle 23 at the same time, and the process is carried out in a totally-enclosed environment, so that the liquid medicine is not leaked into the air, the direct contact with personnel after the leakage of dangerous medicines is effectively avoided, and the personnel are prevented from being injured.

Claims

1. The utility model provides a closed transfusion system, including bottle stopper puncture ware (5), the needle file (22) liquid outlet intercommunication infusion pipeline one (6) of bottle stopper puncture ware (5) one end, drip chamber (9) are passed through burette (8) to the other end of infusion pipeline one (6), the one end of drip chamber (9) bottom intercommunication infusion pipeline two (15), still be provided with flow regulator (10) and liquid medicine filter (14) on infusion pipeline two (15), needle file (22) one side of bottle stopper puncture ware (5) is equipped with air inlet device (4), air inlet device (4) are through setting up gas outlet (16) at gas passage (21) intercommunication needle tubing (3) top in needle file (22) and needle tubing (3) of bottle stopper puncture ware (5), its characterized in that: the other end of the infusion pipeline II (15) is connected with a second airtight joint (12), the other side of a needle seat (22) of the bottle stopper puncture device (5) is provided with a first airtight joint (1), the first airtight joint (1) is communicated with a second liquid port (18) at the top of the needle tube (3) through a second liquid channel (20) arranged in the needle seat (22) of the bottle stopper puncture device (5) and the needle tube (3), and the first airtight joint (1) and the second airtight joint (12) can be matched in a plugging mode.

2. The closed infusion set according to claim 1, wherein: the first closed joint (1) is a closed inner conical joint, the closed inner conical joint comprises an inner conical joint shell (25), an elastic sealing valve piece (26) is arranged in a joint inner cavity of the inner conical joint shell (25), the head end of the elastic sealing valve piece (26) is provided with a straight partition (27), a tail cavity of the elastic sealing valve piece (26) is communicated with the second liquid channel (20), and the periphery of the connecting end of the inner conical joint shell (25) is provided with connecting threads; the second hermetic joint (12) is a hermetic external cone joint.

3. The closed infusion set according to claim 1, wherein: a first flow stopping clamp (7) is additionally arranged on the first infusion pipeline (6), and a second flow stopping clamp (13) is additionally arranged on a second infusion pipeline (15) between the second closed joint (12) and the liquid medicine filter (14).

4. The closed infusion set according to claim 1 or 2, wherein: the periphery of the second airtight joint (12) is provided with a protective cap (11).