CN213031496U

CN213031496U - Anti-backflow infusion apparatus

Info

Publication number: CN213031496U
Application number: CN202020609725.1U
Authority: CN
Inventors: 李金良; 兰百龙; 张万平
Original assignee: Heilongjiang Shenghua Medical Equipment Co ltd
Current assignee: Heilongjiang Shenghua Medical Equipment Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-04-23
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses an anti-backflow infusion apparatus, which comprises a first infusion tube, wherein a flow controller is sleeved outside the first infusion tube, an infusion needle is arranged on one side of the top of the first infusion tube, an anti-backflow tube is arranged on one side of the top of the first infusion tube, which is far away from the infusion needle, a circular ring is arranged at the top of the inner side of the anti-backflow tube, a liquid inlet channel is arranged at the middle position of the top of the circular ring, first chutes are symmetrically arranged on two sides of the interior of the anti-backflow tube, and sliding blocks are arranged in the two groups of first chutes in a sliding manner; the utility model discloses the device is provided with anti-reflux device through the transfusion system, can effectually prevent the palirrhea of liquid medicine, reduces the misery that brings because of palirrhea to the patient, is provided with clamping device in the junction of puncture pipe and infusion bottle simultaneously, can effectually consolidate the transfusion system, can prevent that the transfer line from leading to dropping because of external force or certain reason, reduces the pain of bringing the patient.

Description

Anti-backflow infusion apparatus

Technical Field

The utility model relates to the technical field of infusion apparatus, in particular to a backflow prevention infusion apparatus.

Background

A common medical consumable of an infusion apparatus is used for intravenous infusion by establishing a channel between a vein and liquid medicine through aseptic processing, and generally comprises eight parts of a vein needle or an injection needle, a needle head protective cap, an infusion 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 infusion apparatus also comprises an injection part, a medicine adding port and the like;

however, the following problems arise when using an infusion set:

1. after the liquid medicine is conveyed, if the phenomenon of blood return is found out not to be timely, the liquid flows back, and pain and injury are brought to a patient;

2. when the patient need remove, often can take the infusion bottle to remove, but the in-process that removes again, often the puncture pipe drops from the inside of infusion bottle, leads to dropping of transfer line to the pollution of needle tubing, waiting to expect pain to the patient simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent transfusion system that backflows to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-backflow infusion apparatus comprises a first infusion tube, wherein a flow controller is sleeved on the outer side of the first infusion tube, an infusion needle is arranged on one side of the top of the first infusion tube, an anti-backflow tube is arranged on one side, away from the infusion needle, of the top of the first infusion tube, a circular ring is arranged at the top of the inner side of the anti-backflow tube, a liquid inlet channel is arranged at the middle position of the top of the circular ring, first sliding grooves are symmetrically arranged on two sides of the inside of the anti-backflow tube, sliding blocks are arranged inside the first sliding grooves in a sliding mode, sliding sleeves are arranged on one sides, close to each other, of the two sliding blocks in a sliding mode, rubber plugs are arranged at the tops of the sliding sleeves, supporting rods are arranged at the bottoms of the two sides of the inner side of the anti-backflow tube, the top of the anti-reflux pipe is provided with a first connecting pipe, the top of the first connecting pipe is provided with a dropper, the middle position of the top of the dropper is provided with a second connecting pipe, the bottom of one side of the second connecting pipe, which is close to the infusion needle, is provided with an air inlet, the tops of the two sides of the second connecting pipe are symmetrically provided with sleeves, one side of the two groups of sleeves, which is close to each other, is provided with a second spring, one side of the two groups of second springs, which is far away from each other, is provided with a second rack, the top of the second connecting pipe is provided with a tightening ring, the middle position of the top of the tightening ring is provided with a puncture needle, the two sides of the top of the tightening ring are symmetrically provided with second chutes, the interiors of the two groups of second chutes are provided with buckles in a sliding manner, the bottoms of the, two ends of the interior of the Contraband template are provided with gears which are meshed with the second rack and the gear respectively.

Preferably, the top of one side, close to each other, of each buckle is of a circular arc structure.

Preferably, the first rack is located inside the Contraband template, and the first rack is meshed with the gear.

Preferably, one side of the second rack close to the second connecting pipe is provided with a limiting block, and the limiting block is fixedly connected with the second spring.

Preferably, the first spring is located inside the sliding sleeve, and the top and the bottom of the first spring are respectively and fixedly connected with the sliding sleeve and the sliding rod.

Preferably, one side of the transfusion needle, which is far away from the puncture needle, is provided with a push handle, and the outer side of the push handle is provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-reflux infusion apparatus is provided with the anti-reflux device through the infusion apparatus, so that the reflux of the liquid medicine can be effectively prevented, the pain of a patient caused by the reflux is reduced, meanwhile, the clamping device is arranged at the joint of the puncture tube and the infusion bottle, the infusion apparatus can be effectively reinforced, the infusion tube can be prevented from falling off due to external force or some reason, and the pain of the patient is reduced;

1. through the mutual matching of the backflow preventing pipe, the liquid inlet channel, the circular ring, the first sliding groove, the sliding rod, the supporting rod, the sliding sleeve, the sliding block, the first spring and the rubber plug, the backflow of the liquid medicine is effectively prevented, the blood backflow situation caused by the backflow of the liquid medicine is prevented, and the pain of a patient during transfusion is reduced;

2. through the mutual cooperation between first rack, buckle, pjncture needle, support ring, second spout, second rack, second spring, air inlet, Contraband template, second connecting pipe, sleeve pipe and the gear, can effectively fix between transfer line and the infusion bottle, prevent under external force or other factors effects, lead to transfer line and infusion bottle to break away from, avoid bringing unnecessary misery for the patient.

Drawings

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

FIG. 2 is a top view of the tightening ring of the present invention;

FIG. 3 is a front sectional view of the backflow prevention pipe of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 1 according to the present invention.

In the figure: 1. a first infusion tube; 2. a flow controller; 3. an infusion needle; 4. an anti-reflux pipe; 5. a dropper; 6. a first connecting pipe; 7. a liquid inlet channel; 8. a circular ring; 9. a first chute; 10. a slide bar; 11. a support bar; 12. a sliding sleeve; 13. a slider; 14. a first spring; 15. a rubber plug; 16. a first rack; 17. buckling; 18. puncturing needle; 19. a tightening ring; 20. a second chute; 21. a second rack; 22. a second spring; 23. an air inlet; 24. contraband a template; 25. a second connecting pipe; 26. a sleeve; 27. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: an anti-reflux infusion apparatus comprises a first infusion tube 1, a flow controller 2 is sleeved outside the first infusion tube 1, an infusion needle 3 is arranged on one side of the top of the first infusion tube 1, an anti-reflux tube 4 is arranged on one side of the top of the first infusion tube 1, which is far away from the infusion needle 3, a circular ring 8 is arranged on the top of the inner side of the anti-reflux tube 4, a liquid inlet channel 7 is arranged at the middle position of the top of the circular ring 8, first chutes 9 are symmetrically arranged on two sides of the inner part of the anti-reflux tube 4, sliding blocks 13 are arranged inside the two groups of first chutes 9 in a sliding manner, a sliding sleeve 12 is arranged on one side, which is close to the two groups of sliding blocks 13, a rubber plug 15 is arranged at the top of the sliding sleeve 12 to block the liquid inlet channel 7, support rods 11 are arranged at the bottoms of two sides of the inner part, the top of the sliding rod 10 is provided with a first spring 14, the top of the backflow prevention pipe 4 is provided with a first connecting pipe 6, the top of the first connecting pipe 6 is provided with a dropper 5, the middle position of the top of the dropper 5 is provided with a second connecting pipe 25, the bottom of one side of the second connecting pipe 25, which is close to the infusion needle 3, is provided with an air inlet 23, so that the liquid medicine flows smoothly, the tops of two sides of the second connecting pipe 25 are symmetrically provided with sleeves 26, one side of the two groups of sleeves 26, which are close to each other, is provided with a second spring 22, one side of the two groups of second springs 22, which are far away from each other, is provided with a second rack 21, the top of the second connecting pipe 25 is provided with a tightening ring 19, the middle position of the top of the tightening ring 19 is provided with a puncture needle 18, two sides of the top of the tightening ring 19 are symmetrically provided with second, contraband shaped plates 24 are symmetrically arranged on two sides of the bottom of the abutting ring 19, gears 27 are arranged at two ends of the inner part of the two groups Contraband of shaped plates 24, and the gears 27 are respectively meshed with the second rack 21 and the gears 27.

In this implementation, the top of buckle 17 on one side that is close to each other is circular arc structure, make buckle 17 and infusion bottle laminating more inseparabler with strength, first rack 16 is located Contraband template 24's inside, first rack 16 and gear 27 intermeshing, make first rack 16 can remove, one side that second rack 21 is close to second connecting pipe 25 is provided with the stopper, and stopper and second spring 22 fixed connection, prevent that second rack 21 accident from dropping, first spring 14 is located the inside of sliding sleeve 12, the top and the bottom of first spring 14 respectively with sliding sleeve 12 and slide bar 10 between fixed connection, make rubber buffer 15 have the tight power of support, one side that pjncture needle 18 was kept away from to infusion needle 3 is provided with the push handle, and the push handle outside is provided with anti-skidding line, the operation of medical personnel of being convenient for.

The working principle is as follows: firstly, an infusion apparatus is inserted into an infusion bottle through a puncture needle 18, in the process of insertion, the infusion bottle opening can move two groups of buckles 17 towards the directions away from each other along a second sliding groove 20, the two groups of buckles 17 can drive a first rack 16 to move, the first rack 16 moves to drive a gear 27 to rotate, the gear 27 rotates to drive a second rack 21 to move towards the mutual close position, the two groups of second racks 21 compress a second spring 22, when the buckles 17 enter the bottle neck through the bottle opening, the second spring 22 pushes the two groups of second racks 21 to move towards the directions away from each other through elasticity, and the two groups of first racks 16 are driven to mutually close under the action of the gear 27, so that the two groups of buckles 17 are clamped and fixed on the infusion bottle opening;

at this moment, the air enters the infusion bottle through the air inlet 23, the liquid medicine flows into the interior of the dropper 5 from the second connecting pipe 25, the liquid medicine enters the interior of the backflow prevention pipe 4 through the first connecting pipe 6, the liquid medicine passes through the liquid inlet channel 7, under the gravity of the sliding sleeve 12 and the rubber plug 15 themselves and the thrust of the liquid medicine, the rubber plug 15 can move downwards, the liquid medicine flows from the gap between the rubber plug 15 and the liquid inlet channel 7, the liquid medicine enters the human body at last, when the backflow of the liquid medicine occurs, the first spring 14 can drive the sliding sleeve 12 to push the rubber plug 15 to block the liquid inlet channel 7, and the backflow of the liquid medicine is prevented.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An anti-reflux infusion set comprises a first infusion tube (1) and is characterized in that: the outside cover of first transfer line (1) is equipped with flow controller (2), one side at first transfer line (1) top is provided with transfusion needle (3), one side that transfusion needle (3) were kept away from at first transfer line (1) top is provided with anti-reflux pipe (4), the top of anti-reflux pipe (4) inboard is provided with ring (8), the intermediate position department at ring (8) top is provided with inlet passage (7), the inside bilateral symmetry of anti-reflux pipe (4) is provided with first spout (9), two sets of the inside of first spout (9) all slides and is provided with slider (13), two sets of one side that slider (13) are close to each other is provided with sliding sleeve (12), the top of sliding sleeve (12) is provided with rubber buffer (15), the bottom of the inside both sides of anti-reflux pipe (4) is provided with bracing piece (11), a sliding rod (10) is arranged at the middle position of the top of the supporting rod (11), the top of the sliding rod (10) extends to the inside of the sliding sleeve (12), a first spring (14) is arranged at the top of the sliding rod (10), a first connecting pipe (6) is arranged at the top of the backflow preventing pipe (4), a dropper (5) is arranged at the top of the first connecting pipe (6), a second connecting pipe (25) is arranged at the middle position of the top of the dropper (5), an air inlet (23) is arranged at the bottom of one side, close to the infusion needle (3), of the second connecting pipe (25), sleeves (26) are symmetrically arranged at the tops of two sides of the second connecting pipe (25), second springs (22) are arranged at one side, close to each other, of the insides of the two groups of sleeves (26), and second racks (21) are arranged at one side, far away from each other, the top of second connecting pipe (25) is provided with and supports tight ring (19), the intermediate position department at tight ring (19) top is provided with pjncture needle (18) to support, the bilateral symmetry at tight ring (19) top is provided with second spout (20), and is two sets of buckle (17) are all slided to the inside of second spout (20), and are two sets of the bottom of buckle (17) all is provided with first rack (16), the bilateral symmetry of supporting tight ring (19) bottom is provided with Contraband template (24), and is two sets of Contraband template (24) inside both ends all are provided with gear (27), gear (27) respectively with second rack (21) and gear (27) intermeshing.

2. An anti-reflux infusion set according to claim 1, characterized in that: the top of one side, close to each other, of the buckle (17) is of a circular arc structure.

3. An anti-reflux infusion set according to claim 1, characterized in that: the first rack (16) is positioned inside the Contraband template (24), and the first rack (16) is meshed with the gear (27).

4. An anti-reflux infusion set according to claim 1, characterized in that: one side of the second rack (21) close to the second connecting pipe (25) is provided with a limiting block, and the limiting block is fixedly connected with the second spring (22).

5. An anti-reflux infusion set according to claim 1, characterized in that: the first spring (14) is positioned inside the sliding sleeve (12), and the top and the bottom of the first spring (14) are respectively and fixedly connected with the sliding sleeve (12) and the sliding rod (10).

6. An anti-reflux infusion set according to claim 1, characterized in that: a push handle is arranged on one side of the transfusion needle (3) far away from the puncture needle (18), and anti-skid grains are arranged on the outer side of the push handle.