CN215537271U

CN215537271U - Three-way device for liquid supplementing preparation

Info

Publication number: CN215537271U
Application number: CN202121900086.5U
Authority: CN
Inventors: 高峰; 彭爱丽; 范敬蓉; 杨滢; 支晨; 齐绍燕
Original assignee: Capital Institute of Pediatrics
Current assignee: Capital Institute of Pediatrics
Priority date: 2021-08-14
Filing date: 2021-08-14
Publication date: 2022-01-18
Anticipated expiration: 2031-08-14

Abstract

The utility model discloses a three-way device for liquid supplementing configuration, which comprises a Y-shaped shell, wherein the forks of the Y-shaped shell are respectively provided with a needle head, and each fork of the Y-shaped shell is provided with a valve component for controlling opening and closing. The three-way device for liquid infusion is provided with a main opening, two openings with needles and a valve component arranged at the opening end of the needle, when in use, one opening end with the needle is inserted into a main liquid bag, the port is closed by the valve component, the other opening end with the needle is inserted into other liquid infusion bags to be mixed, and the valve component of the port is opened at the same time. The injector is inserted into the main opening end, liquid to be mixed is sucked, the valve assembly is closed when the required amount of liquid is pumped, the valve assembly of the main liquid bag is opened, the liquid is pushed, the valve assembly is closed after all liquid is pushed, and other liquid required to be prepared is continuously pumped, so that the main liquid bag is ensured to be punctured only once, and the liquid leakage phenomenon and the pollution probability are reduced.

Description

Three-way device for liquid supplementing preparation

Technical Field

The utility model relates to a three-way device for liquid supplementing preparation.

Background

The intravenous infusion therapy is an important component of medical care and has the advantages of quick effect, small stimulation and the like. Because the liquid directly enters the blood circulation of a human body during transfusion, the preparation quality of the liquid is directly related to the clinical treatment effect and the medication safety of patients. When intravenous medication is dispensed in a traditional treatment room, there is a risk that the medication may be contaminated with airborne particles.

At present, during the process of preparing the medicine, a nurse in China needs to puncture the bottle stopper for multiple times by using a thick needle, and can suck air and inject the air into the liquid bag for multiple times in order to ensure that the medicine liquid is sucked cleanly. Both of these conditions naturally carry the rubber stopper and the particles in the air into the infusion bottle.

When the infant fluid infusion treatment is carried out, various electrolytes and liquids need to be mixed into one bag of liquid, the mixed liquid is small in amount and various in variety, a syringe needs to be used for sucking and pushing, and a needle head is repeatedly inserted into and pulled out of a rubber plug of a main liquid bag, so that the probability of polluting the rubber plug opening of an infusion bag is increased, and the phenomenon of liquid leakage at the rubber plug opening of the main liquid bag is easy to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a three-way device for liquid infusion preparation, which is provided with a main opening, two openings with needles and a valve component with the open ends of the needles, wherein one open end with a needle is inserted into a main liquid bag, and the other open end with the needle is inserted into other liquid infusion bags to be mixed, so that the main liquid bag is ensured to be punctured only once, and the liquid leakage phenomenon and the pollution probability are reduced.

Technical scheme

In order to achieve the above purpose, the utility model provides the following technical scheme: the utility model provides a fluid infusion configuration tee bend device, includes Y type casing, all be provided with the syringe needle on the Y type casing fork, all be provided with the valve member that the control opened and shut on each fork of Y type casing.

Preferably, the valve assembly comprises a movable ring, and a plurality of sliding blocks distributed in a circumferential array are arranged on the inner wall of the movable ring.

As preferred, the inboard of activity ring be provided with the activity ring is less than with axle center and radius the solid fixed ring of activity ring, set up on solid fixed ring's the outer wall a plurality of be the circumference array distribute and with the first spout of slider one-to-one, seted up on the inner wall of first spout one side and run through gu fixed ring's through-hole.

Preferably, the inner side of the fixing ring is provided with a plurality of sealing parts which are distributed in a circumferential array and correspond to the through holes one by one, a traction rope is fixedly connected between the sealing parts and the sliding blocks, a second sliding groove penetrates through the outer wall of the sealing parts, an extension spring is arranged on the inner wall of one side, facing the fixing ring, of the second sliding groove, and the other end of the extension spring is provided with a limiting block.

Advantageous effects

In the technical scheme, the three-way device for liquid supplementing configuration provided by the utility model has the following beneficial effects: the device is provided with a main opening, two openings with needles and a valve component arranged at the opening end with the needles, when in use, one opening end with the needles is inserted into a main liquid bag, the port is closed by the valve component, the other opening end with the needles is inserted into other liquid supplementing bags needing to be mixed, and the valve component of the port is opened at the same time. The injector is inserted into the main opening end, liquid to be mixed is sucked, the valve assembly is closed when the required amount of liquid is pumped, the valve assembly of the main liquid bag is opened, the liquid is pushed, the valve assembly is closed after all liquid is pushed, and other liquid required to be prepared is continuously pumped, so that the main liquid bag is ensured to be punctured only once, and the liquid leakage phenomenon and the pollution probability are reduced.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

Fig. 1 is a schematic structural diagram of a tee apparatus provided in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a valve assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of the valve assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a closure according to an embodiment of the present invention.

Description of reference numerals:

10. a Y-shaped housing; 11. a needle head; 20. a movable ring; 21. a slider; 30. a fixing ring; 31. a first chute; 32. a through hole; 33. a hauling rope; 34. a closure; 35. a second chute; 36. a limiting block; 37. a tension spring.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

As shown in fig. 1-4, a three-way device for fluid infusion configuration comprises a Y-shaped housing 10, a needle 11 is disposed on each branch of the Y-shaped housing 10, a valve assembly for controlling opening and closing is disposed on each branch of the Y-shaped housing 10, when the valve assembly is opened, a movable ring 20 is rotated to enable a sliding block 21 to slide along a first sliding chute 31, a closing member 34 is driven by a traction rope 33 to move towards a fixed ring 30, so that the valve assembly is opened, when the valve assembly is closed, the movable ring 20 is released, the closing member 34 is polymerized again under the action of an extension spring 37, an external thread interface and an external thread piston are disposed at the bottom end of the Y-shaped housing 10, a rubber movable sealing ring is disposed in the external thread interface, the movable sealing ring is in a flap shape, when a fluid infusion set is used for fluid infusion, the flap-shaped movable sealing ring is extruded on the inner wall of the Y-shaped housing 10 by being inserted into the bottom end of the Y-shaped housing 10, the infusion apparatus and the Y-shaped shell 10 are tightly connected together, when the infusion apparatus exits from the Y-shaped shell 10, the flap-shaped movable sealing ring is folded, the external thread piston is screwed on the external thread interface at the moment, and the bottom end of the Y-shaped shell 10 is sealed, so that bacteria or dust is prevented from entering the inner side of the Y-shaped shell 10.

As shown in fig. 2-3, the valve assembly includes a movable ring 20, a plurality of sliders 21 are disposed on an inner wall of the movable ring 20, and the sliders 21 pull a closing member 34 through a pulling rope 33 to control the opening and closing of the valve assembly.

As shown in fig. 2-3, the inner side of the movable ring 20 is provided with a fixed ring 30 which is coaxial with the movable ring 20 and has a radius smaller than that of the movable ring 20, the outer wall of the fixed ring 30 is provided with a plurality of first chutes 31 which are distributed in a circumferential array and correspond to the sliding blocks 21 one by one, the inner wall of one side of each first chute 31 is provided with a through hole 32 which penetrates through the fixed ring 30, and one end of the traction rope 33 is connected to the sliding block 21 by extending to the outer side of the fixed ring 30 through the through hole 32.

As shown in fig. 3-4, a plurality of closing members 34 distributed in a circumferential array and corresponding to the through holes 32 one by one are disposed on the inner side of the fixing ring 30, a pulling rope 33 is fixedly connected between the closing member 34 and the slider 21, a second sliding groove 35 is formed in the outer wall of the closing member 34 in a penetrating manner, an extension spring 37 is disposed on the inner wall of the second sliding groove 35 facing to one side of the fixing ring 30, a limiting block 36 is disposed at the other end of the extension spring 37, and the limiting block 36 is used for controlling the sliding direction of the closing member 34 to prevent the closing member 34 from deviating.

The working principle is as follows: in use, one needle 11 of the Y-shaped housing 10 is inserted into a main fluid bag, the branch is closed by the valve assembly, the other needle 11 is inserted into another fluid bag to be mixed, a syringe is inserted into the main open end, the branch movable ring 20 is rotated to slide the slider 21 along the first chute 31, the closing member 34 is driven by the pull rope 33 to move towards the fixed ring 30, the valve assembly is opened, the fluid to be mixed is sucked by the syringe, the movable ring 20 is released after the required amount is reached, the closing member 34 is polymerized again under the action of the tension spring 37 to close the valve assembly, the branch valve assembly inserted into the main fluid bag is opened, the fluid is pushed in, and after all the fluid is pushed in, the valve assembly is closed to continue to suck other required fluid.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the utility model.

Claims

1. The liquid supplementing three-way device is characterized by comprising a Y-shaped shell (10), wherein needle heads (11) are arranged on branches of the Y-shaped shell (10), and a valve assembly for controlling opening and closing is arranged on each branch of the Y-shaped shell (10).

2. The three-way device for liquid supplementing and dispensing according to claim 1, wherein the valve assembly comprises a movable ring (20), and a plurality of sliding blocks (21) are arranged on the inner wall of the movable ring (20) in a circumferential array.

3. The three-way device for liquid supplementing and configuration according to claim 2, wherein a fixing ring (30) which is coaxial with the movable ring (20) and has a radius smaller than that of the movable ring (20) is arranged on the inner side of the movable ring (20), a plurality of first sliding grooves (31) which are distributed in a circumferential array and correspond to the sliding blocks (21) one to one are formed in the outer wall of the fixing ring (30), and through holes (32) which penetrate through the fixing ring (30) are formed in the inner wall of one side of each first sliding groove (31).

4. The three-way device for liquid supplementing and configuration according to claim 3, wherein a plurality of sealing pieces (34) which are distributed in a circumferential array and correspond to the through holes (32) one by one are arranged on the inner side of the fixing ring (30), a traction rope (33) is fixedly connected between each sealing piece (34) and the corresponding sliding block (21), a second sliding groove (35) penetrates through the outer wall of each sealing piece (34), an extension spring (37) is arranged on the inner wall of one side, facing the fixing ring (30), of each second sliding groove (35), and a limiting block (36) is arranged at the other end of each extension spring (37).