CN220125232U - Infusion four-way device - Google Patents

Abstract

The utility model relates to the field of medical transfusion, and discloses a transfusion four-way device which comprises an outer shell, an inner shell, a central cavity, a liquid inlet pipe, a liquid outlet pipe, a first side pipe and a second side pipe which are arranged in a cross shape, wherein an annular channel is arranged between the outer shell and the inner shell, a rotatable adjusting ring is arranged above a liquid through hole in the annular channel, two adjacent liquid stop valves of 90 degrees are arranged below the adjusting ring, the liquid stop valves can completely cover the liquid through holes, when the liquid stop valves block any two adjacent liquid through holes, the other two liquid through holes can be communicated through the central cavity, and when the liquid stop valves are arranged between the two liquid through holes, the four liquid through holes can be communicated through the central cavity. The utility model provides an infusion four-way device, which is compared with a three-way device, has a medicine adding side port, can save resources, and can realize the functions of two-way and full-way like the three-way device through a built-in adjusting ring and an adjacent 90-degree liquid stop valve.

Description

Infusion four-way device

Technical Field

The utility model relates to the field of medical transfusion, in particular to a transfusion four-way device.

Background

During intravenous infusion, the patient needs to add medicines into the infusion tube, especially emergency patients, anesthesia operation patients and ICU patients, and the existing solution is to add an infusion auxiliary device, namely an infusion tee at the joint of the infusion tube pipeline, because the medicines to be added are various and are mostly continuously added.

The infusion tee has three liquid inlets, namely a liquid inlet, a liquid outlet and a side inlet for adding medicine, the three liquid inlets can realize the effects of two-way and full-way through the regulating valve, the two-way means that the two liquid inlets are communicated, the liquid inlet-liquid outlet is communicated, the liquid inlet-side inlet is communicated, the liquid outlet-side inlet is communicated, the full-way means that all the three liquid inlets are communicated, and the full-way is mainly used for continuous medicine feeding while continuous infusion. The "two-way" has important functional roles such as drawing diluent from one end of the inlet through the side port, and rapidly pushing the drug into the outlet through the side port while preventing the pushed drug from flowing out of the inlet. However, one infusion three-way device can only provide one port, and for patients needing multi-channel medicine adding, three-way devices with the same or more quantity as the needed medicine adding channels are needed to be added, so that the operation is complicated, and resources are wasted.

As a preferred scheme, a four-way infusion device has been mentioned in several documents, such as a paste type four-way positive pressure infusion connector disclosed in the chinese patent of publication No. CN209900275U, but the existing four-way infusion device is not provided with a related device for controlling the channel, so that the four-way infusion device only provides one dosing side port more than the three-way infusion device, but cannot control the flowing direction of the liquid, i.e. cannot realize two-way infusion, so that the practical application value is far less than that of the three-way infusion device.

Therefore, an infusion four-way device is needed, a medicine adding side port can be provided more than that of the infusion three-way device, the dosage of an infusion auxiliary device is reduced, resources are saved, and the problem that the existing infusion four-way device cannot control the flowing direction of liquid is solved.

Disclosure of Invention

The utility model aims to provide an infusion four-way device, which is used for solving the problem that the existing infusion four-way device cannot control the flowing direction of liquid.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides an infusion four-way device, includes shell body, inner shell body, central chamber and is feed liquor pipe, drain pipe, first side pipe, second side pipe that "cross" is arranged, and feed liquor pipe, drain pipe, first side pipe, the liquid mouth of second side pipe are feed liquor mouth, liquid outlet, first side mouth, second side mouth respectively, and each liquid mouth runs through shell body, inner shell body and communicates with each other with central chamber, be provided with the annular channel between shell body and the inner shell body, the annular channel is the clearance between shell body inner wall and the inner shell body outer wall, is provided with thickness and annular channel coincide and can follow the rotatory adjusting ring of annular channel in the annular channel, is provided with two adjacent 90 degrees liquid stop valves below the adjusting ring, liquid stop valve can cover the liquid mouth completely; the liquid through hole is an opening of the liquid through pipe communicated with the central cavity, the liquid through pipe is a liquid inlet pipe, a liquid outlet pipe, a first side pipe and a second side pipe, the adjacent liquid stop valves with 90 degrees are geometrical centers of the two liquid stop valves, and the corresponding central angle on the circular ring is 90 degrees and corresponds to the liquid through hole; when the liquid stop valve is used for blocking any two adjacent liquid inlets, the other two liquid inlets can be communicated through the central cavity, so that two-way can be realized, wherein the two-way means that only two liquid inlets can be communicated through the central cavity; when one liquid stop valve is positioned between two adjacent liquid through holes, the other liquid stop valve is also necessarily positioned between the two liquid through holes, at the moment, all the four liquid through holes can be communicated through the central cavity, namely, all the liquid through holes can be communicated through the central cavity;

further, an adjusting rod is arranged above the adjusting ring and used for rotating the adjusting ring, and the lever principle is utilized to save more labor when the adjusting ring is rotated;

further, the adjusting rods are respectively arranged on opposite sides of the liquid stop valve and adjacent to each other by 90 degrees, the opposite sides of the liquid stop valve refer to that the projections of the geometric center of the liquid stop valve and the geometric center of the adjusting rods on the adjusting ring are respectively positioned on the opposite sides of the adjusting ring, the connecting lines of the projections of the two liquid stop valves and the two adjusting rods pass through the circle center of the adjusting ring, and the two liquid stop valves and the two adjusting rods are arranged in a cross shape.

Further, an indication arrow facing the outer side of the adjusting ring is arranged on the adjusting rod, when the axes of the indication arrow are respectively parallel to the axes of any two adjacent liquid passing pipes, the liquid passing pipes in two directions are communicated, and the other two liquid passing pipes are not communicated, namely 'two-way' is realized, and the liquid passing pipes refer to a liquid inlet pipe, a liquid outlet pipe, a first side pipe or a second side pipe; when the adjusting rod with the indicating arrow is positioned at the included angle of the liquid passing pipe, the indication that all the liquid passing ports can be communicated through the central cavity is provided;

further, the first side pipe and the second side pipe are provided with one-way valves, when the syringe cone head is inserted, the one-way valves are opened, liquid can pass through the one-way valves, and when the syringe cone head is pulled out, the one-way valves can prevent the liquid in the central cavity from flowing outwards;

further, the inner side wall of the outer shell is provided with a horizontal sliding groove, the outer side wall of the adjusting ring is provided with a sliding rail protrusion matched with the sliding groove for limiting the adjusting ring to rotate at a fixed height, the sliding groove refers to a groove horizontally arranged along the inner wall of the outer shell, and the shape of the cross section of the sliding groove is matched with the sliding rail protrusion.

The utility model has the advantages that: compared with the infusion three-way device, the infusion four-way device provided by the utility model has the advantages that one side pipe capable of adding medicine is added, so that the dosage of half of infusion auxiliary devices can be reduced in the use process, and resources are saved; compared with the existing infusion four-way device, the adjusting ring is arranged between the outer shell and the inner shell, any two adjacent liquid through holes can be plugged through rotating the adjusting ring, the other two liquid through holes are communicated, the function of two-way is realized, when the liquid stop valve is positioned between the adjacent liquid through holes, the four liquid through holes can be communicated through the central cavity, and the function of full-way is realized. In summary, the infusion four-way device provided by the utility model keeps the functions of 'two-way', 'full-way' of the three-way device in function, but can be structurally added with one more medicine adding side port than the existing three-way device, thereby saving resources.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic front perspective view of the present utility model;

FIG. 2 is a schematic elevational partial cross-section of the present utility model;

FIG. 3 is a schematic top view of the present utility model;

FIG. 4 is a schematic view of a median vertical section of the present utility model;

FIG. 5 is a schematic diagram of the working principle of the present utility model;

reference numerals in the drawings illustrate: 1. an outer housing; 2. an inner housing; 3. a central chamber; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a first side tube; 7. a second side tube; 8. an adjusting ring; 9. a liquid stop valve; 10. an adjusting rod; 11. an annular channel; 12. a liquid port; 13. a chute; 14. the slide rail is convex.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

Azimuth word description: the azimuth word related to the present utility model is only used to assist in explaining the technical scheme of the present utility model, and is not limited to the technical scheme of the present utility model. The azimuth term of the present utility model is set based on the following cases: the four-way transfusion device provided by the utility model is arranged on a plane, the adjusting ring and the adjusting rod are arranged above, and the corresponding liquid stop valve is arranged below.

Example 1

Referring to fig. 1-5, the present utility model provides a four-way infusion apparatus, which includes an outer housing 1, an inner housing 2, a central chamber 3, and a liquid inlet pipe 4, a liquid outlet pipe 5, a first side pipe 6, and a second side pipe 7 arranged in a cross shape, wherein liquid inlets 12 of the liquid inlet pipe 4, the liquid outlet pipe 5, the first side pipe 6, and the second side pipe 7 are respectively a liquid inlet, a liquid outlet, a first side port, and a second side port, each liquid inlet 12 penetrates the outer housing 1, the inner housing is communicated with the central chamber 3 of the inner housing 2, an annular channel 11 is disposed between the outer housing 1 and the inner housing 2, the annular channel 11 is a gap between an inner wall of the outer housing 1 and an outer wall of the inner housing 2, an adjusting ring 8 having a thickness matching with the annular channel 11 and being rotatable along the annular channel 11 is disposed above the liquid inlets 12, two adjacent liquid stop valves 9 having 90 degrees are disposed below the adjusting ring 8, and the liquid stop valves 9 can completely cover the liquid inlets 12; the liquid through hole 12 refers to an opening of the liquid through pipe communicated with the central cavity 3, the adjacent liquid stop valves 9 with 90 degrees refer to the geometric centers of the two liquid stop valves 9, and the corresponding central angle on the circular ring is 90 degrees; when the liquid stop valve 9 is used for blocking any two adjacent liquid through holes 12, the other two liquid through holes 12 can be communicated through the central cavity 3, so that 'two-way' can be realized, wherein the 'two-way' means that only two liquid through holes 12 can be communicated through the central cavity 3; when one liquid stop valve 9 is positioned between two liquid through holes 12, the other liquid stop valve 9 is also necessarily positioned between the two liquid through holes 12, and at the moment, all the four liquid through holes 12 can be communicated through the central cavity 3, namely, the full through can be realized, and the full through means that all the liquid through holes 12 can be communicated through the central cavity 3;

an adjusting rod 10 is arranged above the adjusting ring 8 and is used for rotating the adjusting ring 8, and the lever principle is utilized to save more labor when the adjusting ring 8 is rotated; the regulating rods 8 are respectively arranged on opposite sides of the liquid stop valve 9 and adjacent to each other by 90 degrees, the projections of the geometric center of the liquid stop valve 9 and the geometric center of the regulating rod 10 on the regulating ring 8 are respectively positioned on opposite sides of the regulating ring 8, the connecting lines of the projections of the two projections pass through the circle center of the regulating ring 8, and the two liquid stop valves 9 and the two regulating rods 10 are arranged in a cross shape;

the regulating rod 10 is provided with an indication arrow facing the outer side of the regulating ring 8, when the axes of the indication arrow are respectively parallel to the axes of any two adjacent liquid passing pipes, the liquid passing ports 12 which indicate that only the two directions can be communicated through the central cavity 3, the other two liquid passing ports 12 are not communicated, namely 'two-way' is realized, and the liquid passing pipe refers to a liquid inlet pipe, a liquid outlet pipe, a first side pipe or a second side pipe; when the adjusting rod 10 with the indicating arrow is positioned at the included angle of the liquid passing pipe, especially when the axis position of the adjusting rod 10 is parallel to the angular bisector of the included angle, it is indicated that all the liquid passing ports 12 can be communicated through the central chamber 3; the first side pipe 6 and the second side pipe 7 are provided with one-way valves, the one-way valves are opened when the syringe cone head is inserted, liquid can pass through the one-way valves, and the one-way valves can prevent the liquid in the central chamber 3 from flowing outwards when the syringe cone head is pulled out;

the inner side wall of the outer shell 1 is provided with a horizontal sliding groove 13, the outer side wall of the adjusting ring 8 is provided with a sliding rail protrusion 14 which is matched with the sliding groove 13 and used for limiting the adjusting ring 8 to rotate at a fixed height, the sliding groove 13 refers to a groove which is horizontally arranged along the inner wall of the outer shell 1, and the cross section shapes of the sliding groove 13 and the sliding rail protrusion 14 are mutually matched.

When the infusion four-way device is used, the infusion four-way device is directly connected with an infusion tube after being exhausted, the liquid inlet tube 4 is connected with the proximal end of the infusion device, the liquid outlet tube 5 is connected with the distal end of the infusion device, when medicine is required to be added from the first side tube 6 or the infusion extension tube is connected, the two adjusting rods 8 can be rotated to the directions of the liquid inlet tube and the second side tube or the liquid outlet tube and the second side tube, at the moment, the liquid inlet tube 4 and the second side tube 7 are communicated, the first side tube 6 is not communicated with the liquid outlet tube 5, or the second side tube 7 and the liquid outlet tube 5 are communicated, and the liquid inlet tube 4 and the first side tube 6 are not communicated, so that liquid can be prevented from flowing out from the first side tube 6; after the connection of the syringe conical head or the infusion extension tube is completed, the adjusting ring 8 is continuously rotated, so that other functions are realized: adding a medicine: the adjusting rod 10 is rotated to the directions of the first side pipe 6 and the liquid outlet pipe 5, so that medicine can be added to the far end of the infusion apparatus; second, the extraction volume: the adjusting rod 10 is rotated to the direction of the first side pipe 6 and the liquid inlet pipe, so that the volume can be extracted from the infusion bag, and the medicine can be diluted; third, continuous pumping: the adjusting rod 10 is rotated to any two angles of the liquid-passing pipe clamp, so that the full-through function can be realized, and the pumping is continuously performed, and at the moment, the second side pipe 7 of the pipe wall or the second side pipe 7 is connected with the four-way cap, the infusion extension pipe or the injector cone head, so that liquid in the pipe is prevented from flowing out.

In the description of the present utility model, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, unless otherwise specifically defined and limited. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. The utility model provides an infusion four-way device, includes shell body, inner housing, central authorities 'cavity and is feed liquor pipe, drain pipe, first side pipe, second side pipe that "cross" arranged, and the feed liquor pipe, drain pipe, first side pipe, the liquid mouth of second side pipe are feed liquor mouth, liquid outlet, first side mouth, second side mouth respectively, and each liquid mouth runs through shell body, inner housing and communicates with each other with central authorities' cavity, its characterized in that: an annular channel is arranged between the outer shell and the inner shell, an adjusting ring which is in fit with the annular channel in thickness and can rotate along the annular channel is arranged above the liquid through holes in the annular channel, two adjacent liquid stop valves which are 90 degrees are arranged below the adjusting ring, the liquid stop valves can completely cover the liquid through holes, when the liquid stop valves block any two adjacent liquid through holes, the other two liquid through holes can be communicated through a central cavity, and when the liquid stop valves are arranged between the two adjacent liquid through holes, the four liquid through holes can be communicated through the central cavity.

2. An infusion four-way device according to claim 1, wherein: an adjusting rod is arranged above the adjusting ring and used for rotating the adjusting ring.

3. An infusion four-way device according to claim 2, wherein: the adjusting rods are respectively arranged on opposite sides of the liquid stop valve and adjacent to each other by 90 degrees.

4. An infusion four-way device according to claim 3, wherein: the adjusting rod is provided with an indication arrow facing the outer side of the adjusting ring.

5. An infusion four-way device according to claim 1, wherein: the first side pipe and the second side pipe are provided with one-way valves, the one-way valves are opened when the syringe cone head is inserted, and the one-way valves can prevent liquid in the central cavity from flowing outwards when the syringe cone head is pulled out.

6. An infusion four-way device according to claim 1, wherein: the outer shell is characterized in that a horizontal sliding groove is formed in the inner side wall of the outer shell, and a sliding rail protrusion matched with the sliding groove is arranged on the outer side wall of the adjusting ring and used for limiting the adjusting ring to rotate at a fixed height.