WO2015037928A1

WO2015037928A1 - Multi-directional valve

Info

Publication number: WO2015037928A1
Application number: PCT/KR2014/008494
Authority: WO
Inventors: 장근수
Original assignee: 주식회사 제이엠메디칼
Priority date: 2013-09-13
Filing date: 2014-09-12
Publication date: 2015-03-19

Abstract

The present invention relates to a multi-directional valve for medicinal fluid injection, which is used for a medical purpose, and the multi-directional valve can: simultaneously inject a plurality of types of medicinal fluids by having a plurality of additional fluid infusion tubes; selectively inject the plurality of types of medicinal fluids; adjust a flowing direction of the medicinal fluids and an injection quantity of the medicinal fluids through a simple operation; and prevent a back flow.

Description

Multi-directional valve

The present invention relates to a multi-directional valve for injecting a chemical liquid used for medical purposes, and a plurality of additional fluid tubes are provided to enable a plurality of chemical liquid injections at the same time, and to selectively inject the plurality of chemical liquids, and the flow direction of the chemical liquid. The injection amount of the chemical solution can be adjusted by a simple operation, and relates to a multi-directional valve to prevent backflow.

In general, a medical 3-way stop cock is one of three medical devices in which three branch tubes are formed to supply a plurality of fluids and medicines to a patient.

In this case, the three-way stopcock has two branch tubes for receiving a plurality of drugs, and one branch tube for injecting drugs into the patient.

Therefore, in order to supply two or more drugs and fluids, it was necessary to insert a needle directly into the body part of the patient or to install a plurality of stopcocks.

And, according to the Republic of Korea Patent No. 1177279, A plurality of branch pipes are radially coupled to the outer periphery of the main body, in the medical 3-way stop cock including a direction control member installed rotatably above the main body, A spiral inner fastening portion is formed at the inner circumferences of the plurality of branch pipe ends, and fixing grooves are formed on the inner circumference of the auxiliary fastening portion having the same size as the inner fastening portion of the branch pipe on the upper surface and one side of the direction control member. Has

However, the comparative technology has a configuration of a general three-way stopcock for medical use, and as described above, there is a disadvantage in that two routes for supplying drugs and fluids are limited. It cannot be adjusted.

In addition, the general medical stopcock, including the comparative technology, since the blood of the patient can flow back into the infusion tube when the drug supply is exhausted, it is necessary to provide a preventive measure.

In addition, it is difficult to quickly adjust the control of the flow rate is supplied, as well as the disadvantage that it is difficult to calculate the exact adjustment amount.

In addition, it is difficult to implement a rapid blocking effect when the drug solution is blocked, there is a disadvantage that the separate equipment for blocking or selectively performing the drug injection in each drug inlet pipe when the stopcock is defective is not provided. .

In order to solve the conventional problems as described above, it is possible to be provided with a plurality of drug supply pipe, to adjust the flow rate of the drug supply pipe, to block it when the drug flows back, and to break down by a simple structure Multi-directional valves are provided to minimize the risk of failure or malfunction.

In addition, the present invention is to provide a multi-directional valve that can provide a reliability by implementing a selective drug supply or dual drug blocking effect.

In order to achieve the object as described above, the drug inlet pipe is provided with a plurality of drugs flowing in; A joint chamber part provided to join drugs in the plurality of drug inlet pipes; A control cock provided on one side of the drug inlet pipe and provided to control the flow of the drug moving into the drug inlet pipe; It provides a multi-directional valve comprising a; drug outlet pipe is provided to discharge the drug joined from the joint chamber portion.

And, the joint chamber portion of the present invention, it is detachably coupled to one side, and provides a multi-directional valve including a needle cap provided to be inserted into the needle of the syringe inward.

In addition, the adjustment cock of the present invention, the adjustment bolt is provided to vertically penetrate the drug inlet pipe; A nut coupled to a spiral groove provided in the adjustment bolt and having a spiral protrusion provided inside to allow the adjustment bolt to move up and down along the spiral; O-rings coupled to the upper and lower ends of the nut to which the adjustment bolt is coupled; And a fixing cap provided to accommodate the nut to which the adjusting bolt and the O-ring are coupled, and the fixing protrusion provided on the inside thereof is coupled to the drug inlet pipe.

In addition, a non-return valve is installed to prevent the drug flowing out to one side of the drug outflow pipe of the present invention is installed, the non-return valve, the floating chamber is provided so that one side is coupled to the inside; And a floating ball provided inside the floating chamber, the floating ball being movable to block an outflow hole connected to the joint chamber when the fluid flows back from the backflow prevention knob.

In addition, the non-return valve of the present invention may include a tab extending in an uneven shape to the inside of the floating chamber, and the floating chamber is formed at an outer diameter width of the non-return valve at one end to which the tab is coupled. Provided is a multi-directional valve that is tapered so that the other end is made smaller in the inner diameter width of the non-return valve.

In addition, the non-return valve of the present invention provides a multi-directional valve tightly connected so that the wings overlap each other in a plurality of diaphragm shapes made of a soft material on the non-return valve body.

On the other hand, the joint chamber of the present invention provides a multi-directional valve having a branching means for selectively connecting the drug inlet pipe to the drug outlet pipe.

In addition, the branching means of the present invention, the main flow passage connected to the drug outflow pipe and the branch flow passage connected to the at least one drug inflow pipe integrally connected to the branch body integrally connected, and displays the flow direction of each flow path A display unit is provided, and a mixing flow chamber connected to the branch flow passage and the main flow passage is provided to provide a multi-directional valve having a needle cap connected to an upper portion thereof.

In addition, the control cock of the present invention, a plurality of flow holes having different diameters installed so as to connect through the main flow path and the branch flow path cross the center around the control cock body formed in the drug outlet pipe or drug inlet pipe Provided is a multi-directional valve installed through.

In addition, the present invention provides a multi-directional valve further comprising a filter unit in at least one selected from the drug inlet pipe or the drug outlet pipe of the present invention.

According to the multi-directional valve according to the present invention, three or more drugs or infusions are simultaneously added to the patient to remove the hassle, the injecting drugs or infusions are selected through a simple operation, and the amount of the infusion is quickly controlled.

In addition, the supply pressure is reversed due to a condition such as exhaustion of the drug to prevent the flow of blood back from the body while preventing the secondary medical accident.

In addition, by implementing a simple principle, there is no risk of failure or malfunction, thereby economically reducing the risk of medical accidents.

It also prevents foreign matter from entering the body.

1 is a perspective view showing one embodiment of the present invention, a multi-directional valve.

Figure 2 is an exploded perspective view showing one embodiment of a multi-directional valve of the present invention.

Figure 3 is a plan sectional view showing one embodiment of the present invention the multi-directional valve along the A-A 'direction.

Figure 4 is a cross-sectional view showing one embodiment of the present invention the multi-directional valve along the A-A 'direction.

Figure 5 is an exploded cross-sectional view showing an embodiment of the adjusting cock of the present invention multi-directional valve.

Figure 6 is an exploded view of the main part of the multi-directional valve of the present invention.

Figure 7 is a perspective view of one embodiment of the valve of the present invention.

8 is an exploded perspective view showing an embodiment of the valve of the present invention.

Figure 9 is a plan sectional view showing one embodiment of the valve of the present invention.

10 is a cross sectional view showing a valve according to another embodiment of the present invention.

Figure 11 is a cross-sectional view showing one embodiment of the adjustment cock of the valve of the present invention.

Figure 12 is a perspective view showing a non-return valve of the valve of the present invention.

Figure 13 is an exploded view showing the mounting state of the filter unit according to another embodiment of the present invention.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description.

However, this is not intended to limit the present invention to specific embodiments, but should be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention, and may be modified in various other forms. It is to be understood that the scope of the present invention is not limited to the following examples.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, and the same or corresponding components will be given the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted.

Figure 1 is a perspective view showing one embodiment of the present invention multi-directional valve, Figure 2 is an exploded perspective view showing one embodiment of the present invention multi-directional valve, Figure 3 is an embodiment of the present invention multi-directional valve 4 is a cross sectional view taken along the AA 'direction, and FIG. 4 is a cross sectional view showing one embodiment of the present invention according to the AA' direction, and FIG. 5 is an embodiment of the adjusting cock of the present invention. It is an exploded cross section showing the.

The present invention may be composed of a drug inlet tube 102, drug outlet tube 103, joint chamber 103, the adjusting cock 110 and the check valve 140.

The drug inlet pipe 102 is a pipe provided with a plurality of drugs to be injected and moved.

As shown in FIG. 1, in one embodiment of the present invention, the drug inlet tube 102 is branched into three or more branches.

In addition, the drug inlet tube 102 is connected to each of the drug hoses extending from the infusion pack, it is provided to be administered to the patient through the joint chamber 104 to be described below to receive the drug from the supply.

In general, medical stopcocks are provided with a single drug inlet that serves as the drug inlet tube 102, so that a plurality of drugs may be mixed and injected to inject a plurality of stopcocks.

In the multi-directional valve provided as an embodiment of the present invention, the drug inlet tube 102 is implemented as three, but if necessary, a single number is implemented by a valve provided with a greater number of drug inlet tube 102 Valves can be used to control drug injection.

In addition, one side of the drug inlet tube 102 is provided with a control cock 110 that can control or block the flow of the drug to move into the drug inlet tube (102).

Referring to Figure 5, the adjusting cock 110 may be composed of a control bolt 111, a fixing cap 112, a nut portion 114, the adjusting bolt 111 is provided in a cylindrical shape and hands or instruments A head portion is formed to rotate the main body of the adjusting bolt 111, and the spiral groove 111a is provided on the body surface.

The spiral groove 111a is coupled to the spiral protrusion 114a of the nut part 114 so as to be moved upward and downward as the adjustment bolt 111 rotates.

In addition, the upper and lower sides of the nut portion 114 is in close contact with the O ring 113 so that the adjusting cock 110 is airtight, the O ring 113 is not only the airtight of the adjusting cock 110, the adjustment It is provided to be in close contact with the body of the bolt 111 serves to fix the adjustment bolt 111 in a predetermined adjustment state.

As described above, when the adjusting bolt 111, the O-ring 113, and the nut part 114 are combined, they are stored in the fixing cap 112 and inserted into the coupling hole 102a of the drug inlet pipe 102. Is fixed.

In addition, a fixing protrusion 112a is provided inside the lower end of the fixing cap 112 to be coupled to the outer diameter side of the coupling hole 120a so that the adjusting cock 110 is fixed on the drug inlet pipe 102.

By rotating the control bolt 111 of the fixed cock 110 is fixed in this way it is possible to control or block the flow rate of the drug moving in the drug inlet pipe (102).

At this time, the O-ring 113 is provided between the fixing cap 112 and the nut portion 114 and the coupling hole 102a to securely couple the fixing cap 112 to the coupling hole 102a. It also plays a role.

For this role, the O-ring 113 may be made of a material such as rubber or silicone having elastic force.

And, the adjusting cock 110 is provided on each of the passages of any one or more of the drug inlet pipe 102 or the drug outlet pipe 103 is provided in plurality.

Thus, by individually adjusting or blocking or opening the control cock 110, the combination of drugs supplied through each drug inlet tube 102 can be adjusted.

In addition, the bottom surface of the adjustment bolt 111 may be formed in a conical shape rather than a flat surface so that the area in contact with the bottom surface of the drug outflow tube 103 can be widened, which is when locking the control bolt 111 Lowers the possibility of drug leakage, and serves to prevent the center of the adjustment bolt 111 is twisted.

Referring to FIG. 3, the drug inlet tube 102 intersects in a joint chamber portion 104 provided at a centrally convergent central portion.

In the joint chamber 104, the drugs in the drug inlet tube 102 are joined to flow to the drug outlet tube 103.

In addition, the joint chamber 104 is provided with a space larger than the diameter of the drug inlet tube 102 so that a plurality of drugs supplied from the drug inlet tube 102 is primarily rectified and mixed.

If the joint chamber 104 is not provided as described above, when the inlet pressures of the drugs introduced into the respective drug inlet pipes 102 are different from each other, there is a possibility that a backflow may occur or drugs may not be supplied at a predetermined rate. .

Therefore, in order for the respective drugs in the joint chamber part 104 to sufficiently flow and enter the drug outlet pipe 103 by being sufficiently rectified and mixed, the volume of the joint chamber part 104 needs to be appropriately secured. have.

Accordingly, as shown in FIG. 3, when the cross section of the joint chamber 104 is circular, the diameter of the joint chamber 104 is about three times the diameter of the drug inlet tube 102. To be, the height may be provided to be greater than or equal to the diameter of the drug inlet tube (102).

According to the above-described conditions, the volume of the joint chamber 104 may create a condition necessary for the primary mixing of the drugs supplied from the three drug inlet pipes 102.

In addition, the drug joined in the joint chamber part 104 is supplied to the patient through the drug outlet tube 103.

In addition, the drug outflow pipe 103 is formed on one side of the joint chamber portion 104 in succession, the outlet hole 104a is formed through the inside, and the drug outflow pipe 103 has a non-return valve ( 140 is connected to prevent backflow.

At this time, the non-return valve 140, the floating ball 123 is accommodated in the floating chamber 103a which is installed in a form in which the inner diameter gradually widens from the outlet hole 104a, one side of the floating chamber 103a More specifically, the opening side is threaded into the inner diameter.

Referring to FIG. 4, the non-return valve 140 is provided with a tab 121a having an end portion inserted into and coupled to the floating chamber 103a extending in an uneven shape.

In addition, the tab 121a is provided to prevent the floating ball 123 from blocking the hole by the drug introduced from the outlet hole 104a.

In addition, when the drug is introduced from the outlet hole 104a, the floating ball 123 flows toward the inlet of the non-return valve 140 according to the flow of the fluid.

In this case, since the tab 121a is provided in an uneven shape, even if the floating ball 123 blocks an inlet side hole of the non-return valve 140, the drug may flow into the non-return valve 140.

On the contrary, when the drug flows back through the non-return valve 140, the floating ball 123 moves toward the outlet hole 104a.

At this time, the inner diameter of the floating chamber 103a on the outlet hole 104a side is rapidly reduced to the same size as the inner diameter of the non-return valve 140.

When the drug flows back into the above-described section, the floating ball 123 blocks the outflow hole 104a by the low pressure state generated while passing through the narrow section, thereby preventing backflow of the drug.

As described above, the floating chamber 103a is configured to prevent backflow of the drug by the Bernoulli effect, and thus, the floating chamber 103a may have a characteristic cross-sectional shape as follows.

That is, the floating chamber 103a has one end inner diameter at which the tab 121a of the non-return valve 140 is coupled to have the same length as the tab 121a, and the other end, that is, the outlet hole 104a. The side inner diameter is formed to the same width as the inner diameter of the non-return valve 140 so that the inner portion of the funnel shape is provided.

Accordingly, the diameter of the floating ball 123 may be provided to be larger than the inner diameter of the non-return valve 140, and smaller than the outer diameter.

The joint chamber part 104 may be provided as a needle cap 131 on which one side, more specifically, the upper end side of the chamber part 104 provided in a cylindrical shape is detachably coupled thereto.

The needle cap 131 is provided so that the needle of the syringe can be inserted, it can be used when injecting additional drugs.

That is, by inserting a syringe tube containing the drug in the needle cap 131 to inject the drug into the inside of the joint chamber 104, a specific drug may be additionally injected into the body of the patient.

Referring to FIG. 6, the non-return valve 140 may further include a filter unit 124 therein.

In this case, the filter unit 124 is the first filter 124a is provided with a mesh structure of 3 ~ 4㎛, the second filter 124b is provided with a mesh structure of 5 ~ 7㎛ and the first filter and the first 2 may be formed of a body portion (not shown) that is provided in a cylindrical shape to accommodate the filter and installed in the inner diameter portion of the non-return valve 140.

Since the filter unit 124 should be able to be appropriately replaced according to the characteristics of the injected drug, it is fixedly installed in the non-return valve 140, by providing a non-return valve 140 for each purpose, the It may be applied by replacing the non-return valve 140.

The operation of the multi-directional valve according to the present invention will be described.

As shown in Figures 1 to 6, the user connects the drug inlet tube 102 and the infusion pack (not shown) provided in the multi-directional valve 100 with a hose.

At this time, the end of the drug inlet tube 102 is provided with a screw can be fixed by locking by connecting the hose.

As shown in FIG. 1, the drug inlet pipe 102 may be provided in three branches or may be provided in three or more branches.

The user may use the multi-directional valve 100 in which the drug inlet pipe 102 is branched into a plurality of situations depending on the situation.

When there is an inflow pipe not used among the drug inflow pipe 102, the unused inflow pipe can be sealed by coupling to a screw part of the drug inflow pipe 102 using a cap (not shown) provided separately. .

As described above, when the connection of the drug inlet pipe 102 is completed, the non-return valve 140 is connected to the drug outlet pipe 103.

When the non-return valve 140 is coupled to the drug outlet tube 103, care should be taken to ensure that the floating ball 123 is located in the floating chamber 103a inside the drug outlet tube 103.

Typically, the non-return valve 140 is provided in a state coupled to the drug outlet pipe 103, so that the operator does not need to perform the coupling operation. However, when the movement of the drug is not smooth, the operator may disassemble in the reverse order of the above-described coupling sequence to check the operating position of the floating ball 123 in the floating chamber (103a).

Thereafter, the operator connects an intubation tube (not shown) to one side of the drug outflow tube 103 having the non-return valve 140, and then inserts the needle into the procedure site.

Upon completion of the insertion and fixation of the needle, the operator opens the path of the drug to inject the drug solution.

At this time, by turning the adjusting bolt 111 of the adjusting cock 110 provided on the drug inlet pipe 102, it is possible to control the opening or blocking of the drug, or the amount of drug injection.

For example, when each fluid pack is connected to the three drug inlet pipes 102, and the sap supplied to one drug inlet pipe 102 becomes unnecessary as the procedure proceeds, the operator may use the corresponding drug inlet pipe. Locking the adjusting cock 110 of 102 can adjust the mixing state of the treatment drug.

In addition, when injecting a separate drug in addition to the drug injected into the drug inlet tube 102, the patient by inserting a syringe on the needle cap 131 provided in the joint chamber 104, the patient by injecting the drug Injection into the body can be performed.

On the other hand, Figure 7 is a perspective view showing one embodiment of the valve of the present invention, Figure 8 is an exploded perspective view showing an embodiment of the valve of the present invention, Figure 9 is a cross-sectional view showing an embodiment of the valve of the present invention. 10 is a cross-sectional view showing a valve according to another embodiment of the present invention, FIG. 11 is a cross-sectional view showing an embodiment of an adjustment cock of the valve of the present invention, and FIG. 12 is a non-return valve of the valve of the present invention. Figure 13 is a perspective view showing, Figure 13 is an exploded view showing the mounting state of the filter unit according to another embodiment of the present invention.

In the valve 100 of the present invention, one drug outlet tube 103 and one or more drug inlet tube 102 are connected to one through the joint chamber 104.

Then, each drug solution injected through the drug inlet tube 102 is installed to be mixed and supplied to one drug outlet tube 103.

In addition, at least one selected from the drug inlet tube 102 or drug outlet tube 103 is provided with a control cock (110).

In addition, the joint chamber part 104 is provided with a branching means 200 for selectively connecting one or more drug inlet pipe to one drug outlet pipe.

In addition, the branching means 200 is formed as a branch body 210 that is in close contact with the joint chamber portion 104 is rotatably mounted.

At this time, the branch body 210, the main flow passage 211 is connected to the drug outflow tube 103 and the branch flow passage 213 through-connected to the at least one or more drug inflow tube 102 is integrally connected through. And a display unit 215 for displaying the direction of each flow path, and a mixing flow chamber 217 connected to the branch flow path and the main flow path is provided at a connection portion between the branch flow path and the main flow path, and the needle cap 131 is disposed thereon. This connection is made up of configurations that are installed.

In addition, the control cock 110, the plurality of flow holes 113 are different from each other in the center of the center along the circumference of the control cock body 111 is formed smaller than the pipe diameter of the drug outflow pipe or drug inlet pipe The handle 115 is connected to the upper portion while being installed to cross through.

In addition, at least one selected from the drug inlet pipe 102 or the drug outlet pipe 103 is provided with a non-return valve 140, the non-return valve 140, the non-return valve body 141 A plurality of apertures made of a soft material in the blade 143 is configured to be in close contact with each other so as to overlap each other.

And, at least one selected from the drug inlet pipe 102 or drug outlet pipe 103 is further provided with a filter unit 124, at least one filter 124a of the filter unit is the filter body 124b ) Consists of a configuration that is mounted.

As shown in Figure 7 to Figure 13, after connecting the drug inlet pipe 102 and the infusion pack (not shown) provided in the valve 100, etc. in the drug outlet pipe 103 provided in the valve 100, such as a syringe By connecting the fluid to the patient can be administered.

At this time, the drug inlet pipe 102 may be provided branched to two or more, or branched to three or more as shown in the drawings of the present invention.

In addition, when there is an injection tube not used among the drug inlet tube 102, the unused inlet tube may be sealed through the adjusting cock 110.

As described above, in the state where the connection of the drug inlet tube 102 is completed, the backflow of the chemical liquid is prevented through the non-return valve 140 provided in the drug inlet tube 102 or the drug outlet tube 103.

At this time, the non-return valve 140, a plurality of diaphragm shape made of a soft material to the non-return valve body 141 is connected in close contact so that the wings 143 overlap each other flow in one direction during the pressure action by the chemical liquid Only it becomes possible, and each wing which is opened during the reverse flow is quickly and tightly closed by the elasticity to block.

In addition, the adjusting cock 110 provided on the drug inlet tube 102 or the drug outlet tube 103 is formed with a smaller diameter than the pipe diameter of the drug outlet tube or the drug inlet tube while a plurality of different flow holes ( 113 is installed along the circumference of the adjusting cock body 111 so that the center of the handle 115 is connected to each other to pass the chemical liquid at a predetermined flow rate during the rotation of the handle.

At this time, the upper portion of the handle 115 is provided with a display for displaying the supply flow rate is easy to set the flow rate.

In addition, the branch body 210 is further provided with a selection pipe 119 for connecting only one drug inlet tube 102 to the drug outlet tube 103 to be able to selectively supply only the desired chemical liquid.

In addition, when a separate drug is to be injected in addition to the drug injected into the drug inlet tube 102, the syringe is inserted into the needle cap 131 of the branch body 210 mounted to the joint chamber 104. After the drug is injected, the drug solution is supplied to the drug inlet tube so that the patient can be injected into the body.

That is, the branch body 210, the main flow passage 211 connected to the drug outflow tube 103 and the branch flow passage 213 through-connected to the at least one or more drug inflow tube 102 is integrally connected through The display unit 215 is provided to display the direction of each flow path, and a mixing flow chamber 217 connected to the branch flow path and the main flow path is provided, and the needle cap 131 is connected to and installed on the needle. The patient can be injected into the body by inserting a syringe into the cap 131 and injecting a drug.

In addition, the filter inlet is further provided at any one or more places selected from the drug inlet tube 102 or the drug outlet tube 103 to solve the problem that the contaminants supplied from the chemical solution are delivered to the patient.

As described above, the present invention has been described with reference to the accompanying drawings, but various modifications and changes can be made without departing from the spirit of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

The present invention is provided with a plurality of additional fluid tube is possible to inject a plurality of chemicals at the same time, is provided with a control cock for selectively injecting the plurality of chemicals, the flow of the chemical and the amount of injection of the chemical can be adjusted by a simple operation And a multidirectional valve provided with a structure for preventing backflow.

Claims

Drug inlet pipe is provided with a plurality of drugs injected to move;

A joint chamber part provided to join drugs in the plurality of drug inlet pipes;

A control cock provided on one side of the drug inlet pipe and provided to control the flow of the drug moving into the drug inlet pipe;

A drug outlet tube provided to discharge the drug joined from the joint chamber part; And

A multi-directional valve coupled to one side of any one selected from the drug inlet pipe or drug outlet pipe, and provided to prevent the drug flow back.
The multidirectional valve according to claim 1, wherein the joint chamber portion includes a needle cap detachably coupled to one side and provided with a needle cap inserted into the syringe.
The method according to claim 1, wherein the adjusting cock, the control bolt is provided to vertically penetrate the inside of any one selected from the drug inlet pipe or drug outlet pipe;

A nut coupled to a spiral groove provided in the adjustment bolt and having a spiral protrusion provided inside to allow the adjustment bolt to move up and down along the spiral;

O-rings coupled to the upper and lower ends of the nut to which the adjustment bolt is coupled; And

The control bolt and the nut is coupled to the O-ring is provided to accommodate the multi-directional valve, characterized in that it comprises a fixing cap is provided to be coupled to the drug inlet pipe is provided with a fixing protrusion provided on the inside.
The method of claim 1, wherein the non-return valve, the floating chamber is provided so that one side is coupled inward; And a floating ball provided inside the floating chamber, the floating ball being movable to block an outlet hole connected to the joint chamber when the fluid flows back from the backflow prevention knob.
The multi-directional valve according to claim 1, wherein a filter unit is further provided at at least one selected from the drug inlet pipe and the drug outlet pipe.
The multidirectional valve according to claim 1, wherein the joint chamber portion further includes branching means for selectively connecting one or more drug inlet pipes to one drug outlet pipe.
The method according to claim 6, wherein the branching means, the main flow passage connected to the drug outflow tube and the plurality of branch flow passages connected to the at least one drug inlet pipe around the branch body mounted to the joint chamber portion integrally connected through The display unit in the direction of each flow path is provided on the upper side of the branch body, the mixing flow chamber is connected to the branch flow path and the main flow path is provided on the branch body is characterized in that the needle cap is connected to the upper portion Directional valve.
The method according to claim 1, wherein the adjusting cock, a plurality of flow holes of different diameters are formed around the adjusting cock body formed in at least one selected from the drug outlet pipe or drug inlet pipe, the flow hole is the center Multi-directional valve, characterized in that penetrating through each other.
The multi-directional valve according to claim 1, wherein the non-return valve is connected to the nonreturn valve body in a plurality of diaphragm shapes made of a soft material so that the wings overlap each other.
The multidirectional valve according to claim 7, wherein the branch body further comprises a selection channel for connecting one drug inlet pipe to one drug outlet pipe.
The flow check valve of claim 4, wherein the non-return valve includes a tab extending in a concave-convex shape to the inside of the floating chamber, and the floating chamber has one end to which the tab is coupled to the outer diameter width of the check valve. And the other end is tapered to reduce the width of the inner diameter of the non-return valve.