KR101749534B1

KR101749534B1 - Extendable multiway assembly for medical infusion line

Info

Publication number: KR101749534B1
Application number: KR1020160007237A
Authority: KR
Inventors: 이상운
Original assignee: 이상운
Priority date: 2016-01-20
Filing date: 2016-01-20
Publication date: 2017-06-21

Abstract

The present invention relates to a multi-way assembly used to connect a plurality of fluid tubes in one fluid-in-fluid set or to inject other drugs into a fluid-fluid set using a syringe with a needle removed, and more specifically, A first connection member and a second connection member which are sequentially connected to the lower end of the inflow member, and a connection port unit provided on the side of the first and second connection members, respectively, And is capable of arbitrarily increasing the number of branch lines by alternately joining the first and second connecting members alternately one by one in the longitudinal direction.

Description

{Extendable multiway assembly for medical infusion line}

In general, the term "infusion" refers to a treatment method in which a mixture of water and an electrolyte, an amino acid solution, a glucose solution, etc. is parenterally (non-orally) supplied into a vein or injected into a certain tissue or an artificial solution . And, a tool used to infuse these fluids into the human body for medical purposes is a set of liquids.

1 shows a structure of a set of liquids introduced in Japanese Patent Laid-Open No. 10-2014-0065198 (May 29, 2014), which includes a drawer chamber for drawing out the liquid stored in the liquid bag 10 A connection tube 300 provided at an end of the liquid tube 200 and a flow controller 400 installed at an intermediate portion of the liquid tube 200; Y-shaped branch pipe 500 and the like.

Here, the branch pipe 500 is used to connect another liquid tube (not shown) to the liquid tube 200, or to inject another drug through a syringe. As shown in FIG. 1, since there is only one connection port 510, there is a limitation in that it is not possible to connect several different fluid tubes or to administer different drugs at the same time.

On the other hand, microorganisms which are harmful to the human body or microscopic foreign substances are contained in the human body together with the sap in Patent Documents 10-2012-0035260 (April 16, 2012) and 10-1424934 (July 23, 2014) And a filter member is provided so as to prevent the filter member from being mixed with the filter.

However, since the conventional branch pipe has the filter installed inside the branch pipe, the area of the filter film, that is, the filtration area can not exceed the cross sectional area of the branch pipe, and therefore the flow rate of the liquid passing through the branch pipe The filtration rate of the filter membrane is too slow, and the filter membrane delays the flow of the sap.

Open Patent No. 10-2014-0065198 (May 29, 2014) Open Patent No. 10-2012-0035260 (April 16, 2012) Registration No. 10-1424934 (Jul. 23, 2014)

Accordingly, it is an object of the present invention to provide an apparatus and a method for injecting various different drugs simultaneously by connecting a plurality of different liquid tubes installed in a fluid set or using a needle-removed syringe, And to provide a multiway assembly that can conveniently expand the number.

It is another object of the present invention to provide a multiway assembly having a filter for preventing the foreign substances contained in the body fluid from flowing into the human body, .

The multi-way assembly according to the present invention comprises an inflow member connected to a sap tube of a sap solution set and having an inflow pipe for inflowing the sap, and a lower end of the inflow pipe has a first coupling frame formed on an outer circumferential surface, ; And a second connection frame hermetically coupled to the first connection frame, a port connection pipe protruding from a side of the first connection frame, and a third connection frame having a third connection frame in a circumferential direction at a lower end thereof, A member; And a fourth coupling frame hermetically coupled to the third coupling frame, a port connection pipe protruding from the side, a fifth coupling frame formed in a circumferential direction at a lower end thereof, A second connecting member having a connecting pipe; A connection port unit installed in the port connection pipe and connected to another fluid tube or inserted to insert a syringe in which a needle is removed; A filter unit installed in the filter connection pipe for filtering foreign substances contained in the liquid passing through the second connection member; And a control unit.

The connection port unit comprising: A rubber hole formed in the support hole and having a slit portion formed therein; A first port housing accommodating one half of the rubber container and having an exposing hole for receiving the supporting protrusion and exposing the slit; A second port housing having an insertion tube inserted into the port connection tube at a position corresponding to the center hole, the second port housing receiving the other half of the rubber tip; A protective cap mounted on the exposure hole to protect the slit portion; And a control unit.

The filter unit may further include: a first filter housing having a dish shape having a coupling pipe coupled to the filter connecting pipe on an upper surface thereof; A second filter housing having a shape corresponding to the first filter housing, the second filter housing being coupled to the first filter housing to form a disc-shaped inner space, and having a liquid discharge pipe at its bottom; A filtration membrane installed in an inner space between the first and second filter housings and having a rim portion supported by rim portions of both filter housings; A support body provided on an inner surface of the second filter housing and radially disposed around the discharge pipe to support the filtration membrane; And a control unit.

In the multiway assembly according to the present invention, the first connecting member and the second connecting member are alternately joined to each other by a pair in the longitudinal direction by using the first through fifth coupling frames, whereby a plurality of different fluid tubes or needles There is an effect that the number of branch lines that can connect the removed syringe, that is, the number of the connection port units can be increased by two.

Further, in the multiway assembly according to the present invention, since the filter unit is installed at the lower end of the second connecting member, the foreign matter contained in the liquid can be dispensed with into the human body. In particular, The filtration efficiency is excellent and the flow of the liquid is not disturbed because the filter has a larger diameter and a wider filtration area than the filter connection pipe structurally.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing the construction of a typical liquid set,
2 is a perspective view of a multiway assembly in accordance with the present invention,
3 is an exploded perspective view of the multiway assembly,
Figure 4 is an assembled cross-sectional view of the multi-
Figure 5 is an exploded sectional view of the multi-
6 is a perspective view showing an example of use of the multiway assembly,
7 is a cross-sectional view showing an example of use of the multi-way assembly.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings. However, even if it is indispensable to carry out the present invention, detailed description of the constituent elements that belong to known art or can be easily carried out by the ordinary artisan by the ordinary artisan will be omitted.

2 and FIG. 7 for explaining the present invention, each component is given its own name and reference numerals, irrespective of FIG. 1 introduced as the background art, and for components having the same function and structure, The same names and reference numerals are given irrespective of whether or not they are the same.

2 and 4, the multi-way assembly for a fluid set according to the present invention includes an inflow member 10, a first connection member 20 and a second connection member 30, a connection port unit 40, , And a filter unit (50).

3 and 5, the inflow member 10 has an inflow pipe 11 penetrating up and down at a central axis position, and at the lower end of the inflow pipe 11, The first coupling frame 12 is formed. (Not shown) is inserted into the upper end of the inflow pipe 11, and the inflow pipe 11 is provided around the inflow pipe 11 to support the inflow tube 11 A sleeve tube 13 is provided.

And a handle portion 14 extending from the first coupling frame 12 protrudes around the sleeve tube 13. [ The handle portion 14 helps the user to more easily handle and manipulate the multiway assembly of the present invention.

The first connecting member 20 has a cylindrical structure and has a second coupling frame 21 hermetically coupled to the first coupling frame 12 at an upper end thereof and a port coupling pipe 22 Respectively. A third coupling frame 23 is provided at a lower end of the first coupling member 20 in a circumferential direction.

The second connection member 30 is also a cylindrical structure. The upper end of the second connection member 30 is provided with a fourth coupling frame 31 which is hermetically coupled to the third coupling frame 23. . The second connection member 30 is provided at its lower end with a fifth coupling frame 33 formed in a circumferential direction and a filter coupling pipe 34 protruding downward.

The connection port unit 40 is installed in each of the port connection pipes 22 and 32, and is used to connect another liquid infusion tube or insert a syringe in which a needle is removed. The structure of the connection port unit 40 can be selected by using a suitable structure among connection ports conventionally used.

3 and 5 show the structure of the connection port unit 40 according to an embodiment of the present invention. The connection port unit 40 includes a rubber plug 41, first and second port housings 42 and 43, (44).

A support hole 41b having a reduced outer diameter is protruded at one side of the rubber insert 41 and a slit 41c is cut at the support hole 41b. . The slit portion (41c), for example-shaped or × And a tube connector (not shown) provided at the end of the other liquid tube and a scanning tube (not shown) of the syringe in which the needle is removed are inserted.

The first port housing 42 accommodates one half of the rubber plug 41 and includes an exposure hole 42a for receiving the support protrusion 41b and exposing the slit portion 41c have. The second port housing 43 receives the other half of the rubber plug 41 and is inserted into the port connecting pipes 22 and 32 at positions corresponding to the center hole 41a, (43a).

The rubber plug 41 is completely received in the first and second port housings 42 and 43 in such a state that only the slit portion 41c is exposed through the exposure hole 42a. The protection cap 44 is mounted on the exposure hole 42a to protect the slit portion 41c. The first and second port housings 42 and 43 are coupled to each other by a stepped structure formed in a circumferential direction on the rim.

Lastly, the filter unit 50 is installed in the filter connection pipe 34 of the second connection member 30 and functions to filter foreign substances contained in the sap flowing through the second connection member 30 . The filter unit 50 according to an embodiment of the present invention includes first and second filter housings 51 and 52, a filtration membrane 53,

The first filter housing 51 is formed in a dish shape and has a connection pipe 51a coupled to the filter connection pipe 34 on the upper surface thereof. The second filter housing 52 is in the form of a plate corresponding to the first filter housing 51 and forms a disc-shaped inner space by being coupled with the first filter housing 51 in a direction facing each other, A liquid discharge pipe 52a is provided.

The filtration membrane 53 is installed in an inner space between the first and second filter housings 51 and 52. The rim 53 is supported by the rim portions of the filter housings 51 and 52, ether sulfone, polytetra-fluoroethylene (PTFE), and polyvinylidene fluoride (PVDF). Since the filtration membrane 53 is structurally much larger in diameter than the filter connection pipe 34 and has a large filtration area, the filtration membrane 53 can perform an effective filtration function without interfering with the flow of the fluid.

Lastly, the support fingers 54 are installed on the inner surface of the second filter housing 52 and serve to support the filtration membrane 53 so that it does not fall down by hydraulic pressure of the liquid. The pedestal 54 is preferably radially disposed about the discharge tube 52a so as not to interfere with the flow of the fluid.

The inlet member 10 and the first connecting member 20 are connected to each other by the engagement of the first coupling frame 12 and the second coupling frame 21 and by the engagement of the first coupling member 20 and the second coupling member 30 Are coupled in a linear structure so as to form a center line by the combination of the third coupling frame 23 and the fourth coupling frame 31. At this time, the coupling frames 12, 21, 23, and 31 may have a coupling structure of mutually corresponding protrusions and projections, or may have a coupling structure of corresponding female threads and male threads. O-rings may also be provided in place to maintain the airtightness of these coupling structures.

6 and 7, the first linking member 20 and the second linking member 30 may be additionally coupled in pairs in the lengthwise direction, and the branching line, that is, The number of the connection port units 40 can be increased by two. That is, the second coupling frame 21 of the first coupling member 20 is coupled to the fifth coupling frame 33 at the lower end of the second coupling member 30, 2 connecting member 30 is connected. In this way, the length of the multiway assembly in accordance with the present invention can be extended.

While the present invention has been particularly shown and described with reference to preferred embodiments thereof, the scope of the present invention is not limited by these embodiments. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, this design change will not depart from the scope of the present invention unless a completely new and unexpected effect is exhibited in the present invention.

10; An inflow member 11; Inlet pipe
12, 21, 23, 31, 33; Bonding tee 13; Sleeve tube
14; Handle portions 20,30; Connecting member
22,32; Port connector 34; Filter connector
40; Connection port unit 41; Rubber I
42, 43; Port housing 44; Protective cap
50; Filter units 51 and 52; Filter housing
53; A filtration membrane 54; Flesh

Claims

And an inflow pipe (11) connected to the infusion tube of the infusion set for inflow of the infusion fluid, and an inflow member (11) having a first connection frame (12) formed on the circumference of the inflow pipe 10);
And a second connection frame 21 which is hermetically coupled to the first connection frame 12 is provided at an upper end thereof. A port connection pipe 22 protrudes from a side surface of the second connection frame 21, A first connecting member 20 provided with a coupling frame 23;
And a fourth coupling frame (31) hermetically coupled to the third coupling frame (23) is provided at an upper end thereof. The port coupling pipe (32) protrudes from a side surface of the fourth coupling frame (31) A second coupling member 30 having a coupling frame 33 and a filter coupling pipe 34 protruding downward;
A connection port unit 40 installed in each of the port connection pipes 22 and 32 so as to connect the other liquid tubes or insert the syringe with the needle removed therefrom;
A filter unit 50 installed in the filter connection pipe 34 for filtering foreign substances contained in the liquid passing through the second connection member 30; / RTI >
The connection port unit (40) comprises:
A supporting protrusion 41b whose outer diameter is reduced is protruded on one side of the center hole 41a and the rubber protector 41b on which the slit portion 41c is cut is formed on the supporting protrusion 41b, ;
A first port housing 42 accommodating one half of the rubber plug 41 and provided with an exposure hole 42a for receiving the support protrusion 41b and exposing the slit portion 41c, ;
And a second port housing (43) having an insertion tube (43a) inserted into the port connection pipe (22, 32) at a position corresponding to the center hole (41a) 43);
A protective cap 44 mounted on the exposure hole 42a to protect the slit portion 41c;
Wherein the first and second fluid passages are in fluid communication with each other.

2. The multiway assembly according to claim 1, wherein the first linking member (20) and the second linking member (30) are configured to be alternately joined in pairs in the longitudinal direction.

The inflow pipe according to claim 1 or 2, wherein a sleeve tube (13) for supporting the infusion tube (11) inserted in the inflow pipe (11) is provided around the inflow pipe (11) And a handle portion (14) extending from the first coupling frame (12) protrudes around the pipe (13).

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3. A filter unit according to claim 1 or 2, wherein the filter unit (50) comprises:
Shaped first filter housing (51) having a connecting pipe (51a) to be coupled to the filter connecting pipe (34) on an upper surface thereof;
A second filter housing 51 having a shape corresponding to the first filter housing 51 and forming a disc-shaped inner space by being coupled with the first filter housing 51, 52);
A filtration membrane (53) installed in an inner space between the first and second filter housings (51, 52) and having a rim portion supported by a rim of both filter housings (51, 52);
A support body 54 disposed on the inner surface of the second filter housing 52 and arranged radially around the discharge pipe 52a to support the filtration membrane 53;
Wherein the first and second fluid passages are in fluid communication with each other.