KR20180051870A - Hemodialysate container of self-standing plastic bag type - Google Patents

Abstract

The present invention relates to a self-standing plastic bag container for storing dialysis fluids. More specifically, the self-standing plastic bag container comprises: a first sheet and a second sheet made of a flexible elastomer sheet and having shapes corresponding to each other; a third sheet and a fourth sheet having shapes corresponding to each other; and an inlet member sealed between upper edges of the first sheet and the second sheet to allow the contents to enter in and out of a container. When there is no content in the container, the container can be folded flat. In addition, the container is able to stably stand without falling even when a level of the contents gets lower as the container is filled with the contents. In addition, EO gas sterilization or gamma sterilization are possible as well.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a hemodialysate container for self-

The present invention relates to a self-supporting plastic bag container for storing a hemodialyte solution, and more particularly, to a self-supporting plastic bag container for storing a hemodialyte solution, which comprises a first sheet and a second sheet made of a flexible elastomer sheet, And an inlet member which is sealed between the tops of the first and second sheets to allow the contents to be introduced into and out of the container, so that when the contents are not contained in the container, The present invention relates to a plastic bag container capable of sterilizing EO gas or gamma sterilization, which can maintain stable self-sustenance even when the contents of the container are filled with water even when the water level is lowered.

Generally, there are hemodialysis, peritoneal dialysis, and kidney transplantation as the methods by which patients with chronic renal failure can sustain life, the most common treatment being hemodialysis. The hemodialysis is a method of removing electrolytes from the blood of a patient by a difference in concentration between the blood and the dialysis liquid by bringing the blood of the patient into contact with the dialysis fluid at the boundary of the dialysis membrane and simultaneously supplying the electrolytic components necessary for the body to the blood of the patient , Artificial kidney and dialysis filter, dialysis fluid, blood line, and purified water (R / O water).

Hemodialysate consists of liquid A and liquid B. About 5 liters of liquid A and liquid B are used per dialysis per patient. So, for a hospital where about 80 dialysis patients are being treated, use about 10 tons of dialysis fluid monthly. The dialysis solution currently on the market is supplied to each hospital in a state of being stored in a container of about 5 liters, and the dialysis fluid container is provided next to each artificial elongation device and dialysis treatment is performed.

Conventional hemodialyte containers have used rigid rigid plastic containers to support the weight of the contents and further to facilitate storage and transportation. Such a conventional hemodialyte container is easy to be loaded and has no fear of breakage and can be stably provided next to the artificial renal unit during the dialysis treatment. However, since the thickness of the container is thick, the amount of raw materials used is large, Further, there is a problem that it takes a lot of space and cost to store or collect empty containers after use.

In order to solve this problem, WO 2007/140942 and corresponding Korean Patent No. 10-1412442 disclose a self-standing bag type dialysis liquid made of a flexible elastomer sheet Courage is introduced. Such a flexible bag container is advantageous in that it consumes a smaller amount of raw materials than conventional hard plastic containers and is easy to store and recover empty containers after use. However, durability enduring the load of the contents is secured, But also to maintain the self-standing as it is without collapsing, so that the whole structure is complicated and the manufacturing is difficult.

Korean Patent No. 10-1412442 (June 19, 2014) Japanese Patent Laid-Open No. 2001-278339 (October 10, 2001)

Accordingly, it is an object of the present invention to provide a hemodialyte container in the form of a self-supporting plastic bag which consumes less raw material than conventional hard plastic containers and is easy to store and recover after use.

Another object of the present invention is to provide a hemodialyte plastic bag container which can be easily sterilized by EO gas or gamma sterilized in a state where the whole structure is simple and easy to manufacture, and in particular, the contents are filled.

A self-standing plastic bag container for storing a hemodialyte solution according to the present invention comprises a flexible elastomeric sheet and includes a first sheet and a second sheet, a third sheet and a fourth sheet corresponding to each other, And an inlet member for allowing the contents to flow into and out of the container.

Wherein the first sheet and the second sheet have first and second left sides and first and second right sides spaced apart in the longitudinal direction and first and second left and right first and second left and right sides connecting the upper ends of the first and second left and right sides horizontally, First and second left hypotenuses and first and second right hypotenuses bent obliquely inwardly at the lower ends of the first and second left and right sides, And has a lower side.

The third sheet and the fourth sheet have third and fourth left sides and third and fourth right sides spaced apart in the longitudinal direction and third and fourth phase sides connecting the upper ends of the third and fourth left and right sides horizontally, And third and fourth left hypotenuse and third and fourth right hypotenuse which are bent inwardly at the lower ends of the third and fourth right and left sides and meet at the first and second vertexes, respectively.

Wherein the first left side and the second left side are on the third right and left side, the first right side and the second right side are on the left and right sides, and the first left hypotony and the second left hypocycle are on the third left and right sides, And the first right hypotenuse and the second right hypotenuse are respectively sealed at the left and right hypotenuse and the third upper side and the fourth upper side are respectively folded in half, The inlet member is sealed between the first upper side and the second upper side, and the first lower side is sealed directly to the second lower side.

Since the third sheet and the fourth sheet are in close contact with each other between the first sheet and the second sheet in a state in which the third sheet and the fourth sheet are folded in half in the state that no contents are present in the container, So that it is easy to store and recover.

Further, since the self-supporting type plastic bag container according to the present invention can sterilize the contents in the container, the manufacturing process is easy, and even when the level of contents is low, the container is not collapsed and the self- There is an easy-to-use effect.

1 is a view showing the structure of a first sheet 10 and a second sheet 20 in the present invention,
2 is a view showing the structure of a third sheet 30 and a fourth sheet 40 in the present invention,
3 is a perspective view showing a state in which the container 100 of the present invention is folded,
4 is a perspective view showing a state in which the container 100 of the present invention stands up,
Fig. 5 is a bottom view of Fig. 4,
6 is an exploded perspective view of the inlet member 50 in the present invention,
7 is an exploded cross-sectional view of the inlet member 50. FIG.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings. However, these drawings are merely examples for illustrating the present invention more easily, and the scope of the present invention is not limited by these embodiments. In addition, even if the configuration is indispensable for carrying out the present invention, detailed description of constituent elements that are well known in the art or which can be easily carried out by the ordinary artisan will be omitted.

In the present invention, assigning names such as 'first' and 'second' to some elements is used only to indicate that they are different elements. In the present invention, the term "sealing" refers to bonding two or more sheets of synthetic resin sheets together by a method such as heat fusion or high-frequency fusion bonding.

The self-supporting plastic bag container 100 according to the present invention is made of a flexible elastomeric sheet and includes a first sheet 10 and a second sheet 20, a third sheet 30 and a fourth sheet 40, And an inlet member (50). Here, the sizes and shapes of the first sheet 10 and the second sheet 20 are the same, and the shapes of the third sheet 30 and the fourth sheet 40 are the same.

1, the first sheet 10 includes a first left side 11 and a first right side 12 spaced apart in the longitudinal direction and a first left side 11 and a second right side 12, And a first upper side 13 connecting the upper end thereof horizontally. A first left hypotenuse 14 and a first right hypotenuse 15 which are obliquely inwardly bent are connected to the lower ends of the first left and right sides 11 and 12 and the first right and left hypotenuses 14 and 15 are connected to each other. The first lower side 16 is horizontally connected to the lower side.

The second sheet 20 also includes a second left side 21 and a second right side 22 spaced apart in the longitudinal direction and a second left side 21 and a second right side 22 which horizontally connect the upper ends of the second left and right sides 21, And has a two-phase side 23. The second left hypotenuse 24 and the second right hypotenuse 25 are connected to the lower ends of the second left and right sides 21 and 22 and the second right and left hypotenuses 24 and 25 are connected to each other. And the second lower side 26 is connected to the lower end by a number of pieces.

2, the third sheet 30 includes a third left side 31 and a third right side 32 that are spaced apart in the longitudinal direction and a third left side 31 and a third right side 32, And a third upper edge 33 connecting the upper end of the second upper edge 33a and the upper edge of the second upper edge 33b. The third left hypotenuse 34 and the third right hypotenuse 35 are obliquely inwardly bent at the lower ends of the third left and right sides 31 and 32 and the lower left At the first vertex V1.

The fourth sheet 40 also includes a fourth left side 41 and a fourth right side 42 which are spaced apart in the vertical direction and an upper end of the fourth left and right sides 41 and 42 horizontally (43). The fourth left hypotenuse 44 and the fourth right hypotenuse 45 are obliquely inwardly bent at the lower ends of the fourth left and right sides 41 and 42 and the lower right end of the fourth left hypotenuse 44, At the second vertex V2.

3, the first left side 11 and the second left side 21 of the self-supporting type plastic bag container 100 according to the present invention are arranged at the third left side 31 and the third right side 21, And the first right side 12 and the second right side 22 are sealed to the fourth left side 41 and the fourth right side 42, respectively.

The first left hypotenuse 14 and the second left hypotenuse 24 are sealed to the third left hypotenuse 34 and the third right hypotenuse 35 respectively. 2 right hypotenuse 25 are sealed to the fourth left hypotenuse 44 and the fourth right hypotenuse 45, respectively.

In addition, the third upper side 33 is half-folded in a half part of the left side of the first upper side 13 and the left side part of the second upper side 23, and the fourth upper side 43 is half- In a folded state, and is half-sealed in the right part of the first upper side 13 and the right part of the second upper side 23, respectively.

The inlet member 50 is sealed at an intermediate portion between the first upper side 13 and the second upper side 23. The inlet member 50 may be any member as long as it can be sealed between the first upper side 13 and the second upper side 23, where the inlet member 50 allows the contents to flow into the container 100.

The inlet member 50 is disposed between the first and second upper sides 13 and 23 in a state where the third upper side 33 and the fourth upper side 43 are half- The lengths of the first and second top sides 13 and 23 should be slightly larger than the length of the third and fourth top sides 33 and 43 plus the diameter of the inlet member 50 Do.

Finally, the first lower side 16 is sealed directly to the second lower side 26.

According to a preferred embodiment of the present invention, an annular handle 60 is provided on both the first and second upper sides 13 and 23 with the inlet member 50 as a center. At this time, the supporting portions 61 of the handle 60 are preferably installed at an intermediate portion where the third upper side 33 is folded and at an intermediate portion where the fourth upper side 43 is folded.

Since the middle portion where the third upper edge 33 is folded and the middle portion where the fourth upper edge 43 is folded are sealed at one point of each of the three different sheets, there is a high possibility of leakage failure. ) Functions to prevent leakage by enhancing the adhesive force of these three sheets.

The support portion 61 is a place where the load of the contents is concentrated and is easy to be torn. An intermediate portion where the third upper side 33 is folded and an intermediate portion where the fourth upper side 43 is folded are four folds The portions where the support portions 61 are provided are less likely to be torn.

3, the hemodialyte container 100 according to the present invention is configured such that the third sheet 30 and the fourth sheet 40 are folded in half while the first sheet 30 10) and the second sheet (20).

4 and 5, the lower portions of the first to fourth sheets 10 to 40, that is, the first right and left hypotenuses 14 and 15 and the second right and left hypotenuses 24 25, the third right and left hypotenuses 34, 35 and the fourth right and left hypotenuses 44, 45 are folded so that the container 100 stands up while forming one bottom surface.

As shown in FIG. 5, the bottom surface is provided with a sealing line in which the first left hypotenuse 14 and the second left hypotenuse 24 meet the third left hypotenuse 34 and 35, A sealing line at which the first right lower side 25 and the second right lower side 25 meet the fourth right and left hypotenuses 44 and 45 and a sealing line at which the first lower side 16 and the second lower side 26 meet, And is placed on a plane to support the container 100.

Preferably, the first to fourth sheets 10, 20, 30, 40 are made of polyethylene.

6 and 7 illustrate the structure of the inlet member 50 according to an embodiment of the present invention and include a cap housing 51, an inner cap 52, and an outer cap 53. FIG. In order to drain the dialysis solution stored in the hemodialyte container 100 of the present invention, the outer cap 53 is first removed, and a separate drain tube (not shown) is inserted into the inner cap 52 to force the dialysis solution Drain.

First, the cap housing 51 is a cylindrical tubular body having a male screw portion 51a and a sealing portion 51b at the upper end and a lower end of the outer diameter portion, respectively, and a latching jaw 51c is protruded at the middle of the inner diameter portion. The sealing portion 51b is a portion sealed between the first upper side 13 and the second upper side 23 and is preferably formed in a rhombic shape or a human eye shape to prevent leakage.

The inner cap 52 has a cylindrical body 52a which is closely inserted into the cap housing 51. An O-ring 52b is provided at the outer circumference of the cylindrical body 52a . Upper ends and lower ends of the cylindrical body 52a are provided with upper end flanks 52c and elastic hook portions 52d in the circumferential direction, respectively.

The upper flange 52c overlaps the upper edge of the cap housing 51 to prevent the cylindrical body 52a from further entering into the cap housing 51 and the elastic hook 52d Is engaged with the engaging step 51c to prevent the cylindrical body 52a from escaping from the cap housing 51. [ Therefore, the inner cap 52 is fixedly installed in the cap housing 51 by the upper flange 52c and the elastic hook 52d.

An axial end stop 52e for reducing an inner diameter of the cylindrical body 52a and an axial endoscope 52f protruding downward from the cap housing 51 through the axial end stop 52e are provided . The axial tube 52f functions to guide the insertion of a drain tube (not shown) when draining a blood dialysis solution stored in the container 100, and to support the tube so that the drain tube does not collapse.

Finally, the outer cap 53 covers the upper end of the inner cap 52 and has a female threaded portion 53a corresponding to the male threaded portion 51a.

In addition, the inner cap 52 is provided with a rubber stopper 54 disposed on the shaft end stop 52e and having a slit 54a cut at the center thereof and a rubber stopper 54 welded to the upper end stop 52c, An ezifilm film 55 that seals the inside of the film 55 may be provided. The rubber stopper 54 and the gripper film 55 function to prevent contamination of the hemodialysis solution stored in the container 100 and prevent foreign matter such as dust from being mixed therein.

The self-supporting plastic bag according to the present invention is particularly adapted for storing a hemodialyte solution, but such use does not limit the scope of protection of the present invention.

10, 20, 30, 40; Sheets 11, 21, 31, 41; Left side
12, 22, 32, 42; Right side 13, 23, 33, 43; Phase
14, 24, 34, 44; Left hypotenuse 15,25,35,45; Right hypotenuse
16, 26; Lower
50; An inlet member 51; Cap housing
52; Inner cap 53; Outer cap
54; A rubber plug 55; Easy-peel film
60; Handle 61; Support
100; Vessels V1, V2; vertex

Claims (6)

In a self-standing plastic bag (100) for storing a hemodialyte solution made of a flexible elastomer sheet,
(11) and a first right side (12) spaced apart in the longitudinal direction, a first upper side (13) connecting the upper ends of the first left and right sides (11, 12) horizontally, The first left hypotenuse 14 and the first right hypotenuse 15 which are obliquely inwardly bent at the lower ends of the left and right sides 11 and 12 and the lower ends of the first right and left hypotenuses 14 and 15 are horizontally connected to each other A first sheet (10) having a first lower side
A second left side 21 and a second right side 22 spaced apart in the longitudinal direction and a second upper side 23 connecting the upper ends of the second left and right sides 21 and 22 horizontally, The second left hypothetical side 24 and the second right hypothetic side 25 which are obliquely inwardly bent at the lower ends of the two left and right sides 21 and 22 and the second right hypothetical side 25 and the lower ends of the second right and left hypotenuses 24 and 25 are horizontally connected to each other A second sheet (20) having a second lower side (26) to which the first sheet
A third left side 31 and a third right side 32 spaced apart in the vertical direction and a third upper side 33 connecting the upper ends of the third left and right sides 31 and 32 horizontally, A third seat 30 having a third left hypotenuse 34 and a third right hypotenuse 35 bent diagonally inward at the lower ends of the left and right sides 31 and 32 and meeting each other at the first vertex V1;
A fourth left side 41 and a fourth right side 42 spaced apart in the longitudinal direction and a fourth upper side 43 connecting the upper ends of the fourth left and right sides 41 and 42 horizontally, A fourth sheet 40 having a fourth left hypotenuse 44 and a fourth right hypotenuse 45 bent obliquely inwardly at the lower ends of the left and right sides 41 and 42 and facing each other at the second vertex V2;
And an inlet member (50) for inserting and removing the contents into the container (100)
The first left side 11 and the second left side 21 are connected to the third left and right sides 31 and 32 and the first right side 12 and the second right side 22 are connected to the fourth left and right sides 31 and 32. [ The first left hypotenuse 14 and the second left hypotenuse 24 are disposed on the sides 41 and 42 at the third right and left hypotenuses 34 and 35 and at the first right hypotenuse 15 and second right The hypotenuse 25 is sealed to the fourth right and left hypotenuses 44 and 45, respectively,
The third upper side 33 and the fourth upper side 43 are sealed between the left part and the right part of the first upper side 13 and the left side part of the second upper side 23 in a folded state, The inlet member 50 is sealed between the upper side 13 and the second upper side 23,
And the first lower side (16) is sealed directly to the second lower side (26).

The method according to claim 1,
The support portions 61 of the annular handle 60 are respectively engaged with the first sheet 10 and the second sheet 30 at the middle portion where the third upper side 33 is folded and the middle portion where the fourth upper side 43 is folded, 20. The self-supporting plastic bag according to claim 1,
3. The method according to claim 1 or 2,
The third sheet 30 and the fourth sheet 40 are brought into close contact with each other between the first sheet 10 and the second sheet 20 in a state in which the third sheet 30 and the fourth sheet 40 are folded in half, A sealing line at which the first left hypotenuse 14 and the second left hypotenuse 24 meet the third left hypotenuse 34 and 35 and a second sealing line at which the first right hypotenuse 15 and the second right A sealing line where the hypotenuse 25 meets the fourth right and left hypotenuses 44 and 45 and a sealing line where the first lower side 16 and the second lower side 26 meet are disposed on one plane, (100). ≪ RTI ID = 0.0 > 11. < / RTI >
3. The method according to claim 1 or 2,
The lengths of the first upper side 13 and the second upper side 23 are greater than the length of the third upper side 33 and the fourth upper side 43 plus the diameter of the inlet member 50 Features a self-contained plastic bag.
3. An apparatus according to claim 1 or 2, wherein said inlet member (50)
A cylindrical tubular body is provided with a male threaded portion 51a at the upper end and a lower end of the outer cylindrical portion and a sealing portion 51b sealed between the first upper side 13 and the second upper side 23, A cap housing 51 in which a latching protrusion 51c protrudes;
The cylindrical body 52a has an O-ring 52b for maintaining airtightness in an outer diameter portion of the cylindrical body 52a. An O-ring 52b is provided to the upper end of the cylindrical body 52a, And an elastic hook portion 52d which is engaged with the engagement protrusion 51c is provided at a lower end of the cylindrical housing 52. The upper end of the cylindrical body 52c And an inner cap 52 (52a) provided with an axial end stop 52e for reducing an inner diameter and an axial end pipe 52f protruding downward from the cap housing 51 through the axial end stop 52e, )and;
An outer cap 53 covering the upper end of the inner cap 52 and having a female threaded portion 53a corresponding to the male threaded portion 51a;
Wherein the plastic bag is a plastic bag.
6. The method of claim 5, wherein the inner cap (52) further comprises a rubber stopper (54) disposed on the shaft end stop (52e) and having a slit (54a) And an easy paper film (55) for sealing the inside of the cylindrical body (52a) is provided.

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