WO2017034091A1

WO2017034091A1 - Drainage port for infusion bag

Info

Publication number: WO2017034091A1
Application number: PCT/KR2015/013480
Authority: WO
Inventors: 이상운
Original assignee: 이상운
Priority date: 2015-08-27
Filing date: 2015-12-10
Publication date: 2017-03-02
Also published as: CN106473922A

Abstract

The present invention relates to a drainage port installed on an infusion bag and used to insert a spike therein and, more particularly, to a drainage port for an infusion bag, comprising: a hollow port body, the lower portion of which is coupled to an infusion bag; a rubber lid mounted on the upper portion of the port body; a finish cap coupled to the upper end of the port body so as to cover the rubber lid; and a soft inner auxiliary cap installed between the rubber lid and the finish cap.

Description

Drainage port for infusion bag

The present invention relates to a drainage port that is installed in the sap bag and used for inserting spikes, and in more detail, a hollow port body having a lower portion coupled to the sap bag, and an upper portion of the port body. It relates to a drainage port for a sap bag consisting of a rubber stopper that is mounted, coupled to the top of the port body to cover the rubber stopper, and a soft inner auxiliary cap installed between the rubber stopper and the closing cap.

Parenteral nutrition, peritoneal dialysis solution, and blood, which are administered to patients for medical purposes, are usually placed in a non-PVC plastic medical solution bag. Are preserved. In addition, such a sap bag is usually provided with a drainage port and an injection port. The drainage port is used to drain the drug stored in the bag by inserting a spike, and the injection port is used to inject other drugs such as antibiotics into the bag by inserting a syringe.

In general, a rubber stopper for inserting a spike or a syringe is installed in a port installed in a medical fluid bag. However, in the case of the injection port, there is no problem because a thin syringe is inserted into the rubber stopper, but in the case of the drainage port in which the thick spike is inserted, it is difficult to insert the spike into the rubber stopper and leakage occurs in the spike marks. There is concern.

In order to solve this problem, the inventors of the Utility Model Registration No. 20-0429645 (October 19, 2006), the upper cylindrical portion and the lower cylindrical portion is made of a single body to have a single layer structure, the upper surface of the upper cylindrical portion An arc-shaped groove portion is formed, and a rubber stopper having a conical groove portion formed in the center of the lower surface of the lower cylindrical portion has been proposed.

The drainage port using the rubber stopper is easy to insert the spike, the spike spontaneously fall out during the drainage, there is no effect of leaking from the spike marks, but the rubber debris in the process of inserting the spike into the rubber stopper It could not solve the concern that it might enter the human body.

In order to alleviate such concerns, Utility Model Registration No. 20-0452452 (February 21, 2011) and the like introduce drainage ports that do not use rubber stoppers. The drainage port of such a structure does not have the risk of rubber fragments caused by spikes, but the structure is complicated because the injection tube should be blocked with an auxiliary plug so that the drug remaining inside the bag does not flow out after the spike is removed. It was inconvenient to use.

[Preceding technical literature]

(Patent Document 1) Republic of Korea Utility Model Registration No. 20-0429645 (October 19, 2006)

(Patent Document 2) Republic of Korea Utility Model Registration No. 20-0452452 (February 21, 2011)

Accordingly, an object of the present invention is to provide a drainage port for a sap bag that is easily inserted without being pushed when the spike is inserted and does not cause rubber debris due to the spike.

Another object of the present invention is to provide a drainage port for a sap bag, in which the spike in the inserted state is firmly gripped and there is no fear that the spike may spontaneously escape due to an external impact.

It is still another object of the present invention to provide a sap bag drain port without fear of drug remaining in the drain bag after the spike is removed.

The present invention, for the sap bag is configured to include a hollow port body coupled to the sap bag, the rubber plug is mounted on the upper portion of the port body, the cap is coupled to the top of the port body to cover the rubber stopper In the drainage port, the rubber stopper includes a guide hole formed to insert a spike in the center of the upper surface, and a blocking film for blocking the bottom of the guide hole, and an inner auxiliary cap made of a soft synthetic resin between the rubber stopper and the closing cap. Is installed, the inner auxiliary cap, characterized in that it comprises a top plate covering the top surface of the rubber stopper, and a guide tube protruding downward from the center of the bottom surface of the top plate in close contact with the guide hole.

The drainage port for the sap bag according to the present invention, since the spike is inserted into the guide hole of the rubber stopper through the guide tube, the rubber stopper is easily inserted without being pushed when the spike is inserted, and there is no fear of rubber debris, furthermore, the rubber stopper There is a wide range of materials to choose from.

In addition, in the state where the spike is inserted, since the elasticity of the rubber stopper firmly holds the spike inserted therein together with the guide tube, there is no fear that the spike will shake or come out by itself.

In addition, since the spike passes through the incision line, the spike mark does not remain even after the spike is removed, and the sealing surface of the incision line closely adheres to each other due to the elasticity of the rubber stopper, thereby preventing leakage.

1 is an exploded perspective view of a drainage port for a sap bag according to an embodiment of the present invention;

2 is a cross-sectional view of the coupling to the drain port of FIG.

3 is a cutaway perspective view of the rubber stopper 20 in FIG.

4 is a cutaway perspective view of the inner auxiliary cap 40 in FIG.

10; Port body 11; Cap housing

12; Sealing tube 20; Rubber stopper

21; Guide hole 22; Barrier

22a; Incision 23; Gumbu

24; Locking groove 25; Inbound Home

30; Closing cap 31; Connecting rib

32; Separation ring 33; Fixed cap

34,34 '; Jamming part 35; Separation cap

40; Internal auxiliary cap 41; Tops

42; Guide tube 43; Jam

44; Extroverted jaw

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention. However, when necessary to more easily describe the structure of each component, for convenience, the up and down directions will be described based on FIGS. 1 and 2.

Drainage port for sap bag according to the present invention, as shown in Figure 1 and 2, the port body 10 and a rubber stopper 20, the closing cap 30 and the inner auxiliary cap 40.

First, the port body 10 is a hollow tube, as shown in Figures 1 and 2, the upper portion is provided with a cap housing 11 having an expanded diameter, the lower side sealing tube body 12 is coupled to the fluid bag ) Is formed. The sealing tube body 12 may be directly sealed to the sap bag, or may be inserted into a tube sealed to the sap bag.

In the former case, the sealing tube body 12 is preferably formed in a rhombic shape to facilitate the sealing operation. In the latter case, the sealing tube body 12 has a cylindrical shape having a diameter corresponding to the tube. 1 illustrates a case where the sealing tube body 12 has a rhombic shape.

Next, the rubber stopper 20 is mounted in the cap housing 11, made of a conventional rubber material. As shown in FIGS. 2 and 3, the rubber stopper 20 is formed with a guide hole 21 for guiding the spike to be in close contact with the center of the upper surface thereof, and a blocking film at the bottom of the guide hole 21. 22).

In addition, an incision line 22a through which the lower end of the spike passes is formed at the center of the blocking film 22, and an annular portion 23 surrounding the incision line 22a is formed at the bottom of the blocking film 22. It is preferable to protrude downward. The cut line 22a is cut into a cross-shaped (+) shape, for example. Thus, when the spike enters into the incision line 22a, the bristle portion 23 is pushed out to be sandwiched between the inner wall of the sealing tube body 12 and the spike so as to prevent the spike from escaping.

The blocking film 22 serves to block the drug stored in the sap bag from flowing out from the spike state. Therefore, the barrier film 22 should have a thickness sufficient to prevent leakage from occurring between the incision lines 22a because the cut surfaces of the incision lines 22a are in close contact with each other by elasticity of rubber in a state where the spike 22 is removed. do.

The closing cap 30 may adopt any structure among the known closing caps of the sap back port as long as it surrounds the rubber stopper 20 and is coupled to the inside of the cap housing 11. 1 and 2 illustrate a flip-off type closing cap 30 as an embodiment of the present invention.

The flip-off type closing cap 30 is composed of a fixed cap 33 and the separation cap 35. The fixed cap 33 is fixedly coupled to the cap housing 11, the lower portion is provided with a separation ring 32 is supported by a plurality of connecting ribs 31 in the center. In addition, the separation cap 35 is provided with a locking protrusion 34 inserted into the separation ring 32 at the center of the lower surface while covering the upper end of the cap housing 11.

Thus, when the end of the locking portion 34 'is heat-compressed as shown in FIG. 2 in the state in which the locking portion 34 is inserted into the separation ring 32, the fixing cap 33 and the separation cap 35 mutually Combined. The flip-off type closing cap 30 is provided in a state in which the fixing cap 33 and the separation cap 35 are coupled by the locking protrusion 34 ′ as shown in FIG. 2.

In another embodiment, the finishing cap 30 may be a so-called easy-peel film structure in which a finishing film (not shown) is attached directly to the fixing cap 33. In this case, the fixing cap 33 does not need a configuration such as the connecting rib 31 and the separation ring 32, the spike can be inserted immediately if only the finish film is separated.

Finally, the inner auxiliary cap 40 is formed between the rubber stopper 20 and the closing cap 30 is made of a soft synthetic resin material. The inner auxiliary cap 40 is preferably made of a polypropylene resin having a Shore A hardness of 70 to 100. 2 and 4, the inner auxiliary cap 40 has a top plate 41 covering the top surface of the rubber stopper 20 and protrudes downward from the center of the bottom surface of the top plate 41. It consists of a guide tube 42 received into the guide hole 21.

The guide tube 42 serves to guide the insertion of the spike and has an inner diameter that closely contacts the outer diameter of the spike, and is received in close contact with the guide hole 21 of the rubber stopper 20. Thus, the spikes penetrating the upper plate 41 pass through the guide hole 21 in close contact with the inner circumferential surface of the guide tube 42.

According to a preferred embodiment of the present invention, the upper end 41 of the inner auxiliary cap 40 is formed with a downwardly bent engaging jaw 43, the upper edge of the rubber stopper 20, the engaging jaw ( A locking groove 24 corresponding to 43 is provided. In addition, an outward annular projection 44 is formed on an outer circumferential surface of the guide tube 42, and an inward annular recess 25 corresponding to the outward annular projection 44 is provided on an inner circumferential surface of the guide hole 21. It is. The locking jaw 43 and the locking groove 24, and the outward protrusion 44 and the inward ring groove 25 function to improve the unity of the rubber stopper 20 and the inner auxiliary cap 40. .

The drainage port for the sap bag according to the present invention, as shown in Figure 2, the port body 10 and the rubber stopper 20, the closing cap 30 and the inner auxiliary cap 40 in the state in which the port in turn The sealing tube body 12 of the body 10 is installed in the sap bag. In order to drain the drug stored in the sap bag, the separation cap 35 of the closing cap 30 is first removed. In this case, as the connecting rib 31 is cut as shown in FIG. 2, the separation ring 32 is separated along with the separation cap 35, and the upper plate 41 center portion of the inner auxiliary cap 40 is separated. Is exposed out

In this state, when the spike is inserted into the center of the upper plate 41 of the inner auxiliary cap 40, the spike is inserted into the guide hole 21 of the rubber stopper 20 in close contact with the guide tube 42. Next, it passes through the blocking film 22. At this time, the spike portion 23 provided on the bottom surface of the blocking film 22 is pushed out and the spike is firmly supported on the inner wall of the sealing tube body 12.

As described above, in the drainage port for the sap bag according to the present invention, since the spike is inserted into the rubber stopper 20 and the guide hole 21 through the guide tube 42, the rubber stopper 20 does not push when the spike is inserted. Easily inserted, there is no fear of rubber fragments in the rubber stopper 20,

Therefore, the present invention has a wide effect that can select the material of the rubber stopper 20. In the prior art, a rubber material of a special material was used to prevent rubber fragments from occurring in the rubber stopper 20 when inserting the spikes.

In addition, since the spike portion 23 of the rubber stopper 20 securely holds the spike inserted into the guide tube 42 together with the guide tube 42 in the inserted state of the spike, there is a fear that the spike may shake or come out by itself. none.

Since the spike passes through the cut line 22a, the spike marks do not remain even after the spike is removed, and leakage occurs because the cut surfaces of the cut line 22a adhere to each other by elasticity of the rubber stopper 20. I never do that.

Although the present invention has been described in detail using the preferred embodiments, the scope of the present invention is not limited by these embodiments. Various design changes may be made by those skilled in the art without departing from the spirit of the present invention. However, it should be construed that it falls within the scope of the present invention unless such a design change results in unexpected unexpected new working effects in the present invention.

Claims

In the fluid port drainage port comprising a hollow port body coupled to the lower sap bag, a rubber stopper mounted on the upper portion of the port body, and a closing cap coupled to the top of the port body to cover the rubber stopper ,

The rubber stopper is configured to include a guide hole formed to insert a spike in the center of the upper surface, and a blocking film to block the bottom of the guide hole,

Between the rubber stopper and the closing cap is installed an inner auxiliary cap made of a soft synthetic resin material,

The inner auxiliary cap includes a top plate covering the top surface of the rubber stopper, and a guide tube protruding downward from the center of the bottom surface of the top plate to be tightly received into the guide hole.
According to claim 1, wherein the center of the blocking film of the rubber stopper is provided with an incision line, the bottom surface of the blocking film is a liquid sap bag drainage port characterized in that the protruding portion is projected around the incision line.
According to claim 1 or 2, wherein the inner auxiliary cap is a drainage port for a sap bag, characterized in that the Shore A hardness is made of polypropylene resin of 70 to 100.
According to claim 1 or claim 2, wherein the upper edge of the upper secondary cap is formed with a downwardly bent locking jaw, the upper edge of the rubber stopper is provided with a locking groove corresponding to the locking jaw Drainage port for infusion bag.
According to claim 1 or 2, wherein the outer periphery of the guide tube is formed with an outwardly annular jaw, the inner periphery of the guide hole is provided with an inwardly annular groove corresponding to the outwardly annular jaw Drainage port.
According to claim 1 or claim 2, wherein the rubber stopper and the inner auxiliary cap is the fluid port drainage port, characterized in that the upper surface is concave recessed.