KR20210101530A - Medication tip - Google Patents

Abstract

The present invention relates to a port for intravenous solution bag, capable of coupling a spike or the like without rupturing a rubber stopper, and comprising: a connector joined to a connecting tube of an IV solution bag, a rubber stopper inserted into the other end of the connector; and a capping member coupled to the other end of the connector to prevent separation of the rubber stopper. The rubber stopper comprises: an upper cover part which has a cut-out line through which spikes can be easily connected; a lower coupling part which integrally extends along the periphery of the upper cover part and is inserted into the other end of the connector; and a cavity which serves as a drainage path when discharging contents of the IV solution bag and allows the periphery of the cut-out line to be pushed out or deformed when a spike or the like is connected to the upper cover part. The capping member includes a regulating part formed to be in close contact with an outer surface of the upper cover part of the rubber stopper. The regulating part prevents the rubber stopper from coming off, and the periphery of the cut-out line of the upper cover part is closed to prevent leakage of the contents from the IV solution bag.

Description

Port for sap bag{Medication tip}

The present invention relates to a port for an infusion bag, and more particularly, to a sealing mechanism of the port joined to a connection tube of a medical infusion bag.

In general, in an infusion bag made of synthetic resin (PVC or Non-PVC), a drainage port and an injection port, each of which is closed with a rubber stopper, is connected to two or more connecting tubes provided in the infusion bag, respectively. have.

Among these, a spike thicker than the syringe needle is connected to the drain port so that the contents of the infusion bag can be supplied to the patient. There is a disadvantage that the contents of the infusion bag may leak along the cracks (gap) formed.

On the other hand, in the case of the injection port, since the rubber stopper is pierced with a syringe needle, there is a risk of being stabbed by the needle in the process of handling the syringe.

On the other hand, as a prior art that is the background of the present invention, there are known, for example, pots for infusion bags disclosed in Patent Documents 1 to 3, and briefly introduce each of them, as follows.

In Patent Document 1 (Utility Model Registration No. 20-0385235), a port body inserted into an infusion tube or a drainage tube of an infusion bag, a rubber stopper installed inside the upper end of the port body, and the upper end of the port body are detachably coupled The port body has a cylindrical shape, a small-diameter insertion part is formed at the bottom, an extension part with a gradually increasing diameter is formed in the middle, and a housing surrounding a rubber stopper is formed on the step at the top, and at the top of the housing Disclosed is an infusion port configured to form a curved inwardly bent portion with a thinner thickness so that the inward end of the bent portion supports an upper surface of a rubber stopper. Since the rubber stopper of Patent Document 1 has a concave portion formed in the central portion of the upper and lower surfaces, it is easier to insert a spike or a syringe needle than a conventional rubber stopper having a constant thickness over the entire area of the disc, but the spike is still I have to rupture the rubber stopper with a syringe needle, so there is room for improvement.

Next, in Patent Document 2 (Utility Model Registration No. 20-0429645), a port for an infusion bag comprising a cylindrical port body, a rubber stopper built into the port body, and a cap coupled to the upper end of the port body, the port body of the infusion bag An insert to be inserted into the drainage tube, an extension having a wider diameter at the top of the insert, a housing having a wider diameter than the extension while forming a stepped at the upper end of the extension, and a gentle curve at the upper end of the housing and bent inward The rubber stopper is integrally formed so that the upper cylindrical part inserted into the housing of the port body and the lower cylindrical part inserted into the extension part of the port body have a single-layer structure, Disclosed is a port for an infusion bag in which an arc-shaped groove is formed in the central portion of the upper surface of the upper cylindrical portion and a conical groove is formed in the central portion of the lower surface of the lower cylindrical portion. As in the case of Patent Document 1, the rubber stopper of Patent Document 2 has an effect that it is easier to insert a spike or a syringe needle than a conventional rubber stopper, but this also requires rupturing the rubber stopper with a spike or a syringe needle, so there is no room for improvement have.

Next, in Patent Document 3 (Patent Publication No. 10-2017-0026051), a hollow port body whose lower part is coupled to an infusion bag, a rubber stopper mounted on the upper part of the port body, and a rubber stopper mounted on the upper end of the port body to cover the rubber stopper As a drainage port for an infusion bag having a configuration including a closing cap, an internal auxiliary cap made of soft synthetic resin is installed between the rubber stopper and the closing cap. Disclosed is a drainage port for an infusion bag, which is closed with this blocking film, and has an upper plate that covers the upper surface of the rubber stopper, and a guide tube that protrudes downward from the center of the bottom surface of the upper plate and is accommodated in the guide hole of the rubber stopper. Compared with the ports of Patent Documents 1 and 2 described above, the drain port of Patent Document 3 is a guide hole (cavity) formed in the central portion of the rubber stopper in that the spike can be inserted with little effort. It can be said that it is the closest prior art to However, the drainage port of Patent Document 3 has a more complicated structure than the port according to the present invention.

Patent Document 1: Registered Utility Model Gazette Registration No. 20-0385235 Patent Document 2: Registered Utility Model Gazette Registration No. 20-0429645 Patent Document 3: Laid-Open Patent Publication No. 10-2017-0026051

An object of the present invention is to provide a port for an infusion bag in which the above-described conventional problems can be solved through a simple configuration. More specifically, an object of the present invention is to provide a port for an infusion bag configured to enable injection of a drug into the infusion bag and discharge of an internal solution without rupturing the rubber stopper with a spike or the like.

The problem to be solved by the present invention can be achieved by a port for an infusion bag configured as follows.

[1] The connector that one end is joined to the connecting tube of the infusion bag, and the rubber stopper inserted into the other end of the connector to prevent unauthorized leakage of the contents in the infusion bag and the other end of the connector to prevent separation of the rubber stopper A port for an infusion bag comprising a capping member that becomes The lower coupling part is inserted and fixed inside the other end, and it serves as a drainage path when the content solution in the infusion bag is discharged, and allows the periphery of the incision line to be pushed out or deformed when the spike or syringe is connected to the upper cover part and a cavity for reducing connection resistance of the spike or syringe and preventing rupture of the rubber stopper; The capping member has a regulating part formed to be in close contact with the outer surface of the upper cover part of the rubber stopper, and by this regulating part, separation of the rubber stopper is prevented, and the periphery of the incision line of the upper cover part is closed so that the contents of the infusion bag are leaked without permission. Port for infusion bag, characterized in that this is prevented.

[2] In the port for infusion bag described in [1] above, the connector includes a hollow tube-shaped lower insertion part connected to the connection tube of the infusion bag, a rubber stopper is inserted inside, and a stepped part on the outer periphery has an upper support part formed thereon, and a horizontal partition wall formed with a communication hole through which the liquid inside the infusion bag can be discharged toward the upper support part through the lower insertion part as a partition separating the lower insertion part and the upper support part; The capping member is provided with a locking jaw hooked on the step portion of the connector on the inner surface opposite to the outer surface of the upper support part of the connector, and the coupling state between the connector and the capping member is maintained by engaging the locking step on the step portion of the connector. A port for the sap bag, which is characterized.

[3] The port for an infusion bag according to [2], wherein the rubber stopper further has a protrusion formed on the lower end surface of the lower coupling part.

[4] In the port for infusion bag described in [3] above, the upper surface of the horizontal partition wall on which the rubber stopper is supported, a groove into which a projection formed on the lower surface of the lower coupling part of the rubber stopper can be fitted is further formed. .

[5] In the port for infusion bag according to any one of [1] to [4], the outer diameter of the upper cover portion of the rubber stopper and the inner diameter of the regulating portion of the capping member gradually increase in size as they go upward. .

The port for infusion bag according to the present invention can easily connect spikes and the like through the incision line and cavity formed in the rubber stopper, so it can solve the disadvantages of the conventional port for infusion bag of the type that ruptures the rubber stopper with a spike, etc. have.

In addition, according to the present invention, since the periphery of the incision line of the rubber stopper is closed by the regulating part of the capping member, the spike and the surrounding rubber are in close contact with the rubber stopper in a state where the spike penetrates the rubber stopper, and in the conventional infusion bag port It can solve the problem of leakage of the contents of

1 is a combined perspective view of a port for an infusion bag according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along line AA of Fig. 1;
Figure 3 is a combined cross-sectional view of a port for an infusion bag according to another embodiment of the present invention.
Fig. 4 is a view showing a state in which a port for an infusion bag according to an embodiment of the present invention is connected to one of the connecting tubes of the infusion bag;

Hereinafter, an embodiment of a port for an infusion bag according to the present invention will be described in detail based on the accompanying drawings.

1 is a combined perspective view of a port for an infusion bag according to an embodiment of the present invention.

As shown in FIG. 1 , the port for infusion bag according to the present invention is basically composed of a connector 100 , a rubber stopper 200 , and a capping member 300 .

The connector 100 and the capping member 300 can be made of synthetic resin, and are preferably made of polypropylene (PP) resin.

The rubber stopper 200 is preferably made of silicone rubber.

2 is a cross-sectional view taken along line A-A of FIG. 1 of a port for an infusion bag according to an embodiment of the present invention, showing the detailed structure of the main components.

1 and 2, the connector 100 according to the embodiment includes a lower insertion part 110 in the form of a hollow tube that tapers downward, and a rubber stopper 200 into which the outer periphery is inserted. ) as a partition wall separating the upper support part 120 having a stepped part 121 on the side, and the lower inserting part 110 and the upper support part 120, the contents of the infusion bag are stored in the lower insert part 110 The communication hole 132 for discharging toward the upper support 120 through the horizontal partition wall 130 is formed in the central portion. In addition, a groove 131 into which the protrusion 221 formed on the lower end surface of the lower coupling part 220 of the rubber stopper 200 can be inserted is formed on the upper surface of the horizontal partition wall 130 .

Next, the rubber stopper 200 according to an embodiment of the present invention is an incision line 211 that allows a spike or part of a syringe (eg, a needle or a needle adapter) to penetrate without rupturing the rubber stopper. The formed upper cover part 210 and the upper cover part 210 are integrally extended from the periphery, are inserted and fixed to the upper support part 120 of the connector 100, and the upper surface of the horizontal partition wall 130 of the connector 100 The lower coupling part 220 having a protrusion 221 formed on the lower surface in contact with the lower coupling part 220, and a spike or syringe through the incision line 211 of the upper cover part 210 and serving as a drainage path when the contents of the infusion bag are discharged. A cavity 230 is provided to reduce the resistance according to the penetration when a part of the intrusion is penetrated.

In the illustrated example, two cut lines 211 are formed on the upper cover part 210 and are shown to be orthogonal to each other, but the number of cut lines 211 and their intersection angle are not limited.

Next, the capping member 300 according to an embodiment of the present invention includes a control part 310 formed to be in close contact with the outer surface of the upper cover part 210 of the rubber stopper 200 , and an upper support part of the connector 100 . It is formed on the inner surface surrounding the 120 is provided with a locking projection 320 caught on the stepped portion 121 of the connector (100).

3 is a cross-sectional view of a port for an infusion bag according to another embodiment of the present invention, in which a groove 131 is formed in the horizontal partition wall 130 of the connector 100 in the embodiment of FIG. The embodiment is different in that there is no groove 131 in the horizontal partition wall 130 .

Since the rubber stopper 200 of the port for infusion bag according to the present invention has a protrusion 221 formed on the lower end surface of the lower coupling part 220, when the groove 131 is formed in the horizontal partition wall 130, By making the groove 131 and the protrusion 221 correspond, the position of the rubber stopper can be determined.

On the other hand, when there is no groove 131 in the horizontal partition wall 130, the adhesion between the spike and the surrounding rubber can be improved by the spring function of the protrusion 221 . Specifically, when a spike or the like is penetrated into the rubber stopper 200 , the protrusion 221 is compressed and deformed by an external force applied through the spike or the like, and elastic restoring force is accumulated in the protrusion 221 in this process. Thereafter, when the spike or the like completely penetrates the rubber stopper 200 and there is no need to apply an external force any more, the elastic restoring force is released in the direction of restoring the abnormal state (deformation and/or position change) of the rubber stopper 200 to its original state. will become

4 shows a state in which the port for an infusion bag according to the present invention is connected to either connection tube 410 of the infusion bag 400, in the illustrated example, the needle adapter 510 of the syringe body 500 is It is assumed that intrusion into the rubber stopper (200).

The port for an infusion bag according to the present invention is considered to be most effective when used as a drainage port, but may also be used as an infusion port.

Meanwhile, in the illustrated example, the upper cover portion 210 of the rubber stopper 200 has an exposed upper surface, and the exposed portion may be covered with an easy-peel film.

100… connector
110… lower insert
120… upper support
121… step
130… horizontal bulkhead
131… home
132… through hole
200… rubber stopper
210… upper cover
211… incision
220… lower joint
221… spin
230… public
300… capping member
310… Regulatory Department
320… stumbling block
400… sap bag
410... connecting tube
500… syringe body
510… needle adapter

Claims (5)

A connector having one end joined to the connecting tube of the infusion bag, a rubber stopper inserted into the other end of the connector to prevent unauthorized leakage of the contents in the infusion bag, and a capping coupled to the other end of the connector to prevent separation of the rubber stopper A port for an infusion bag comprising a member,
rubber stopper,
An upper cover portion having an incision line that allows a spike or syringe to be connected without rupture of the rubber stopper;
a lower coupling part integrally extending from the periphery of the upper cover part and inserted and fixed inside the other end of the connector;
It serves as a drainage path when discharging the contents of the infusion bag and allows the periphery of the incision to be pushed out or deformed when the spike or syringe is connected to the upper cover, thereby reducing the connection resistance of the spike or syringe and reducing the rubber stopper. having a cavity that prevents rupture;
The capping member is
A regulating part formed to be in close contact with the outer surface of the upper cover part of the rubber stopper is provided, and the rubber stopper is prevented from being separated by the regulating part, and the periphery of the incision line of the upper cover part is compressed to prevent unauthorized leakage of the contents solution in the infusion bag. port for sap bag. The method according to claim 1,
connector,
A lower insertion part in the form of a hollow tube connected to the connection tube of the infusion bag,
An upper support part with a rubber stopper inserted inside and a stepped part formed on the outer periphery;
As a partition wall separating the lower insertion part and the upper support part, it has a horizontal partition wall having a communication hole through which the contents of the infusion bag can be discharged toward the upper support part through the lower insertion part,
The capping member is
A locking jaw caught on the step portion of the connector is further provided on the inner side opposite to the outer surface of the upper support part of the connector, and the coupling state of the connector and the capping member is maintained by the engaging action of the locking jaw on the step of the connector. port for sap bag. 3. The method according to claim 2,
rubber stopper,
Port for infusion bag, characterized in that the protrusion is further formed on the lower surface of the lower coupling part. 4. The method according to claim 3,
On the upper surface of the horizontal bulkhead on which the rubber stopper is supported,
A port for infusion bag, characterized in that a groove is further formed into which the protrusion formed on the lower surface of the lower coupling part of the rubber stopper can be inserted. 5. The method according to any one of claims 1 to 4,
An infusion bag port, characterized in that the outer diameter of the upper cover portion of the rubber stopper and the inner diameter of the regulating portion of the capping member increase upward.

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