KR20060118162A - Connecting structure of sap back and sap set - Google Patents

Abstract

A connection structure of solution bag and solution set is provided to prevent the solution from being leaked and to achieve the more airtight and hygienic and safer connection between the solution bag and the solution set, as well as to reduce the production processes by improving the structure of the solution infusing part. The connection structure of solution bag and solution set comprises: a body(100), storing the infusion solution; a solution infusing part(200), fused to one side of the body(100) and used as a passage for infusing the solution; a solution leading-out part(300), leading out the solution from the body(100); a drip tube(400), connected to the solution leading-out part(300); a solution hose(500), used as a passage through which the solution, temporarily stored in the drip tube(400), flows; a needle(700), connected to an end of the solution hose(500) so as to inject the solution into a blood vessel of a patient; and an adjuster(600), connected to the outside of the hard solution hose(500), and adjusting the solution amount, led out from the body.

Description

CONNECTING STRUCTURE OF SAP BACK AND SAP SET}

1 is a perspective view showing a combined state of a sap bag and a sap set according to the prior art,

Figure 2 is a perspective view showing the combined state of the sap bag and the sap set according to a preferred embodiment of the present invention,

Figure 3 is an enlarged cross-sectional view of the main portion of the infusion portion shown in Figure 2,

Figure 4 is an enlarged cross-sectional view of the main portion of the infusion portion shown in Figure 2, and

5 is an exploded perspective view of a portion of the infusion pack and infusion set shown in FIG.

<Description of Symbols for Main Parts of Drawings>

100: main body 110: hook hole

200: infusion section 210: infusion tube

211: hollow portion 220: second cap

230: coupling portion 240: first cap

300: sap withdrawal unit 310: sap withdrawal tube

311: fastening portion 313: sealing portion

320: sealing cap 330: connector

331: insertion portion 333: sealing projection

335: hollow portion 340: blocking film

400: drip tube 500: infusion tube

600: regulator 700: needle

The present invention relates to a sap bag and a sap set, and more particularly, by combining the sap bag and the sap set by a screw coupling means, the sap bag and the sap set are improved, and the leakage preventing function is improved. It is about a structure.

In general, sap such as physiological saline and glucose used in a hospital for treating a patient or performing a surgical operation is stored in a sap container having a certain form, and such sap containers are largely divided into sap bottles and sap bags according to the material of the container. do.

As such, in the use of the distinctive fluid container, the infusion bottle is easily broken and requires special care in handling. Therefore, in modern times, the bottle is less likely to be damaged than the infusion bottle, and is made of a flexible material for easy use and disposal. Sap bags are widely used.

In addition, in order to inject the patient with the fluid stored in the sap bag is provided with a set of fluids connected to the sap bag is to deliver the selected fluid to the blood vessels of the patient.

This infusion bag and infusion set is briefly shown in FIG.

As shown in FIG. 1, the sap bag has a main body 10 into which the sap is injected through the infusion tube 20, and a sap injection tube 20 formed through one side of the main body 10 to inject a predetermined sap. It is provided with a fluid extraction tube 30 formed in order to deliver the fluid stored in the body 10 to the patient.

At the ends of the infusion tube 20 and the induction tube 30, sealing caps 21 and 31 having a soft rubber packing (not shown) are inserted therein.

In addition, the sealing cap (21, 31) is one end of the infusion tube 20 and the induction tube 30 is heat-sealed to the main body 10 and the other end of the connection pipe is inserted into each open hollow (not shown) And, the rubber packing (not shown) is fitted in the space formed inside the inserted connection tube, it is configured to wrap the outer edge of the connection tube with a predetermined synthetic resin to fix the rubber packing (not shown).

In addition, the infusion set is inserted into the hollow needle 41 in the rubber packing (not shown) inside the sealing cap 31 coupled to the induction tube 30 to connect the fluid for drawing the sap stored in the main body 10 ( 40) is coupled to the connecting body 40 is connected to the sap is communicated to the other end of the dropping tube 50, the dropping tube 50 is temporarily stored in the sap drawn from the hollow needle 41 of the connector 40 It is connected to the other end of the fluid tube 60, the fluid tube 60 connected to the needle 80 for injection into the blood vessel of the patient, coupled to the outside of the fluid tube 60 to apply pressure to the soft fluid tube 60 By adjusting the fluid communication area of the infusion tube 60 is made of an adjuster 70 for adjusting the amount of the fluid drawn out from the sap bag.

The conventional sap bag and the sap set having such a configuration are difficult to assemble by directly inserting a rubber packing (not shown) into the fluid infusion tube 20 and the sap extraction tube 30 structurally soft rubber packing (not shown) ) Is manufactured separately to the rigid connecting pipe, the connecting pipe is connected to the infusion tube 20 and the fluid intake tube 30, respectively, and the outer edge is fixed to fix the inserted rubber packing (not shown) There was a problem in that the productivity is reduced because the need to additionally wrap the synthetic resin.

In addition, there is a problem in that rubber fragments are generated and mixed with the sap while inserting the connecting body 40 of the sap set into the rubber packing (not shown) of the sealing cap 31 coupled to the sap extraction pipe 30, There was a problem that a small amount of the sap stored in (10) leaks.

In addition, the connector 40 is fixed due to the frictional force generated by inserting the hollow needle 41 of the connector 40 into the rubber packing (not shown) fixed and inserted into the infusion pipe 30. This connection method is to connect the sap bag and the sap set for injecting a predetermined fluid to the patient, and it can be separated without difficulty even if it is intended for the patient with low mobility, which may cause serious emergency in the patient. There was a problem.

Therefore, the present invention has been made to solve the above problems, the object of the present invention is to screw the coupling of the sap bag and the set of the fluid set and add a sealing device to prevent leakage of the sap and more airtight and safe It is to provide a connecting structure of the sap bag and the sap set to be connected.

In addition, another object of the present invention is to improve the structure of the infusion infusion unit to reduce the manufacturing process and to provide a more hygienic and safe infusion bag and the connection structure of the infusion set.

In order to achieve the above object, the present invention, in the sap bag and the sap set provided with a sap injection unit for injecting the sap to the main body and the withdrawal unit for withdrawing the injected sap, the sap extracting unit, A fluid extraction tube, which is a passage through which fluid is drawn out to one side, and a fastening part having a screw guide line formed on an inner circumference of the fluid delivery pipe, and a sealing cap for fusion to the outside of the other end of the fluid delivery pipe to open and close the connection part. And a connecting body having an insertion part symmetrically formed so that the sealing cap is opened and rotatably coupled to the guide line of the fastening part.

Preferably, the infusion lead portion is characterized in that it further comprises a sealing portion formed by gradually reducing the diameter of the inner periphery formed in the end of the induction tube to the fastening portion.

More preferably, the insertion portion is rotatably coupled to the fastening portion is characterized in that the sealing projection for being in close contact with the outer periphery of the sealing portion is formed.

Preferably, the sap withdrawal part, blocking the outflow during storage of the sap bag in which the sap is stored, and the blocking film for communicating the sap of the main body to the hollow portion formed inside the connector while the insertion portion is rotationally coupled to the fastening portion It is characterized by being formed.

Preferably, the infusion section is a fluid infusion tube that is a passage for injecting the sap into the body, a soft first cap for sealing the hollow formed on the inside of the infusion tube, the hollow inside the end of the infusion tube And a second cap for fixing the first cap inserted into the coupling portion and being fused to an outer side of the end portion of the infusion tube and the coupling portion, which is a space for coupling the first cap in communication with the portion. It is done.

Hereinafter, preferred embodiments of the sap bag and sap set according to the present invention with reference to the accompanying drawings in more detail.

Figure 2 is a combined perspective view of the sap bag and the sap set according to the present invention.

As shown in FIG. 2, the sap bag for storing fluids such as physiological saline solution and glucose, which is usually used in a hospital for treating or performing a surgery, controls the amount of the sap stored in the sap bag and is injected into a patient's blood vessel. There is a set of sap to do this.

The sap bag and the sap set are fused to one side of the main body 100, the main body 100, in which a predetermined sap is stored, and is injected through the sap injection part 200 and the sap injection part 200. Sap withdrawal unit 300 for withdrawing the sap of the main body 100, the drip pipe 400 connected to the sap withdrawal unit 300, the sap pipe which is a passage through which the sap temporarily stored in the drip pipe 400 flows ( 500) is coupled to the end of the fluid tube 500, the needle 700 for injecting the fluid into the blood vessels of the patient, coupled to the outside of the hard fluid tube 500 is applied to the fluid tube 500 by pressing the fluid Adjuster 600 to adjust the amount of fluid drawn out from the body 100 by adjusting the fluid communication area of the tube 500 is included.

In addition, the sap bag and the sap set are generally used for medical purposes, and are manufactured as disposable products and are incinerated without being recycled after being used.

Therefore, the main body 100 is to store various sap such as glucose and physiological saline solution, the main body 100 is preferably made of a polymer resin such as polypropylene or polyethylene that does not discharge environmental hormones when incinerated, the main body Other components than 100 are preferably made of the same kind of material.

The infusion unit 200 is fused to one side of the main body 100 is connected to the end of the infusion tube 210, the infusion tube 210, which is a passage for injecting the infusion, and injects the fluid from the outside and the body 100 ) May be provided as an external connector 330 to prevent leakage of the sap.

The infusion bag 310 is fused on the side where the infusion unit 200 is fused to the sap bag in which the infusion bag is stored in the main body 100 through the infusion unit 200, and the connecting body 330 of the infusion set is Before being fastened, a blocking film is formed to temporarily seal the fastening part (not shown) in order to prevent leakage of the sap stored in the main body 100 through the fastening part (not shown) formed through the infusion pipe 310. desirable.

In addition, a sealing film is formed at the upper end of the infusion tube 310 and sealed to be fused to the outside of the infusion tube 310 to open and close the end to prevent contamination of the fastening portion (not shown) exposed to the outside. Cap 320 is provided, the sap bag in which the sap is stored while the sealing cap 320 is closed.

The blocking film is for preventing the leakage of the sap to the fastening portion (not shown) before being coupled with the connecting body 330, the outer peripheral edge of the end side of the infusion tube 310 directly in contact with the sap stored in the main body 100 It is preferable to fuse lightly.

As above, in order to inject the patient with the sap set in storage sap bag to open the sealing cap 320 which is closed at the end of the sap outtake tube 310 is inserted into the connector 330 of the sap set .

By inserting the insertion portion (not shown) of the connecting body 330, the infusion lead portion 300 may be provided as follows.

The infusion extracting part 300 is a fastening part in which a coil-shaped groove is formed along the inner circumference of the infusion extracting tube 310 and the infusion extracting tube 310 which serve as a passage for drawing the stored sap fused to the main body 100. (Not shown), the end of the connector 330, the infusion tube 310 is provided with an insertion portion (not shown) for screw coupling due to the guide line formed symmetrically protruding in the groove formed in the fastening portion (not shown) A sealing cap 320 may be included to open and close a space fused to the outside and formed as a fastening part (not shown).

In addition, the connector 330 does not need to be very strongly coupled to the fluid induction pipe 310, but prevents any leakage of fluid, and considers the safety of the connector 330 to be more hermetically sealed as it is used for a hospital. It is preferable to have a handle formed with a protrusion on the outside so that the rotational force is efficiently transmitted to the insertion portion (not shown) that is rotatably coupled to the fastening portion (not shown).

The sealing cap 320 is closed to seal the fastening part (not shown) of the infusion tube 310 when the sap bag in which the sap is stored is stored. When the infusion is stored to the patient, the closed sealing cap 320 is flipped. Can be opened.

As the sealing cap 320 is opened and the insertion portion (not shown) of the connector 330 is screwed to the fastening portion (not shown), the end of the insertion portion (not shown) is exerted to apply pressure to the blocking film thinly fused. By exceeding the tensile strength of the fused barrier film it is possible to open the structure of the barrier film.

Thus, the sap stored in the main body 100 is temporarily in the drip pipe 400 coupled to the other end of the connection 330 via a hollow portion (not shown) formed through the inside of the insertion portion (not shown) while the blocking membrane is opened. It is stored as, and gradually flows to the infusion pipe 500 connected with the dropping pipe 400.

In more detail, an exploded perspective view of the infusion injection unit 200 and the infusion extraction unit 300 shown in FIG. 2 to FIG. 3 to detail the infusion injection unit 200 and the infusion extraction unit 300 of the present invention. .

As shown in FIG. 3, the infusion unit 200 is a hollow part 211 formed as a passage through which the infusion of the infusion into the body 100 inside the infusion tube 210 fused to the main body 100, The fluid injection is communicated with the first cap 240 and the hollow part 211 to prevent the inside of the main body 100 from being contaminated and to seal the hollow part 211 so that the fluid injected into the main body 100 does not leak. Coupling portion 230 for coupling the first cap 240 inside the end of the pipe 210, the first cap 240 is fused to the outside of the end of the infusion tube 210 and inserted into the coupling portion 230 It includes a second cap 220 for fixing the.

The first cap 240 is made of a soft material such as rubber, it is preferable that the main body 100 is sealed while injecting an external sap into the main body 100 by a predetermined injection means (not shown). A predetermined injection means may be inserted into the 240 to inject external fluid, and the second cap 220 may be closed to fix the first cap 240.

The second cap 220 has a stepped protrusion symmetrical with the stepped groove formed at one end of the infusion tube 210 so that the first cap 240 is inserted and the second cap 220 is closed. Some kind of locking device can be implemented.

Such a locking device has been applied in many places, it is obvious from the viewpoint of those skilled in the art can be replaced with a variety of other locking device.

Sap withdrawal unit 300 is formed with a stepped protrusion (not shown) to be detached to a stepped groove (not shown) formed on one side of the induction tube 310, the sealing cap 320 with a locking function, the sealing cap 320 ) Is opened and the insertion part (not shown) for rotationally coupled to the screw groove formed in the inner fastening portion (not shown) of the infusion tube 310 and the hollow portion (not shown) through which the inside is formed to pass through the fluid solution (not shown) Includes a connecting body 330).

4 is a cross-sectional view of the infusion unit 200 shown in Figure 2, this cross-sectional view is intended to explain in more detail the structure in which the infusion is not leaked.

As shown in Figure 4, the first cap 240 for sealing the hollow portion 335 which is a passage through which the fluid is injected is fitted into the coupling portion 230 which is a space formed inside the end of the fluid infusion tube 210 The second cap 220 for fixing the first cap 240 is closed.

The second cap 220 is a structure that is closed by a lid shape surrounding the outer end of the infusion tube 210, the first cap 240 for sealing the hollow due to the inner empty space of the second cap 220 is loose There is a possibility that the fluid stored in the main body 100 is fixed and leaked.

Therefore, by forming a hard pressing protrusion inside the second cap 220, the first cap 240 is further compressed while the second cap 220 is closed, thereby making it possible to prevent leakage of the sap. desirable.

FIG. 5 is a cross-sectional view of the infusion extracting unit 300 shown in FIG. 2, to explain the structure of the infusion extracting unit 300 in more detail.

As shown in FIG. 5, the infusion lead part 300 is a sealing part 313, which is formed by gradually decreasing the diameter of the inner circumference of the end of the infusion lead tube 310 to the fastening part 311, in a screw shape. The sealing protrusion 333 formed at one side of the inserting portion 331 is further formed to be in close contact with the side end of the sealing portion while the insertion portion 331 having the guide line protruding is fastened to the spiral groove formed in the coupling portion 230. It is preferred to be included.

The sealing part 313, which is a predetermined space communicating with the fastening part 311, is to implement an additional device for preventing leakage of the fluid, and to further improve the leakage preventing effect, the inner surface of the sealing part 313. It is preferable that it is formed with a constant ratio of inner diameter so that it may not bend.

In addition, the sealing protrusion 333 of the insertion portion 331 which is in close contact with the sealing portion 313 is soft in order to be in close contact with the side end of the sealing portion 313 that the inner diameter is reduced while the insertion portion 331 is rotationally coupled. It is preferably made of a material.

In addition, as the insertion portion 331 is screwed to the inner fastening portion 311 of the infusion tube 310, the thinly fused membrane 340 is opened, and the separated membrane 340 is completely separated from the fused point. It is preferable to increase the tensile strength of one side of the welded portion to be larger than the other portion of the thin welded portion.

Hereinafter, the process of using the sap bag and the sap set according to the present invention in more detail as follows.

Open the second cap 220 of the infusion portion 200 to inject the sap into the main body 100 of the sap bag, and plug the external injection means into the first cap 240 made of a soft material into the body 100 Infuse the sap. After a certain amount of fluid is injected into the main body 100 and the external injection means is separated, the second cap 220 is overlaid to fix the first cap 240.

The sealing cap 320 closing the end of the infusion tube 310 is opened and the inner fastening portion 311 of the infusion tube 310 is exposed to inject the infusion into the patient from the infusion bag.

Even in this state, since the blocking film 340 is primarily sealed, no sap is leaked, and the connecting body 330 of the infusion set is rotated and coupled to the exposed fastening part 311. While being coupled to each other, the end of the insertion portion 331 of the connector 330 is in contact with the blocking film 340 that is lightly fused, the fastening portion 311 and the insertion portion 331 of the connector 330 that is not bonded state As the rotational coupling continues, the blocking film 340 is opened and the sap stored in the main body 100 is temporarily stored in the drip pipe 400 connected to the other end of the connecting body 330 through the hollow portion of the connecting body 330. .

By adjusting the regulator 600 coupled to the outside of the fluid pipe 500 connected to the drip pipe 400, the amount of fluid drawn out from the sap bag is adjusted to be temporarily stored in the drip pipe 400 to the fluid pipe 500 Sap flows in. After it is confirmed that the fluid penetrates the hollow portion of the needle 700, the needle 700 is injected into the blood vessel of the patient.

Therefore, in the present invention, by coupling the coupling of the sap bag and the sap set in a threaded manner, to prevent a small amount of fluid leakage even when connected to provide a more airtight and safe coupling structure.

In addition, the cap is installed in the infusion unit double, there is an advantage that the manufacturing process can be simplified and implement a more hygienic structure.

Although described above with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

Claims (8)

In the sap bag and the set of the sap provided with a sap injecting unit for injecting the sap to the main body and a sap withdrawing unit for withdrawing the injected sap, the sap withdrawing unit, An infusion pipe that is fused to one side of the main body and is a passage through which an infusion is drawn; A fastening part formed with a guideline of a screw type on an inner circumference of the infusion pipe; A sealing cap fused to the other end of the infusion pipe to open and close the fastening part; Connection structure of the infusion bag and infusion set, characterized in that the sealing cap is open and comprises a connecting member having a symmetrically formed insert for rotationally coupled to the guideline of the fastening portion. The sap extractor of claim 1, Connection structure of the infusion bag and infusion set further comprises a sealing portion formed by gradually reducing the diameter of the inner circumference formed in the end of the induction tube to the fastening portion. The method according to claim 2, The insertion portion, The connecting structure of the sap bag and the sap set, characterized in that the sealing projection is formed to be in close contact with the outer periphery of the sealing portion while being rotationally coupled to the fastening portion. The method of claim 3, wherein the sealing projection, Connecting structure of the sap bag and the sap set, characterized in that consisting of a soft material. The sap extractor of claim 1, The sap bag for blocking the outflow during storage of the sap bag in which the sap is stored, and a blocking film is formed to communicate the sap of the body to the hollow portion formed inside the connecting body while the insertion part is rotationally coupled to the fastening part. And a connecting structure of the infusion set. The method according to claim 5, The blocking film, Splicing thinly fused along the outer periphery of the fastening portion, the connecting structure of the sap bag and the sap set, characterized in that to increase the tensile strength of the one side to be fused. The method of claim 1, wherein the infusion unit, Sap infusion pipe which is a passage for injecting the sap into the main body; A soft first cap for sealing a hollow portion formed inside the infusion tube; A coupling part which is a space for communicating with the hollow part inside the end portion of the infusion tube to join the first cap; And And a second cap fused to an outer side of the end portion of the infusion tube, and configured to fix the first cap inserted into the coupling portion. The method according to claim 1, wherein the main body, Connection structure of the sap bag and the sap set, characterized in that made of polypropylene or polyethylene.

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