KR100786930B1 - Connecting structure of sap back and sap set - Google Patents

Abstract

A connection structure of a sap bag and a sap set is further disclosed, which further strengthens the bonding state and improves leakage preventing function. The connecting structure is formed so that the connecting body of the infusion set is coupled to the inner side of the infusion pipe so that the sap stored in the main body does not leak. A fastening portion communicates with the closure and secures the inserted insert. The sealing cap is fused to the outside of the other end of the infusion tube to open and close the fastening portion. The insertion part is opened and the sealing cap is tightly inserted into the sealing part. The detachable part includes a detachable protrusion having a stepped portion so as not to interlock on an axis into which the connector is inserted, and a detachable groove formed across the detachable protrusion in a direction perpendicular to the insertion axis. The barrier film prevents leakage of the sap stored in the main body before the connecting body is coupled, and the insertion part is inserted into the main body. This configuration simplifies the manufacturing process by not using rubber packing and allows the sap bag and the sap set to be more hermetically combined.

Infusion Bag, Infusion Set, Injection

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,

3 is an exploded perspective view of the infusion unit and the infusion unit shown in Figure 2,

Figure 4 is a perspective view of the infusion tube shown in Figure 3 from a different angle,

FIG. 5 is a cross-sectional view of main parts of the sap extractor shown in FIG. 2; FIG.

6 is a sectional view of the main portion of the infusion portion shown in FIG.

7 is a perspective view of a connector according to another preferred embodiment of the present invention.

<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 311-1: first locking jaw

311-2: second locking jaw 311-3: fixing groove

313: seal 313-1: barrier film

320: sealing cap 330: connector

331: inserting portion 333: detachable portion

333-1: Detachable protrusion 333-2: Detachable groove

335: hollow 400: drip pipe

500: Infusion tube 600: Regulator

700: needle 800: connector

810: insertion portion 820: detachable portion

830: dripping pipe

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, further solidifying the coupling state, the leakage bag of the sap bag and the sap set is improved It relates to a connecting 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 shape, and such sap containers are largely divided into sap bottles and sap bags depending on the material of the container. do.

As such, in the use of the distinctive fluid container, the fluid bottle is easily broken and special care is required during handling. Therefore, in modern times, it is less likely to be damaged than the fluid bottle for convenience, 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 Figure 1, the sap bag is stored in the main body 10 and the main body 10 in which the sap is injected through the infusion infusion tube 20, the infusion tube 20 to form a predetermined infusion It is provided with a fluid extraction tube 30 and the like formed to deliver the fluid to the patient.

Sealing caps 21 and 41 having soft rubber packings (not shown) are inserted into the end portions of the infusion tube 20 and the infusion tube 30.

In addition, the sealing cap (21, 41) is the infusion tube 20 and the infusion tube 30 is heat-sealed to the body and the connection pipe is inserted into each hollow portion (not shown) is open at the other end, the connection is inserted A rubber packing (not shown) is fitted into a space formed inside the tube, and is provided to surround the outer edges of the sealing caps 21 and 41 with a predetermined synthetic resin to fix the rubber packing (not shown).

In addition, the infusion set is inserted into the hollow seal (not shown) in the rubber packing (not shown) of the sealing caps 21 and 41 coupled to the induction tube 30, the connecting body for extracting the sap stored in the main body ( 40), the fluid is connected to the other end of the dropping pipe 50, the dropping pipe 50, which is coupled to the connecting body 40, the sap drawn out from the hollow needle (not shown) of the connecting body 40 is temporarily stored. 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 vessels of the patient, coupled to the outside of the fluid tube 60 is pressed to the soft fluid tube 60 It is made of an adjuster 70 for adjusting the amount of fluid drawn out from the sap bag by adjusting the fluid communication area of the infusion tube 60 by adding a.

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 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 caps 21 and 41 coupled to the sap extraction pipe 30. There was a problem that a small amount of the sap stored in the main body 10 leaks.

In addition, the connection body 40 is fixed due to the frictional force generated by inserting the hollow needle 41 of the connection body 40 into a 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.

Accordingly, the present invention has been made to solve the above problems, an object of the present invention is to rotate the fluid and the predetermined groove formed in the sap bag and the sap set by rotating the sap to prevent the leakage of the sap is more hermetically and safely connected sap To provide a connecting structure of the bag and the sap set.

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 set of the sap provided with a sap withdrawal tube one end is fused to the main body to inject the sap into the main body through the infusion tube,
A sealing part coupled to the inner side of the infusion tube so as to be penetrated to prevent leakage of the sap stored in the main body and having an inner edge made of a soft material;
A fastening part for fixing the connection body communicated with and inserted into the closure part;
A sealing cap fused to the other end of the infusion pipe to open and close the fastening part;
An insertion part of the connecting body in which the sealing cap is opened and tightly inserted into the sealing part;
Includes a detachable protrusion formed with a step so that the linking body is not interlocked on the shaft is inserted, and a detachable groove formed across the detachable protrusion in a direction perpendicular to the insertion axis, the detachable projection at the end of the infusion pipe A fixing groove for fastening is formed, and a detachable part of the connecting body is rotatably coupled to the fastening part; And
The sap stored in the main body is prevented from leaking before the connecting body is coupled, and the insertion part is inserted into the inside of the main body, and the sap of the main body is provided to communicate with the hollow part formed inside the connecting body. It is achieved by providing a connection structure of the sap bag and the sap set comprising a; barrier film is formed from the radially thinly fused groove from.
Preferably, the fastening portion is a first engaging jaw and the first engaging jaw for the detachable protrusion penetrates the fixing groove and is symmetrically coupled to the detachable groove and the first engaging jaw is rotatably coupled to the end of the infusion pipe It is made of a second locking step is further formed.
Preferably, the infusion tube is a soft first cap for sealing the hollow formed inside; A coupling part for communicating with the hollow part inside the end of the infusion tube to couple the first cap to; 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.

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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 diagram between the coupling 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. Infusion tube 500 which is a passage through which the sap temporarily stored in the infusion pipe 400 connected to the infusion solution part 300, the infusion pipe 400, to draw the infusion of the main body 100 ), Coupled to the end of the infusion tube 500, the needle 700 for injecting the fluid into the blood vessels of the patient, coupled to the outside of the hard infusion tube 500 is applied to the infusion tube 500 by infusion Adjuster 600 to adjust the amount of fluid drawn out from the body 100 by adjusting the fluid communication area of the 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 then incinerated without being recycled.

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 material such as polypropylene or polyethylene that does not discharge the environmental hormone when incinerated, the main body ( Other components than 100) are preferably made of the same type 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 A protective cap (not shown) may be provided to prevent leakage of the sap stored in the).

In this way, the sap bag in which the sap is stored in the main body 100 through the infusion unit 200 is fused on the side where the infusion unit 200 is formed, and the connecting body 330 of the infusion set is fastened. Before the process, it is preferable that a blocking film 313-1 for temporarily sealing the infusion tube 310 is formed in order to prevent leakage of the sap stored in the main body 100 through the infusion tube 310.

In addition, in order to prevent the inside of the infusion tube 310 is formed on one side of the point where the infusion tube 310 is fused to the main body 100 and exposed to the outside of the infusion solution It is fused to the outside of the tube 310 is provided with a sealing cap 320 that can open and close the end of the infusion tube 310, the sap bag is stored in the state in which the sealing cap 320 is closed is stored.

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 .

The connection body 330 is coupled to the infusion pipe 310, the infusion lead 300 may be provided as follows.

The infusion extracting unit 300 is fused to the main body 100 and the other end of the infusion extracting tube 310, which is a passage for drawing the stored sap, the infusion of the main body 100 to the patient to inject the infusion One side of the connecting body 330 is connected to the inner side of the connecting body 330, the infusion tube 310, the sealing part 313 is formed so as not to leak the fluid stored in the main body 100, the sealing part A sealing cap for opening and closing the fastening part 311 by being fused to the outer side of the fastening part 311 and the infusion pipe 310 formed in a structure for fixing the connection member 330 inserted into the space (313) 320 may be included.

The connector 330 is formed to be symmetrical to the fastening structure of the inserting portion (not shown) and the fastening portion 311 to be inserted in close contact with the sealing portion 313, the sealing cap 320 is open, the infusion tube 310 And a removable part (not shown) coupled to the fastening part 311 by being rotated in one direction after being inserted into the inner side.

In addition, the sealing part 313 is made of a soft material of the inner edge is made of the insertion portion (not shown) of the connector 330 is inserted into the friction between the insertion portion (not shown) and the inner edge of the sealing portion 313 By improving, the insertion part (not shown) and the sealing part 313 are further in close contact with each other, so that the sap stored in the main body 100 is preferably formed in a structure that does not leak.

In addition, the sealing part 313 is provided with a blocking film 313-1 for preventing leakage of the sap stored in the main body 100 on the passage, and the blocking film 313-1 has a flaw that is lightly fused radially from the center. It is a preferred shape to be produced.

The insertion portion (not shown) is inserted into the sealing portion 313, the end portion of the insertion portion (not shown) that abuts on the center of the blocking film 313-1 is preferably made of a pointed conical shape, the connection set of the infusion set 330 ) Is fastened to a certain degree, it is preferable that the blocking film 313-1 is opened so that the sap of the main body 100 flows along the hollow portion (not shown) of the connecting body 330 to the drip pipe 400 of the sap set. Thus, the blocking film 313-1 is more preferably provided at the end of the sealing part 313 communicating with the inside of the main body 100.

As a result, the sealing cap 320 is opened and the connector 330 is inserted into the infusion tube 310, and the insertion part (not shown) of the connector 330 is located at the end of the sealing part 313. When the pressure is applied to the 313-1, the fusion thinly fused and the blocking film 313-1 is opened, and the sap stored in the main body 100 passes through a hollow portion (not shown) formed inside the connecting body 330. By temporarily storing the drip pipe 400 coupled to the other end of the connector 330 is possible to flow to the fluid pipe 500 connected to the drip pipe 400.

In detail, the infusion unit 200 and the infusion extracting unit 300 of the present invention shown in FIG.

As shown in FIG. 3, the infusion unit 200 is a hollow part (not shown), which is a passage through which the infusion of the infusion into the main body 100, is formed inside the infusion tube 210 fused to the main body 100. The first cap 240 and the hollow part (not shown) are communicated with the first cap 240 to prevent the inside of the 100 from being contaminated and to prevent the fluid from being injected into the main body 100 from leaking. Coupling portion 230 for the first cap 240 is coupled to the inner end of the injection tube 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 ), A second cap 220 for fixing).

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 (not shown) symmetrical with a stepped groove (not shown) formed at one end of the infusion tube 210, so that the first cap 240 is inserted therein. As the second cap 220 is closed, a kind of locking device may 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.

The infusion 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 portion 331 is inserted in close contact with the inner edge of the sealing portion 313 formed inside the infusion tube 310, the infusion tube 310 is formed a predetermined coupling structure that can be fastened Detachable portion having a shape symmetrical to the fastening portion 311 is formed of a connecting body 330 to be coupled.

In more detail, the detachable part 333 of the connector 330 is inserted into the passage of the infusion pipe 310 and the detachable protrusion 333-1 having a step is formed so that the connected connector 330 is not interlocked. It is provided with a groove in the detachable protrusion 333-1 in a direction perpendicular to the insertion axis of the connector 330 in order for the connector 330 to be more securely fastened to the fastening portion 311 of the infusion lead portion 300 It may be provided as a removable groove 333-2.

Therefore, the fastening structure of the fastening part 311 formed symmetrically with respect to the detachable part 333 of the connector 330 has a detachable protrusion 333-1 of the connector 330 fastened to the end of the infusion pipe 310. Fixing groove 311-3 for forming is formed, the detachable protrusion 333-1 is fastened to the fixing groove 311-3, the connecting body 330 is finally inserted into the inside of the infusion pipe 310, The first latching jaw 311-1 is formed at one side of the side cross-section of the fastening part 311 in a symmetrical manner to the detachable groove 333-2 of the inserted connector 330, so that the connector 330 is rotated and the first It is coupled to the locking jaw (311-1).

In this way, the detachable groove 333-2 of the connector 330 is coupled to the first locking jaw (311-1) and the detachable protrusion 333-1 is also rotated together and formed at the end of the infusion tube 310 2 is in close contact with the engaging jaw (311-2) is added to form a coupling structure.

Figure 4 is a perspective view of the infusion tube shown in Figure 3 from another angle, this perspective is to explain the structure of the infusion tube 310 in more detail.

As shown in Figure 4, the end of the infusion tube 310 end portion of the extracting projection 333-1 protruding from the axis in which the connecting body 330 is inserted into the connecting body (330) The fixing groove 311-3 is formed to penetrate the inside of the 310, and the second locking jaw 311-2 is formed while the fixing groove 311-3 is formed.

FIG. 5 is a cross-sectional view of the infusion extracting part 300 shown in FIG. 2 to explain in detail that the connection body 330 penetrating the fixing groove 311-3 is fastened to the coupling structure of the fastening part 311. To show.

As shown in FIG. 5, the insertion part 331 of the connector 330 is inserted into the sealing part 313 of the infusion tube 310 and is formed at a predetermined fixing groove formed at the end of the infusion tube 310. Detachable protrusion 333-1 of the connector 330 is coupled to the (311-3). Insertion and detachment protrusion 333-1 is fixed in a fixed frame due to the detachable structure in the detachable portion 333, the detachable groove 333-2 formed inside the fixed detachable protrusion 333-1 detachable portion 333 It rotates in engagement with the first locking jaw (311-1) of the) to form a more close coupling structure.

In addition, as the detachable groove 333-2 and the first locking jaw 311-1 are coupled to each other, one surface of the detachable protrusion 333-1 is in close contact with the second locking jaw 311-2 to provide a more stable coupling. It is preferred to be formed into a structure.

In addition, with reference to the accompanying drawings illustrating a preferred embodiment of the sap bag and infusion set according to the present invention.

7 is a perspective view of a connecting body according to another preferred embodiment of the present invention, and is a view for explaining that the connecting body 800 of the infusion set used in the prior art is used in the induction section according to the present embodiment. .

As shown in FIG. 7, the connector 800 may be inserted in close contact with an inner edge of a sealing part (not shown) formed inside the infusion pipe (not shown) so that the sap of the main body (not shown) may pass. Insertion unit 810, the detachable portion 820 for rotationally coupled to a fastening portion (not shown) formed at the end of the infusion tube (not shown), dropping the temporary sap of the body (not shown) It is provided with a tube (830).

In addition, the fastening portion (not shown) of the infusion pipe (not shown) should be a shape that can be coupled to the connector 800 symmetrically, the end of the induction pipe (not shown) of the connector 800 Fixing groove (not shown) is formed so that the removable portion 820 is inserted, the locking jaw (not shown) is provided symmetrically due to the formed fixing groove (not shown).

Accordingly, the connecting member 800 is fastened by inserting part 810 in close contact with the sealing part (not shown) of the infusion pipe (not shown), and the detachable part 820 formed in both wing shapes is fixed groove (not shown). After being inserted into the infusion tube (not shown) through, the connection body 800 is rotated so that the removable portion 820 is caught on the locking jaw (not shown).

As such, in order to more firmly couple the connector 800, a protrusion (not shown) symmetrical to a latching jaw (not shown) is further provided inside the end of the infusion pipe (not shown), thereby allowing both wing-shaped detachable parts to be attached. It is preferable that the locking step is formed on both sides of the 820.

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

Open the second cap 220 of the infusion portion 200 in order to inject the fluid 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.

In order to inject the patient from the infusion bag thus injected, the sealing cap 320 closing the end of the infusion tube 310 is opened and the inside of the infusion tube 310 is revealed.

Even in this state, since the blocking film 313-1 is sealed, no sap leaks, and the connecting body 330 of the infusion set is coupled to the inside of the exposed sap extraction pipe 310.

The main body 100 in which the connecting body 330 is inserted into the induction pipe 310 and the inlet 331 of the connecting body 330 is in close contact with the sealing part 313 of the induction pipe 310. While being inserted into the) side, the detachable protrusion 333-1 of the connector 330 is fastened to the fixing groove 311-3 formed at the end of the infusion pipe 310.

Due to the coupling structure formed between the attaching and detaching protrusion 333-1 of the connecting body 330 and the attaching part 311 of the infusion pipe 310 and the detachable part 333 of the connecting body 330 ( After the 330 is inserted, a fixed frame is formed, and when rotated in a fixed state, the first locking jaw 311 formed on the side wall of the detachable groove 333-2 and the fastening part 311 formed in the detachable protrusion 333-1 is fixed. Combined with -1).

As such, the detachable groove 333-2 and the first locking jaw 311-1 are coupled to each other so that one surface of the detachable protrusion 333-1 is in close contact with the second locking jaw 311-2 to provide a more stable coupling structure. Formed.

In addition, the end of the insertion portion 331 in the process of coupling as described above open the blocking film 313-1 so that the sap stored in the main body 100 through the hollow portion 335 of the connector 330 through the connector 330 It is temporarily stored in the drip pipe 400 connected to the other end of the).

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 and the fluid in the fluid pipe 500 Flows in. After it is confirmed that the fluid penetrates the hollow portion (not shown) of the needle 700, the needle 700 is injected into the blood vessel of the patient.

Therefore, in the present invention, by connecting the predetermined groove and the protrusion formed in the sap bag and the sap set to rotate, the coupling of the sap set to the sap extraction tube prevents leakage of a small amount of fluid, and more tightly and securely coupled structure There is an advantage to implement.

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 withdrawal tube one end is fused to the main body to inject the sap into the main body through the infusion tube, A sealing part coupled to the inner side of the infusion tube so as to be penetrated to prevent leakage of the sap stored in the main body and having an inner edge made of a soft material; A fastening part for fixing the connection body communicated with and inserted into the closure part; A sealing cap fused to the other end of the infusion pipe to open and close the fastening part; An insertion part of the connecting body in which the sealing cap is opened and tightly inserted into the sealing part; Includes a detachable protrusion formed with a step so that the linking body is not interlocked in the shaft is inserted, and a detachable groove formed across the detachable projection in a direction perpendicular to the insertion axis, the detachable projection at the end of the infusion pipe A fixing groove for fastening is formed, and a detachable part of the connecting body is rotatably coupled to the fastening part; And The sap stored in the main body is prevented from leaking before the connecting body is coupled, and the insertion part is inserted into the inside of the main body, and the sap of the main body is provided to communicate with the hollow part formed inside the connecting body. Connection block of the sap bag and the sap set comprising a; barrier film is formed from the radially fused thin groove. delete delete delete delete delete The method according to claim 1, The fastening portion, The first catching jaw for the detachable protrusion penetrates the fixing groove and is symmetrically coupled to the detachable groove, and the detachable groove is rotatably coupled to the first catching jaw and is further formed at the end of the infusion pipe. Connection structure of the sap bag and the sap set, characterized in that consisting of the jaw. The infusion tube of claim 1, A soft first cap for sealing the hollow formed at the inner side; A coupling part for communicating with the hollow part inside the end of the infusion tube to couple the first cap to; 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.

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