KR200236735Y1 - A safety syringe for one time use - Google Patents

Abstract

The present invention relates to a disposable syringe for injecting medicine to a patient, in particular can not be used again once used, and relates to a disposable safety syringe to prevent the occurrence of a wound caused by a needle stuck in the syringe.

Features of the disposable safety syringe according to the present invention for achieving the above object is a projection and a hanger is formed on the upper finger is formed in the lower portion is formed in the inlet for discharging the liquid and the hollow body of the safety syringe, safety syringe A needle protection piece disassembly port formed with a first inclined surface at a lower end of a push rod which is inserted from an upper portion of which a protrusion is formed into a hollow body in the main body, and a finger insertion groove into which a finger is inserted in the upper portion is formed, and a needle insertion groove is formed in the center thereof; A packing for fixing the needle protection piece disassembly port formed at the lower end of the push rod inserted into the hollow body of the safety syringe main body and being sealed to the inside of the main body while the push rod is inserted into the main body, and formed at the bottom of the safety syringe main body. It is fixed to the inlet is formed integrally with the needle for injecting the drug into the human body through the inlet Is characterized in that it comprises a needle fixing means.

Description

A safety syringe for one time use}

The present invention relates to a disposable syringe for injecting medicine to a patient, in particular can not be used again once used, and relates to a disposable safety syringe to prevent the occurrence of a wound caused by a needle stuck in the syringe.

In the conventional syringe, as shown in FIG. 1, the needle 61 is fixed to an inlet 23 formed at the lower end of the main body 2 of the syringe 1 having a hollow inside, and a packing rod having a packing 5 fixed thereon. (3) is pushed in from the top of the syringe (1) is sealed in the interior of the syringe (1) by the packing (5) while the drug stored in the interior of the syringe (1) formed in the lower end of the syringe (1) 23) while being discharged to the needle (61) is used for the purpose of injecting drugs into the patient stabbed in the needle.

However, since the syringe used as described above is formed as a disposable syringe to prevent the transmission of the bottle, it should be disposed of only once and then discarded. However, in a small hospital, this problem is ignored and used once again.

In addition, since the needle used as a disposable syringe is sharp, if the user inadvertently finishes the injection and the user is stuck or hurts someone while moving, the infectious disease (hepatitis, AIDS, etc.) held by the patient There was a serious problem of infection through the wound.

The present invention has been made to solve the above problems, it is to provide a disposable safety syringe that can not be used again because the syringe is broken once used.

The present invention is to provide a safety syringe that prevents the spread of the disease by stabbing the needle when the drug is discharged through the needle fixed to the inlet of the syringe.

Features of the disposable safety syringe according to the present invention for achieving the above object is a projection and a hanger is formed on the upper finger is formed and the lower portion of the main body of the safety syringe is formed with an inlet for discharging the liquid,

Dismantled needle protection piece is formed from the first inclined surface at the lower end of the push rod is formed from the upper portion formed with a projection into the hollow hollow in the main body of the safety syringe, the finger insertion groove is formed in the upper portion and the needle insertion groove is formed in the center Achievement,

A packing to seal the needle protection piece disassembly formed at the lower end of the push rod inserted into the hollow body of the safety syringe body, and to seal the inside of the main body while the push rod is inserted into the main body;

It is fixed to the inlet formed in the lower portion of the safety syringe main body characterized in that it comprises a needle fixing means formed integrally with the needle for injecting the drug into the human body through the inlet.

Needle fixing means fixed to the inlet of the safety syringe, the inside is hollow, one end is formed with an inclined surface for easy insertion into the human body, the opposite end is a shape that is wider toward the inclined surface, the end is formed a plurality of barbs A needle formed with a dog and having a protrusion formed at a predetermined portion in the longitudinal direction;

A needle protection piece which is formed as a second inclined surface which is injected integrally with the needle and is fixed while being closely adhered to the adhesive part of the needle and the inner side, and is divided by a plurality of incision grooves and is inclined toward the adhesive part being in close contact with the needle;

The needle is connected to the fixed needle protection piece and the connecting piece is formed in the portion connected to the connecting piece is formed with a fixing groove for fixing the projection of the needle is made of an insertion portion fixed to the inlet of the main body of the safety syringe while maintaining a predetermined distance from the needle It features.

1 is a front cross-sectional view of a conventional syringe.

Figure 2 is a front sectional view schematically showing an embodiment of a safety syringe according to the present invention.

Figure 3 is a cross-sectional view showing a state in which the pressing rod of the safety syringe according to the present invention schematically.

Figure 4 is a cross-sectional view showing a state of use of one embodiment of the inlet portion of the safety syringe according to the present invention.

Figure 5 is a partially cut perspective view schematically showing an embodiment of the needle fixing means applied to the present invention.

Figure 6 is a cross-sectional view schematically showing an embodiment in which the needle protection piece and the needle of the needle fixing means applied to the present invention.

Figure 7 is an operation state schematically showing a state in which the needle is stored in the main body of the syringe by pulling the end of the use of the safety syringe according to the present invention.

Hereinafter, a preferred embodiment of the disposable safety syringe according to the present invention will be described in detail with reference to the accompanying drawings.

First, the embodiment of the disposable safety syringe according to the present invention is the main body 2 of the syringe 1 as shown in Figure 2 is a hollow inside and the protrusions 21 and the locking bar that can fit the finger on the top ( The lower end 22 is formed at a predetermined interval from a known syringe 1 having an inlet 23 formed with a diameter smaller than the diameter of the hollow interior.

As described above, the inlet 23 of the hollow syringe 1 has a cutting space 24 formed with a larger diameter than the inlet 23.

On the opposite side of the main body 2 formed between the inlet 23 and the main body 2 in which the incision space 24 is hollow, a finger groove 31 into which a finger can be inserted is formed at one end. Insert the other side of.

On the opposite side where the finger groove 31 of the push rod 3 inserted into the main body 2 of the syringe 1 is formed, as shown in FIG. 4, the needle protection piece discharging port 4 protruding to the opposite side of the finger groove 31 is shown. ) Is formed, the needle protection piece disassembly 4 is formed of a first inclined surface 41 is formed in a cross-section becomes narrower as it proceeds downward, the needle insertion groove 42 is formed in the center.

Needle insertion groove 42 formed in the needle protection piece disassembly 4 is formed to be slightly inclined to one side.

As described above, the finger groove 31 is formed at one end and the needle protection piece disassembly port 4 of the rod 3 having the needle protection piece disassembly port 4 formed at the opposite side as the first inclined surface 41 is rubber. It is fixed while wrapping with a packing (5) formed by.

The packing 5 seals the inner wall of the main body 2 when the needle protection piece dismantling port 4 formed at one end of the push rod 3 is inserted into the main body 2 of the syringe 1 having a hollow inside. It is preferable to form slightly larger than the hollow space in the main body 2 to be inserted.

The upper portion of the packing 5 which is fixed to the rod 3 and moved while being in close contact with the hollow space in the main body 2 of the syringe 1 is such that the needle protection piece disassembly port 4 can protrude. A hole is formed in a portion where the 4 is located, and the inside of the packing 5 forms a shrinkage space 51 so that the packing 5 can be easily compressed and crushed by an external pressure.

When the packing 5 in which the shrinking space 51 is formed is fixed to the needle protection piece disassembly port 4 formed in the pusher 3 and is moved in close contact with the hollow space in the main body 2, the inside of the main body 2 is compressed. The needle fixing means 6 is inserted into the inlet 23 formed in the lower part of the main body 2 to fix it.

The needle fixing means 6 inserted into and fixed to the inlet 23 formed at the lower portion of the main body 2 of the syringe 1 is hollow as shown in FIG. 5 and at one end thereof is inclined so as to be easily inserted into the human body. The needle 61 is formed with a plurality of barbs 62 are formed in the opposite end portion in a shape that is wider toward the opposite side end portion, the end portion is sharply formed, and a predetermined portion in the longitudinal direction of the needle 61 63 is formed.

The surface of the needle 61 formed with a barb 62 such as a needle needle at one end is injection molded integrally with the needle protection piece 7 of the needle fixing means 6.

The needle protection piece 7 which is injection molded integrally with the surface of the needle 61 is fixed to the needle 61 while the adhesive part 73 is formed on the needle protection piece 7 by injection molding as shown in FIG. 6. And the needle protection piece (7) forms a plurality of incision groove (71).

The needle 61 and the fixed needle protection piece 7 fixed by the incision groove 71 are formed in a shape that is radially separated from the needle 61, and the needle 61 and the injection from the outside of the needle protection piece 7 are ejected. As it proceeds toward the adhesive portion 73 is fixed while being formed as a second inclined surface 72 is formed to be inclined.

As described above, the needle protection piece 7 fixed in a radial shape about the needle 61 by the incision groove 71 maintains a predetermined distance from the needle 61 at the lower portion of the needle protection piece 7. It is fixed to the inserting portion (9) and the connecting piece (8) formed while being.

A fixing groove 81 is formed inside the connection piece 8 connecting the needle protection piece 7 and the insertion part 9.

The fixing groove 81 formed inside the connecting piece 8 is injection molded integrally with the needle protection piece 7 so that the projection 63 formed at a predetermined portion in the longitudinal direction of the syringe 1 is fitted.

The inside of the insertion portion 9 fixed to the needle protection piece 7 by the connecting piece 8 is formed to a larger diameter than the needle 61 so that the needle 61 and the insertion portion 9 are spaced at predetermined intervals. It is preferable to fix the needle 61 so that the needle 61 can move freely.

The needle fixing means 6 having the above configuration is inserted and fixed in the inlet 23 of the main body 2 of the syringe 1 in which the inlet 23 is formed, and the needle fixing means inserted and fixed in the inlet 23. Needle protection piece (7) (6) is to be fixed above the inlet (23).

The method of fixing and inserting the needle fixing means 6 from the inlet 23 of the main body 2 of the syringe 1 is fixed to the inserting portion 9 of the needle fixing means 6 as shown in FIG. 91 is formed, and the inlet port 23 formed in the main body 2 of the syringe 1 forms a helical groove to insert the insertion portion 9 of the needle fixing means 6 into the inlet port 23. Although it is most preferable to form by the well-known method of inserting while turning the fixing protrusion 91 in the helical groove formed in the 23, the male screw is formed in the insertion part 9 of the needle fixing means 6, and a syringe ( 1) A female screw may be formed and fixed inside the inlet 23 of the main body 2, or may be fixed by fusion or heat fusion.

The present invention made of the configuration as described above in the inside of the main body 2 while pushing and pulling the push rod 3 is fixed to the end of the packing (5) to the main body 2 of the syringe (1) as shown in FIG. Keep medication.

When the medicine stored in the main body 2 of the syringe 1 is introduced into the human body, the needle 61 fixed to the inlet 23 of the main body 2 of the syringe 1 is inserted into the human body and the push rod as shown in FIG. 3) is pushed toward the inlet 23, the packing (5) fixed to the end of the pusher (3) is brought into close contact with the inner wall of the main body 2, the pressure is increased, the drug is discharged to the needle (61).

The first inclined surface of the needle protection piece dismantling port 4 formed at the end of the push rod 3 as shown in FIG. 4 while the medicine stored in the main body 2 of the syringe 1 is completely discharged through the needle 61. 41 is in close contact with the second inclined surface 72 formed on the needle protection piece 7 of the needle fixing means 6 fixed above the inlet 23 of the main body 2 of the syringe 1.

As shown in FIG. 4, the first inclined surface 41 formed on the needle protection piece discharging port 4 of the push rod 3 and the second inclined surface 72 formed on the needle protection piece 7 of the needle fixing means 6. When the pusher 3 is pushed further toward the inlet 23 in this close state, the packing 5 fixed to the end of the pusher 3 in which the needle protection piece dismantling port 4 is formed is pressed into the contraction space 51. The first inclined surface 41 of the protective piece disassembly port 4 is inserted while sliding to the second inclined surface 72 formed on the needle protective piece 7 of the needle fixing means 6.

At this time, since the first inclined surface 41 is formed at a wider angle than the second inclined surface, the second inclined surface 72 is opened when the first inclined surface 41 is inserted into the second inclined surface 72. 7) is opened about the connecting piece 8 which is connected and fixed to the insertion portion 9 in the needle (61).

When the needle protection piece 7 is unfolded from the needle 61, the adhesive portion 73 formed while the needle protection piece 7 and the needle 61 are integrally molded by injection molding has a plurality of incision grooves 71 in the needle protection piece 7. ) Is easily removed from the needle (61).

As described above, the first inclined surface 41 of the needle protection piece disassembly port 4 is inserted into the second inclined surface 72 formed on the needle protection piece 7 of the needle fixing means 6, and thus the needle protection piece 7 is removed. One end of the needle 61 having a barb 62 is inserted into the needle insertion groove 42 formed in the center of the needle protection piece dismantling port 4 when the connection piece 8 is inserted into the center.

One side of the needle (61) having a barb (62), such as a fishing needle, is inserted into the needle insertion groove (42) formed in the needle protection piece disassembly (4), so that the needle protection piece (7) is the main body of the syringe (1). It occurs in the incision space 24 formed in 2).

Fixing groove 81 is formed in the inner side of the connecting piece (8) when the needle protection piece (7) is opened around the connecting piece (8) connected to the insertion portion (9) is fixed to the projection (63) of the needle (61) As shown in FIG. 4, as the needle protection piece 7 is opened, the fixing groove 81 is also widened so that the protrusion 63 of the needle 61 is movably placed upward.

Since a barb 62 is formed at one end of the needle 61 inserted into the needle insertion groove 42 of the disengagement port 4 of the needle protection piece, the needle 61 is the needle when the bar 3 is pulled upward. It does not fall out of the needle insertion groove 42 of the protection piece disassembly port 4, but goes upward along the push rod 3.

The needle protection piece 7 is opened by the first inclined surface 41 of the needle protection piece disassembly opening 4 from the needle 61, and the needle is inserted into the needle insertion groove 42 formed in the needle protection piece discharging port 4. Since the needle insertion groove 42 is formed to be inclined when the 61 is inserted, the needle 61 is fixed horizontally with the push rod 3 so as not to rise upward along the push rod 3, as shown in FIG. As it is fixed inclined so as to rise along the pusher 3 into the main body 2 of the syringe 1, even if the pusher 3 is pushed toward the inlet 23 again, the needle 61 does not protrude toward the inlet 23. Do not.

In the above description of the preferred embodiment of the disposable safety syringe according to the present invention, the present invention is not limited to this, but the invention is to be carried out in various modifications within the scope of the utility model registration claims and the design and accompanying drawings. It is possible and this also belongs to the present invention.

The present invention is that once the syringe is used can not be used again because the syringe is broken to provide an effect that can prevent transmission by the syringe.

The present invention is provided when the drug is discharged through the needle fixed to the inlet of the syringe is provided with the effect of preventing the needle from being stabbed by the needle to cause a wound or spread of the disease.

Claims (4)

The main body of the safety syringe is formed in the upper and the projection and the hanger that the finger is caught and the lower is formed in the inlet for discharging the liquid and the hollow inside, Dismantled needle protection piece is formed from the first inclined surface at the lower end of the push rod is formed from the upper portion formed with a projection into the hollow hollow in the main body of the safety syringe, the finger insertion groove is formed in the upper portion and the needle insertion groove is formed in the center Achievement, A packing to seal the needle protection piece disassembly formed at the lower end of the push rod inserted into the hollow body of the safety syringe body, and to seal the inside of the main body while the push rod is inserted into the main body; Disposable safety syringe comprising a needle fixing means which is fixed to the inlet formed in the lower portion of the safety syringe body and integrally formed with the needle for injecting the medicine into the human body through the inlet. The method of claim 1; Disposable safety syringe, characterized in that to form an incision space inside the inlet side of the safety syringe body. The method of claim 1; Disposable safety syringe, characterized in that formed in the interior of the packing fixed to the lower end of the push rod to form a shrinkage space that can be easily shrunk when the packing is compressed by external pressure. The method of claim 1; Needle fixing means, the inside is hollow, and one side end is formed with an inclined surface to facilitate insertion into the human body, the opposite end is formed in the shape of a plurality of barbs that are sharply formed in the end is wider toward the inclined surface is formed in a predetermined length direction Needles with protrusions on the site, A needle protection piece which is formed as a second inclined surface which is injected integrally with the needle and is fixed while being closely adhered to the adhesive part of the needle and the inner side, and is divided by a plurality of incision grooves and is inclined toward the adhesive part being in close contact with the needle; The needle is connected to the fixed needle protection piece and the connecting piece is formed in the portion connected to the connecting piece is formed with a fixing groove for fixing the projection of the needle is made of an insertion portion fixed to the inlet of the main body of the safety syringe while maintaining a predetermined distance from the needle Disposable safety syringe, characterized in that.