KR102523811B1 - A powder and liquid medicine, Needle Embedded Manual Syringe Assembly - Google Patents

Abstract

The present invention relates to a powder drug, a liquid drug, and a needle-embedded manual syringe assembly, and more particularly, to a powder drug, a liquid drug, and a needle-embedded manual syringe assembly that can be separately accommodated and mixed and injected during use. will be.

Description

A powder and liquid medicine, Needle Embedded Manual Syringe Assembly}

The present invention relates to a powder drug, a liquid drug, and a needle-embedded manual syringe assembly, and more particularly, to a powder drug, a liquid drug, and a needle-embedded manual syringe assembly that can be separately accommodated and mixed and injected during use. will be.

In addition, it relates to a powder drug, a liquid drug, and a needle-embedded manual injector assembly that can protect a handler from a sharp needle by accommodating the needle in a cylinder before and after injection and protect the needle from external foreign substances.

In addition, the present invention eliminates the hassle of subdividing from a separate liquid container into a syringe as in the prior art by accommodating the powder, liquid and needle together in a cylinder, and injects a fixed amount even for an unskilled operator. It relates to powder drugs, liquid drugs, and needle-embedded manual syringe assemblies that enable easy history management with a barcode system from manufacturing production to final injection.

In general, a syringe is used for various medical purposes such as injecting an injection drug, collecting blood, or centrifuging blood.

Such a syringe is composed of a syringe cylinder, a piston head inserted into the cylinder, a piston rod pressurizing the piston head, and an injection needle coupled to the tip of the cylinder.

On the other hand, an example of a powder and liquid drug mixing type syringe is shown in Figure 1 and disclosed in Korean Patent Registration No. 10-1406543.

This consists of a first syringe 10 in which the powder drug 1 is stored, a second syringe 20 in which the liquid drug 2 is stored and insertable into the first syringe 10, and the first syringe 10 It is provided with a check valve 35 inserted into the inner space of.

The prior patent can be used by injecting the liquid medicine (2) of the second syringe (20) into the first syringe (10) and mixing with the powder medicine (1), the first syringe (10) and the second syringe (20) ) has the advantage that it can be separated and used as a single syringe.

However, the syringe as described above has the following problems.

First, a separate protective cap is required to protect the injection needle 5 before use of the syringe, and there is also a problem that a handler may be damaged due to the exposed injection needle 5.

Second, the injection depth of the epidermis layer, dermis layer, or muscle layer varies depending on the person to be injected. Since the syringe of the prior patent can adjust the length of the injection needle 5, it is difficult for unskilled people to inject at an appropriate injection depth.

Third, since powder drugs and liquid drugs are stored separately, and each time they are used, the first syringe 10 and the second syringe 20 are injected and mixed and used, so in the case of unskilled people, an accurate amount of powder and liquid drugs from the medicine cabinet It is cumbersome and difficult to subdivide each into a syringe.

Korean Patent Registration No. 10-1406543

The present invention was created to solve the above problems, and has the following objects.

First, it is possible to protect a handler from a needle before and after injection, and to provide a powder drug, liquid drug, and needle-embedded manual injector assembly that can protect the needle from external foreign substances.

Second, by accommodating and manufacturing powder and liquid drugs and needles in a cylinder, the hassle of subdividing from a separate medicine cabinet into a syringe is eliminated, and even unskilled people can inject a fixed amount, and the It is an object of the present invention to provide powder medicine, liquid medicine, and needle-embedded manual injector assemblies that facilitate personal history management with a barcode system from manufacturing production to final injection.

Third, it is to provide a powder drug, liquid drug, and needle-embedded manual injector assembly so that even an unskilled person can stably inject an accurate site while minimizing the flow of a needle.

Fourth, to provide a powder medicine, liquid medicine, and needle-embedded manual injector assembly that allows even an unskilled person to adjust the injection depth according to the physical condition of the person to be injected or the injection site.

Fifth, to provide a powder medicine, liquid medicine, and needle-embedded manual injector assembly that can minimize the remaining medicine in the syringe after injection.

The powder drug, liquid drug and needle-embedded manual injector assembly of the present invention, which achieves the above object, is slidably coupled to the cylinder by being spaced apart from the rear end of the cylinder at a predetermined interval, and between the needle fixing head and the drug powder a middle plate forming a first space for storing the first space and having a first through hole in the center;

a first sealing film that seals the first through hole and is perforated;

a chemical passage that is spaced apart from the middle plate toward the rear end of the cylinder by a predetermined distance and is slidably coupled to the cylinder, has a second through-hole formed in the center of the front plate, opens a rear end, and accommodates the chemical solution;

a second sealing film that seals the second through hole and is perforated;

It is disposed between the intermediate plate and the chemical container and is slidably coupled to the cylinder, a third through hole is formed in the central portion, a second space is formed between the intermediate plate and the chemical container, and a third through hole is formed between the intermediate plate and the chemical container. a punching plate forming the three-space portion;

hollow punching needles coupled to the third through hole of the punching plate so that both ends protrude into the second and third spaces, and punches the first and second sealing films;

a piston head that is slidably coupled to the liquid medicine container and pressurizes the liquid medicine;

a piston rod coupled to the piston head to pressurize and move the piston head;

A bottom plate having a through hole through which the needle passes is formed in the central portion, a tubular first coupling rib extending from the edge of the bottom plate to one side and screwed to the front end of the cylinder, and the cylinder at the center of the bottom plate. a guide cap extending inwardly, formed in a tubular shape having a larger diameter than the through hole, and having a guide boss through which the needle is guided;

A spring disposed between the bottom plate and the needle fixing head to return the needle to the inside of the cylinder; ai,

An exhaust hole is formed in the cylinder to exhaust air between the middle plate and the punching plate.

In addition, in the syringe assembly of the present invention, a second coupling rib extending from the edge of the bottom plate to the other side and having a coupling groove is provided,

It is characterized in that one end is provided with a suction pad in close contact with the skin and the edge of the other end coupled to the coupling groove.

In addition, in the syringe assembly of the present invention, a discharge hole through which the liquid medicine is discharged is formed on an outer circumferential surface of the needle, and a rubber block coupled to an upper end of the guide boss and sealing the discharge hole of the needle is provided. .

In addition, in the injector assembly of the present invention, it is characterized in that an absorbent member in which a disinfectant is absorbed so as to disinfect the needle is provided inside the guide boss.

In addition, in the syringe assembly of the present invention, a first screw portion having a diameter smaller than the inner diameter of the cylinder is formed inside the rear end of the cylinder,

The chemical container includes a body in which the second through-hole is formed, the chemical solution is accommodated, and the outer circumferential surface is slidably coupled to the cylinder; A first small-diameter portion formed with a third screw portion and a gripping portion extending from the first small-diameter portion,

The piston head includes a head body slidably coupled to the body of the liquid medicine container, a fourth screw part extending from the head body and screwed with the third screw part on an outer circumferential surface thereof, and an end portion to which the piston rod is coupled. It is characterized in that it is provided with two small diameter parts.

First, the syringe assembly of the present invention accommodates the drug powder 101 and the drug solution 100 in the cylinder 10 from separate medicine bottles for each injection by embedding the drug powder 101 and the drug solution 100 in the cylinder 10 It eliminates the hassle of having to do it, and by receiving the drug powder 101 and the drug solution 100 in a metered amount in the syringe manufacturing step, even an unskilled person can perform a metered injection.

Second, the syringe assembly of the present invention allows the needle 31 to be accommodated in the cylinder 10 before and after injection, so that the handler can be protected from the needle 31 and the needle 31 can be protected from external foreign substances.

Third, the syringe assembly of the present invention adjusts the protruding length of the needle 31 by adjusting the screw of the guide cap 40, so that the injection depth can be adjusted according to the physical condition of the person to be injected or the injection site.

Fourth, the injector assembly of the present invention enables stable injection even for an unskilled person by adsorbing and injecting to an accurate injection site (skin) by the suction pad 60, and disinfecting in the absorbent member 2 as the needle 31 moves forward. Therefore, safe injection from germs is possible.

1 is a cross-sectional view showing a conventional syringe;
Figure 2 is a perspective view of the main part of the needle employed in the syringe assembly of the present invention;
Figure 3 is a cross-sectional view showing the syringe assembly of the first embodiment of the present invention;
Figure 4a is an exploded perspective view showing a part of the syringe assembly of the second embodiment of the present invention;
Figure 4b is a cross-sectional view showing the chemical reservoir and piston head of Figure 4a;
5a to 5f are operating states of the syringe assembly of the first embodiment;
6a and 6f are operational state diagrams of the syringe assembly of the second embodiment.

The powder drug, liquid drug and needle-embedded manual injector assembly of the embodiment of the present invention allow powder and liquid drugs to be separately accommodated, mixed and injected during use, and the needle can be accommodated in a cylinder before and after injection to protect the operator, external foreign substances to protect you from

In addition, even an unskilled person can inject while minimizing the flow of the needle in the correct area, and the protruding length of the needle can be adjusted so that the injection can be performed at an accurate injection depth.

In addition, the syringe assembly of the present invention is prepared by accommodating a powder drug and a liquid drug together with a needle in a cylinder, eliminating the hassle of subdividing from a separate medicine bottle into a syringe, and enabling even unskilled people to inject a fixed amount, From manufacturing production to final injection, the barcode system facilitates history management.

[First Embodiment]

Referring to Figures 2 and 3, the powdered medicine, liquid medicine and needle-embedded syringe assembly of the first embodiment of the present invention include a needle fixing head 30, which is slidably coupled sequentially from the front end side of the cylinder 10, the middle plate (70), a punching plate (80) and a chemical container (90).

The cylinder 10 is formed in a tubular shape, a handle 11 is formed at the rear end, and an exhaust hole 12 to be described later is formed on the outer circumferential surface.

One end of the needle 31 is coupled to the needle fixing head 30.

The needle 31 is formed in a hollow shape to connect the front and rear of the needle fixing head 30 and to allow the liquid medicine 100 and the medicine powder 101 to pass through.

The end of the needle 31 is closed to prevent leakage of the liquid medicament 100 and entry of foreign substances such as skin that have been dropped when entering the skin.

The intermediate plate 70 is spaced apart from the needle fixing head 30 toward the rear end of the cylinder 10 by a predetermined interval, is slidably coupled to the cylinder 10, and is positioned between the needle fixing head 30 and the intermediate plate 70. A first space 10a in which the medicine powder 101 is stored is formed.

A first through hole 71 is formed in the center of the intermediate plate 70, and a first sealing film 75 that seals the first through hole 71 and is perforated is attached.

The liquid medicine container 90 accommodates the liquid medicine 100, is spaced apart from the middle plate 70 toward the rear end of the cylinder 10 by a predetermined interval, and is slidably coupled to the cylinder 10, and is slidably coupled to the cylinder 10, and is at the center of the front plate. A second through hole 91 is formed in the rear surface and is open.

A second sealing film 95 that seals the second through hole 91 and is capable of being pierced is attached to the liquid medicine container 90 .

The punching plate 80 is disposed between the intermediate plate 70 and the liquid medicine container 90 and is slidably coupled to the cylinder 10 .

A third through hole 82 is formed in the center of the punching plate 80, and the first sealing film 75 and the second sealing film 95 are punched through the third through hole 82. The punching needle 81 of is coupled.

A second space portion 10b is formed between the intermediate plate 70 and the punching plate 80, and a third space portion 10c is formed between the punching plate 80 and the chemical container 90. .

The exhaust hole 12 is formed on the wall of the cylinder 10 between the middle plate 70 and the punching plate 80 so that the air in the second space 10b is discharged when the punching plate 80 is moved. It is allowed to be exhausted through the exhaust hole 12 .

Both ends of the punching needle 81 protrude into the second and third spaces 10b and 10c.

A piston head 21 is slidably coupled to the chemical reservoir 90 to pressurize the chemical liquid 100, and a piston rod 22 is coupled to the piston head 21.

On the other hand, the guide cap 40 is coupled to the front end of the cylinder 10.

The guide cap 40 includes a bottom plate 41 having a through hole 41a through which the needle 31 passes through the central portion and extending from the edge of the bottom plate 41 to one side, and the cylinder 10 ) and a tubular first coupling rib 42 screwed to the front end of the bottom plate 41 and extending from the center of the bottom plate 41 to the inside of the cylinder 10 and having a larger diameter than the through hole 41a. And a guide boss 43 through which the needle 31 is guided is formed.

In addition, the guide cap 40 is provided with a second coupling rib 44 extending from the edge of the bottom plate 41 to the other side and having a coupling groove 44a formed therein.

A suction pad 60 that adheres to the skin (S) of the patient is coupled to the coupling groove 44a.

A spring 50 is disposed between the bottom plate 41 and the needle fixing head 30 so that the needle 31 can be returned to the inside of the cylinder 10 after injection.

Referring to FIG. 2 , an end of the needle 31 is closed, and a discharge hole 31a through which the liquid chemical 100 is discharged is formed on an outer circumferential surface.

Referring to FIG. 3, a rubber block 1 for sealing the discharge hole 31a of the needle 31 is coupled to an upper end of the guide boss 43, and the inside of the guide boss 43 has the needle An absorbent member 2 with a disinfectant solution absorbed therein is arranged to disinfect 31.

The syringe assembly configured as described above operates as follows.

Referring to FIGS. 5A and 5B , first, the suction pad 60 is brought into close contact with the patient's skin (S).

In a state where the user's index and middle fingers are supported on the handle 11 and the thumb is positioned at the end of the piston rod 22, when force is applied to the thumb to move the piston head 21, the chemical solution 100, which is an incompressible liquid, The chemical container 90 is moved forward in the cylinder 10 by the pressure, and the punching plate 80 is moved forward by the air pressure of the third space 10c.

The amount of air introduced into the second space 10b through the punching needle 81 from the third space 10c is discharged from the second space 10b through the exhaust hole 12 to the outside. Since the air volume is large, the punching plate 80 can move when the chemical container 90 moves forward.

The punching needles 81 of the forwardly moving punching plate 80 pierce the first sealing film 75 of the needle fixing head 30 .

Referring to FIG. 5C, while the chemical container 90 is moved forward by the continuous pressurization of the piston rod 22, the second sealing film 95 is pierced by the punching needle 81, so that the punching needle ( 81), the first space portion 10a and the third space portion 10c communicate with each other.

Referring to FIG. 5D, when the piston rod 22 is continuously pressurized, the liquid medicine 100 in the medicine liquid container 90 is moved to the first space 10a and mixed with the medicine powder 101. do. In this state, the cylinder 10 is shaken so that the drug powder 101 is dissolved in the drug solution 100.

5D and 5E, when the piston rod 22 is continuously pressed, the needle 31, the needle fixing head 30, the middle plate 70, the punching plate 80, and the medicine container ( 90 is moved forward while compressing the spring 50 together, so that the needle 31 enters the skin S of the patient and injection is performed.

Here, since the tip of the needle 31 is coupled to the rubber block 1 at the beginning when the pressure of the piston rod 22 is applied, the discharge hole 31a is closed, so that the mixed medicine powder 101 The needle 31 punches the rubber block 1 in a state in which leakage of the chemical solution 100 and the liquid 100 is prevented, and the needle 31 is disinfected while passing through the absorbent member 2.

The injection is performed by continuously applying force to the piston rod 22 until the needle fixing head 30 reaches the end of the guide boss 43. In this case, since the injection depth of the needle 31 is constant, even an unskilled person can stably inject.

On the other hand, by adjusting the coupling length by screwing the guide cap 40 with respect to the cylinder 10, it is possible to adjust the protruding length of the needle 31 from the through hole 41a.

In this case, the injection depth may be adjusted according to the physical conditions of the subject of injection.

Referring to FIG. 5F, when the force applied to the piston rod 22 is released after injection, the needle 31 enters the cylinder 10 by the restoring force of the spring 50.

The syringe assembly as described above eliminates the trouble of subdividing a medicine from a separate medicine bottle into a syringe by being prepared by accommodating a fixed amount of liquid medicine 100, medicine powder 101, and needle 31 together in a cylinder 10. It solves the problem, enables even unskilled people to inject a fixed amount, and facilitates individual history management with a barcode system from manufacturing and production of syringes to final injection.

In addition, the syringe assembly of the first embodiment allows the needle 31 to be accommodated in the cylinder 10 before and after the injection, so that the handler can be protected and the needle can be protected from external foreign substances.

In addition, since the needle fixing head 30 and the middle plate 70 come into surface contact when in contact with each other, both the liquid medicine 100 and the medicine powder 101 can be discharged through the needle 31 . Accordingly, the amounts of the liquid medicine 100 and the medicine powder 101 remaining in the first space 10a of the cylinder 10 are minimized and saved.

In addition, by adsorbing and fixing the syringe to the correct injection site (skin) by the suction pad 60 and injecting, stable injection is possible even for unskilled people, and as the needle 31 is moved forward, the absorbent member 2 disinfects the bacteria to allow safe injection from

[Second Embodiment]

4a, 4b, and 6a to 6f show a second embodiment of the present invention.

The syringe assembly of the second embodiment is different from the syringe assembly of the first embodiment in that the medicine solution container 90 and the piston head 21 can be prevented from being separated from the cylinder 10.

Therefore, hereinafter, the difference between the chemical tank 90 and the piston head 21 will be described in detail, and since the remaining components are the same as those of the first embodiment, detailed descriptions will be omitted.

Referring to FIGS. 4A, 4B, and 6A, a first screw portion 15 having a smaller diameter than the inner diameter of the cylinder 10 is formed inside the rear end of the cylinder 10.

The chemical container 90 includes a body 92 in which the second through hole 91 is formed, the chemical liquid 100 is accommodated, and an outer peripheral surface is slidably coupled to the cylinder 10, and the body 92 A first small-diameter portion 93 in which a second screw portion 93a extending and screwed with the first screw portion 15 is formed on an outer circumferential surface and a third screw portion 93b is formed on an inner circumferential surface, and the first small-diameter portion 93 ) and a gripping portion 94 extending from it.

The piston head 21 includes a head body 21a that is slidably coupled to the body 92 of the chemical liquid container 90, and extends from the head body 21a and has the third screw portion 93b and a screw on the outer circumferential surface. A fourth screw portion 21c is formed and a second small diameter portion 21b to which the piston rod 22 is coupled is formed at an end thereof.

The chemical reservoir 90 is screwed to the cylinder 10, and the piston head 21 is screwed to the chemical reservoir 90. Therefore, the chemical liquid container 90 and the piston head 21 are prevented from being separated from the cylinder 10, and the piston head 21 is moved into the chemical liquid container 90 during transportation or handling to pressurize the chemical liquid 100. prevent doing

During injection, as shown in FIGS. 6B and 6C, the gripper 94 is gripped to rotate the drug container 90 to release the screw coupling with the cylinder 10, and also as shown in FIGS. 6D and 6E, the piston head 21 is rotated to perform an injection operation in a state in which the screw connection with the drug container 90 is released.

Other than the unscrewing operation of the chemical container 90 and the piston head 21, the rest of the injection operation (FIGS. 6A to 6F) is the same as that of the first embodiment, and thus description thereof will be omitted.

10 ... Cylinders 10a, 10b, 10c ... 1st, 2nd, 3rd space parts
11...handle 12...exhaust hole
15... First screw part 21... Piston head
22... Piston rod 30... Needle fixing head
31 ... needle 40 ... guide cap
50 ... spring 60 ... suction pad
70 ... middle plate 80 ... punching plate
90 ... medicine bottle

Claims (5)

a tubular cylinder 10 having a handle 11 formed at the edge of the rear end;
a needle fixing head 30 slidably coupled to the cylinder 10;
a hollow needle 31 having one end fixed to the needle fixing head 30 and through which the liquid medicine 100 and the medicine powder 101 pass;
It is spaced apart from the needle fixing head 30 toward the rear end of the cylinder 10 by a predetermined interval and is slidably coupled to the cylinder 10, and the medicine powder 101 is stored between the needle fixing head 30 and the needle fixing head 30. a middle plate 70 forming a first space 10a and having a first through hole 71 in the center thereof;
a first sealing film 75 that seals the first through hole 71 and is perforated;
It is spaced apart from the intermediate plate 70 toward the rear end of the cylinder 10 by a predetermined distance and is slidably coupled to the cylinder 10, a second through hole 91 is formed in the center of the front plate, and the rear end is opened. a drug reservoir 90 in which the drug solution 100 is accommodated;
a second sealing film 95 that seals the second through hole 91 and is perforated;
It is disposed between the intermediate plate 70 and the chemical container 90 and is slidably coupled to the cylinder 10, a third through hole 85 is formed in the central portion, and the intermediate plate 70 a punching plate 80 forming a second space 10b therebetween and a third space 10c between the chemical liquid container 90;
Both ends are coupled to the third through hole 82 of the punching plate 80 so as to protrude into the second space 10b and the third space 10c, and the first sealing film 75 and the second sealing a hollow punching needle 81 for punching the film 95;
a piston head 21 that is slidably coupled to the chemical liquid container 90 and pressurizes the chemical liquid 100;
A piston rod 22 that is coupled to the piston head 21 and pressurizes and moves the piston head 21;
A bottom plate 41 having a through hole 41a through which the needle 31 passes is formed in the central portion, extending from the edge of the bottom plate 41 to one side and screwed to the front end of the cylinder 10 The tubular first coupling rib 42 extends from the central portion of the bottom plate 41 to the inside of the cylinder 10 and is formed in a tubular shape having a larger diameter than the through hole 41a, and the needle 31 a guide cap 40 having a guided guide boss 43;
A spring 50 disposed between the bottom plate 41 and the needle fixing head 30 to return the needle 31 to the inside of the cylinder;
A manual injector assembly in which a powder drug, a liquid drug and a needle are embedded, characterized in that an exhaust hole 12 is formed in the cylinder 10 so that air between the middle plate 70 and the punching plate 80 is exhausted. The method according to claim 1, is provided with a second coupling rib 44 extending from the edge of the bottom plate 41 to the other side and formed with a coupling groove (44a),
A manual syringe assembly with a built-in powder drug, liquid drug and needle, characterized in that it has a suction pad 60 in which one end is in close contact with the skin (S) and the edge of the other end is coupled to the coupling groove (44a). The method according to claim 2, wherein a discharge hole 31a through which the chemical liquid 100 is discharged is formed on an outer circumferential surface of the needle,
A manual syringe assembly with a built-in powder drug, liquid drug and needle, characterized in that it is provided with a rubber block (1) coupled to the upper end of the guide boss (43) and sealing the discharge hole (31a) of the needle (31) . The manual syringe assembly according to claim 3, wherein the guide boss 43 has an absorbent member (2) provided with a disinfectant solution to disinfect the needle (31) inside the guide boss (43). The method according to claim 3, wherein a first screw portion 15 having a smaller diameter than the inner diameter of the cylinder 10 is formed inside the rear end of the cylinder 10,
The chemical container 90 includes a body 92 in which the second through hole 91 is formed, the chemical liquid 100 is accommodated, and an outer circumferential surface thereof is slidably coupled to the cylinder 10; A second screw part screwed with the first screw part has a first small diameter part formed on an outer circumferential surface and a third screw part formed on an inner circumferential surface, and a gripping part extending from the first small diameter part,
The piston head 21 includes a head body 21a that is slidably coupled to the body 92 of the chemical liquid container 90, and extends from the head body 21a and has the third screw portion 93b on the outer circumferential surface. A manual syringe assembly with a built-in powder drug, liquid drug and needle, characterized in that the fourth screw portion 21c to be screwed is formed and the second small diameter portion 21b to which the piston rod 22 is coupled to the end. .

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