KR20230021525A - A Needle Embedded Auto Syringe apparatus - Google Patents

Abstract

The present invention relates to a needle-embedded automatic syringe device. More specifically, the present invention relates to a needle-embedded automatic syringe device which enables stable injection regardless of the skill level, which can protect a handler from a sharp needle by accommodating the needle in a cylinder before and after injection, and which can protect the needle from external foreign substances. The needle-embedded automatic syringe device comprises the cylindrical cylinder, a needle fixing head, a piston head, liquid medicine, the needle, a tube, a guide gap, a spring, a fixing stand, and an actuator.

Description

Needle Embedded Auto Syringe Apparatus {A Needle Embedded Auto Syringe Apparatus}

The present invention relates to a needle-embedded automatic injector device, which enables stable injection regardless of skill level, protects a handler from a sharp needle by accommodating the needle in a cylinder before and after injection, and protects the needle from external foreign substances. It relates to a needle-embedded auto-injector device that can protect the

In addition, the present invention eliminates the hassle of subdividing from a separate drug container into a syringe by accommodating the drug solution and the needle together in a cylinder, and enables even unskilled handlers to inject a fixed amount, manufacturing and production It relates to a needle-embedded auto-injector device that facilitates history management with a barcode system from injection 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 inserted into the cylinder, a piston rod pressurizing the piston, and an injection needle coupled to the tip of the cylinder.

One example of a syringe is disclosed in Korean Patent Registration No. 10-1503886 and is shown in FIG. 1 . The syringe 10 is composed of a needle assembly 100, a syringe barrel 200 and a piston 300.

The injection needle assembly 100 is composed of an injection needle 110 and a safety tube 130, and the safety tube 130 is made of elastically deformable rubber, resin, or silicone material.

In the syringe 10 as described above, when the needle 110 penetrates the body, the safety tube 130 contracts behind the needle 111, and when the needle 110 comes out of the body, the safety tube 130 is extended to the front of the needle line 111.

In the injection needle assembly 100 as described above, by covering the safety tube 130 on the injection needle 110, the injection needle 110 always maintains a state covered by the safety tube 130, and therefore, the injection needle by hand ( 110), even if the needle 110 accidentally touches the body B, the hand or the body B always comes in contact with the safety tube 130 first, preventing accidents from being stabbed by the needle 110 You can do it.

However, the injection needle assembly 100 as described above has the following problems.

First, there is a problem in that the injection depth is different depending on the skill level of the injector.

Second, despite the use of the safety tube 130, since the safety tube 130 must be made of an elastic material, deformation such as bending of the injection needle 110 may occur due to external force when the operator handles it, In addition, there is a problem in that the safety tube 130 is elastically deformed and the operator is damaged by the needle 111 of the injection needle 110.

Third, since the safety tube 130 has an open structure, there is a problem in that the injection needle 110 is contaminated because foreign substances are introduced through the opening.

Fourth, in order to protect the injection needle 110, the safety tube 130 is formed long to correspond to the length of the injection needle 110, so in the case of an unskilled person, the injection needle 110 can move left and right during injection and the safety tube Since the force applied to the piston must be adjusted while considering the elastic deformation force of (130), it is inconvenient to inject into the correct area.

Fifth, the injection depth such as the epidermis, dermis, or muscle layer varies depending on the recipient, and the prior art has difficulty in injecting at an appropriate injection depth in the case of an unskilled person.

Sixth, since the syringe needs to insert the injection needle 110 into a separate drug barrel where the drug solution is stored, receive the drug solution in the syringe barrel 200, and then inject the drug into the recipient, it is cumbersome to separately prepare the drug barrel and the syringe. However, in the case of unskilled persons, it is difficult to subdivide an accurate amount of liquid from the liquid container and introduce it into the syringe.

Seventh, as shown in FIG. 1B, there is a problem in that the chemical solution 101 remains in the space between the tip 201 and the end cap 140 after injection, resulting in loss of the drug solution.

Korean Patent Registration No. 10-1503886

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

First, it is to provide a needle-embedded automatic injector device capable of protecting a handler from a needle before and after injection, and protecting a needle from external foreign substances.

Second, by accommodating the drug solution and the needle together in a cylinder, it eliminates the hassle of subdividing the drug solution into a syringe from a separate container, and enables even unskilled people to inject a fixed amount. It is to provide a needle-embedded automatic injector device that facilitates individual history management with a barcode system from injection to injection.

Third, it is to provide a needle-embedded auto-injector device that allows even unskilled people to stably inject an accurate area while minimizing the flow of the needle.

Fourth, it is to provide a needle-embedded automatic injector device in which even an unskilled person can adjust the injection depth according to the physical condition of the person to be injected or according to the injection site.

Fifth, it is to provide a needle-embedded automatic injector device capable of minimizing the amount of liquid remaining in the syringe after injection.

The present invention to achieve the above object is a needle-embedded auto-injector device,

a tubular cylinder;

a needle fixing head slidably coupled to the cylinder;

a piston head spaced apart from the needle fixing head at a predetermined interval and slidably coupled to the cylinder and capable of being in close contact with the needle fixing head;

a chemical solution accommodated between the needle fixing head and the piston head;

a needle having one end fixed to the needle fixing head, through which the liquid medicine passes, and an outer circumferential surface of the other end having a discharge hole inserted into an injection site and through which the liquid medicine is discharged;

a tube slidably coupled to the needle and sealing the discharge hole;

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 other end of the cylinder, and the center portion of the bottom plate a guide cap extending inside the cylinder, formed in a tubular shape having a larger diameter than the through hole, and having a guide boss on which the other end of the needle and the tube are disposed;

a spring disposed between the bottom plate and the needle fixing head to restore the other end of the needle to an inner position of the through hole;

a fixing table for fixing the cylinder;

It is characterized in that it is provided with; an actuator that presses the piston head to move forward and retreat.

In addition, in the syringe device 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, one end of which is in close contact with the skin of the injection site and the other end edge is coupled to the coupling groove. It is characterized by having a.

In addition, in the injector device of the present invention, an accommodation groove in which the other end of the needle is accommodated is formed in the center of the other end of the suction pad.

In addition, in the injector device of the present invention, a first screw portion having a smaller diameter than the inner diameter of the cylinder 10 is formed at one end of the cylinder,

The piston head is characterized in that it is formed of a coupling portion formed with a second screw portion screwed to the first screw portion, and a head body coupled to the coupling portion and sliding on the cylinder.

First, by fixing the cylinder and automatically injecting with an actuator, there is an effect of stably injecting at a certain depth regardless of the skill level of the injector.

Second, the injector device of the present invention eliminates the inconvenience of having to accommodate the chemical solution 100 in the cylinder 10 from a separate drug container by embedding the drug solution 100 in the cylinder 10.

Third, the injector device 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.

Fourth, the syringe device 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.

Fifth, the injector device of the present invention enables stable injection by adsorbing and injecting to the exact injection site (skin) by the suction pad 60, and since the needle 31 is moved forward and disinfected in the disinfection unit 65, to allow safe injection from

1 is a perspective view showing a conventional syringe;
2a and 2b are operating state diagrams of the injector device of the first embodiment of the present invention;
3 is a perspective view showing the end of the needle;
Figure 4 is a cross-sectional view showing the syringe device of the second embodiment of the present invention;
5a to 5c are operating state diagrams of the syringe device of the second embodiment;
6A and 6B are separated cross-sectional views and combined cross-sectional views of a syringe device showing a modified example.

The needle-embedded automatic injector device according to the embodiment of the present invention enables accurate injection regardless of skill level, protects the operator from the needle before and after injection, and protects the needle from external foreign substances.

In addition, even an unskilled person can inject while minimizing the flow of the needle in an accurate 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 needle-embedded automatic injector device of the present invention is manufactured by accommodating the drug solution and the needle together in a cylinder, thereby eliminating the hassle of subdividing from a separate drug container 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]

2a, 2b and 3, the needle-embedded auto-injector device of the first embodiment of the present invention is slidably coupled to a tubular cylinder 10 in close contact with the inner wall of the cylinder 10, and has a drug discharge hole ( 31a), a needle fixing head 30 to which the needle 31 formed is fixed, a piston head 21 spaced apart from the needle fixing head 30 and slidably coupled to the cylinder 10, and the needle ( 31) and a tube 32 that is slidably coupled to the discharge hole 31a and seals the discharge hole 31a, a guide cap 40 coupled to one end of the cylinder 10 and from which the needle 31 protrudes and retracts, A spring 50 coupled to the cylinder 10 and returning the needle 31 to the inside of the cylinder 10 after injection, a fixing table 80 for fixing the cylinder 10, and pressurizing the piston head 21 It is provided with an actuator 70 that moves forward and retracts.

The fixing table 80 and the actuator 70 may be integrally manufactured to have the same shape as a pistol.

The drug solution 100 to be injected is accommodated in the space between the needle fixing head 30 and the piston head 21.

The needle 31 is formed thin and long, and is formed in a hollow shape during manufacturing.

The end of the needle 31 is formed sharply to facilitate entry into the skin, and the discharge hole 31a through which the chemical solution 100 is discharged is formed on the outer circumferential surface spaced apart from the end of the needle 31, The end is closed to prevent leakage of the chemical solution 100 and foreign substances such as skin that have been dropped when entering the skin.

The chemical liquid 100 is accommodated between the needle fixing head 30 and the piston head 21 .

Since the needle fixing head 30 and the piston head 21 come into surface contact when they come into contact with each other, all of the liquid medicine 100 can be discharged through the needle 31 . Accordingly, the chemical solution 100 remaining between the needle fixing head 30 and the piston head 21 can be minimized to save the chemical solution 100 .

The tube 32 prevents leakage of the drug solution 100 before injection and prevents inflow of foreign substances.

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 other end of the tubular, extending from the center portion of the bottom plate 41 to the inside of the cylinder 10 and having a larger diameter than the through hole 41a. It is formed and has a guide boss 43 on which the other end of the needle 31 and the tube 32 are disposed.

The spring 50 is disposed between the bottom plate 41 and the needle fixing head 30 to restore the end of the needle 31 to the inner position of the through hole 41a after injection.

Such a syringe device is used as follows.

The cylinder 10 and the actuator 70 are mounted on the fixing table 80.

The actuator 70 is operated to advance and retract by a certain stroke by means of a screw or hydraulic pressure.

When the actuator 70 is operated, as it moves forward, the piston head 21, the chemical liquid 100 as an incompressible liquid, and the needle fixing head 30 move forward in the cylinder 10, and the needle 31 protrudes. As it happens, the injection is performed.

Referring to FIG. 2B, when the needle fixing head 30 is moved forward by the pressure of the actuator 70, the end of the needle 31 protrudes into the through hole 41a of the bottom plate 41. and enters the skin (S).

The needle fixing head 30 continues to move until it reaches the end of the guide boss 43 .

When the needle 31 is advanced and protrudes from the cylinder 10, the tube 32 is supported by the bottom plate 41 and remains in the guide boss 43, and only the needle 31 passes through the through hole. (41a).

At the beginning of the forward movement of the piston head 21, the chemical liquid 100, and the needle fixing head 30, the discharge hole 31a of the needle 31 is closed by the tube 32, so the chemical liquid ( 100) does not leak through the discharge hole 31a.

As the actuator 70 continuously advances, the needle fixing head 30 compresses the spring 50 and moves until it reaches the end of the guide boss 43, and at the same time, the needle 31 moves forward to move the skin ( S) enters.

Thereafter, as the piston head 21 and the chemical liquid 100 are moved by the continuous forward movement of the actuator 70, the chemical liquid 100 is injected into the skin S through the needle 31.

When the actuator 70 is retracted after injection, the needle fixing head 30 and the piston head 21 are retracted by the restoring force of the spring 50, and the needle 31 enters the cylinder 10 do.

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.

The injector device as described above enables stable injection regardless of skill level through automatic injection by the actuator 70 .

In addition, by accommodating the fixed dose of the drug solution 100 and the needle 31 together in the cylinder 10, manufacturing eliminates the hassle of subdividing from a separate drug container to a syringe and injects a fixed amount even for unskilled users. From syringe manufacturing to final injection, individual history management is facilitated with a barcode system.

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

In addition, by adjusting the protruding length of the needle 31 by adjusting the screw of the guide cap 40, it is possible to inject at an accurate injection depth according to the condition of the person to be injected.

[Second Embodiment]

The syringe device of the second embodiment of the present invention shown in FIG. 4 has a structure in which the guide cap 40 of the components of the syringe device of the first embodiment is modified.

The guide cap 40 is coupled with a suction pad 60 in close contact with the skin (S).

Since the remaining components shown in FIG. 4 have the same configuration as those of the first embodiment, the same reference numerals are indicated and detailed descriptions will be omitted.

The guide cap 40 extends from the edge of the bottom plate 41 to one side and the first coupling rib 42 screwed to the cylinder 10, and extends from the edge of the bottom plate 41 to the other side. and a second coupling rib 44 having a coupling groove 44a formed thereon.

The suction pad 60 has one end in close contact with the surface (skin) of the injection site and the other end edge coupled to the coupling groove 44a. The suction pad 60 is formed of a flexible material such as silicon, so it is easy to vacuum adhere to the skin.

Also, the suction pad 60 is easily penetrated by the needle 31 advanced by the scanning force provided by the actuator 70 .

5A to 5C show operating state diagrams of the injector device of the second embodiment.

The cylinder 10 and the actuator 70 are mounted on the fixing table 80.

The actuator 70 is operated to advance and retract by a certain stroke by means of a screw or hydraulic pressure.

When the actuator 70 is operated, as it moves forward, the piston head 21, the chemical liquid 100 as an incompressible liquid, and the needle fixing head 30 move forward in the cylinder 10, and the needle 31 protrudes. As it happens, the injection is performed.

5A and 5B, when the skin S to be injected is brought into close contact with the suction pad 60 and the actuator 70 is operated as shown in FIG. 5B, the piston head 21 and the incompressible liquid The phosphorus liquid 100 and the needle fixing head 30 move forward in the cylinder 10 at the same time.

As the needle fixing head 30 moves forward, the end of the needle 31 penetrates the suction pad 60 through the through hole 41a of the bottom plate 41 and enters the skin S. .

The needle fixing head 30 continues to move until it reaches the end of the guide boss 43 .

When the needle 31 is advanced and protrudes from the cylinder 10, the tube 32 is supported by the bottom plate 41 and remains in the guide boss 43, and only the needle 31 passes through the through hole. (41a).

The needle 31 passing through the passage hole 41a and passing through the suction pad 60 enters the skin S, and the liquid medicine 100 is injected while the discharge hole 31a is located at the injection part.

As shown in FIG. 5C, when the actuator 70 is retracted after injection, the needle fixing head 30 and the piston head 21 are retracted by the restoring force of the spring 50, and the needle 31 is the cylinder ( 10) Enter inside.

[Third Embodiment]

6A and 6B show another exemplary needle embedded autoinjector device.

The same reference numerals are used for components identical to those of the second embodiment, and detailed descriptions thereof will be omitted.

A characteristic configuration of the third embodiment is that an accommodation groove 61 accommodating the end of the needle 31 is formed in the suction pad 60, and a disinfection unit 65 is disposed in the accommodation groove 61. The needle 31 is disinfected in the disinfection unit 65 while moving forward.

In addition, a first screw portion 12 having a smaller diameter than the inner diameter of the cylinder 10 is formed at one end of the cylinder 10 .

The piston head 21 includes a coupling portion 21b having a second screw portion 21a screwed to the first screw portion 12, coupled to the coupling portion 21b and sliding on the cylinder 10. It consists of a head body (21c).

The injector device configured as described above performs automatic injection in a state in which the screwed state between the first screw part 12 and the second screw part 21a is released by rotating the piston head 21 .

Since the piston head 21 is screwed into the first screw part 12, the chemical solution 100 is stably accommodated between the needle fixing head 30 and the piston head 21 during handling, such as carrying a syringe, and the piston (20) so that the departure can be prevented.

The injector device of the above embodiments is manufactured by accommodating a fixed amount of the liquid medicine 100 and the needle 31 together in the cylinder 10, thereby eliminating the hassle of subdividing the medicine from a separate medicine container into a syringe. Even unskilled people can inject a fixed amount, and from the manufacturing and production of the syringe to the final injection, the barcode system makes it easy for individual history management.

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

In addition, by adjusting the protruding length of the needle 31 by adjusting the screw of the guide cap 40, it is possible to inject at an accurate injection depth according to the skin condition of the person to be injected.

In addition, stable injection is possible because the skin (S) adheres to the suction pad 60, and safe injection from bacteria is possible because the needle 31 is disinfected in the disinfection unit 65 while moving forward.

In addition, since the needle fixing head 30 and the piston head 21 come into surface contact when they come into contact with each other, all of the liquid medicine 100 can be discharged through the needle 31 . Accordingly, the chemical liquid 100 remaining between the needle fixing head 30 and the piston head 21 is minimized to save the chemical liquid 100.

10... Cylinder 12... First screw part
13 ... slip part 21 ... piston head
21a ... second screw part 30 ... needle fixing head
31 ... needle 32 ... tube
40 ... guide cap 50 ... spring
60 ... suction pad 70 ... actuator
80...Standard

Claims (4)

a tubular cylinder 10;
a needle fixing head 30 slidably coupled to the cylinder 10;
a piston head 21 spaced apart from the needle fixing head 30 at a predetermined interval and slidably coupled to the cylinder 10 and capable of being in close contact with the needle fixing head 30;
a chemical solution 100 accommodated between the needle fixing head 30 and the piston head 21;
a needle 31 having one end fixed to the needle fixing head 30 through which the liquid medicine 100 passes and having a discharge hole 31a formed on an outer circumferential surface of the other end inserted into an injection site and through which the liquid medicine 100 is discharged;
a tube 32 slidably coupled to the needle 31 and sealing the discharge hole 31a;
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 other end of the cylinder 10. The cylindrical first coupling rib 42, which extends from the central portion of the bottom plate 41 to the inside of the cylinder 10 and is formed in a cylindrical shape having a larger diameter than the through hole 41a, and the needle 31 A guide cap 40 having a guide boss 43 on which the other end and the tube 32 are disposed;
a spring 50 disposed between the bottom plate 41 and the needle fixing head 30 to restore the other end of the needle 31 to an inner position of the through hole 41a;
a fixing table 80 for fixing the cylinder 10;
A needle-embedded auto-injector device, characterized in that it is provided with; an actuator 70 that presses the piston head 21 to move forward and retract. The method according to claim 1, a second coupling rib 44 extending from the edge of the bottom plate 41 to the other side and having a coupling groove 44a is provided, one end of which is in close contact with the skin S of the injection site and the other end edge Needle-embedded auto-injector device, characterized in that provided with a suction pad (60) coupled to the coupling groove (44a). The method according to claim 2, wherein the receiving groove 41 in which the other end of the needle 31 is accommodated is formed at the center of the other end of the suction pad 60,
A needle-embedded auto-injector device, characterized in that the receiving groove (41) surrounds the needle (31) and contains a disinfection unit (65) containing a disinfectant solution. The method according to claim 2, wherein a first screw portion 12 having a smaller diameter than the inner diameter of the cylinder 10 is formed at one end of the cylinder 10,
The piston head 21 includes a coupling portion 21b having a second screw portion 21a screwed to the first screw portion 12, coupled to the coupling portion 21b and sliding on the cylinder 10. A needle-embedded auto-injector device characterized in that it is formed of a head body (21c).

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