KR101687121B1 - An anti-lock system of disposable syringes, needles, stabbed - Google Patents

Abstract

The present invention relates to an injection needle puncture preventing device for a syringe which can safely handle a used syringe by covering a syringe used to prevent a secondary infection due to piercing of a used injection needle, A needle cartridge having a body provided with a cylinder to be received therein, a needle cartridge connected to the body to inject a drug into a subcutaneous tissue, and a rod installed to be moved back and forth in the cylinder of the body to discharge the drug in the cylinder A scanning unit; A protector having a protective cap provided on a tip end side of the main body of the scanning unit to surround the needle cartridge and a needle cap for protecting the needle of the needle cartridge inside the protective cap; And a coupling part formed in the entrance of the protective cap which covers the tip of the body and which serves as a fixing groove that forms a coupling with the coupling frame. In the disposable syringe, The protective cap encapsulates the tips of the needles so that they are not prone to stabbing.

Description

An anti-lock system for disposable syringes, needles, stabbed,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an injection needle puncture prevention apparatus for preventing a needle from being stuck to an injection needle by careless handling of a syringe used after using a syringe most commonly used in the medical field, The present invention relates to a syringe needle puncture prevention device for protecting a used syringe from a syringe to protect a used syringe from being infected.

  The present invention provides a protective safety cap for inserting a needle after injection of a drug so as to prevent injuries from the syringe and needle used by the medical staff or the handlers, The environment is in desperate need.

Such a needle puncture is also due to the indifference of the protective equipment to the used syringe, although the tip of the needle is sharp.

Typically, disposable syringes are released with a protective cap to prevent contamination of the needle before use or to prevent the tip of the needle from impacting the other. Therefore, when using the disposable syringe, the protective cap on the needle is first peeled off, the needle is inserted into the vial, the rod of the syringe is retracted, the drug is filled into the cylinder of the syringe, , Or the vein or artery.

The disposable syringe with the injection needle removed from the skin after the drug injection as well as the disposable syringe with the injection needle was discarded to the medical garbage or the disposal box as it is, It is often the case that the needle is stuck to the needle used in the course of carrying and the needle is accidentally stuck in the process of discarding the used syringe.

A disposable syringe for attaching a protective cap to an injection needle site has been proposed in Korean Patent Laid-Open No. 1999-0049597 (hereinafter referred to as "pre-patent") in order to prevent such clogging.

The prior art patent has improved its structure to enable automated assembly so that disposable syringes can be supplied at low cost and patients are not burdened when injecting drugs.

To this end, an outer tube 1 in which an insertion groove 9 is formed in the vicinity of the handle 1b, and a protector 10 which is movably wrapped around the outer tube and has an insertion jaw 10 inserted in the insertion groove 9, Shaped stopper 12 fitted in a coupling part 1a formed in the outer cylinder and a protective cap 8 formed inside the protective cap and protruding to the outside, The stopper 12 and the outer cylinder 1 at the fully wrapping position and the latching jaw 13 for controlling the pulling-out of the outer cylinder 1. This makes it possible to mass-produce the automatic disassembly of the disposable syringe at a lower cost It becomes available.

This prior art patent discloses that the protective cap 8 mounted on the outer cylinder 1 is slid from the vicinity of the handle 1b of the outer cylinder 1 to the position of the injection needle 2 and inserted into the insertion groove 9 of the outer cylinder 1 When the insertion stop 10 of the protective cap 8 is slid in the inserted state, the injection needle 2 is exposed and the protective cap 8 is caught in the front end engagement groove 14 of the outer cylinder 1 When the jaw 13 is slid to be engaged, the injection needle 20 is completely wrapped around the protective cap 8 so that the injection needle 2 is isolated and protected by the protective cap 8, The protective cap 8 is prevented from being stuck or injured due to carelessness due to the state in which the needle is wrapped.

However, this prior art patent has a configuration in which the protective cap is slid on the outer cylinder, so that the protective cap is unintentionally pushed toward the handle of the outer cylinder in a state in which the protective cap is slid from the outer cylinder to the needle position, Is suddenly exposed, so that the needle is stuck to the needle.

That is, since the tip of the protective cap is pierced for exposing the needle, the needle is exposed, and thus the injection needle can not be completely isolated, which is not stable.

Korean Patent Publication No. 1999-0049597

It is an object of the present invention to prevent secondary infection by preventing it from being pinched by the used injection needle.

The present invention can be used not only for securing the used needle to the tip portion in the process of being isolated and protected by the protective cap so that the needle is not detached from the protective cap but also the moment when the protective cap is separated from the syringe, And to be separated from the syringe so that the needle stuck to the used needle is fundamentally blocked.

An object of the present invention is to provide a needle cartridge including a body having a cylinder to receive a drug, a needle cartridge having a needle inserted into the body to inject a drug into a subcutaneous tissue, A scanning unit including a rod for discharging the drug; A protector having a protective cap provided on a tip end side of the main body of the scanning unit to surround the needle cartridge and a needle cap for protecting the needle of the needle cartridge inside the protective cap; A coupling part protruding from the body of the scanning part and a coupling part formed in the entrance of the protective cap covering the tip of the body and serving as a fixing groove which is formed with a coupling frame, .

In the configuration in which the object of the present invention is achieved, the protective cap has a diameter which is covered with the body of the scanning part, a length which accommodates the needle cartridge coupled to the scanning part, and which is detached from the distal end of the scanning part body; And a protective cap is formed in the needle cap protruding from the inner surface of the isolation chamber against the injection needle protected by the protection cap.

In the configuration in which the object of the present invention is achieved, the engaging portion includes: a latching jaw that slopes the outer surface of the coupling frame protruding from the outer diameter of the body of the scanning portion; And a fixing groove formed on an inner surface of the isolation chamber inlet of the protection cap to receive a slanting jaw of the body, wherein the fixing groove is formed on the inner surface of the isolation chamber.

In the configuration in which the object of the present invention is achieved, the protective cap includes: a first cap and a second cap divided in a semicircular shape by cutting one side of the cylindrical protective cap in the lateral direction; Wherein the first cap and the second cap are opened and closed while maintaining a connected state; And a cutout pin and a positioning hole are provided on the cut-away surface so that the cut-away surfaces of the separated first compartment and the second compartment come into contact with each other to form a cylindrical protective cap.

In the configuration in which the object of the present invention is achieved, the opening and closing part of the protection cap includes a first cap separated into the semicircular shape and first and second separation plates for removing a needle cartridge in respective separation chambers of the second cap And the needle cartridge is positioned between the coupling cap of the needle cartridge and the nose of the scanning portion.

In the configuration in which the object of the present invention is achieved, the needle cap includes: a protection hole formed therein for concealing a needle tip of a needle cartridge; Wherein the protection hole is filled with a protective adhesive so that the tip of the injection needle of the injection unit to which the protective cap is attached is prevented from being detached from the separation chamber due to adhesiveness of the protection agent.

In the configuration in which the object of the present invention is achieved, the protective cap is characterized in that the semi-circular first cap and the second cap are fixed by the adhesive band bonded to the outer surface of the cut surface.

According to the present invention, the injection needle and the protective cap surrounding the disposable syringe are stably coupled to the disposable syringe. Therefore, even if the user negligently handles the used disposable diaphragm, the tips of the needles So that there is no incidence of piercing due to carelessness.

 According to the present invention, when the used needle is to be isolated from the protective cap, the disposable syringe tip is provided with an isolating effect by a simple operation of covering or wrapping the protective cap.

In addition, according to the present invention, when the protective cap encapsulates the periphery including the injection needle, it is advantageous that a protective agent, which becomes dull in the tip portion of the injection needle, is adhered to prevent a stabbing accident by the injection needle in the removal process / RTI >

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an exploded view of an injection needle stuck apparatus to which the present invention is applied; FIG.
FIG. 2 is a cross-sectional view partially showing a structure of a needle protection state in the present invention. FIG.
Fig. 3 is a cross-sectional view of a state where a plurality of blades are formed inside the protective cap of the present invention. Fig.
FIG. 4 is a perspective view showing another embodiment of the protective cap of the present invention. FIG.
FIG. 5 is a plan view showing a state in which a separation plate is further formed in an isolation chamber in another embodiment of the protective cap of FIG. 4;
6 is a longitudinal sectional view of the separator plate of FIG. 5;
7 is a cross-sectional view of the coupling structure of the protective cap according to an embodiment of the present invention.
8 is a cross-sectional view of another structure of the protection cap according to the embodiment of the present invention.

Specific embodiments in which the present invention may be practiced will now be described with reference to the accompanying drawings.

It is to be understood that these embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, and that the various embodiments of the invention are not necessarily mutually exclusive.

For example, certain features, structures, and characteristics described herein may be implemented in other embodiments without departing from the spirit and scope of the invention in connection with one embodiment. It is also to be understood that the position or arrangement of the individual components within each disclosed embodiment may be varied without departing from the spirit and scope of the invention.

The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the present invention is to be limited only by the appended claims, along with the full scope of equivalents to which such claims are entitled, if properly explained. In the drawings, like reference numerals refer to the same or similar functions throughout the several views, and length and area, thickness, and the like may be exaggerated for convenience.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, so that those skilled in the art can easily carry out the present invention.

1, the apparatus for preventing puncture of a puncture needle according to the present invention comprises a body 110 having a cylinder 110 for receiving a drug, A needle cartridge connected to the body 110 and having an injection needle 152 into which a drug is injected into a hypodermic tissue and a needle cylinder 152 installed to move back and forth in the cylinder 112 of the body 110, And a rod 120 to be discharged,

A protective cap 210 installed at the tip of the body 110 of the scan unit 100 while covering the needle cartridge 150 and a needle supporting unit 150 for holding the needle 152 of the needle cartridge 150 inside the protective cap 210. [ A protector 200 having a needle cap 250 for protecting the needle cap 250,

A coupling frame 310 protruding from the body 110 of the scanning unit 100 and a coupling cap 310 formed inside the entrance of the protection cap 210 covering the tip of the body 110, And an engaging portion 300 serving as a fixing groove 350. [

FIG. 2 is a cross-sectional view partially illustrating the structure of the injection needle protection state according to the present invention. The protection cap 210 includes a separation chamber 220 having a diameter to be covered by the body 110 of the injection unit 100 The other side of the isolation chamber 220 is closed and the other side is a length accommodated by the needle cartridge 150 coupled to the scan unit 100 and becomes an open inlet. An inlet frame 230 for the separation operation is formed.

The protective cap 210 is detached from the front end of the body 110 of the scanning unit 100.

The protection cap 210 is coupled to the tip of the body 110 so that the isolation chamber 220 is wrapped around the outer surface of the needle cartridge 150 coupled to the nose 115 of the body 110.

A needle cap 250 protrudes from the inner surface of the isolation chamber 220 of the protection cap 210 to protect the tip 153 of the injection needle 152 of the isolation chamber 220, The needle cap 250 has a space in which the tip 153 of the injection needle 152 can be concealed so that a protective hole 252 is provided.

The protection hole 252 is required to have a size such that the sharpened tip 153 including the end of the injection needle 152 is securely protected. In particular, in order to insert the protection hole 252 smoothly, It is preferable to form a conical shape that gradually widens the inside of the entrance, such as a fallopian tube.

The tip of the injection needle 152 positioned in the protection hole 252 is filled with the adhesive agent 500 in the inner space of the protection hole 252, So that the needles 152 are not separated from each other in the isolation chamber 220.

A coupling part 300 for maintaining the coupling state of the protection part 200 coupled to the tip of the body 110 of the scan part 100 with the body 110 of the protection cap 210 is formed.

The coupling part 300 is formed at the inner surface of the inlet of the isolation chamber 220 of the protection cap 210 and is fixed to the outer surface of the body 110 of the scan part 100. The coupling part 300 protrudes from the outer surface of the tip of the body 110, Grooves 350 are formed.

The engaging portion 310 of the engaging portion 300 is formed with an engaging protrusion 313 which is inclined as shown in an enlarged section of FIG. 2 in a state of protruding from an outer diameter surface of the body 110,

In addition, the fixing groove 350 of the isolation chamber 220, which is engaged therewith, is formed to have a shape in which the inclined stopper 313 stably hangs.

The fixing groove 350 may be formed on the inner surface of the isolation chamber 220 as shown in the sectional view of FIG. 3 so that the fixing groove 350 can be hidden according to the length of the injection needle 152.

The protective cap 210 is not coupled to the tip of the body 110 at the front position of the needle cartridge 150 of the scan unit 100 but is inserted into the needle cartridge 150 from the vicinity of the needle cartridge 150, In order to protect the injection needle 152 in a state of surrounding the injection needle 152.

In order to dispose of the injection needle 152 used in the patient after using the disposable syringe used in the present invention, the needle cartridge 150 attached to the tip of the body 110 of the injection unit 100 is attached to one side Thereby allowing the isolation chamber 22 of the closure cap 210 to be covered.

When the protective cap 210 is mounted on the front end of the body 110, the needle cartridge 150 coupled to the nose 115 of the body 110 is protected from the space of the isolation chamber 220 of the protection cap 210 The protective cap 210 is stuck to the coupling frame 310 of the body 110 so that the tip of the protective cap 210 is closed and the fixing groove 350 formed at the entrance of the other end of the protective cap 210 is not artificially separated. The outer surface of the protective cap 210 coupled to the body 110 of the injection unit 100 is separated from the needle cartridge 150 by human skin contact.

The protective cap 210 protects the needle cartridge 150 and protects the tip of the needle 152 and the tip 153 of the needle 152 from being clogged with the needle cap 250 protruding from the closed inner surface of the isolation chamber 220 State.

In other words, since the trickle-type protection hole 252 is formed in the needle cap 250, the tip of the injection needle 152 of the needle cartridge 150 and the tip end 153 of the needle cap 250 are inserted into the protection hole The end of the injection needle 152 and the tip end 153 of the injection needle 152 are doubly protected by the isolation chamber 220 and the protection hole 252 of the protection cap 210.

In addition, since the protection hole 252 is protruded from the clogged inner surface of the isolation chamber 220, the protection cap 252 is stably protected and concealed by the protection cap 210.

In addition, the protective space 252 is filled with a protective agent 500 having a strong adhesive force and strong cohesive force.

When the injection needle 152 is positioned inside the protection hole 252 of the protection cap 210, the end portion and the tip 153 of the injection needle 152 protrude into the protection hole 252, The tip end portion including the tip end 153 is fixed to the protection hole 252 by the protector 500 due to the physical property of the protector 500 and the sharp tip 153 is positioned outside the disposable syringe Not only is not exposed but also remains fixed within the isolation chamber 220 by the protector 500. In the course of disposing the used disposable syringe, the tip 153 of the injection needle 152 is damaged or damaged No puncture damage will be issued.

[Example 1]

The protective cap 210 for protecting the needle cartridge 150 coupled to the nose 115 protruding from the body 110 of the disposable syringe 100 of the scanning unit 100 is formed by inserting one side of the protective cap 210 in the lateral direction And the isolation chamber 220 is opened and closed.

FIG. 4 is a state view illustrating an embodiment of a protective cap for a puncture needle of the present invention, wherein one side of the cylindrical protective cap 210 is cut so that the protective cap 210 contacts the first cap 410, And the other end of the first cap 410 and the second cap 420 are connected to each other at the other side of the protective cap 210, The opening / closing part 400 having the opening / closing part 405 is formed.

When the protective cap 210 is divided into the first cap 410 and the second cap 420, the isolation chamber 220 is divided into a natural first isolation chamber 220a and a second isolation chamber 220b, The needle cap 250 protruded from the clogged inner surface of the garlic cap 250 is divided into the first needle cap 250a and the second needle cap 250b and the trumpet-shaped protection hole 252 formed in the garlic cap 250 And is divided into a first protection hole 252a and a second protection hole 252b.

The semicircular first cap 410 and the second cap 420 constituting the opening and closing part 400 are connected to the cut surfaces of the first cap 410 and the second cap 420 by using the hinge 405 as a rotation axis. The fixing pin 360 protrudes from the cut surface 403 of the first cap 410 and the second cap 450 and the fixing pin 360 protrudes from the cut surface 403 of the second cap 450, When the fixing pin 360 and the positioning hole 370 are assembled by forming the positioning hole 370 by dugging the hole to insert the pin 360, the state of the first cap 410 and the second cap 420 are aligned And the first and second isolation chambers 220a and 220b inside the protection cap 210 form the isolation chamber 220 due to the coupling state of the first cap 410 and the second cap 420. [

The protective cap 210 may be formed in such a manner that the needle cartridge 150 of the scanning unit 100 is placed over the first isolation chamber 220a while the first cap 410 and the second cap 420 are unfolded, The fixing pin 360 is inserted into the positioning hole 370 and the protective cap 210 is assembled by rotating the hinge bracket 220b with the rotation shaft.

The protective cap 210 assembled as described above has a first fixing groove 350a formed in the isolation chamber 220 and a coupling frame 310 formed on the body 110 of the scanning unit 100 in the second fixing groove 350b The slanting stopper 313 of the coupling frame 310 is caught by the fixing groove 350 provided at the mouth of the isolation chamber 220 inside the protective cap 210 as shown in FIG.

The injection needle 152 of the needle cartridge 150 is also protected by the first and second protection holes 252a and 252b of the first needle cap 250a and the second needle cap 250b to be formed, The protection hole 252 is filled with the protective agent 500 to prevent the needle needle 152 from being separated from the isolation chamber 220 of the needle cartridge 150.

The protector 500 filled in the protective hole 252 is adhered to the protective hole 252 so that the end including the tip end 153 of the injection needle 152 is fixed to the protective hole 252.

FIG. 5 is a plan view showing a state in which a separation plate is further formed in the isolation chamber in another embodiment of the protection cap of FIG. 4, and FIG. 6 is a longitudinal sectional view of the separation plate of FIG.

When the first cap 410 and the cut-off surface 403 of the second cap 420 come into contact with each other, the isolation chamber 220, in which the first and second isolation chambers 220a and 220b are formed, 150 to be separated from the body 110 of the scanning unit 100. The first and second separation plates 440,

The first separator plate 440 and the second separator plate 450 are formed with respective contact grooves 440a and 450a having diameters to cover the outer surface of the nose 115, The surfaces of the first and second separation plates 4400 and 450 are positioned between the cap 150 and the nose 115 of the body 110. The surfaces of the first and second separation plates 4400 and 450 are located on the back surface of the coupling cap 150 of the injection needle 152, Thereby bringing it into a contactable state.

The first and second separation plates 440 and 450 are formed in the isolation chamber 220 of the protection cap 210 formed by combining the first and second caps 410 and 420, The injection needle 152 of the needle cartridge 150 is fixed between the needle cap 250 and the first and second separation plates 440 and 450 and is filled into the protection hole 252 of the needle cap 250 The syringe needle 152 is fixed to the entrance side in the isolation chamber 220 of the protective cap 210 by the adhesive property of the protective agent 500 which is in contact with the protective cap 210. [

Therefore, the injection needle 152 used by the first and second separation plates 440 and 450 in the separation chamber 220 is disposed in a stable state in the protection cap 210, So that the injected needle is not scratched or stuck.

7 is a cross-sectional view of the protection cap according to an embodiment of the present invention. The cutout surface 403 of the first cap 410, which is formed by dividing the protection cap 210, And a cutout surface 403 of the second cap 420 is formed by punching a position hole 370 into which the fixing pin 360 is inserted and the fixing pin 360 and the positioning hole 360 are formed The ribs 380 are formed by thickening the cut surface 403 of the first and second caps 410 and 420.

7, the separation chamber 220 of the protection cap 210 is not separated and the needle cartridge 150 of the disposable syringe is stably isolated.

However, the adhesive band 390 is suitable for stably fixing the incision surface 403 formed in the protective cap 210 composed of the first cap 410 and the second cap 420.

8 shows another structure of the protection cap according to an embodiment of the present invention. In this embodiment, the outer surface of the cut-off surface 403 contacting the first cap 410 and the second cap 420 is an adhesive band The isolation chamber 220 of the protection cap 210 stably isolates the needle cartridge 150 coupled to the body 110 of the scan unit 100 and the protection cap 210 The needle cartridge 150 can not be separated from the isolation chamber 220 of the protection cap 210. In this case,

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

100: scanning section 110: body 112: cylinder
115: nose 117: handle 120: rod
123: head 125: pressure piece 150: needle cartridge
152: injection needle 153: tip 155: coupling cap
200: protection unit 210: protective cap 220:
220a: first isolation chamber 220b: second isolation chamber 230:
250: needle cap 252: protection hole 300:
310: engaging tab 313: engaging jaw 350: fixing groove
360: fixing pin 370: positioning hole 400: opening / closing part
403: incision surface 405: hinge stand 410: first cap
420: second cap 440: first separator plate 442:
450: second separator plate 452: contact groove 500: protective member

Claims (7)

A needle cartridge 150 having a body 110 having a cylinder 112 in which a drug is contained and a needle 152 injected with a drug into a subcutaneous tissue connected to the body 110; A scan unit 100 including a rod 120 installed to be moved back and forth in a cylinder 112 of the cylinder 112 to discharge a drug in the cylinder 112;
A protective cap 210 installed at the tip of the body 110 of the scan unit 100 while covering the needle cartridge 150 and a needle supporting unit 150 for holding the needle 152 of the needle cartridge 150 inside the protective cap 210. [ A protector 200 provided with a needle cap 250 for protecting the needle cap 250;
A coupling frame 310 protruding from the body 110 of the scanning unit 100 and a coupling cap 310 formed inside the entrance of the protection cap 210 covering the tip of the body 110, And an engaging portion (300) serving as a fixing groove (350)
The protection cap 210 may be formed of,
A first cap 410 and a second cap 420 which are divided in a semicircular shape by cutting one side surface of the protection cap 210 in a lateral direction and a second cap 420, (400) having a hinge base (405) opened and closed at one side of the first cap (410) and the second cap (420) while maintaining a connected state; And
The cutout surface 403 is cut so that the first cap 410 and the second cap 420 are mutually abutted to each other to form a cylindrical protective cap 210. The cutout surface 403 is formed with a fixing pin 360, A hole 370 is provided,
The opening / closing part 400,
The first and second separation plates 440 and 450 for removing the needle cartridge 150 are formed in the respective separation chambers 220 of the second cap 420 and the first cap 410 separated into the semi- Wherein the needle cartridge is positioned between the coupling cap of the needle cartridge and the nose of the scan unit to control the needle cartridge.
The method according to claim 1,
The protection cap 210 may be formed of,
A diameter of the needle 100 coupled to the body 110 of the scan unit 100 and a length of the needle cartridge 100 coupled to the scan unit 100 and inserted into and removed from the tip of the body 110 of the scan unit 100 )and;
The needle cap 250 protruding from the inner surface of the isolation chamber 220 opposing the injection needle 152 protected by the protective cap 210 is provided with a protection hole 252 for concealing the tip 153 of the injection needle 152 ) Is provided on the upper surface of the needle bar.
The method according to claim 1,
The engaging portion 300 may be formed,
A hooking protrusion 313 which slants the outer surface of the coupling frame 310 protruding from the outer diameter of the body 110 of the scanning unit 100;
And a fixing groove 350 formed on an inner surface of the inlet of the isolation chamber 220 of the protection cap 210 to receive the inclined protrusion 313 of the body 110,
Wherein the plurality of fixing grooves (350) are formed on the inner surface of the isolation chamber (220).
delete delete The method according to claim 1,
The needle cap (250)
A protective hole 252 formed therein for concealing the tip 153 of the injection needle 152 of the needle cartridge 150;
The protection hole 252 is filled with the adhesive 500 so that the tip end 153 of the injection needle 152 of the injection unit 100 to which the protection cap 210 is attached is adhered to the isolation chamber 220 so that the needle (152) is not released from the needle needle (220).
The method according to claim 1,
The protection cap 210 may be formed of,
Characterized in that the coupling state of the semi-circular first cap (410) and the second cap (420) is formed by an adhesive band (390) adhered to the outer surface of the incision surface (403) A stabbing device.

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