KR101599265B1

KR101599265B1 - Single-use features equipped with a disposable syringe needle

Info

Publication number: KR101599265B1
Application number: KR1020140043725A
Authority: KR
Inventors: 최규동; 노욱래
Original assignee: 최규동; 노욱래
Priority date: 2014-04-11
Filing date: 2014-04-11
Publication date: 2016-03-03
Also published as: KR20150117931A

Abstract

And a flat portion 110 formed in a plane at an inner center thereof is provided at an upper center of the plane portion 110, A lower housing 100 provided with a needle supporting part 120 protruding and formed thereon and having a needle part 130 connected to the needle supporting part 120 and a lower housing 100 provided at an outer side of the needle supporting part 120 A rotating body 300 movably connected to an upper portion of the elastic member 200 and having a central opening so that the needle supporting portion 120 and the needle portion 130 can be drawn in, And an upper housing 400 coupled to the outer periphery of the rotating body 300 to be connected to an upper portion of the lower housing 100. The rotating body 300 is moved downward And does not descend again after ascending.
As described above, according to the present invention, when the rotating body formed to enclose the needle portion is pressed, it can be simply configured so as not to fall again due to the fixing protrusion after being lowered and raised by the elastic force, There is an advantage that the needle part is not exposed to the outside and can not be reused after use.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a disposable syringe needle having a re-

And a flat portion 110 formed in a plane at an inner center thereof is provided at an upper center of the plane portion 110, A lower housing 100 provided with a needle supporting part 120 protruding and formed thereon and having a needle part 130 connected to the needle supporting part 120 and a lower housing 100 provided at an outer side of the needle supporting part 120 A rotating body 300 movably connected to an upper portion of the elastic member 200 and having a central opening so that the needle supporting portion 120 and the needle portion 130 can be drawn in, And an upper housing 400 coupled to the outer periphery of the rotating body 300 to be connected to an upper portion of the lower housing 100. The rotating body 300 is moved downward And is configured so as not to descend again after ascending. To a disposable syringe needle (1).

Generally, syringes used in hospitals to administer medication to patients are usually disposable and disposable as infectious waste that is susceptible to infection upon reuse.

Such a disposable syringe is used for discharging medication through a needle provided at the tip of the outer tube by using a push rod provided in a cylindrical shape to inject or inject the drug into the receptacle by moving up and down in the receptacle for storing the drug by making a vacuum state. And after being used, it is safely disposed of.

However, the disposable syringe has a problem in that when the needle is exposed to the outside after use, the blood of the patient stuck on the tip of the needle may be infected by the third person if the third person is careless.

In order to solve such a problem, a disposable safety syringe (Korean Patent Publication No. 10-006703) of Patent Document 1 of the following Patent Document 1 has a space in its interior and a cylinder formed in a stepped- A piston is inserted into the space in the cylinder so as to be movable in the forward and backward directions along the longitudinal direction of the cylinder while the front and rear of the piston are moved in the airtight contact with the concurrent cylinder, And an injection needle fixing member having a needle fixed to a front end of the needle is fixed to an outer exposed portion on the front side of the adapter tube so as to provide a suction force, In the inner diameter portion, the adapter tube is inserted from the rear side to the front side through the hollow portion in the cylinder, A tapered pushing piece is formed in the front end of the plunger so as to be linearly formed and a remaining portion of the plunger is tapered so that the diameter gradually becomes smaller toward the front side from the rear side to push the plunger fitted into the cylinder toward the front side The pressure piece is inserted into the inner diameter portion of the adapter tube at any moment to move the adapter tube so as to apply an eccentric pressure to the adapter tube and a plurality of fitting protrusions are formed at the inner diameter end of the adapter tube along the outer diameter of the pressing piece, Wherein the fitting protrusion is inserted into a fitting groove formed in the adapter tube in a state where the push rod is fully moved by pushing the push rod toward the front side, wherein a gasket in the form of a tube is fitted to the back side of the outer diameter portion of the adapter tube, With the adapter tube inserted into the neck A plurality of protruding pieces are formed on the outer circumferential portion of a portion of the adapter tube to which the needle pin fixing member is to be coupled so as to be surrounded by the circumferential direction so as to surround the adapter tube and the cylinder, The injection needle is inserted into the space of the cylinder after the injection so that the injection needle is not exposed to the outside, and the injection needle is not exposed to the outside It was possible to block the user, the patient, and the operator handling waste syringes from being stuck on the needle.

However, the above-described patent document 1 " Disposable safety syringe " solves the problem that the blood of a patient exposed to the outside after the use of the disposable syringe is exposed to the outside may infect a third person. However, And then pushing the plunger repeatedly in a direction orthogonal to the forward and backward directions to cut the cut groove and cut the plunger outside the cylinder after the plunger is cut So that the injection needle inserted into the space in the cylinder is prevented from escaping to the outside by inserting the injection needle through the injection liquid discharging part from the first side so that the part is inwardly in the inside of the cylinder so as not to provide convenience and efficiency to the user.

Patent Document 1: Korean Patent Publication No. 10-006703

SUMMARY OF THE INVENTION The present invention has been conceived to solve the above-mentioned problems, and it is an object of the present invention to provide a method and a device for constructing a needle bar by simply pressing down a rotating body formed to enclose a needle part so as not to fall again due to a fixing protrusion after being lowered and raised by an elastic force, The disposable syringe needle is provided with a reuse prevention function in which the needle part is not exposed to the outside and can not be reused after using the syringe without a separate needle protection cap.

In addition, a use confirmation hole is further formed in the upper housing so as to judge whether the needle of the syringe is used from the outside, so that it is possible to easily recognize whether or not the syringe needle used is a disposable To provide a syringe needle.

In order to solve the above problems, the disposable syringe needle 1 having the reuse prevention function according to the present invention is connected to the contents discharging portion 11 of the syringe body 10, And a planar portion 110 formed in a plane at an inner center of the planar portion 110. The planar portion 110 has a needle support portion 120 protruding from the upper center of the planar portion 110. The needle portion 120 is connected to the needle support portion 120, An elastic member 200 installed at an outer side of the needle support 120 and a lower housing 100 movably connected to an upper portion of the elastic member 200, A rotating body 300 formed to penetrate the needle housing unit 120 and the needle unit 130 so that the needle supporting unit 120 and the needle unit 130 can be drawn in; And an upper housing 400 connected to the rotating body 300, After the fall and rise of one is characterized in that it is configured not to be re-descent.

The rotating body 300 is connected to the first moving body 310 moved in the vertical direction and the inside of the first moving body 310 through the lower portion of the first moving body 310, The second moving body 320 is formed to be rotatable in accordance with the movement of the first moving body 310 and the upper portion of the second moving body 320 is positioned inside the upper portion of the first moving body 310 .

One or more guide protrusions 311 are further formed on the outer circumference of the first moving body 310 and one or more fixing protrusions 321 are formed on the outer circumference of the second moving body 320, At least one rotation guide part 111 for rotating the second moving body 320 in cooperation with the fixing protrusion 321 when the second moving body 320 descends is formed on the upper part of the first moving body 320, A vertical guide groove 410 formed at an inner circumference of the upper housing 400 along the longitudinal direction to interlock with the guide protrusion 311 to move the first moving body 310 upward and downward, And a fixing protrusion moving groove 420 formed at least one side of the second moving body 320 for moving the second moving body 320 in cooperation with the fixing protrusion moving groove 420.

The upper end of the rotation guide portion 111 is formed as an inclined surface 111a so that the fixing protrusion 321 moves along the inclined surface 111a when the second moving body 320 is lowered, And the fixing protrusion moving groove 420 is configured to rotate in a downward direction to guide the fixing protrusion 321 in the downward direction and to rotate the fixing protrusion 321 in the upward direction And a rising section 420b for guiding the movement of the first moving body 310 and the second moving body 320 to the first moving body 310 and the second moving body 320 by supporting the fixing protrusion 321 at the distal end of the rising section 420b. And a limiting jaw 421 for limiting the downward movement is further formed.

An O-ring-shaped lubrication member 210 is further formed between the elastic member 200 and the second moving body 320. The inner circumferential surface of the upper housing 400, which is perpendicular to the limiting jaw 421, And a use confirmation hole (430) formed in the periphery is further formed.

According to the present invention, when the rotating body formed to enclose the needle portion is pressed, the needle portion can be easily lifted and lowered by the elastic force and then prevented from falling again due to the fixing protrusion. And it is impossible to reuse it.

Further, there is an advantage that it is possible to easily determine whether the syringe needle is used by forming a use confirmation hole in the upper housing so as to judge whether or not the syringe needle is used from the outside with the naked eye.

1 is an exploded perspective view showing a disassembled state of a disposable syringe needle having a reuse prevention function according to a preferred embodiment of the present invention.
2 is a cross-sectional view showing a cross section of a disposable syringe needle equipped with a reuse prevention function according to a preferred embodiment of the present invention
[0001] The present invention relates to a disposable syringe needle having a reuse prevention function, and more particularly, to a disposable syringe needle having a reuse preventive function according to a preferred embodiment of the present invention, (B) A diagram showing the figure
FIG. 4 is a state view showing positions of components before the disposable syringe needle having a reuse prevention function according to a preferred embodiment of the present invention
FIG. 5 is a view showing the position of the components when the rotator of the disposable syringe needle having the reuse prevention function according to the preferred embodiment of the present invention is lowered
6 is a state view showing the positions of the components when the rotator of the disposable syringe needle equipped with the reuse prevention function according to the preferred embodiment of the present invention is lifted
FIG. 7 is a perspective view showing a disposable syringe needle having a reuse prevention function according to a preferred embodiment of the present invention coupled to a syringe body. FIG.

Hereinafter, a disposable syringe needle having a reuse prevention function according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. First, it should be noted that, in the drawings, the same components or parts are denoted by the same reference numerals whenever possible. In describing the present invention, a detailed description of known functions and configurations incorporated herein will be omitted so as to avoid obscuring the subject matter of the present invention.

As shown in FIG. 1, the disposable syringe needle 1 equipped with the reuse prevention function is mainly composed of the lower housing 100, the elastic member 200, the rotating body 300, and the upper housing 400.

First, the lower housing 100 will be described. 1, 2, or 7, the lower housing 100 is opened at its upper and lower portions and the lower portion of the lower housing 100 is connected to a syringe body 10, which is formed by a general disposable syringe or a drug injector ampoule syringe, It is possible to engage with the contents discharging portion 11 of the apparatus.

As shown in FIG. 7, when the contents discharging unit 11 is configured to be screwable, a connecting thread 101 may be formed under the lower housing 100.

1, 2, or 7, a planar portion 110 formed in a plane is formed at an inner center of the lower housing 100, and protruded and formed at the center of an upper end of the planar portion 110 And a needle unit 130 formed to penetrate the needle support unit 120 and to discharge the contents of the syringe body 10 to the outside.

In this case, it is preferable that the needle part 130 is formed so as to be further exposed to the outside from the needle supporting part 120 as shown in FIG. 1 or FIG.

1 or 3, at least one rotation guide part 111 protruding from the rotation guide part 111 is formed on the upper surface of the flat surface part 110. The rotation guide part 111 includes a rotation guide part 111, When the entire body 300 comes into contact with the fixing protrusion 321, which will be described later, when the whole body 300 moves in the downward direction, the second body 320 serves to guide the second body 320 to rotate.

In this case, the upper end of the rotation guide part 111 may be inclined as shown in FIG. 1 or 2 so that the second moving body 320 can be rotated by the rotation guide part 111 .

Next, the elastic member 200 will be described. 1 and 2, the elastic member 200 is a component installed at the outer side of the needle support 120, and serves to guide elasticity recovery of the rotary body 300. As shown in FIG.

1 or 2, an O-ring-shaped lubrication member 210 is inserted between the elastic member 200 and the second moving body 320 to rotate the second moving body 320 The second moving body 320 can smoothly rotate regardless of the pressing force of the elastic member 200.

Next, the rotating body 300 will be described. The rotating body 300 is movably connected to the upper portion of the elastic member 200 as shown in FIG. 1 or 3, and is configured so as not to be re-lowered once after being lowered and raised. The first moving body 310 is moved in the vertical direction and the lower side of the first moving body 310 is connected to the inside of the first moving body 310 to be connected to the first moving body 310, And a second movable body 320 provided rotatably.

In this case, as shown in FIG. 2, the second moving body 320 is formed such that the upper portion of the second moving body 320 is located inside the upper portion of the first moving body 310.

1 or 3, the first moving body 310 is inserted into a vertical guide groove 410 to be described later so that the first moving body 310 can move upward and downward It is possible to form one or more guide projections 311 for guiding.

1 or 3, the second moving body 320 is inserted into the fixing protrusion moving groove 420 to be described later, so that the fixing protrusion moving groove 420 (420) It is possible to form one or more fixing protrusions 321 for guiding the movable protrusions 321 to move along the guide protrusions 321.

The structure of the guide protrusion 311 and the fixing protrusion 321 can form a structure in which the rotating body 300 is lowered once and then is not lowered again.

On the other hand, the rotating body 300 is formed using a transparent material so that the position of the needle part 130 can be visually confirmed at the time of use.

Next, the upper housing 400 will be described. 1 or 2, the upper housing 400 is connected to the upper portion of the lower housing 100 and is coupled to the outer periphery of the rotating body 300. The upper housing 400 A vertical guide groove 410 interlocked with the guide protrusion 311 and formed at least one along the length direction so as to move the first moving body 310 up and down in the upward and downward directions, 321 and the fixed body moving groove 420 are formed so as to move the second moving body 320 together.

2, the fixing protrusion moving groove 420 includes a downward section 420a for guiding the downward movement of the fixing protrusion 321 and a downward movement section 420b for moving the fixing protrusion 321 in the upward direction And a rising section 420b for guiding the guide sections 420a and 420b.

1 or 2, the fixing protrusion 321 is supported at the distal end of the ascending section 420b to limit the downward movement of the first moving body 310 and the second moving body 320, It is possible to prevent the rotating body 300 from descending again after the rotor 300 is lowered and then raised.

As shown in FIG. 1 or FIG. 2, a use confirmation hole 430 is formed in the inner periphery of the upper housing 400, which is perpendicular to the restriction tab 421, It is possible to judge whether or not the disposable syringe needle 1 equipped with the reuse prevention function is used visually through the opening 430.

In this case, the fixing protrusions 321 are formed in different colors distinctly different from other components, so that it is possible to more easily determine whether or not the disposable syringe needles 1 equipped with the reuse prevention function are used .

Hereinafter, a preferred embodiment of the present invention will be described with reference to FIGS. 4 to 6. FIG.

4 is a perspective view showing a state before the disposable syringe needle 1 having the reuse prevention function is used and a developed view in which the inner side of the upper housing 400 is developed on a plane.

4, before the disposable syringe needle 1 having the reuse prevention function is used, the needle part 130 is wrapped inside the rotating body 300, It is possible to prevent contamination or damage.

In this state, the guide protrusion 311 is positioned above the vertical guide groove 410, and the fixing protrusion 321 is positioned above the lowering section 420a.

5, when the rotating body 300 is depressed, the needle unit 130 is exposed to the outside and passes through the skin of the patient to move the contents in the syringe body (not shown) into the patient's body .

In this case, the guide protrusion 311 moves from the upper portion to the lower portion along the vertical guide groove 410, and the fixing protrusion 321 moves from the upper portion to the lower portion along the lowering portion 420a At this time, the fixing protrusion 321 comes into contact with the inclined surface 111a of the rotation guide part 111 interlocked with the lower part of the descending section 420a.

Here, when the rotating body 300 is pushed to the end, the fixing protrusion 321 is smoothly moved from the tip end to the bottom end of the inclined surface 111a, thereby rotating the second moving body 320, The fixing protrusion 321 is positioned below the rising section 420b.

Since the upper part of the second moving body 320 is located on the inner side of the upper side of the first moving body 310, only the upper part of the first moving body 310 is contacted with the affected part of the patient, 320 do not come into direct contact with the affected part and smoothly rotate.

6, when the force applied to the rotating body 300 is removed, the needle portion 130 is again wrapped inside the rotating body 300. As shown in FIG.

In this case, the guide protrusion 311 is retracted from the lower portion along the vertical guide groove 410, and the fixing protrusion 321 moves upward from the lower portion of the rising section 420b. At this time, the fixing protrusion 321 is finally positioned in the restriction protrusion 421 formed at the distal end of the rising section 420b. Since the fixing protrusion 421 is prevented from being lowered by the restriction protrusion 421 , It becomes impossible to reuse the disposable syringe needle 1 equipped with the reuse prevention function.

Optimal embodiments have been disclosed in the drawings and specification. Although specific terms have been employed herein, they are used for purposes of illustration only and are not intended to limit the scope of the invention as defined in the claims or the claims. Therefore, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

1: Disposable syringe needle with reuse prevention function
10: syringe body 11: contents dispensing part
100: lower housing 101: connecting thread
110: plane portion 111: rotation guide portion
111a: inclined surface 120: needle support
130:
200: elastic member 210: lubrication member
300: rotating body
310: first movable body 311: guide projection
320: Second moving body 321: Fixing projection
400: upper housing
410: vertical guide groove 420: fixing projection moving groove
420a: descending section 420b: ascending section
421: Limit chin 430: Use check ball

Claims

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And a flat portion 110 formed in a plane at an inner center thereof is provided at an upper center of the plane portion 110, A lower housing 100 having a needle supporting part 120 formed to be protruded and having a needle part 130 connected to the needle supporting part 120;
An elastic member 200 installed at an outer side of the needle support 120;
A rotating body 300 movably connected to the upper portion of the elastic member 200 and having a center hole to allow the needle supporting unit 120 and the needle unit 130 to be drawn in;
And an upper housing 400 coupled to the outer circumference of the rotating body 300 and connected to an upper portion of the lower housing 100,
And the rotating body (300) is configured not to be lowered again after one lowering and elevating,
The rotating body (300)
A first moving body 310 moved in a vertical direction,
And a second moving body 320 connected to the inside of the first moving body 310 through a lower portion of the first moving body 310 and rotatably connected to the first moving body 310,
The disposable syringe needle (1) according to claim 1, wherein the upper portion of the second moving body (320) is positioned inside the upper portion of the first moving body (310).

The method according to claim 2,
At least one guide protrusion 311 is formed on the outer circumference of the first moving body 310,
At least one fixing protrusion 321 is formed on the outer circumference of the second moving body 320,
One or more rotation guide parts 111 for rotating the second moving body 320 in cooperation with the fixing protrusions 321 when the second moving body 320 is lowered are formed on the upper part of the plane part 110 ,
A vertical guide groove 410 is formed on the inner circumference of the upper housing 400 along the longitudinal direction to interlock with the guide protrusion 311 to move the first moving body 310 up and down, Wherein the second moving body (320) is interlocked with the second moving body (321) to move the second moving body (320).

The method of claim 3,
The upper end of the rotation guide part 111 is formed as an inclined surface 111a and the fixing protrusion 321 moves along the inclined surface 111a when the second moving body 320 is lowered, Is rotated,
The fixing protrusion moving groove 420 includes a lowering section 420a for guiding the fixing protrusion 321 to move downward and a rising section 420a for guiding the upward movement of the fixing protrusion 321 420b,
A limiting jaw 421 for supporting the fixing protrusion 321 and limiting the downward movement of the first moving body 310 and the second moving body 320 is further formed at the distal end of the rising section 420b (1). &Lt; / RTI >

The method according to claim 4,
An O-ring-shaped lubrication member 210 is further formed between the elastic member 200 and the second moving body 320,
The disposable syringe needle (1) according to any one of the preceding claims, further comprising a use confirmation hole (430) formed through the inner circumference of the upper housing (400) perpendicular to the restriction tab (421) .