JPH0749056B2 - Used needle processing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a used needle processing apparatus, and more particularly to a used needle processing apparatus for processing and discarding used needles so that they cannot be reused. is there.

[0002]

2. Description of the Related Art Today, in medical institutions such as hospitals, the needle of a syringe is disposed of in order to prevent nosocomial infection. As an injection needle disposal device, for example, the device described in Japanese Utility Model Publication No. 3-35380 is also known. In this device, a syringe with an injection needle attached is fed downward by a feed roller 14 (reference numeral is used in the same publication, hereinafter the same), and then pressed by a compression roller 15 so that it can be easily cut, and then an upper cutting roller. The syringe is cut by 16 and the lower cutting roller 17. Further, the one described in Japanese Utility Model Publication No. 3-45721 is known. In this case, the crushing chamber 1 is divided into a needle crushing chamber 10 and a syringe crushing chamber 10a, and an injection needle and a syringe are separately introduced into the injection needle crushing chamber 10a and the syringe crushing chamber 10 and provided inside thereof. The sheet is fed downward by the feed roller 14 and then pressed by the pressing roller 15 so as to be easily cut, and then the cutting roller 16 cuts the syringe and the injection needle. Furthermore, JP-A 1-2070
The one described in Japanese Patent No. 64 is known. When the used syringe A with the needle A2 attached thereto is inserted into the gear case 2 from the input chute 11, the needle A2 simultaneously contacts the compression gears 1a and 1b, and the voltage applied to the compression gears 1a and 1b causes It is short-circuited and burned out.

[0003]

However, in all of the above-mentioned conventional devices, the syringe body (generally made of glass or plastic) is cut or burned with the injection needle (made of metal) attached to it and disposed of. Therefore, there is a problem in that after the waste treatment is performed, the work of separating the remainder of the injection needle from the remainder of the syringe must be performed. Therefore, an object of the present invention is to provide a treatment device for a used injection needle, which can dispose of the injection needle so that it cannot be reused while the injection needle remains attached to the syringe body.

[0004]

To this end, the present invention is directed to a frame 1 in which a wall 1a is formed with an insertion opening 3 for a used injection needle 2, and the insertion opening accommodated inside the frame 1. A pair of deformed rollers 6 and 7 for bending the used injection needle 2 inserted from 3 and a drive means for rotating these deformed rollers 6 and 7, and the injection needle 2 protruding from the syringe body 4 is inserted as described above. The syringe needle 4 is inserted into the inside of the frame 1 through the mouth 3 and the lower surface of the syringe body 4 is grounded to the wall portion 1a so that the injection needle 2 is positioned between the deformed roller 6 and the deformed roller 7. For arranging the deforming rollers 6 and 7 and securing a gap 10 on the peripheral surface of these deforming rollers 6 and 7 for inserting the injection needle 2 between the deforming rollers 6 and 7. First plane portion a
And a holding part b for holding the injection needle 2 when the injection needle 2 is bent, and a male part 6a for bending the injection needle 2 by pressing it while holding the injection needle 2 with the holding part b. Further, the female portion 7a and the second flat portion c for securing the drop hole 11 through which the injection needle 2 bent by the male portion 6a and the female portion 7a fall are formed.

[0005]

In the above construction, the injection needle 2 is inserted from the insertion port 3 of the frame 1 between the deformed rollers 6 and 7, and the lower surface of the syringe body 4 is grounded to the wall portion 1a of the frame 1. When the deformed rollers 6 and 7 are rotated in that state, the deformed rollers 6 and 7 are rotated while holding the injection needle 2 by the holding portion b and pulling it out from the syringe body 4, and the male portion 6a and the female portion 7 thereof are rotated.
Bend the injection needle 2 so that it cannot be reused with a,
Further, when the deformed rollers 6 and 7 are rotated, the injection needle 2 is bent so that it cannot be reused, the injection needle 2 is completely separated from the syringe main body 4, and falls from between the second flat portions c.

[0006]

Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a sectional view of a used injection needle processing apparatus according to the present invention. 2 (a) (b) (c) and FIGS. 3 (d) (e) show a series of operations of this apparatus in the order of operation. In FIG. 1, reference numeral 1 is a box-shaped frame, and a wall portion 1a thereof is spaced from each other and has a length of 3
Three insertion ports 3 for inserting the used injection needle 2 of the book are formed. Each used injection needle 2 is attached to a large, medium and small syringe body 4. Reference numeral 5 denotes a dust box that is housed in the lower portion of the frame 1 and collects the injection needle 2 after the bending treatment.

Reference numeral R is a large, medium and small bending treatment means for bending the injection needle 2 inserted from each insertion port 3. The bending processing means R is arranged inside each insertion port 3 of the frame 1 while changing its height position according to the size of the injection needle 2.

Each bending processing means R comprises a pair of left and right male deformed rollers 6 and a female deformed roller 7.
A first plane portion a for securing a gap 10 for inserting the injection needle 2 between the deforming rollers 6 and 7 is provided on the peripheral surface of the deforming rollers 6 and 7, and the injection needle 2 when the injection needle 2 is bent. 2. A circumferential holding portion b for holding 2 and a male portion 6a and a female portion 7a provided at the end portion of the holding portion b of the deformed rollers 6, 7 for bending the injection needle 2, and a bent injection A second plane portion c for securing the drop hole 11 (see FIG. 3D) of the needle 2 between the deformed rollers 6 and 7, and a circle for idle rotation for the next bending process of the injection needle 2. Circular idle portions d are formed at the same angle along the rotation direction of each of the deformed rollers 6 and 7. As shown in the figure, each of the deformed rollers 6 and 7 is formed by inserting the injection needle 2 into the frame 1 through the insertion port 3 and grounding the syringe body 4 on the surface of the wall portion 1a. It is arranged so as to be located between 6 and the profiled roller 7.

Reference numeral M denotes three motors as driving means for rotating each bending processing means R. Reference numeral 8 denotes a light emitting portion of the optical sensor, and 9 denotes a light receiving portion, which are arranged on the lower surface of the upper wall 1a near each insertion opening 3 so as to sandwich each insertion opening 3 therebetween. The light emitted from the light emitting unit 8 is received by the light receiving unit 9,
Depending on whether or not this light is shielded, the injection needle 2 is inserted into the insertion port 3
It detects whether or not it has been inserted inside.

The present apparatus has the above-mentioned structure, and its operation will be described below. As shown in FIG. 2A, the injection needle 2 is inserted into the gap 10 from the insertion opening 3 of the frame 1 while the cap 10 is secured between the first flat surface portions a, and the syringe body 4 is inserted. The lower surface of the is grounded to the wall portion 1a as illustrated. Then, the light of the light emitting portion 8 is shielded by the injection needle 2, and the insertion of the injection needle 2 into the frame 1 is detected, whereby the motor M starts driving. Then, the deformed rollers 6 and 7 rotate in the arrow direction, and the steps described below are sequentially performed.

That is, as shown in FIG. 2 (b), both clamping portions b are pressed against each other to clamp the injection needle 2, and at the same time, rotation of both deformed rollers 6 and 7 pulls down the injection needle 2. Is added, the injection needle 2 is pulled out from the syringe body 4, and the injection needle 2 is separated from the syringe body 4. Next, as shown in FIG. 2 (c), the male part 6a and the female part 7a are gradually fitted to each other in this sandwiched state, and the injection needle 2 sandwiched therebetween is inserted.
Is bent, and then, as shown in FIG. 3 (d), the second plane portions c face each other, whereby the injection needle 2 is inserted into the dust box 5 from the drop hole 11 formed between the two deformed rollers 6 and 7. To fall.

Then, as shown in FIG. 3 (e), the idle running portion d is opposed to each other, and the two irregularly shaped rollers 6 and 7 are idled, and
It returns to the original state shown in (a). As described above, according to this processing device, the injection needle 2 can be pulled out from the syringe body 4 and separated, and only the injection needle 2 can be bent so as not to be reused. Then, when the dust box 5 becomes full in FIG. 1, this is pulled out from the inside of the frame 1 and the injection needle 2 inside is discarded.

The present invention is not limited to the above-mentioned embodiment, and for example, a motor is applied as the driving means for the deformed roller, but a driving means such as a hand-turning handle may be used, and the deformed roller is also an embodiment. The shape is not limited. Furthermore, the insertion port for the used injection needle may be formed in the side wall of the frame, and the deformed roller may be placed horizontally.

[0014]

As described above, according to the present invention, the injection needle 2 is inserted into the frame 1 through the insertion opening 3 of the frame 1, and the syringe body 4 is grounded to the wall portion 1a of the frame 1 to form the irregular shape. With the simple operation of rotating the rollers 6 and 7, the injection needle 2 is pulled out from the syringe body 4, and
It can be bent so that it cannot be reused.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a used injection needle processing apparatus according to the present invention.

FIG. 2 is an explanatory view showing a process sequence of the used injection needle processing apparatus according to the present invention.

FIG. 3 is an explanatory view showing a process sequence of the used injection needle processing apparatus according to the present invention.

[Explanation of symbols]

 1 Frame 1a Wall Part 2 Used Injection Needle 3 Insertion Port 4 Syringe Body 6 Deformed Roller 6a Male Part 7 Deformed Roller 7a Female Part M Driving Means a 1st Plane Part b Clamping Part c 2nd Plane Part

Claims (1)

[Claims] 1. An insertion port 3 for a used injection needle 2 in a wall portion 1a.
And a pair of deformed rollers 6 and 7 housed inside the frame 1 for bending the used injection needle 2 inserted from the insertion opening 3 and these deformed rollers 6 and 7. And a driving means for rotating the syringe main body 4, the injection needle 2 projecting from the syringe main body 4 is inserted into the inside of the frame 1 from the insertion port 3, and the lower surface of the syringe main body 4 is grounded to the wall portion 1a. , The deforming rollers 6 and 7 are arranged so that the injection needle 2 is located between the deforming rollers 6 and 7, and the deforming rollers 6 and 7 are disposed.
A first flat surface portion a for securing a gap 10 for inserting the injection needle 2 between the deformed rollers 6 and the deformed roller 7 on the peripheral surface of the injection needle 7, and the injection needle when the injection needle 2 is bent. Two
And a male part 6a and a female part 7a for pressing the injection needle 2 to bend the injection needle 2 while holding the injection needle 2 with the holding part b, and the male part 6a and the female part 6a. A used injection needle processing device, comprising: a second flat surface portion c for securing a drop hole 11 through which the injection needle 2 bent at 7a falls.