JPH06205808A - Disposal equipment for used injection needle - Google Patents

Abstract

PURPOSE:To provide a disposal equipment for a used injection needle by melting the used injection needle by a short-circuit current between electrodes in such a manner that blood remaining in the needle can be sealed inside the needle by closing the tip of the needle during melting. CONSTITUTION:A used injection needle C inserted from an injection needle inlet touches a first electrode 15 and a second electrode 22, and a short-circuit current is applied between these electrodes for melting the needle in this disposal equipment for used injection needle. The second electrode 22 is made of a cylindrical electrode 22a fitted to the outer surface of an insulated rotating body 24 which is rotated by a motor; the tip of the needle of the injection needle C is closed by a flow of melted chip due to the rotation of the cylindrical electrode 22a; a current-carrying plate 25 and a scraper 26 for scratching off the melted chips are elastically connected to the exterior surface of the cylindrical electrode 22a; and the melted chip of the injection needle C stuck to the cylindrical electrode 22a is scratched off with the scraper 26 and dropped to a storage for storage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a used injection needle processing device for safely dissolving a used injection needle.

[0002]

2. Description of the Related Art Conventionally, a used injection needle inserted from an injection needle insertion port comes into contact with a first electrode and a second electrode, and is melted by a short circuit current between the two electrodes.
A used injection needle processing device disclosed in Japanese Patent No. 22828 is known.

[0003]

In the conventional treatment device for the used injection needle, the used injection needle can be dissolved by the short circuit current between the first and second electrodes. The tip of the injection needle cannot be closed so that the blood in the needle tube can be contained in the needle tube, the molten debris of the injection needle adheres to the second electrode, and its removal work is troublesome. The insertion contact of the injection needle with respect to the electrode and the second electrode becomes uncertain, and there is a problem that injection needles having different thicknesses cannot be processed.

The present invention has been made to solve the above-mentioned conventional problems. A first object of the present invention is to occlude the needle tip at the time of dissolution of a used injection needle so that blood in the needle tube can be contained in the needle tube. An object of the present invention is to provide a used injection needle processing device capable of processing.

A second object of the present invention is to scrape off the scraper (self-cleaning function) by rotating the cylindrical electrode even if the molten debris of the injection needle adheres to the second electrode (cylindrical electrode). It is an object of the present invention to provide a processing device for a used injection needle, which can easily remove the electrode-adhered waste.

Further, the third object of the present invention is to achieve the above first and second objects, while ensuring the insertion contact of the injection needle to the first electrode and the second electrode, and having different thickness. It is an object of the present invention to provide a used injection needle processing device capable of safely processing even an injection needle.

[0007]

[Means for Solving the Problems] The means for achieving the first object (hereinafter referred to as the first invention) is such that a used injection needle C inserted from an injection needle insertion port 3 has a first electrode 15 and In a used injection needle processing device which is brought into contact with the second electrode 22 and is melted by a short circuit current between the both electrodes, an insulating rotor 2 in which the second electrode 22 is rotated by a motor.
It is characterized in that it is formed by a cylindrical electrode 22a fitted on the outer circumference of the needle 4, and the tip of the needle tube of the injection needle C is closed by the flow of debris due to the rotation of the cylindrical electrode 22a.

A means for achieving the second object (hereinafter, referred to as a second invention) is a cylindrical electrode 22a in which the second electrode 22 is externally fitted to an insulating rotary member 24 which is rotated by a motor.
And the energizing plate 25 is formed on the outer peripheral surface of the cylindrical electrode 22a.
And a scraper 26 for scraping off the debris is elastically contacted so that the debris of the injection needle C adhering to the cylindrical electrode 22a is scraped off by the scraper 26 and dropped into the waste storage box 7 for storage. To do.

A means for achieving the third object (hereinafter, referred to as a third invention) is a closing direction in which the first electrode 15 is opened by inserting the injection needle C and closed by removing the injection needle C. The second electrode 2 is composed of a pair of movable electrode plates 15a and 15b biased by springs 18 and 19.
2 is formed by a cylindrical electrode 22a externally fitted to an insulating rotating body 24 that is rotated by a motor, and a current carrying plate 25 and a scraper 26 for scraping off scraps are elastically contacted to the outer peripheral surface of this cylindrical electrode 22a. And

[0010]

In the treatment device for the used injection needle according to the first aspect of the present invention, when the used injection needle C is inserted from the injection needle insertion port 3, the injection needle C causes the first electrode 15 and the second electrode 22 (cylindrical electrode) to be inserted. 22a) and is melted by a short circuit current between both electrodes, but at the time of melting, the cylindrical electrode 22a is rotated in one direction by the operation of the motor 23, so that the rotation of the cylindrical electrode 22a causes the injection needle C to rotate. A flow in the direction of electrode rotation is generated in the melted waste, and the tip of the needle tube of the injection needle C can be blocked by the coagulation of the flow of the waste particle when the needle is released so that the blood in the needle tube can be contained in the needle tube.

In the used injection needle processing apparatus according to the second aspect of the present invention, when the used injection needle C is inserted from the injection needle insertion port 3, the injection needle C causes the first electrode 15 and the second electrode 22 (cylindrical electrode). 22a) and is melted by a short-circuit current between the two electrodes. At the time of melting, the cylindrical electrode 22a rotates in one direction by the operation of the motor 23 and scrapes off the dust on the outer peripheral surface of the rotating electrode 22a. Since the scraper 26 is elastically contacted, even if the molten debris of the injection needle C adheres to the cylindrical electrode 22a which is the second electrode 22, the scraper 26 is scraped by the rotation of the cylindrical electrode (self-cleaning). The action) makes it possible to easily remove the electrode-attached molten waste and drop it into the waste storage box 7. In the used needle disposing apparatus according to the third aspect of the present invention, the pair of first and second electrodes 15 is biased by springs 18 and 19 in a closing direction in which the first electrode 15 is opened by inserting the needle C and is closed by detaching the needle C. Since it is composed of the movable electrode plates 15a and 15b, the injection needle C and the first electrode 15 (the movable electrode plate 15) can be simply inserted by inserting the injection needle C between the closed ends of the movable electrode plates 15a and 15b.
a, 15b) and the second electrode 22 (cylindrical electrode 22a) can be brought into contact with each other easily and surely, and it becomes possible to safely process even injection needles having different thicknesses.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be specifically described below with reference to the drawings.

In the figure, reference numeral 1 is a box-shaped casing in which a used needle insertion port 3 into which a used injection needle C is inserted from above is provided in a front sloped portion 2 of the upper wall, as shown in FIGS.
Is composed of a lower case 1a and an upper case 1b, and inside thereof is a dissolving unit 5 located below the injection needle insertion port 3.
A transformer 6 for lowering the 100 V AC power supply to a voltage of 6 V and a pull-out type waste storage box 7 located below the melting unit 5 are provided. 2, reference numeral 8 is a power switch, 9 is a ready lamp for checking the temperature rise of the transformer 6, and 10 is a cord holder. Figure 3
5 to 5 are explanatory views of the structure of the melting unit 5, and the melting unit 5 is configured as follows.

That is, the melting unit 5 closes an apparatus casing 12 made of sheet metal fixed to the case interior frame 11 with a forward tilt angle of about 20 degrees as shown in FIG. 1, and an upper opening of the apparatus casing 12. A synthetic resin upper surface base 13 is provided, and a window hole 14 corresponding to the position of the injection needle insertion port 3 of the casing 1 is provided in the upper surface base 13, and a needle tube intermediate portion of the injection needle C is provided on the window hole 14. The 1st electrode 15 which contacts is arrange | positioned, and the 2nd electrode 22 which the needle tip part of the injection needle C contacts is arrange | positioned under the said window hole 14. The first electrode 15
Is composed of a pair of movable electrode plates 15a and 15b which are opened by inserting the injection needle C and closed by removing the injection needle C.

The movable electrode plates 15a and 15b are formed with rounded portions at the butt ends that are closed at the position of the base window hole 14 so that they can be opened and closed by inserting the injection needle C and are closed. The conductive guide plates 16 and 17 fixed on the upper surface base 13 of 12 hold it openably and closably,
The bases 13 are biased in the closing direction by torsion springs 18 and 19 located in the cutouts 13a and 13b.

The conductive guide plate 16 has terminals 16a.
The terminal 16a and the transformer 6 are electrically connected by a lead wire so that a voltage of 6V is applied to the electrode plates 15a and 15b. Reference numeral 20 is a spark scattering prevention plate having an elliptical hole 21 into which the injection needle C is loosely inserted, and is screwed onto the guide plates 16 and 17 integrally with the guide plates.

The second electrode 22 is formed of a cylindrical electrode 22a externally fitted and fixed to an insulating rotator 24 rotated by a motor 23. The outer peripheral surface of the cylindrical electrode 22a is used for scraping off a current carrying plate 25 and scraps. The scraper 26 is elastically contacted, and the scraps (not shown) of the injection needle adhering to the cylindrical electrode 22a are scraped off by the scraper 26 and are dropped and stored in the scrap storage box 7 shown in FIG. There is.

The rotary body 24 is located inside the apparatus casing 12, and has one end pivot pin 27 and the rotary shaft 23 of the motor 23.
a is rotatably supported as shown in FIG.
It is rotated at a speed of 30 rotations per minute by the operation of 3.

The energizing plate 25 and the scraper 26 are arranged on both sides of the cylindrical electrode 22a so as to be movable in the direction of the cylindrical electrode 22a by an insulating holder 28 made of synthetic resin attached to the inner bottom of the apparatus casing 12. It is held as shown in FIG. The energizing plate 25 and the scraper 26 are brought into tip contact (elastic contact) with the outer peripheral surface of the cylindrical electrode 22a by a tension spring 29 stretched between the insulating screw connector 30 of the scraper and the energizing plate 25. Being energized.

The energizing plate 25 has a terminal 25a. The terminal 25a and the transformer 6 are electrically connected by a lead wire, and a voltage of 6V is applied to the cylindrical electrode 22a which is the second electrode 22. The tip of the injection needle C follows the needle insertion operation and is sequentially dissolved by a short circuit current through the injection needle C between the electrode 22a and the first electrode 15 (movable electrode plates 15a, 15b).

[0021]

The processing device for a used injection needle according to the present invention has the following effects because it has the structure described in the claims.

That is, in the used injection needle processing apparatus according to the first aspect of the present invention, when the used injection needle C is inserted from the injection needle insertion port 3, the injection needle C causes the first electrode 15 and the second electrode 22.
It contacts the (cylindrical electrode 22a) and is melted by a short-circuit current between these electrodes, but since the cylindrical electrode 22a is rotated in one direction by the operation of the motor 23 when the injection needle C is melted, this cylindrical electrode The rotation of 22a causes a flow in the electrode rotation direction of the molten debris of the injection needle C, so that the blood in the needle tube is confined at the tip of the needle tube of the injection needle C due to the coagulation of this debris flow when the needle is detached. Can be occluded.

In the used injection needle processing apparatus according to the second aspect of the present invention, when the injection needle C is melted, the cylindrical electrode 22a is driven by the motor 23.
The scraper 26 for scraping off the scraps is elastically contacted with the outer peripheral surface of the rotary electrode 22a by the operation of, and thus the melted scraps of the injection needle C are the second electrode 22. Even if it adheres to the electrode 22a, the scraps of the scraper 26 (self-cleaning effect) caused by the rotation of the cylindrical electrode 22a can easily remove the electrode-attached debris and drop it into the debris storage box 7.

In the used injection needle processing device according to the third aspect of the invention, the first electrode 15 is opened by the insertion of the injection needle C and closed by the detachment of the injection needle C, in the closing direction.
Since it is composed of a pair of movable electrode plates 15a and 15b that are urged by 19, the injection needle C and the first needle C and the first electrode can be simply inserted by inserting the injection needle C between the closed ends of the movable electrode plates 15a and 15b.
Electrode 15 (movable electrode plates 15a, 15b) and second electrode 2
The 2 (cylindrical electrode 22a) can be brought into contact with each other easily and reliably, and it becomes possible to safely process even injection needles having different thicknesses.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part of the entire device showing a used needle processing device according to an embodiment of the present invention.

FIG. 2 is a plan view of FIG. 1 seen from above.

FIG. 3 is a plan view showing an injection needle dissolving unit installed in the processing apparatus.

FIG. 4 is a sectional view taken along the line AA of FIG.

5 is a sectional view taken along the line BB of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Casing, C ... Used injection needle, 3 ... Injection needle insertion port, 5 ... Injection needle dissolving unit, 6 ... Transformer, 7 ... Waste storage box, 12 ... Device housing, 13 ... Device housing upper surface base, 14 ... Window hole, 15 ... First electrode, 15a, 15b ... Movable electrode plate constituting first electrode, 16, 17 ... Conductive guide plate, 18, 19 ... Torsion spring, 20 ... Spark scattering prevention plate, 2
2 ... 2nd electrode, 22a ... Cylindrical electrode, 23 ... Motor, 24
... Insulating rotator, 25 ... Conductive plate, 26 ... Scraper.

Claims (3)

[Claims] 1. A treatment device for a used injection needle, wherein a used injection needle inserted from an injection needle insertion port comes into contact with a first electrode and a second electrode and is melted by a short circuit current between the two electrodes. In the second aspect, the second electrode is formed by a cylindrical electrode externally fitted to an insulating rotary body that is rotated by a motor, and the tip of the needle tube of the injection needle is blocked by the flow of dust caused by the rotation of the cylindrical electrode. Used needle processing equipment. 2. A treatment device for a used injection needle, wherein a used injection needle inserted through an injection needle insertion port comes into contact with a first electrode and a second electrode and is melted by a short circuit current between the two electrodes. In the above, the second electrode is formed by a cylindrical electrode externally fitted to an insulating rotating body that is rotated by a motor, and the current-carrying plate and scraper for scraping scraps are elastically contacted to the outer peripheral surface of the cylindrical electrode to form the cylindrical electrode. A treatment device for a used injection needle, wherein scraps of an injection needle adhering to are scraped off by the scraper and dropped into a waste storage box for storage. 3. A treatment device for a used injection needle, wherein a used injection needle inserted through an injection needle insertion port comes into contact with a first electrode and a second electrode and is melted by a short circuit current between the two electrodes. In the above, the first electrode is constituted by a pair of movable electrode plates which are spring-biased in a closing direction to be opened by insertion of an injection needle and closed by detachment of the injection needle, and the second electrode is rotated by a motor. A treatment device for a used injection needle, which is formed by a cylindrical electrode externally fitted to the body, and an electric current plate and a scraper for scraping scraps are elastically contacted to the outer peripheral surface of the cylindrical electrode.