JPH069638Y2 - Needle removal device for used injection device - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a needle removing device for a used injection device, which is used for removing the injection needle from the injection device without directly touching the used injection needle. .

[0002]

2. Description of the Related Art When removing an injection needle from a used injection device, touching it directly with a hand may cause a secondary infection of a disease. However, it is very troublesome. Therefore, as shown in FIG. 5, in the center of the end plate b of the container a, a hole c into which the tip of the syringe is inserted and a squeezing hole d for squeezing the needle base are provided in series. It has been devised and used that after inserting it into the container, it is moved to the ironing hole d, and the syringe is pulled down into the container by pulling the syringe while holding the container a.

[0003]

However, in the conventional needle remover for used injection devices described above, the tip of the syringe held by one hand is first inserted into the hole c of the container a and then moved to the ironing hole d. Then, the syringe needle must be drawn into the container by pulling the syringe while holding the container a with the other hand, so both hands must be used,
It cannot be easily removed with one touch, and if the injection needle is tightly fitted, you must pull the syringe with a strong force.In this case, the syringe will be shaken with the pulling force. The remaining medicinal solution and blood may be scattered around, which is not convenient. The present invention is a needle removing device for a used injection device in which the syringe is held with one hand, the tip of the syringe is inserted into the hole, and is pressed as it is, so that the needle can be removed easily and with one touch by the pressing force. Is intended to provide.

[0004]

In order to achieve the above-mentioned object, the present invention vertically slides against the spring on the end plate of the removal needle container in which one end plate has a hole for dropping. A slide cap holder holding a vertical slide cap is capped and fixed, and a syringe tip insertion hole facing the needle drop hole of the end plate is opened in the center of the top plate of the vertical slide cap, and On the back surface of the plate, a needle removal slider consisting of a nail-shaped bifurcated wedge hole is horizontally slidably supported so that the center of the bifurcation passes through the center of the syringe tip insertion hole, and resists the spring of the vertical slide cap. It is provided with a means for converting the vertical movement of the needle into a horizontal movement and transmitting it to the needle removing slider.

[0005]

The needle removing device for the used injection device constructed as described above is constructed such that the tip of the syringe with the needle is inserted into the syringe wire end insertion hole, and the cylinder end of the syringe is inserted into the vertical slide cap. The vertical slide cap is pushed down against the spring when it comes into contact with and pushes against the surface of the needle, and this movement causes the needle removal slider to slide horizontally.
The claw-shaped bifurcated wedge hole portion forming the needle removal slider enters the injection needle fitting end surface portion of the tip of the syringe and applies a force in the removal direction to the end surface to remove the injection needle, To fall into the removal needle storage container.

[0006]

【Example】

1 is a partially cutaway front view of an embodiment of the present invention, FIG. 2 is a plan view, FIG. 3 is an explanatory view for explaining a cross section of a needle removal slider and a needle removal state, and FIG. 4 is a plan view of a needle removal slider. As is clear from these figures, a removal needle accommodating container 3 having a drop hole 2 formed in an end plate 1, and a vertical slide guide on the outer periphery of a container cap 4 capped by the container 3. A needle drop guide tube 6 opened to communicate with the drop hole 2 is formed at the center of the work tube 5 and the vertical slide guide tube 5 is formed.
A slide cap holder 9 having a spring support portion 7 and a pull link support portion 8 formed on the inner periphery thereof, and an insertion hole 11 for inserting a syringe tip portion in the central portion of a top plate 10 are provided on the back surface of the top plate 10. A vertical slide cap 13 provided with horizontal slide guides 12 on the left and right of the insertion hole 11 and a needle removal slider 15 provided in the horizontal slide guide 12 and having a forked wedge hole 14 formed therein. A spring in which a needle guide cylinder 18 that enters into the needle drop guide cylinder 6 is vertically provided at the center of a disk 17 that has a slide slit 16 of a removal slider 15 and closes a surface on which the horizontal slide guide 12 is formed. Pullin connecting the support plate 19, the pull link support 8 of the slide cap holder 9 and a part of the needle removal slider 15 protruding from the slide slit 16. 20, the spring support 7
And a spring 21 interposed between the circular plates 17 of the spring support plate 19. Reference numeral 22 in the drawing denotes a claw for preventing the vertical slide cap 13 from being detached.

In the injection needle removing device for a used injection device having the above-described structure, the vertical slide cap 13 is guided by the vertical slide guide cylinder 5 and is pressed against the built-in spring 21 to cause the spring 21 to move upward. Needle removal slider 15 that is pressed against the back surface of the plate 10 and integrated
And the spring support plate 19 also descend. The spring support plate 19 is integral with the needle removal slider 15 and
One end of the pull link 20 pivotally attached to a part protruding from the sliding slit 16 and the other end pivotally attached to the slide cap holder 9 swings down with the other end as a fulcrum, whereby the needle removing slider 15 Is a horizontal slide guide 1
It will slide horizontally inside 2. Therefore, in FIG.
As shown in FIG. 3, the tip of the syringe h with the injection needle e is inserted through the insertion hole 11, and the cylinder end of the syringe h is brought into contact with and pressed against the surface of the vertical slide cap 13. Of the keyhole-shaped bifurcated wedge hole 14 that slides horizontally to form the needle removal slider 15,
The distal end portion of the syringe h enters the injection needle fitting end surface portion, and a force in the removal direction is applied to the end surface to remove the injection needle e and drop it into the removal needle storage container 3 for storage.

In the above embodiment, the pull link 20 is used as the means for converting the vertical movement into the horizontal movement. However, the present invention is not limited to this, and for example, a V-shaped leaf spring is used. One end of the slide cap holder 9 is pivotally attached to the spring support plate 19 and the other end is pivotally attached to the needle removing slider 15.
A well-known conversion means, such as forming a leaf spring descending restraint portion and using the horizontal deformation of the leaf spring as a horizontal sliding force, may be adopted.

[0009]

As described above, the needle removing device for the used injection device of the present invention has a spring against the spring on the end plate of the removing needle container having the drop hole on one end plate. The slide cap holder that holds the vertical slide cap that slides vertically is capped and fixed, and a syringe tip insertion hole that faces the needle drop hole of the end plate is opened in the center of the top plate of the vertical slide cap. At the same time, a needle removal slider consisting of a keyhole-shaped bifurcated wedge hole is supported on the back surface of the top plate so that the bifurcated center of the bifurcated slider passes horizontally through the center of the syringe tip insertion hole. Since there is a means for converting vertical movement against the spring into horizontal movement and transmitting it to the needle removal slider, insert the tip of the syringe with the needle through the insertion hole and The needle removal slider slides in the horizontal direction simply by contacting and pressing the end of the dar against the surface of the vertical slide cap, and the keyhole-shaped bifurcated wedge hole forming the needle removal slider has an injection needle at the tip of the syringe. The injection needle can be removed by advancing to the fitting end surface portion, applying a force in the removal direction to the end surface, and the injection needle can be dropped and stored in the removal needle storage container. Therefore, according to the present invention, by holding the syringe with one hand and inserting the tip of the syringe into the hole and pressing it as it is, the injection needle can be easily removed with one touch without using both hands by the pressing force. A needle removing device for a used injection device can be provided, the used injection device can be easily treated, and a secondary infection of a disease due to the treatment can be prevented.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of an injection needle removing device for a used injection device according to the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is an explanatory diagram illustrating a cross section of a needle removal slider and a state of removing an injection needle.

FIG. 4 is a plan view of a needle removing slider.

FIG. 5 is a plan view of a needle removal tool of a conventional used injection device.

[Explanation of symbols]

1 End Plate 2 Dropping Hole 3 Removal Needle Storage Container 4 Container Cap 5 Vertical Slide Guide Tube 6 Needle Drop Guide Tube 7 Spring Support 8 Pull Link Support 9 Slide Cap Holder 10 Top Plate 11 Insertion Hole 12 Horizontal Slide Guide 13 Vertical slide cap 14 Bifurcated wedge hole 15 Needle removal slider 16 Sliding slit 17 Disk 18 Needle guide tube 19 Spring support plate 20 Pull link 21 Spring 22 Claw

Claims (2)

[Scope of utility model registration request] 1. A vertical slide cap 13 which slides vertically on an end plate 1 of a removal needle accommodating container 3 having a drop hole 2 formed in one end plate 1 against a built-in spring 21.
Cap the slide cap holder 9 holding
An insertion hole 11 for the tip of the syringe facing the needle drop hole 2 of the end plate 1 is formed in the central portion of the top plate 10 of the vertical slide cap 13, and a keyhole shape is formed on the back surface of the top plate 10. The needle removal slider 15 consisting of the bifurcated wedge hole 14 is supported so as to be horizontally slidable so that the bifurcated center thereof passes through the center of the insertion hole 11 for the tip of the syringe, and resists the spring 21 of the vertical slide cap 13. The vertical motion of
An injection needle removing device for a used injection device, comprising means for converting into horizontal movement and transmitting it to the needle removing slider 15. 2. A removal needle accommodating container 3 having a drop hole 2 formed in an end plate 1, a vertical slide guide cylinder 5 on the outer peripheral portion of a container cap 4 capped on the container, and the drop on the central portion. A slide cap holder 9 in which a needle drop guide cylinder 6 opened to communicate with the use hole 2 is formed, and a spring support portion 7 and a pull link support portion 8 are formed in an inner peripheral portion of the vertical slide guide cylinder 5, A vertical slide cap 13 having an insertion hole 11 into which the tip of the syringe is inserted in the central portion of the plate 10 and horizontal slide guides 12 provided on the left and right of the insertion hole 11 on the back surface of the top plate 10 and a keyhole-shaped forked wedge hole. A disk 17 having a hole 14 formed therein and having a needle removal slider 15 disposed in the horizontal slide guide 12 and a slide slit 16 of the needle removal slider 15 for closing a surface on which the horizontal slide guide 12 is formed. Center of A spring support plate 19 in which a needle guide cylinder 18 that goes into the needle drop guide cylinder 6 is hung vertically
And a pull link 20 that connects the pull link support portion 8 of the slide cap holder 9 and a part of the needle removal slider 15 protruding from the slide slit 16.
The needle removing device for a used injection device according to claim 1, comprising a spring 21 interposed between the spring support portion 8 and a spring support plate 19.