JPH0546446Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field This invention is an injection device in which a plurality of ribs for preventing the needle from coming off are formed radially at predetermined intervals in the circumferential direction on the outer circumferential surface of the small diameter portion at the tip of the needle base. This invention relates to a container for removing a used injection needle from a syringe barrel and disposing of it in a syringe in which the needle is fitted into the tip of the syringe barrel.

2. Description of the Related Art Conventionally, in a syringe in which a needle is screwed into the tip of a syringe barrel, a used needle must be manually removed from the syringe barrel and disposed of in a special disposal container for needles.

However, if the blood adhering to the needle contains pathogens such as hepatitis B or AIDS, if the tip of the needle accidentally pokes the skin when removing the needle and disposing of it in a container, There was a risk that pathogens such as hepatitis B and AIDS could enter the body and become infected with these diseases.

The purpose of this invention is to solve the above-mentioned problems and provide a needle disposal container that allows the needle to be removed without touching it with the hands and also to be disposed of in the disposal container.

Means for Solving the Problems The syringe needle disposal container according to this invention is a syringe needle disposal container in which a plurality of ribs for preventing the needle from coming off are formed radially on the outer circumferential surface of the small diameter portion at the tip of the needle base at predetermined intervals in the circumferential direction. A container for removing the needle from the syringe barrel and disposing of it in a syringe in which the needle is fitted into the tip of the syringe barrel, and having a hole in the top wall through which a needle base having a rib to prevent the needle from coming off can pass. is formed, and a U-shaped indentation having a width through which the small diameter portion of the tip of the needle base passes is formed at the periphery of the hole, and at least one rib for preventing the needle from coming off is engaged at the innermost part of the indentation. An engaging portion is formed.

In the above, the syringe needle disposal container may be integrally molded as a whole, the top wall and the peripheral wall may be molded separately and the two may be combined, or the top wall may have a rib for preventing the needle from falling out. An opening is formed that is larger than the sum of both the hole and the indented part through which the needle base having the shape can pass, and this opening is engaged with the hole, the U-shaped indented part, and the rib for preventing the needle from coming off. It may be closed with a closure body having a section.

Function To remove a used syringe needle from the tip of a syringe barrel using the syringe needle disposal container of this invention, first insert the syringe needle into the container through the hole until the middle part of the small diameter part of the tip of the needle base enters the container. Insert into. Next, the syringe barrel is moved toward the indentation, and after the small diameter portion of the tip of the needle base is inserted into the innermost part of the indentation, the syringe barrel is rotated in either direction. Then, the rib for preventing the needle from coming off engages with the engaging portion, and when the syringe barrel is further rotated, the syringe needle comes off the tip of the syringe barrel and falls into the container through the hole. When the container is full of used needles, the container is discarded.

Embodiments Hereinafter, embodiments of this invention will be described with reference to the drawings.

1 to 5 show one embodiment of the needle disposal container according to this invention.

In Figures 1 to 5, the needle disposal container 1
consists of a cylindrical container body 2 (peripheral wall) and a metal bottom cover 3 fixed to the lower end of the container body 2 by double seaming to close the lower end opening of the container body 2. The upper end opening of the container body 2 is closed by a metal top cover 4 (top wall) fixed to the upper end of the container body 2 by double seaming. Although not shown, on the bottom lid 3, there is a porous body that takes in and holds blood, liquid medicine, etc. through physical action, or a polymer absorbent body that takes in and holds blood, liquid medicine, etc. through chemical action. A liquid absorbing and retaining material consisting of is arranged.

The container body 2 is made of paper, a composite material mainly composed of paper, plastic, a composite material mainly composed of plastic, metal, or the like.

As the paper container body 2, one made of strong single layer cardboard, one made of two or more layers of cardboard, etc. are used. As the cardboard, it is preferable to use paperboard, paper tube base paper, or the like. In addition, in the case of the paper body 2, at least the inner peripheral surface of the whole body 2 is filled with paraffin,
It is recommended that the surface be treated with a material such as wax that does not allow blood, chemicals, etc. to pass through.

The container body 2 made of a composite material mainly made of paper includes a core made of paper, a lining that covers the entire inner peripheral surface of the core and is bonded to the peripheral surface of the core with adhesive, and an outer periphery of the core. The one that covers the entire surface and consists of an outer layer bonded to the outer peripheral surface of the core with adhesive is used. The core consists of one or more layers of cardboard. As a lining,
Synthetic resin-coated paper, synthetic resin-coated aluminum (including aluminum alloys; the same shall apply hereinafter) foil or thin plate, water-repellent-impregnated paper, etc. are used. In the case of synthetic resin-coated paper and synthetic resin-coated aluminum foil or thin plate, the synthetic resin coating layer is used on the inner surface of the body 2. In the case of synthetic resin-coated aluminum foil or thin plate, it is preferable to previously adhere kraft paper or the like to the outer surface of the body 2 for adhesion to the core. As the outer lining, the same material as the inner lining is used. However, in the case of synthetic resin-coated paper and the same aluminum foil or thin plate, the synthetic resin coating layer is placed on the outer surface of the cylinder 2.

The container body 2 made of a composite material mainly made of plastic is, for example, one in which the inner surface of a strong plastic layer is covered with an aluminum layer, and the inner surface is further covered with a synthetic resin layer, but it is limited to such a structure. Not done. The aluminum layer is formed by laminating an aluminum foil or sheet to a plastic layer or by vapor depositing aluminum onto a plastic layer. The plastic used is, for example, a polyolefin thermoplastic synthetic resin such as polypropylene, polyethylene, or polyethylene terephthalate.

A circular recess 6 that gradually becomes deeper toward the center is formed in the center of the top cover 4.
A circular injection needle insertion hole 7 is formed at the bottom of the injection needle 20, through which the needle base 21 having the rib 22 for preventing the needle from coming off the injection needle 20 can pass. Further, the periphery of the injection needle insertion hole 7 in the top cover 4 has a proximal end 21 a of the needle base 21 that is larger than the tip 25 of the outer cylinder 24 of the injection barrel 23 to which the injection needle 20 is attached.
A plurality of injection needle removal indentations 8, 9, and 10, which are approximately U-shaped when viewed from a plane and have a width smaller than the outer diameter, are formed at predetermined intervals in the circumferential direction.
One indented part 8 is for removing the needle base 21 screwed into the barrel tip 25 of the injection needle 20 from the barrel tip 25, and at the innermost part thereof, there is a notch 12 which is approximately U-shaped when viewed from above. Two notches 12 are formed, and a substantially trapezoidal portion between both notches 12 serves as an engaging portion 11 with which a rib 22 for preventing needle tube coming off engages. On both side edges of the indented part 8 and the peripheral edge of the engaging part 11, downwardly bent parts 13 are formed to bite into the needle base 21 and prevent the needle base 21 from getting caught when removing the injection needle 20, which will be described later. has been done. The other two indentations 9 and 10 are for removing the needle hub 21 fitted onto the barrel tip 25 of the injection needle 20 from the injection barrel 23. Inlet part 8 adjacent to recess 6,
A reinforcing bulge 14 is formed between 9 and 10 to prevent deformation of the top cover 4 when the injection needle 20 is removed. Further, in the area around the recess 6 in the top cover 4, there are a plurality of through holes 1 for removing the cap placed on the injection needle 20.
5, 16, and 17 are formed. One through hole 17 is oval, and the other through holes 15 and 16 are circular, so that they can be applied to caps with different cross-sectional shapes.

Next, the injection needle 2 has a plurality of ribs 22 for preventing needle tube coming out radially formed at predetermined intervals in the circumferential direction on the outer circumferential surface of the small diameter portion 21b at the tip of the needle base 21.
0 is screwed into the tip of the syringe barrel 23, the needle 20 is inserted into the outer barrel 2 of the syringe barrel 23.
A method for removing the tube from the tip 25 of No. 4 will be explained with reference to FIG. First, insert the injection needle 20 into the needle base 21.
Insert the injection needle into the container 1 through the injection needle insertion hole 7 until the middle part of the small diameter tip 21b enters the container 1 (the fifth
(see figure a). Next, the syringe barrel 22 is moved toward the indentation 8, the small-diameter tip portion 21b is placed in the innermost part of the indentation 8, and the rib 22 is engaged with the engagement portion 11 (see FIG. 5b). After that, the syringe barrel 22 is rotated. Then, the barrel tip 25 rotates relative to the needle hub 21, the screw is loosened, and the needle hub 21 is removed from the barrel tip 25. Then, insert the syringe barrel 25 into the insertion hole 7.
When the needle base 21 is moved in the direction shown in FIG.
reference). Blood and medicine adhering to the needle tube 26 of the injection needle 20 are absorbed and retained by a liquid absorbing and retaining material (not shown) placed in the container 1.

FIG. 6 shows another embodiment of this invention. In FIG. 6, a predetermined length portion of the indented portion 30 from the injection needle insertion hole 7 for removing the needle base 21 screwed into the barrel tip 25 of the injection needle 20 from the injection barrel 23 is made into a wide portion 31. There is. Wide part 3
1 is used to remove the needle hub 21 fitted onto the barrel tip 25 of the injection needle 20 from the injection barrel 23. No downward bent portions are formed on both side edges of the wide portion 31 .

In such a configuration, the injection needle 20 has a plurality of ribs 22 radially formed at predetermined intervals in the circumferential direction on the outer circumferential surface of the small diameter portion 21b of the tip end portion 21b of the needle base 21, and the injection needle 20 is attached to the injection barrel 23. The method for removing the injection needle 20 from the barrel tip 25 of the outer barrel 24 of the syringe barrel 23 in the syringe fitted in the barrel tip is as follows.
This is the same as the above embodiment.

Effects of the invention According to the syringe needle disposal container according to this invention, the syringe needle can be removed from the syringe barrel without touching it with the hands as described above, and can also be disposed of in the disposal container. Therefore, when removing a used syringe needle and disposing of it in a container, the tip of the needle does not accidentally pierce the skin, and pathogens such as hepatitis B and AIDS in the blood attached to the needle can enter the body. There is no risk of being infected with these diseases.

[Brief explanation of the drawing]

1 to 5 show Example 1 of this invention,
Figure 1 is a perspective view, Figure 2 is a plan view, Figure 3 is a second
Figure 4 is an enlarged cross-sectional view of Figure 3.
FIG. 5 is a partially cutaway perspective view showing how to remove the injection needle, and FIG. 6 is a view corresponding to FIG. 4 showing another embodiment of this invention. 1...
Syringe needle disposal container, 4... Top wall (top lid), 7... Syringe needle insertion hole, 8... Indented part, 11... Engaging part, 2
0... Syringe needle, 21... Needle base, 21b... Small diameter portion at the tip, 22... Rib for preventing needle tube coming off, 23... Syringe barrel, 25... Tube tip.

Claims (1)

[Scope of Claim for Utility Model Registration] An injection needle in which a plurality of ribs for preventing the needle from coming off are formed radially at predetermined intervals in the circumferential direction on the outer circumferential surface of the small diameter portion of the tip of the needle hub, is located at the tip of the syringe barrel. A container for removing the needle from the syringe barrel of a fitted syringe and disposing of the needle, the top wall of which is formed with a hole through which a needle base having a rib for preventing the needle tube from coming off can pass, and the periphery of this hole A U-shaped indentation part having a width through which the small diameter part at the tip of the needle base passes is formed in the inlet part, and an engaging part with which at least one rib for preventing needle tube coming out is engaged is formed at the innermost part of the indentation part. Container for disposing of syringe needles.