JP6864531B2 - Containers and disposal systems for medical waste - Google Patents

Description

The present invention relates to a container for removing a needle unit and disposing of medical waste such as the needle unit.

Conventionally, for example, a pen-type syringe for a patient to inject (self-inject) insulin or growth hormone by himself / herself has been proposed (see Patent Document 1).
The nurse teaches the patient how to inject using the pen-type syringe until the patient is able to self-inject. In such a case, after the injection, the nurse replaces the needle unit of the pen-type syringe for each injection from the viewpoint of hygiene. The used needle unit is disposed of in a container for medical waste (see Patent Document 2).

Special Table 2006-51907A Registration Design No. 1166202 Gazette Japanese Patent No. 4750146

However, during the replacement of the needle unit of the pen-type syringe, a medical accident such as a needle tip sticking to the nurse himself and causing a nosocomial infection has occurred.
On the other hand, in order to avoid the medical accident, a trumpet-type replacement device that covers the nurse's hand is also used, but it is large and bulky, and it is forgotten to bring the replacement device. It is complicated because there is a risk.

Therefore, a method for removing the needle unit and a container for medical waste have been separately proposed so that the needle unit can be safely removed from the pen-type syringe without using a dedicated instrument. (See Patent Document 3)

According to this prior art, a needle case is inserted into a removable recess formed in a container for medical waste, a pen-type syringe is pushed into the needle case, and the needle case is fitted into the needle housing of the needle unit. Therefore, the needle housing can be replaced while preventing accidents such as needle tip sticking by the nurse.

In addition, it is convenient because it is not necessary to carry a separate device for removing the needle unit.

Hereinafter, the prior art will be described with reference to the drawings.

Prior to explaining the container for medical waste, first, a conventional pen-type syringe for use in self-injection will be described.

As shown in FIG. 7D, the pen-type syringe includes a main body case 30 and a needle unit 27. The needle unit 27 has a needle 25 and a needle housing 26 that surrounds a part of the needle 25. The needle housing 26 is inserted into the tip of the main body case 30.

In order to administer a drug using the pen-type syringe, after setting the dose to the pen-type syringe, the needle 25 is inserted into the patient's body, and the drug previously placed in the pen-type syringe is inserted. Administer into the patient's body.

The needle unit 27 is removed from the main body case 30 each time the injection is performed, and a new needle unit 27 is attached to the main body case 30 each time the injection is performed.

Needle unit 27;
The needle unit 27 shown in FIG. 6 is housed in a needle cap 24, and the needle cap 24 is housed in a needle case 20 and then sealed by a cover film 22. The needle case 20 is formed with a small diameter portion 21 capable of accommodating the used needle unit 27 at the tip portion thereof. In addition, threads that screw each other are formed in the needle case 20 and around the needle housing 26 (FIG. 7D).

How to attach the needle unit 27;
First, the cover film 22 shown in FIG. 6 is peeled off as shown in FIG. 7A, and then the tip portion 31 of the main body case 30 is inserted into the insertion hole (opening of the needle case) 23 of the needle case 20 as shown in FIG. 7B. (Fig. 7A) is inserted.

After that, when the needle case 20 is pulled out from the main body case 30, as shown in FIG. 7C, the needle unit 27 is attached to the main body case 30, and the needle unit 27 has a needle cap 24 that covers the needle unit 27. Is installed. The needle cap 24 is removed at the time of injection for use.

Container 1:
The needle unit 27 is removed and discarded each time an injection is performed.
Hereinafter, the structure of the container 1 for medical waste for removing and disposing of the needle unit 27 will be described.

As shown in FIG. 1, the container 1 is a rectangular container, and includes a container body (accommodation portion) 12 and a lid portion 10 including an inner lid 13 and an outer lid 14.
The inner lid 13 and the outer lid 14 are integrally molded, and a thin portion 15 is formed between the inner lid 13 and the outer lid 14. The inner lid 13 is fitted in the upper part of the container body 12, and the outer lid 14 is rotatable around the thin portion 15.

The inner lid 13 is provided with an opening 16 into which the used needle unit 27 and the needle case 20 are inserted, and a bottomed removal recess 17 used for removing the needle unit 27 on the upper surface thereof. In order to remove the needle unit 27 and to insert the removed needle unit 27 into the container 1 through the opening 16, the outer lid 14 is rotated and opened.

The thin portion 15 is provided on the back surface side B of the container 1. When disposing of the used needle unit 27 or needle case 20 stored in the container 1, the outer lid 14 is rotated toward the front side F, the opening 16 is closed, and then the outer lid is closed. The two claws 18a provided at the tip of the 14 are bent and pushed into the two fitting holes 18b provided on the upper surface of the inner lid 13, respectively, and the outer lid 14 is closed so as not to open.

The container 1 is provided with a handle 19b that can rotate around the hinge portion 19a, and the container 1 can be carried by holding the handle 19b.

To remove the needle unit 27 from the main body case 30, the needle unit 27 side of the main body case 30 is pushed into the needle case 20 as shown in FIG. 5A, and the needle unit 27 is rotated a plurality of times in a predetermined direction as shown in FIG. 5B. After screwing and fixing the needle housing 26 of the needle unit 27 in the needle case 20, the needle unit 27 is removed from the main body case 30 and discarded in the container 1 through the opening 16 as shown in FIG. 5C. ..

Here, when the main body case 30 is pushed into the needle case 20, a medical accident such as the needle 25 sticking in a nurse's finger is likely to occur. Therefore, as shown in FIG. 3, the container 1 is provided with a removable recess 17 for erecting the needle case 20 on the upper surface of the inner lid 13.
As shown in FIG. 4, the needle case 20 can be safely attached to the tip of the main body case 30 by pushing the needle unit 27 side of the main body case 30 into the needle case 20 erected in the removal recess 17 and pulling it up. ..

Removal recess 17:
As shown in FIG. 2, the small diameter portion 21 (FIG. 6) of the needle case 20 is inserted into the removal recess 17. The removal recess 17 has a depth D of 6 in accordance with the small diameter portion of a commercially available needle case so that the small diameter portion 21 of the needle case 20 does not fit into the recess 17 and the needle case 20 does not fall over. It is set to 0.0 mm to 10 mm and has a diameter of 5.8 mm to 6.8 mm.
The upper surface of the removal recess 17 is formed in a slightly rounded shape so that the small diameter portion 21 of the needle case 20 can easily enter.

As shown in FIG. 3, when the small diameter portion 21 of the needle case 20 is inserted into the removal recess 17, the side surface 17a of FIG. 2 supports the side surface of the small diameter portion 21 (FIG. 6) of the needle case 20 and the removal recess. The tip of the small diameter portion 21 is supported by the bottom portion 17b of 17, and the needle case 20 is erected as shown in FIG.
The planar shape of the removal recess 17 does not necessarily have to be circular, and the needle case 20 does not fit inside the removal recess 17, such as a polygon or an ellipse, and does not fall inside the removal recess 17. All you need is.

How to remove the needle unit 27:
To remove the needle unit 27 from the main body case 30, first, as shown in FIG. 3, a small diameter portion 21 of the needle case 20 capable of accommodating the needle unit 27 is inserted into the removal recess 17, and an insertion hole is inserted. The needle case 20 is placed in an upright position in the removal recess 17 with the 23 facing upward.

Then, as shown in FIGS. 4 and 5A, the main body case 30 is pushed into the needle case 20 with the needle 25 of the main body case 30 screwed into the main body case 30 facing downward. The needle case 20 is fitted to the needle housing 26 of the needle unit 27.

When the main body case 30 is pulled upward after the pushing, the needle case 20 is removed from the recess 17 with the needle case 20 fitted to the needle unit 27.

After that, as shown in FIG. 5B, when the needle case 20 is rotated a plurality of times in the predetermined direction shown in FIG. 5B with respect to the main body case 30, the needle unit 27 is screwed and fixed in the needle case 20. .. When the needle case 20 is pulled out from the main body case 30 in such a state, the needle unit 27 is separated from the main body case 30 while maintaining the state in which the needle unit 27 is fitted to the needle housing 26.

After the detachment, as shown in FIG. 5C, the needle unit 27, together with the needle housing 26, is thrown into the medical waste container 1 through the opening 16 for disposal.

However, the small diameter portion 21 at the tip of the needle case 20 in FIG. 5B is thin and difficult to hold. Therefore, an operation error is likely to occur during medical practice.
On the other hand, if the small diameter portion 21 is made thicker to make the needle case 20 easier to hold, the position of the axis of the needle case 20 is difficult to understand, and an operation error is likely to occur.

Therefore, an object of the present invention is to provide a container and a disposal system for medical waste that are less prone to operational errors.

The container for medical waste of the present invention
With the central hole 51 arranged on the axis S where the recess 50 extends in the depth direction,
It has 3 to 10 radial holes 52 extending in the radial direction from the central hole 51, and has 3 to 10 radial holes 52.
It is characterized in that it is configured in a gear shape so that the recess 50 is fitted into the needle case 20 having an arrow blade shape at the tip.

According to the present invention, the needle case having the cylindrical portion 61 and the blade portion 62 can be erected in the recess 50, and the needle case can be fitted to the pen-type syringe. That is, the cylindrical portion 61 of the needle case can be fitted into the central hole portion 51, and the blade portion 62 can be fitted into the radiation hole portion 52 so that the needle case can be erected in the recess 50. As a result, the needle housing can be replaced as in the conventional case.

On the other hand, the tip of the needle case has a thin cylindrical portion 61, so that the position of the axis of the needle case does not become difficult to understand when the needle case is attached or detached without using this container.

Therefore, operation mistakes are unlikely to occur during medical practice.

It is a schematic perspective view which shows the container for the conventional medical waste. It is an enlarged schematic cross-sectional view which shows the removal recess. It is a schematic perspective view which shows the container. It is a schematic perspective view which shows the container. 5A to 5C are schematic perspective views showing a method of removing the needle unit. It is a schematic perspective view which shows the needle case. 7A to 7D are schematic perspective views showing a method of attaching the needle unit to the pen-type syringe. It is the schematic perspective view of the container which shows Example 1 of this invention by a digital photograph. It is a breaking perspective view which shows the concave part of the same Example 1, and is the perspective view which shows the perspective view, the bottom plate and the like. It is a plan view, a vertical sectional view, and a planar sectional view which show the recess of Example 1. FIG. It is a schematic perspective view which shows the mounting method of a needle case. It is the schematic perspective view of the container which shows Example 2 of this invention by a digital photograph. 2 is a plan view and a side view showing the attachment of the second embodiment. 2 is a plan view, a vertical cross-sectional view, a plan cross-sectional view, and a perspective view showing the recesses of the second embodiment.

Preferably, the recess 50 is defined by a bottom plate 56 with which the tip of the needle case abuts.
The central hole 51 is defined by 3 to 10 central walls 53 rising from the bottom plate 56 arranged at a predetermined distance from the axis S.
Each radiation hole portion 52 is defined by a wall portion 54 connected to each central wall 53.

Preferably, the lid portion 10 is further provided with a recess 17 having a circular cross section in addition to the gear-shaped recess 50.

When the lid portion 10 has a large area, the needle housing can be replaced by providing a conventional recess 17 and standing a needle case having a cylindrical small diameter portion in the recess 17.
The conventional small-diameter portion may be erected in the central hole 51 of the gear-shaped recess 50. Also in this case, the presence of the concave portion 17 having a circular cross section enables the conventional usage.

Preferably, a slit 55 extending in the depth direction is formed at the outer end portion of the radiation hole portion 52.

When the container is portable and small, or when an attachment is provided in the opening 16 into which the needle unit 27 is inserted and the recess 50 is provided in the attachment, it may be difficult to form (mold) the recess 50 in terms of space.
On the other hand, since the slit 55 is formed, the recess 50 can be formed in a narrow space.

Hereinafter, examples of the present invention will be described with reference to the drawings. In the following examples, the same parts or corresponding parts as those of the prior art of FIGS. 1 to 7 are designated by the same reference numerals, and the parts different from the prior art will be mainly described.

In the container for medical waste shown in FIG. 8, the inner lid 13 is provided with a recess 50. The depth and diameter of the recess 50 are set so that the needle case 60 (FIG. 11) does not fit into the recess 50 and the needle case 60 of FIG. 11 does not fall in the recess 50. There is.

The recesses 50 of FIG. 9 have a central hole portion 51 arranged on the axis S of FIG. 10 extending in the depth direction and 3 to 10 portions (preferably 4 to 4) extending in the radial direction from the central hole portion 51 of FIG. It has 8) radiation holes 52.
As shown in FIG. 11, the recess 50 is configured in a gear shape so that the recess 50 fits into the needle case 60 having an arrow blade shape at the tip.

That is, the needle case 60 has a cylindrical cylindrical portion 61 that fits into the central hole portion 51 and 3 to 10 needle cases (preferably 4 to 8) that extend from the cylindrical portion 61 in the radial direction and fit into the radial hole portion 52. It has a blade portion 62 of the sheet).

The recess 50 in FIG. 10 is defined by a bottom plate 56 with which the tip of the needle case abuts. The central hole 51 is defined by, for example, six central walls 53 rising from the bottom plate 56 arranged at a predetermined distance from the axis S. Each radiation hole portion 52 is defined by a wall portion 54 connected to each central wall 53.

In addition to the gear-shaped recess 50, the lid 10 of FIG. 8 is further provided with a recess 17 having a circular cross section similar to that of the conventional one.
The inner diameter of the central hole 51 in FIG. 9 may be set to a diameter at which the conventional needle case 20 can be erected.

How to remove the needle unit 27:
To remove the needle unit 27 from the main body case 30 of FIG. 11, first, as shown in FIG. 11A, the tip of the needle case 60 capable of accommodating the needle unit 27 is inserted into the recess 50. Then, with the insertion hole 63 facing upward, the needle case 60 is arranged in the recess 50 in an upright state.

After that, as shown in FIGS. 11 (b) and 11 (c), the main body case 30 is attached to the needle case 60 with the needle 25 of the main body case 30 screwed into the main body case 30 facing downward. The needle case 60 is fitted into the needle housing 26 of the needle unit 27.

When the main body case 30 is pulled upward after the pushing, the needle case 60 is removed from the recess 50 with the needle case 60 fitted in the needle unit 27.

Then, as in the prior art of FIG. 5B, when the needle case 60 is rotated a plurality of times in a predetermined direction with respect to the main body case 30, the needle unit 27 is screwed and fixed in the needle case 60. When the needle case 60 is pulled out from the main body case 30 in such a state, the needle unit 27 is separated from the main body case 30 while maintaining the state in which the needle unit 27 is fitted to the needle housing 26.

After the detachment, the needle unit 27 is thrown into the container 1 through the opening 16 together with the needle housing 26 and discarded as in FIG. 5C.

12-14 show Example 2.
As shown in FIG. 12, the container 1 of the second embodiment is formed in a cylindrical shape. Further, the container 1 is formed in a size that can be carried and used by the patient.

The attachment 70 of FIG. 13 is attached to the inner lid 13 of the container 1. The attachment 70 is formed with a recess 50 and an opening 16 for discarding the needle case 60 in which the used needle unit 27 is housed.

As shown in FIG. 14, a slit 55 extending in the depth direction is formed at the outer end portion of the radiation hole portion 52.
Other configurations are the same as those in the first embodiment, and the same parts or corresponding parts are designated by the same reference numerals and the description thereof will be omitted.

The present invention can be applied to the needle case of a pen-type syringe and the container of medical waste.

1: Container 10: Lid 12: Container body (accommodation) 16: Syringe inlet (opening)
17: Removal recess 20: Needle case 23: Insertion hole (opening of needle case) 25: Needle 26: Needle housing 27: Needle unit 30: Main body case 50 recess 51 Center hole 52: Radiation hole 53: Center wall 54: Wall 55: Slit 56: Bottom plate 60: Needle case 61: Cylindrical 62: Blade 70: Attachment S: Axis

Claims (4)

A needle unit 27 having a needle 25 and a needle housing 26 surrounding a part of the needle is attached to and detached from the main body case 30 by a screw, and the main body case 30 of a pen-type syringe suitable for a patient to administer a drug solution by himself / herself. A lid portion 10 having an opening 16 for inserting the needle unit 27, and an accommodating portion 12 for accommodating the inserted main body case 30 and the needle unit 27 are provided.
A bottomed removable recess 50 for erection of the needle case for removing the needle unit 27 from the main body case 30 is formed in the lid portion 10.
In the way needle case never fall within the recess 50, the container for medical waste depth and diameter of the recess 50 is set,
The recess 50 includes a central hole 51 arranged on the axis S extending in the depth direction.
It has 3 to 10 radial holes 52 extending in the radial direction from the central hole 51, and has 3 to 10 radial holes 52.
It is configured in a gear shape so that the recess 50 fits into the needle case having an arrow blade shape at the tip.
put it here,
A container characterized in that a slit 55 extending in the depth direction is formed at a portion of the outer end of the radiation hole portion 52. In claim 1,
The recess 50 is defined by a bottom plate 56 with which the tip of the needle case abuts.
The central hole 51 is defined by 3 to 10 central walls 53 rising from the bottom plate 56 arranged at a predetermined distance from the axis S.
A container, wherein each radiation hole portion 52 is defined by a wall portion 54 connected to each central wall 53. In claim 1 or 2,
A container characterized in that the lid portion 10 is further provided with a recess 17 having a circular cross section in addition to the gear-shaped recess 50. A medical waste disposal system including the container 1 according to any one of claims 1 to 3 and the needle case, wherein the needle case is
A cylindrical cylindrical portion 61 that fits into the central hole portion 51,
A disposal system comprising 3 to 10 blades 62 extending from the cylindrical portion 61 in the radial direction and fitting into the radial hole portion 52.

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