JP2020092984A - Needle removal container - Google Patents

Abstract

To provide a needle removal container in which a needle can safely be removed from a syringe cylinder and a syringe with the needle screwed therein.SOLUTION: A needle removal container comprises: a box-shaped storage unit where a through-hole 213 having at least a needle part in a screwing state being inserted thereinto is arranged in one end side, and storing the needle part removed from a holding part; a first screwing opening part 230a being provided at a first region 213c in the through-hole 213, coming in contact with the needle part inserted into the through-hole 213 and opening screwing by relative rotation with the needle part; and a second screwing opening part 230b being provided at a second region 213b in the through-hole 213 unlike the first region 213c, and opening the screwing by relative movement with the needle part.SELECTED DRAWING: Figure 2A

Description

The present invention relates to an injection needle removing container for removing a used injection needle.

BACKGROUND ART Syringes used by medical staff (for example, doctors and nurses) in hospitals and syringes used at home (so-called self-injection syringes) are known. Generally, a syringe includes a cylindrical syringe barrel and an injection needle attached to the tip of the syringe barrel. The injection needle has a substantially cylindrical needle base having a smaller diameter than the injection cylinder, which is a part to be attached to the tip of the injection cylinder, and a needle tube which is a part protruding from the needle base and piercing the skin of the human body. There is. Although the needle tube may be referred to as an injection needle, the injection needle here means a member including a needle base and a needle tube.

For example, if a medical worker in a hospital is injured by a used injection needle inadvertently, an infectious disease may occur. Therefore, it is necessary to safely dispose of the injection needle to prevent injury. Similarly, when using a syringe for self-injection at home, it is necessary to discard the injection needle, but when removing the injection needle from the injection tube, elderly people with weak eyesight can not see the thin needle well, for example, There was a risk that you could get injured by pointing your finger.

From such a background, there is known an injection needle discarding container for safely discarding the injection needle of a used syringe (see, for example, Patent Document 1). This container for discarding an injection needle comprises a container for accommodating a used injection needle, an insertion hole into which a needle base can be inserted, and a lid having a groove extending horizontally from the insertion hole. Looking at the cross section of the lid in the thickness direction, the thickness of the lid has a tapered shape in which the edge portion of the insertion hole is thin and the edge portion of the groove becomes thicker as it goes away from the insertion hole.

Then, when processing the injection needle, after inserting the used injection needle into the insertion hole with the needle base still attached, the entire syringe is slid toward the groove. Then, the tapered shape of the edge of the groove pushes the collar-shaped portion of the needle base downward, and the entire injection needle gradually comes out of the injection cylinder. Eventually, the injection needle falls from the syringe barrel into the container and drops into the container, so that the injection needle can be discarded into the container without touching the injection needle.

JP, 2003-260094, A

The syringe is provided with a thread and a thread groove corresponding to each other on the syringe barrel and the needle, and the needle is attached to the syringe barrel by rotating relative to each other (so-called, screwed) type There is one.

In such a syringe in which the syringe barrel and the needle are screwed together, when the syringe needle is taken from the syringe barrel, it is necessary to unscrew (also referred to as opening), but in the configuration of the device described above, Was difficult to open.

In such a case, it is conceivable that an elderly person who uses a syringe for self-injection may open the screw with his/her finger in order to throw away the injection needle. The needle may not be visible and you may be injured.

The present invention has been made to solve the above problems, and provides an injection needle removal container suitable for safely removing the injection needle from the injection cylinder in a syringe in which the injection cylinder and the injection needle are screwed together. The purpose is to do.

In order to solve the above-mentioned problems, an injection needle removing container according to the present invention removes the injection needle part from a syringe including an injection needle part having an injection needle and a holding part screwed with the injection needle part. In the injection needle removing container, the injection needle removing container has at least a through hole into which the injection needle portion in the screwed state is inserted and is arranged at one end side, and accommodates the injection needle portion removed from the holding portion. The box-shaped housing portion is provided at a first portion in the through hole, and contacts the injection needle portion inserted into the through hole to bring the screw into engagement by relative rotation with the injection needle portion. A first screwing opening portion to be opened and a second portion in the through hole different from the first portion, and the screwing is opened by relative movement with the injection needle portion. It is characterized by including two screw opening parts.

According to the present invention, it is possible to provide an injection needle removal container suitable for safely removing the injection needle from the injection cylinder in a syringe in which the injection cylinder and the injection needle are screwed together.

It is a perspective view of the injection needle removal container concerning a 1st embodiment. It is a top view which shows a part which looked at the injection needle removal container from the top. FIG. 2B is a schematic view showing a part of the AA cross section of FIG. 2A and a part of the syringe. It is a partial cross section figure which shows a part of BB cross section of FIG. 2A. It is the schematic which shows the usage method of the injection needle removal container which concerns on 1st Embodiment. It is the schematic which shows an example of the use condition of the injection needle removal container. It is a perspective view of the injection needle removal container concerning a 2nd embodiment. FIG. 6 is a schematic view showing a part of the AA cross section of FIG. 5 and a part of the syringe. It is the schematic which shows the usage method of the injection needle removal container which concerns on 2nd Embodiment. FIG. 9 is a perspective view of an injection needle removal container 1a according to Modification 1. It is a perspective view which expands and shows a part of injection needle removal container 1a. FIG. 7 is a diagram illustrating the operation and effect of the discard lock mechanism 400.

(First embodiment)

Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of an injection needle removal container according to the first embodiment. FIG. 2A is a plan view showing a part of the needle removal container as seen from above. FIG. 2B is a schematic view showing a part of the AA cross section of FIG. 2A and a part of the syringe. FIG. 2C is a partial cross-sectional view showing a part of the BB cross section shown in FIG. 2A. FIG. 3 is a schematic diagram showing a method of using the injection needle removal container according to the first embodiment. Note that FIG. 3 shows a part of the BB cross section of FIG. 2A. FIG. 4 is a schematic diagram corresponding to FIG. 2B and showing an example of a usage state of the injection needle removal container according to the first embodiment.

In each drawing, x, y, and z coordinate axes that are orthogonal to each other are illustrated. With these axes, the direction can be understood with reference to FIG. 1, for example. For example, when the injection needle removal container 1 is viewed from above as shown in FIG. 2A, the longitudinal direction of the injection needle removal container 1 is the x-axis direction (also referred to as the width direction), and the up-down direction is the y-axis direction (longitudinal direction). The width direction) and the front-back direction are defined as the z-axis direction (also referred to as the vertical direction). The direction in which the z-axis arrow points is the direction toward the bottom surface of the storage box 10 (hereinafter, also referred to as the bottom surface direction), which will be described later.

In addition, "x" in "○" in the drawing (for example, z axis in FIG. 2A) means an arrow pointing from the front to the back of the drawing. In the drawing, a small black circle "●" written in "○" (for example, the x-axis of 2B) means an arrow from the back of the drawing to the front.

As shown in FIG. 1, the injection needle removal container 1 includes a housing box 10, a needle removal section 20, and a lid 30. The injection needle removing container 1 is, for example, a container in which a used injection needle 52, which will be described later, can be safely removed from the injector 5 used at home or in a hospital and can be safely discarded.

The syringe 5 includes at least a cylindrical injection cylinder 51, and an injection needle 52 that is detachably mounted by being screwed into the distal end portion of the injection cylinder 51.

There are various types of syringes 5 ranging from those used by medical staff (for example, doctors and nurses) in hospitals to those used at home (so-called syringes for self-injection). The type of the syringe 5 to be processed by the injection needle removal container 1 is not particularly limited. However, here, as an example, the syringe 5 is a syringe for self-injection. As the self-injection, for example, an injection of insulin by a diabetic patient himself is known.

The injection cylinder 51 and the injection needle 52 are released from the screw engagement by rotating relative to each other, and more specifically, the injection needle 52 is rotated clockwise with the injection cylinder 51 fixed. Conversely, the screwing is released by rotating the injection cylinder 51 counterclockwise with the injection needle 52 fixed (hereinafter, the opening of the screwing is also referred to as "screw opening"). Since the injection cylinder 51 and the injection needle 52 are released from the screw engagement by rotating relative to each other, the injection cylinder 51 and the injection needle 52 are rotated in opposite directions without fixing them. The screwing can also be released.

A groove G1 for screwing is formed on the outer peripheral surface of the distal end portion of the injection cylinder 51. Although not shown here, the injection cylinder 51 is also provided with a mechanism (a so-called piston) for sending the drug solution to the injection needle 52 by pressure. Similarly, although not shown, on the distal end side of the injection cylinder 51, a storage portion for storing the drug solution is provided. This tip portion is closed by a sponge-like member (for example, sponge or nonwoven fabric) S for preventing the stored drug solution from leaking and supplying the drug solution to the injection needle 52.

The injection needle 52 has a substantially cylindrical needle base 521 having a groove G2 screwed into the groove G1 of the injection cylinder 51 and formed on the inner wall thereof, and a needle tube 522 protruding from the needle base 521. The needle tube 522 may be referred to as an “injection needle”, but here, as an example, the “injection needle” refers to a member including the needle base 521 and the needle tube 522.

As shown in FIG. 2B, on the outer wall surface of the needle base 521, a plurality of substantially rectangular shapes extending in the longitudinal direction of the syringe 5 and having a substantially rectangular shape when the needle base 521 is viewed from the front as shown in FIG. 2B are shown. The grooves 521a are provided at predetermined intervals in the circumferential direction. That is, the entire outer wall surface has an uneven shape in which a concave portion formed by the groove 521a and a convex portion sandwiched by one groove 521a and the adjacent groove 521a are alternately arranged continuously along the circumferential direction. .. Although the details will be described later, the entire needle base 521 functions like a gear due to the uneven shape of the groove 521a.

One end side of the needle tube 522 toward the injection cylinder 51 side (hereinafter, also referred to as a cylinder side) projects toward the injection cylinder 51 in the needle base 521 and pierces the spongy member S shown in FIG.

As shown in FIG. 1, the storage box 10 is a box, the inside of which is hollow and the top of which is open. The needle take-up portion 20 is arranged in this opening. The accommodation box 10 accommodates the injection needle 52 removed from the injection cylinder 51.

As shown in FIG. 2A, the needle collecting section 20 includes a main body section 210, a partition plate 220, a projection group 230, and a claw section 240. The needle removing section 20 can release the screwing engagement between the injection cylinder 51 and the injection needle 52 by including these portions. Details of the screw opening by the needle taker 20 will be described later.

As shown in FIGS. 2B and 2C, the main body 210 has a penetrating portion formed by a flat plate portion 211 that extends horizontally with respect to the opening of the storage box 10 and a wall portion 212 that projects from the flat plate portion 211 toward the bottom surface of the storage box 10. It has a hole 213.

The main body 210 may be referred to as an inner lid arranged in the opening of the storage box 10, and the flat plate portion 211 covers at least a part of the opening of the storage box 10.

As shown in FIG. 2A, the through hole 213 includes a pair of side portions 213a and 213b (hereinafter simply referred to as side portions 213a and 213b) that are parallel to each other, and ends of the side portions 213a and 213a. A pair of arc-shaped (here, arc-shaped) first terminating end 213c and second terminating end 213d (hereinafter simply referred to as first terminating end 213c and second terminating end 213d) connecting the parts as inner wall surfaces Have

The partition plate 220 extends entirely from the first end portion 213c of the through hole 213 to the front of the second end portion 213d as shown in FIG. 2A, and as shown in FIG. 2B and FIG. It is located at the bottom.

When the syringe 5 is inserted into the through hole 213, the partition plate 220 comes into contact with the needle base 521 to receive the syringe 5, and the entire syringe 5 passes through the through hole 213 and falls into the needle removal container 1. To prevent the accident.

Further, the partition plate 220 has a structure in which the used injection needle 52 housed in the injection needle removal container 1 is located outside the through hole 213 when, for example, the injection needle removal container 1 is tilted or turned upside down. It effectively suppresses going out.

At the center of the partition plate 220, a through groove 220a is formed which starts from the second end portion 213d side (hereinafter, also referred to as the start end side) and extends to the vicinity of the first end portion 213c.

The through groove 220a communicates with the through hole 213, and the starting end side is open. The longitudinal width (length along the y-axis) of the through groove 220a is formed so that at least the needle tube 522 can be inserted and the needle base 521 cannot be inserted. The through groove 220a is provided to allow the needle tube 522 to escape so that the needle tube 522 does not hinder the screwing opening.

As shown in FIG. 2A, the projection group 230 is arranged from a predetermined position of the first terminal end portion 213c to a predetermined position of the side portion 213b of the through hole 213 with a predetermined space therebetween, and FIGS. 2B and 2C. As shown in FIG. 5, each one is a group of a plurality of rod-shaped members extending in the height direction (direction along the z axis) of the main body 210.

By the projection group 230, a portion extending from a predetermined location of the first terminal end portion 213c to a predetermined location of the side portion 213b is sandwiched between the protrusion of the projection group 230 by the rod-shaped member, one rod-shaped member and the rod-shaped member adjacent thereto. It has a concavo-convex shape in which the concave portions are alternately and continuously arranged.

This uneven shape corresponds to the uneven shape of the outer peripheral surface of the needle base 521 by the groove 521a described above, and the above-mentioned site where the projection group 230 is formed and the outer peripheral surface of the needle base 521 are rack and pinion. Have a relationship.

That is, when the user holds the syringe 51 and inserts the syringe 5 into the through hole 213 from the side of the syringe 51, a part of one of the protrusions (for example, a rod-shaped member of the protrusion group 230). ) Enters into the other part of the concave part (eg, part of the groove 521a).

In this state, when the syringe 5 is rotated counterclockwise or moved along the through hole 213 as described later, relative movement between the projection group 230 and the injection needle 52 occurs. The rod-shaped member of the projection group 230 in the groove 521a presses the convex portion of the adjacent injection cylinder 51 in the direction in which the screw engagement between the injection needle 52 and the injection cylinder 51 is released. As this operation continues, as a result, relative rotation occurs between the injection cylinder 51 and the injection needle 52, and the screw engagement is released.

The projection group 230 is divided into two groups, a first projection group 230a and a second projection group 230b, depending on the function (site) for releasing the screw engagement.

The first projection group 230a is a portion for loosening the screwing of the injection cylinder 51 and the injection needle 52 to some extent (that is, starting screwing open) in order to make the operation of screwing open more smoothly. The second protrusion group 230b is a portion that further releases the screw engagement loosened by the first protrusion group 230a (that is, advances screw engagement release).

More specifically, the syringe 5 inserted into the through hole 213 has a strong axial force (also referred to as tension), which requires a large force to release the screw engagement. There is a possibility that the operation of unthreading by the projection group 230b becomes difficult.

Therefore, as a pre-stage of the screw opening by the second projection group 230b, the screwing of the injection cylinder 51 and the injection needle 52 was loosened to some extent by the first projection group 230a, and then the second projection group 230b was loosened. Loosen the screw further.

It is desirable that the rigidity of the first projection group 230a, which tends to be loaded, be higher than that of the second projection group 230b. To increase the rigidity, for example, the first protrusion group 230a may be formed to be thicker, formed of a material having higher rigidity, or formed in a shape that facilitates the rigidity.

The first protrusion group 230a is within a range in which the center angle of the virtual circle is approximately 90 degrees or less when the first terminal end portion 213c is assumed to be part of the circumference (for example, half circumference) of the virtual circle. The projection group 230. Here, as an example thereof, the projection group 230 starts from a substantially central portion of the first end portion 213c of the through hole 213 and extends halfway around the first end portion 213c toward the side portion 213b.

If the first projection group 230a is provided over the entire length of the first terminal end portion 213c, the groove 521a of the injection needle 52 may be locked, and the syringe 5 may not be able to move freely. The group 230a is arranged such that it does not lock.

The second protrusion group 230b is a portion of the protrusion group 230 other than the first protrusion group 230a. b Note that the division of the first protrusion group 230a and the second protrusion group 230b is not limited to this embodiment, and may be appropriately changed as necessary.

As shown in FIG. 2B, of the first protrusion group 230a and the second protrusion group 230b, at least the end portion of the first protrusion group 230a (the tip portion facing the syringe 5 as shown in FIG. 2B) is When the syringe 5 is inserted into the through hole 213, it is rounded to reduce the resistance with the tip of the groove 521a.

When the main body 210 is viewed in plan from above as shown in FIG. 2A, the claw portion 240 starts near the end side of the partition plate 220 in the side portion 213a of the through hole 213 and passes through the second end portion 213d. It is a brim-shaped (also called flange-shaped) protrusion that extends to the vicinity of the terminal end side of the partition plate 220 in the side portion 213b. In addition, the claw portion 240 is located in the upper portion within the through hole 213, as shown in FIGS. 2B and 2C.

Thus, one claw 240 is formed in the through hole 213, but one claw 240 is formed on the side part 213a, one second end part 213d, and one side part 213b. Etc. may be provided separately.

As shown in FIG. 2C, an inclined portion 240 a is formed on the surface of the tip end side of the claw portion 240 facing the bottom surface of the storage box 10. In FIG. 2C, only the claw portion 240 on the side portion 213b is illustrated, but the inclined portion 240a is similarly formed on the tip end side of the claw portion 240 on the side portion 213a.

Although the details will be described later, the inclined portion 240a enters the gap between the injection cylinder 51 and the injection needle 52 generated by the screwing release by the second projection group 230b, and moves the injection needle 52 downward (bottom direction of the housing box 10). By pressing, the injection needle 52 assists so that the injection needle 52 is easily dropped from the injection cylinder 51.

Therefore, the inclined portion 240a is inclined so as to approach the bottom surface of the storage box 10 toward the second terminal portion 213d side.

As shown in FIG. 1, the lid 30 includes at least a locking portion 310 and a through hole closing portion 320. The lid 30 covers the storage box 10 and the needle take-up portion 20 from above.

The locking portion 310 is provided at a predetermined position on the end portion of the lid 30, and is provided to fix the lid 30 closed when the injection needle removal container 1 is not used to the accommodation box 10 or the needle removal portion 20. Be done. The accommodation box 10 or the needle take-up portion 20 is provided with a lock receiving portion 310a corresponding to the lock portion 310.

The through hole closing portion 320 is a plate-shaped member that penetrates into the portion of the through hole 213 where the partition plate 220 is not formed when the lid 30 is closed. The through-hole closing part 320 closes the through-hole 213 when the lid 30 is closed, and when the injection needle removal container 1 falls down or is upside down, the use is accommodated in the accommodation box 10. The completed injection needle 52 is effectively prevented from coming out of the through hole 213.

In the injection needle removal container 1 configured as described above, as shown in FIG. 3, a user who has finished using the syringe 5 while holding the injection cylinder 51 (also referred to as a grip) with the needle tube 522 down, The syringe 5 is inserted into the through hole 213 from the first end portion 213c side. The inserted syringe 5 is received by the partition plate 220, and a part of the groove 521a of the needle base 521 meshes with the first projection group 230a.

Next, the user turns the entire syringe 5 counterclockwise around the longitudinal direction (z-axis direction) of the syringe 5. Then, while the rotation of the injection needle 52 is stopped by the first projection group 230a, the injection cylinder 51 rotates counterclockwise (that is, both rotate relatively). As a result, the screwing is loosened (the screwing opening is started).

After this, the user moves the syringe 5 in the lateral width direction (x-axis direction) toward the second end portion 213d. Then, while the syringe barrel 51 is being fixed by the user's grip, the second projection group 230b causes the injection needle 52 to rotate in the clockwise direction (that is, both rotate relatively). As a result, the screw engagement is further released.

In the process of releasing the screw engagement, one of the injection needle 52 and the injection cylinder 51 is removed from the other, and a gap C is gradually formed between the injection cylinder 51 and the injection needle 52.

When the syringe 5 is further moved, the claw portion 240 enters the formed gap C, the injection needle 52 is pressed toward the bottom surface of the housing box 10 by the inclined portion 240a, and the gap C expands. In addition, it is desirable that the screwing has been released at the time when the claw portion 240 enters the formed gap C, or immediately before or immediately after that.

The positional relationship between the syringe 5 and the claw 240 when the claw 240 is inserted into the formed gap C is as shown in FIG. 4 when viewed from the AA cross section of FIG. 2A. Note that, in FIG. 4, both the claw portion 240 on the side portion 213a and the claw portion 240 on the side portion 213b are inserted into the formed gap C, but if one claw portion 240 can be inserted, the other claw portion is inserted. The part 240 may not be included. That is, the distance between the claw portions 240 may be larger than that shown in FIG.

When the syringe 5 is finally moved until it comes into contact with the second terminal end portion 213d or before the second terminal end portion 213d and is further pulled upward, the injection needle 52 is pressed by the claw portion 240. Only the injection cylinder 51 is pulled out. In this way, the injection cylinder 51 and the injection needle 52 are separated, and the injection needle 52 falls and is stored in the storage box 10.

Even if the syringe 5 is not pulled out upward, the screwing may be released, so that the injection cylinder 51 and the injection needle 52 may be naturally separated.

As described above, the injection needle removing container 1 according to the first embodiment includes the injection needle portion (injection needle 52) having the injection needle (needle tube 522) and the holding portion (which is screwed to the injection needle portion). An injection needle removal container for removing the injection needle part from a syringe (syringe 5) provided with an injection cylinder 51), wherein the injection needle removal container has a through hole (penetration) into which at least the injection needle part in the screwed state is inserted. The hole 213) is arranged at one end side (opening side of the storage box 10), and the box-shaped storage section (storage box 10) for storing the injection needle section removed from the holding section, and the through hole. A first portion provided at a first portion (first terminal end portion 213c) and contacting the injection needle portion inserted into the through hole to release the screw engagement by relative rotation with the injection needle portion. The screw opening portion (first projection group 230a) and the second portion (side portion 213b) in the through hole, which is different from the first portion, are provided and move relative to the injection needle portion. And a second screwing opening portion (second protrusion group 230b) for releasing the screwing.

In the injection needle removal container 1, in order to make the operation of unscrewing the injection cylinder 51 and the injection needle 52 by the second projection group 230b smoother, the first projection group 230a is preliminarily provided as the preceding stage. The screwing of 51 and the injection needle 52 is loosened, and then the screwing of the second projection group 230b is further loosened. As a result, the screwing of the injection cylinder 51 and the injection needle 52 is completely opened. Finally, the unthreaded injection needle 52 falls into the accommodation box 10 and is accommodated therein.

That is, in the injection needle removing container 1, the screwing of the injection cylinder 51 and the injection needle 52 can be released, the injection needle 52 can be removed from the injection cylinder 51, and can be accommodated in the accommodation box 10. At this time, the user only has to carry out the screw release process while holding the injection cylinder 51 and does not need to touch the injection needle 52, so that it is possible to effectively suppress the injury of the needle tube 522, for example. It's safe.

In short, in the injection needle removing container 1, the injection needle 52 can be safely removed from the injection cylinder 51 in the syringe 5 in which the injection cylinder 51 and the injection needle 52 are screwed together.

Further, since the injection needle removal container 1 only needs to insert the syringe 5 into the through hole 213 and move it, for example, even an elderly person, a person with poor visual acuity, or a person who is not accustomed to handling the syringe 5 can easily perform it. Can be used safely.

In the injection needle removing container 1 of the first embodiment, the first screwing opening portion (first projection group 230a) and the second screwing opening portion (second projection group 230b) have a plurality of rod shapes. The rod-shaped member group includes a member group, and the rod-shaped member groups are arranged in the through hole (through hole 213) side by side with a predetermined gap therebetween.

With this arrangement, the first projection group 230a, the second projection group 230b, and the groove 521a of the needle base 521 have a rack-and-pinion relationship, and the screw engagement can be stably released. ..

The injection needle removal container 1 according to the first embodiment has a third inside of the through hole that is different from the first portion (first end portion 213c) and the second portion (a part of the side portion 213b). The holding portion (injection cylinder 51) and the injection needle portion (injection needle 52) that are provided in a portion (the second end portion 213d, the other portion of the side portion 213b, the side portion 213a, etc.) and that are generated during the opening of the screw engagement. It is characterized by further comprising at least one claw part (claw part 240) inserted in the gap C between the claw and the claw part.

In the injector 5 of the first embodiment, one end side of the needle tube 522 projects toward the injection cylinder 51 in the needle base 521 and pierces the spongy member S arranged on the distal end side of the injection cylinder 51. In this configuration, the needle tube 522 may not come off from the spongy member S and the injection cylinder 51 and the injection needle 52 may not be separated by simply opening the screw.

In the injection needle removing container 1, as described with reference to FIG. 3, since the injection cylinder 51 can be pulled out from the injection needle 52 by pressing the claw portion 240, the needle tube 522 can be sponge-like if the screwing is temporarily released. Even if the injection cylinder 51 and the injection needle 52 are not separated without coming off from the member S, the injection cylinder 51 can be finally pulled out from the injection needle 52 to be separated. That is, the claw portion 240 can improve the reliability of the separation.

In the injection needle removal container 1 according to the first embodiment, the claw portion (claw portion 240) has the gap C between the injection needle portion (injection needle 52) and the holding portion (injection cylinder 51). It is characterized in that it is provided with a pressing portion (inclined portion 240a) for pressing in the opening direction.

The inclined portion 240a presses either the injection needle 52 or the injection cylinder 51 in the direction in which the gap C opens, so that the certainty of separation can be further improved.

The injection needle removing container 1 of the first embodiment further includes a partition part (partition plate 220) that partially partitions the through hole (through hole 213) and the housing part (housing box 10). To do.

Further, the injection needle removing container 1 of the first embodiment is characterized by further including a lid body (through hole closing portion 320 of the lid 30) that closes the through hole (through hole 213).

By partially partitioning the through-hole 213 and the storage box 10 or closing the through-hole 213, for example, when the injection needle removal container 1 falls down or is upside down, the use stored in the storage box 10 It is possible to effectively suppress the completed injection needle 52 from coming out of the through hole 213.

(Second embodiment)
The present invention is not limited to the above-described structures and shapes, and can be embodied with appropriate design changes without departing from the gist thereof.

The injection needle removal container 2 according to the second embodiment of the present application is shown in FIGS. 5 to 7. FIG. 5 is a perspective view of the injection needle removal container according to the second embodiment. FIG. 6 is a schematic view showing a part of the AA cross section of FIG. 5 and a part of the syringe. FIG. 7 is a schematic diagram showing a method of using the injection needle removal container according to the second embodiment. Note that FIG. 7 shows a part of the BB cross section of FIG. 5.

In the following description, the components corresponding to those of the injection needle removing container 1 according to the first embodiment will be denoted by the same reference numerals as those in the first embodiment, and the description thereof will be omitted unless necessary.

The injection needle removing container 2 is a container for discarding an injection needle, which is provided with a moving part 250 which will be described later, and which can improve the stability of opening of screwing.

As shown in FIG. 5, the injection needle removing container 2 includes a housing box 10, a needle removing section 20, a lid 30, a moving section 250, and a claw section 260. Compared to the injection needle removal container 1 of the first embodiment, the injection needle removal container 2 is a slim type having a substantially rectangular parallelepiped shape, and the lid 30 is also rotatably provided on the short side of the storage box 10. ing. Further, the lid 30 is formed with a housing portion 31 corresponding to the shape of the moving portion 250. In this way, the shape and mounting method of each part can be changed as appropriate.

A pair of moving grooves 214 is provided in the main body 210 of the needle remover 20.

The pair of moving grooves 214 are provided on the surface 210 a of the main body 210, face each other with the through hole 213 interposed therebetween, and are parallel to the through hole 213. The moving part 250 is attached to the pair of moving grooves 214 so as to be movable back and forth along the pair of moving grooves 214 and to straddle the through hole 213.

As shown in FIG. 6, the moving section 250 includes a plate-shaped base section 251 and a substantially cylindrical body section 252 protruding from the base section 251. The moving portion 250 is formed with a through hole 250a which penetrates the base portion 251 and the body portion 252 and communicates with the through hole 213.

A pair of leg portions 253 extending toward the storage box 10 are provided at both ends of the base portion 251, and are inserted into the pair of movement grooves 214, respectively. The tip ends of the pair of leg portions 253 are widened inside the pair of movement grooves 214 and function as a stopper.

The syringe 5 is inserted into the through hole 250a. The vertical width (length in the y-axis direction) of the through hole 250a is formed longer than the through hole 213, and is longer than the width of the syringe 5, so that the user can easily insert the syringe 5 into the through hole 250a. Can be inserted.

In this embodiment, the edge of the through hole 213 of the main body 210 is inclined downward toward the inside of the through hole 213 and guides the syringe 5 inserted into the through hole 250a into the through hole 213. (Hereinafter, this inclined portion is referred to as an inclined portion 210b). The syringe 5 can be smoothly inserted into the through hole 213 without being caught by the edge of the through hole 213 by the inclined portion 210b.

As shown in FIG. 7, the claw portion 260 is formed with an inclined portion 260a. The claw portion 260 corresponds to the claw portion 240 of the first embodiment, and the inclined portion 260a is a modified example in which the formation position of the inclined portion 240a is different.
Compared with the inclined portion 240a (see FIG. 3), the inclined portion 260a is inclined in the opposite direction to the inclined portion 240a (that is, the inclined portion 260a becomes farther from the bottom surface of the storage box 10 toward the second terminal portion 213d side). The inclined portion 240a is also on the lower surface side of the claw portion 240 (the surface side facing the bottom surface (not shown) of the storage box 10), while the inclined portion 260a is the upper surface of the claw portion 260. It is formed on the side (the side opposite to the bottom surface of the storage box 10).

The inclined portion 260a enters the gap C between the injection cylinder 51 and the injection needle 52, which is generated by the screwing release by the second projection group 230b, and presses the injection cylinder 51 upward (in the direction opposite to the bottom surface of the housing box 10). , Assists the injection needle 52 to easily fall off the injection cylinder 51.

In the injection needle removing container 2 configured as described above, as shown in FIG. 7, the user who has finished using the injector 5 sets the moving unit 250 to the first terminal end 213c. Then, the syringe 5 is inserted into the through hole 250a of the moving portion 250 while the needle tube 522 is held down while holding the syringe barrel 51. The inserted syringe 5 passes through the moving part 250 and enters the through hole 213. The syringe 5 that has entered the through hole 213 is received by the partition plate 220, and a part of the groove 521a of the needle base 521 meshes with the first projection group 230a.

The moving part 250 may be provided with a receiving part that receives the syringe 5 at a predetermined position of the through hole 250a. In this case, the syringe 5 is mounted on the receiving portion, and a part of the groove 521a of the needle base 521 meshes with the first projection group 230a. The groove 521a of the needle base 521, the first projection group 230a, and the second projection group 230b can be stabilized by the receiving section that receives them.

Similarly to the first embodiment, when the user rotates the injector 5 in the direction in which the screw engagement between the injection cylinder 51 and the injection needle 52 is released, the first projection group 230a of the projection group 230 causes The screwing of the injection cylinder 51 and the injection needle 52 is loosened.

After that, when the user moves the moving part 250 together with the syringe 5 toward the second terminal end part 213d in the lateral width direction (x-axis direction), the second protrusion group 230b of the protrusion group 230 causes the syringe barrel 51 and the injection needle 52 to move. The screwing with is released further.

Then, the claw portion 260 enters the gap C formed in the process of releasing the screw engagement, and the inclined portion 260a pushes the injection needle 52 upward (in the direction opposite to the bottom surface of the housing box 10) to enlarge the gap. I will do it.

Finally, the moving part 250 together with the syringe 5 is moved until it comes into contact with the second end part 213d or before the second end part 213d, and then when the syringe 5 is moved so as to be pulled out upward, the injection needle 52 is pressed by the claw 260 and only the injection cylinder 51 is pulled out. In this way, the injection cylinder 51 and the injection needle 52 are separated, and the injection needle 52 falls and is stored in the storage box 10.

The injection needle removing container 2 according to the second embodiment is provided on the through hole (through hole 213), and is connected to the through hole, and the second through hole (through hole) into which the injector (syringe 5) is inserted. It is characterized by further comprising a moving part (moving part 250) having a hole 250a and moving back and forth along the through hole (through hole 213).

By providing the moving part 250, the user does not have to be aware of which part of the through hole 213 the syringe 5 should be inserted into, and the convenience of the injection needle removal container 1 is improved.

Further, by providing the moving part 250, the user can move the inside of the through hole 213 while easily holding the syringe 5 vertically. Keeping the syringe 5 vertical leads to stabilizing the contact between the first projection group 230a and the second projection group 230b. The stable contact allows smooth movement of the syringe 5 in the through hole 213 and smooth opening of the screw.

Further, by providing the moving portion 250, it is possible to properly maintain the contact position between the first protrusion group 230a and the second protrusion group 230b (the distance between the first protrusion group 230a and the second protrusion group 230b). it can. This also makes it possible to smoothly move the inside of the through hole 213 of the syringe 5 and smoothly open the screw.

(Modification 1)
The present invention is not limited to the above-described embodiments, and various modifications and changes can be made. For example, the injection needle removal container 1 may be provided with a discarding lock mechanism used when discarding the used injection needle 52 together with the injection needle removal container 1. Hereinafter, with reference to FIGS. 8 to 10, an injection needle removal container 1a according to the first modification including a discarding lock mechanism will be described. In the following description, configurations corresponding to those in the first and second embodiments will be assigned the same reference numerals and detailed description thereof will be omitted.

First, the configuration of the injection needle removal container 1a according to the first modification will be described with reference to FIGS. FIG. 8 is a perspective view of the injection needle removal container 1a according to the first modification. FIG. 9 is an enlarged perspective view showing a part of the injection needle removal container 1a. More specifically, FIG. 9A is an enlarged perspective view showing the locking notch portion 410 of the storage box 10, and FIG. 9B is an enlarged perspective view of the locking plate 420 of the lid 30. FIG.

As shown in FIG. 8, the locking notches 410 are formed on each of the short sides 10a on both sides of the storage box 10, but in FIG. The notch 410 is illustrated. Similarly, one locking plate 420 is also formed on each of the short side portions 30a on both sides of the lid 30, but in FIG. 9B, the locking plate 420 on the near side is illustrated.

As shown in FIG. 8, the accommodation box 10 and the lid 30 of the injection needle removal container 1a are respectively formed with a locking notch 410 and a locking plate 420 that function as a discarding lock mechanism 400.

As shown in FIG. 9A, the locking notch portion 410 is provided on the short side portion 10a of the housing box 10, and the retaining projection 412 and the retaining projection 412 are sandwiched in the space 411. A pair of locking claws 413 facing each other are arranged.

The pair of locking claws 413 includes a first side surface 413a extending in the y-axis direction and a second side surface 413b extending obliquely from the first side surface 413a so as to be separated from the retaining projection 412.

As shown in FIG. 9B, the locking plate 420 is formed on the short side portion 30 a so that a part thereof projects so as to reach the locking notch 410 when the lid 30 is closed.

The locking plate 420 is formed with a through hole 420a into which the retaining projection 412 of the storage box 10 is inserted.

A part of the lid 30 in contact with both ends of the locking plate 420 is thinly formed so as to have a thickness equal to or less than the thickness of the locking plate 420, and a through hole 30c is formed in this part. It is formed (hereinafter, a part of the lid 30 is referred to as a thin portion 30b).

Next, the operation and effect of the discard lock mechanism 400 will be described with reference to FIG. FIG. 10 is a diagram for explaining the operation and effect of the discard lock mechanism 400. More specifically, FIG. 10A is a partial cross-sectional view of the injection needle removal container 1 with the lid 30 closed. FIG. 10B is a partially enlarged view of the locking notch portion 410 and the locking plate 420 when viewed in plan from the z-axis direction. FIG. 10C is a partially enlarged view showing a state after the locking plate 420 shown in FIG. 10B has been moved.

When the user carries the injection needle removal container 1a within the normal use range, the user uses the locking portion 310 and the locking receiving portion 310a shown in FIG. When discarding the container 1 a, the lid 30 is fixed to the storage box 10 using the discard lock mechanism 400.

At this time, as shown in FIG. 10A, the user (discarder) first closes the lid 30, and then pushes the locking plate 420 in the x-axis direction. Then, the locking plate 420 rotates about the base portion 420b of the locking plate 420 along the x-axis (hereinafter, simply referred to as "moving").

As shown in FIG. 10B, in the state before the locking plate 420 is pushed in, there is a pair of locking claws 413 in the moving direction of the locking plate 420, which is a resistance against the movement. By forming the locking plate 420 with a resin having flexibility (for example, plastic), the locking plate 420 moves while the contact portion with the pair of locking claws 413 is deformed, and FIG. As shown in FIG. It should be noted that when the locking plate 420 moves, the thin portion 30b of the lid 30 shown in FIG. 9b is torn or deforms following the locking plate 420, thereby expanding the movable range of the locking plate 420. Then, the state becomes suitable for overcoming the pair of locking claws 413.

When the locking plate 420 moves over the pair of locking claws 413, the retaining projection 412 is inserted into the through hole 420a. Even if a force is applied in the opening direction of the lid 30 by inserting the retaining projection 412 into the through hole 420a, the retaining projection 412 contacts the locking plate 420 as shown in FIG. 10A. The lid 30 does not open.

The space 411 beyond the pair of locking claws 413 is narrowed by the second side surfaces 413b of the pair of locking claws 413, and the locking plate 420 after the movement has the first side of the pair of locking claws 413. It is locked by contacting the second side surface 413b. Even if a force that causes the locking plate 420 to return from the state shown in FIG. 10(c) to the state shown in FIG. 10(b), the pair of locking claws 413 become resistance and the state returns. It is preferably suppressed.

As a result, the lid 30 is firmly locked to the storage box 10, and during transportation of the injection needle removal container 1a, for example, the lid 30 is opened, and the used injection needle 52 comes out of the injection needle removal container 1. It is possible to suitably suppress such a situation. Therefore, the safety at the time of discarding the injection needle removal container 1a can be suitably improved.

(Other modifications)
The present invention is not limited to the above-described respective embodiments and the first modification, and various modifications and changes can be made. For example, the configurations of the above-described embodiments may be appropriately combined, or some configurations may be excluded.

For example, the injection needle removal container 1 and the injection needle removal container 2 are arranged so as to be able to open the screwing of a syringe of which the screwing direction is opposite to the above-mentioned injection needle 52 (so-called reverse screw structure). You may comprise. More specifically, for example, as shown in FIG. 2A, when the injection needle removal container is viewed from above in plan view, the formation location of the projection group 230 is reversed about the virtual line B-B as an axis to form the second projection. The group 230b may be provided on the side portion 213a of the through hole 213, and the first protrusion group 230a may be arranged correspondingly to face the side portion 213a from the first terminal end portion 213c (also the needle removal container 2). As well).

Further, in each of the above-described embodiments, the first projection group 230a and the second projection group 230b are rod-shaped members, but the needle base 521 is not limited to the projection shape and may be, for example, flat as long as the needle base 521 is rotatable. You may use plate-shaped rubber etc. In this case, the needle base 521 is rotated by the frictional force acting between the flat surface of the rubber and the needle base 521 to release the screw engagement with the injection cylinder 51. Of course, the material for rotating the needle base 521 is not limited to rubber.

As described above, the present invention can provide an injection needle removal container suitable for safely removing the injection needle from the injection cylinder in the syringe in which the injection cylinder and the injection needle are screwed together.

1: Injection needle removal container 1a: Injection needle removal container 2: Injection needle removal container 5: Syringe 10: Storage box 10a: Short side portion 20: Needle removal portion 30: Lid 30a: Short side portion 30b: Thin portion 30c: Penetration Hole 31 :Accommodating portion 51 :Injection barrel 52 :Injection needle 210 :Main body 210a :Front surface 210b :Inclined portion 211 :Flat plate portion 212 :Wall portion 213 :Through hole 213a :Side portion 213b :Side portion 213c :First end portion 213d: second end portion 214: moving groove 220: partition plate 220a: through groove 230: protrusion group 230a: first protrusion group 230b: second protrusion group 240: claw portion 240a: inclined portion 250: moving portion 250a : Through hole 251: Base part 252: Body part 253: Leg part 260: Claw part 260a: Inclined part 310: Locking part 310a: Lock receiving part 320: Through hole closing part 400: Locking mechanism 410 for discarding: Locking Notch 411: space 412: retaining projection 413: locking claw 413a: first side surface 413a: first side surface 413b: second side surface 420: locking plate 420a: through hole 420b: base portion 521: needle base 521a: Groove 522: Needle tube C: Gap G1: Groove G2: Groove S: Spongy member

Claims (7)

In an injection needle removal container for removing the injection needle part from a syringe provided with an injection needle part having an injection needle and a holding part screwed with the injection needle part,
The needle removal container is
At least a through hole into which the injection needle portion in the screwed state is inserted is arranged on one end side, and a box-shaped storage portion that stores the injection needle portion removed from the holding portion,
A first screwing provided at a first portion in the through hole, contacting the injection needle part inserted into the through hole and releasing the screwing by relative rotation with the injection needle part. Open part,
A second screwing opening portion which is provided at a second portion in the through hole different from the first portion and which opens the screw by relative movement with the injection needle portion. A needle removal container characterized by: The first screw-engagement opening portion and the second screw-engagement opening portion are configured by a plurality of rod-shaped member groups, and the rod-shaped member groups are arranged side by side at a predetermined interval in the through hole. The injection needle removal container according to claim 1, wherein: At least one that is provided in a third portion in the through hole different from the first portion and the second portion and is inserted into the gap between the holding portion and the injection needle portion that occurs during the opening of the screw engagement. The needle removal container according to claim 1 or 2, further comprising two claw portions. The injection needle according to any one of claims 1 to 3, wherein the claw portion includes a pressing portion that presses either one of the injection needle portion and the holding portion in a direction in which the gap is opened. Removal container. It is characterized by further comprising a moving part which is provided on the through hole, has a second through hole which communicates with the through hole and into which the syringe is inserted, and which moves forward and backward along the through hole. The injection needle removal container according to any one of claims 1 to 4. The injection needle removal container according to any one of claims 1 to 5, further comprising a partition part that partially partitions the through hole and the housing part. The needle removal container according to any one of claims 1 to 5, further comprising a lid that closes a part of the through hole.

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