JP5394520B2 - Needle waste box - Google Patents

Description

  The present invention relates to a syringe waste box for separating a used needle unit from a syringe body of a syringe and storing the separated needle unit safely.

  Usually, a needle unit with a used injection needle used for blood collection or infusion is attached to the patient's blood or body fluid. If the needle unit is accidentally touched, it may cause infections due to a stinging accident. There is. Thus, used needle units are carefully handled as medical waste.

  However, if the used syringe is stored in the disposal box as it is, there is a problem that the disposal box is immediately filled. Also, medical waste containing used needle units is particularly expensive because it contains sharps, and it is desirable to separate the needle unit from the syringe and discard only the needle unit. ing.

  Therefore, for example, as shown in Patent Documents 1 to 3, a used syringe is separated into a syringe body and a needle unit, and only the needle unit is put into a syringe waste box, and this syringe needle waste box is sharpened. Are disposed of as medical waste.

  Patent Documents 1 and 2 show the registered design of the lid part of the syringe needle disposal box by the applicant, and the needle unit used for blood collection and the winged needle used for infusion are put into the syringe needle disposal box. can do.

  There are various types of syringes for medical use depending on the application. In addition to general-purpose syringes for blood collection, syringes with winged needles used for infusions, and other self-injections of insulin and growth hormone. Pen-type syringes used for the above are also widely used.

Design Registration No. 1263856 Design Registration No. 1321996 JP 2009-219833 A JP 2007-29747 A

  As shown in Patent Documents 1 and 2, there are many conventional syringe needle disposal boxes corresponding to general-purpose syringes used for blood collection and the like. However, there are few injection needle disposal boxes corresponding to pen-type injectors, and Patent Document 3 discloses a medical waste container corresponding to pen-type injectors, but safety problems and the like have not been solved.

  By using the medical waste container shown in Patent Document 3, the needle unit covered with the needle case can be separated after the needle case is attached to the needle unit of the used pen-type syringe. However, it is troublesome to attach the needle case to the used needle unit, which is dangerous. In addition, although the tip of the injection needle is protected by a needle case, the injection needle inserted into the syringe body remains exposed, and the needle unit is held by hand with a portion of such injection needle exposed. Therefore, it has to be thrown into the input of the disposal box, which has a safety problem.

  Moreover, in the waste container for injection needles shown in patent document 4, holding | maintaining an injection needle holder in an insertion hole is disclosed. In this Patent Document 4, in order to drop the injection needle holder into the waste container, when the used injection needle is discarded next time, the injection needle holder held in the insertion hole is dropped by some means. ing.

  Therefore, in this syringe needle waste container, a syringe needle holder with one end of the syringe needle exposed is held on the upper surface of the syringe needle waste container until the next used syringe needle is generated. Therefore, there is a possibility that a stab accident such as touching with a finger by carelessness may occur.

  The object of the present invention is to solve the above-mentioned problems, safely separate a used syringe from a pen-type syringe into a syringe body and a needle unit, and store it immediately after separation without touching the separated needle unit by hand. It is an object of the present invention to provide a disposal box for a needle.

In order to achieve the above object, a syringe waste box according to the present invention covers a container body that houses a needle unit of a disposable pen-type syringe, a lid disposed on the container body, and covers the lid. An openable / closable closing member, and the lid portion is provided with an insertion hole portion for inserting the needle unit, and the insertion hole portion is provided with a rotation restricting portion for restricting the rotation of the needle unit. , said push portion is pushed from above into the insertion hole portion on the lower surface of the closure member is provided, the needle unit is inserted into the insertion hole portion, the syringe while restricting the rotation of the needle unit by the rotation restricting portion Rotating the main body, separating the needle unit from the syringe main body in a state where the needle unit is inserted into the insertion hole, closing the closing member and bringing the pushing portion into contact with the needle unit, Needle unit Wherein the dropping from the insertion hole into the container body is pushed towards.

  By using the needle disposal box according to the present invention, the syringe body and the needle unit can be safely separated from the used pen-type syringe without using the needle case, and only the separated needle unit can be safely stored. be able to.

It is a perspective view of the disposal box for injection needles in the state where the closing member is opened. It is a disassembled perspective view of a pen type syringe. It is a perspective view of the state which removes the needle unit of a pen type syringe with the disposal box for injection needles. It is a perspective view of the state which isolate | separated the syringe main body and needle unit of a pen type syringe with the disposal box for injection needles. It is a perspective view of the waste box for injection needles in the process of closing the opening member. It is a perspective view of a cap type syringe. It is a perspective view of the state which removes the needle unit of a cap type syringe with the disposal box for injection needles. It is a perspective view of a lock type syringe. It is a perspective view of the state which removes the needle unit of a lock type syringe with the disposal box for injection needles. It is a perspective view of the state which discards the winged needle with a tube in the disposal box for injection needles. It is a perspective view of the disposal box for injection needles in the state of closing the opening and closing member.

The present invention will be described in detail based on the embodiments shown in the drawings.
FIG. 1 shows a perspective view of a syringe waste box according to the present embodiment. For example, a synthetic resin lid 2 is fitted and attached to the upper surface of a synthetic resin container body 1 such as polypropylene. Yes. The lid 2 is not detachable from the container body 1 and may not be separable. An insertion hole portion 3 for inserting and removing a needle unit of a pen-type syringe used for self-injection of insulin, growth hormone or the like is formed on the upper surface plate of the lid portion 2. And the single or several protrusion 3a is provided as a rotation control part along the up-down direction of the inner wall of this insertion hole part 3. As shown in FIG.

  Further, a hole 4 for removing the needle unit from a general-purpose type cap type or lock type syringe widely used for blood collection, vaccination or the like is perforated on the upper surface plate of the lid 2. A round hole 4a is provided at the center of the hole 4, and U-shaped rectangular parts 4b and 4c are provided on both sides thereof. The lower surfaces 4d on both sides of the rectangular portion 4b are inclined downward toward the tip, but the plate thickness on both sides of the rectangular portion 4c is constant. Further, the lid 2 is provided with a discarding port 5 composed of a large opening for discarding a winged needle with a tube used for infusion or the like together with the tube.

  A closing member 6 for covering the lid portion 2 is attached to the side portion of the lid portion 2 through a hinge so as to be opened and closed. At the front end of the closing member 6, a locking claw 6 a that locks in a locking groove 2 a provided in the lid 2, and a bendable 2 for fitting in a locking groove 2 b of the lid 2. One locking claw 6b is provided. Further, a pressing portion 6 c having a cross-shaped tip protrudes from the lower surface of the closing member 6, and when the closing member 6 is closed, the pressing portion 6 c is positioned in the insertion hole portion 3 of the lid portion 2. Has been.

  FIG. 2 is an exploded perspective view of the pen-type syringe, and this pen-type syringe is composed of a syringe body 11 and a needle unit 12. An outer screw 13 is engraved around the lower end of the syringe body 11. Inside the cylindrical base portion 14 made of a synthetic resin of the needle unit 12, a screw groove 15 to be screwed with the external screw 13 is formed, and a plurality of linear protrusions are formed on the outer peripheral surface of the base portion 14. 16 is formed in the vertical direction, and an injection needle 17 is vertically penetrated through the base portion 14.

  The base 14 is connected to the syringe body 11 by screwing the external screw 13 of the syringe body 11 and the thread groove 15 of the needle unit 12, and can be used as a syringe. That is, the upper end of the injection needle 17 is inserted into the syringe main body 11, and by pushing the injection button 18 of the syringe main body 11, a drug solution such as insulin in the syringe main body 11 is supplied to the outside through the injection needle 17.

  FIG. 3 shows a perspective view of the injection needle disposal box in a state where the used needle unit 12 of the pen-type syringe is removed, and the inner diameter of the insertion hole 3 is slightly smaller than the outer diameter of the base 14 of the needle unit 12. It has become. As described above, since the protrusion 3 a is formed in the vertical direction on the inner wall of the insertion hole portion 3, when the closing member 6 is opened and the needle unit 12 is inserted into the insertion hole portion 3 with the syringe body 11. The protrusion 3a of the insertion hole 3 restricts the protrusion 16 of the needle unit 12 in the rotational direction.

  After the needle unit 12 is inserted into the insertion hole 3, when the syringe body 11 is rotated as indicated by the arrow, the needle unit 12 is restricted from rotating and unscrewed. As shown in FIG. The syringe body 11 can be separated from In other words, the syringe body 11 can be removed while the needle unit 12 is inserted into the insertion hole 3.

  As described above, when the closing member 6 is closed as shown in FIG. 5 in a state where the separated needle unit 12 is inserted into the insertion hole 3, the pushing portion 6c comes into contact with the upper portion of the needle unit 12. Further, by closing the closing member 6, the needle unit 12 is pushed downward by the pushing portion 6 c and is released from the insertion hole portion 3 and falls into the container main body 1, so that the hand touches the needle unit 12 at all. Therefore, the needle unit 12 can be safely accommodated in the container body 1.

  After the closing member 6 is closed and the needle unit 12 is dropped, the closing claw 6a of the closing member 6 is locked in the locking groove 2a of the lid portion 2 so that the closing of the closing member 6 is maintained. . When opening the closing member 6, the locking claw 6a may be moved to release the locking.

  The needle unit 12 is disposable for each injection, but the syringe body 11 can be used repeatedly by attaching a new needle unit 12 to the same patient.

  FIG. 6 is an exploded perspective view of a general-purpose cap-type syringe, which is composed of a syringe body 21 and a needle unit 22. The distal end portion of the syringe main body 21 is provided with a taper portion 23 that becomes thinner as it goes to the distal end, and a hole portion 23a for allowing a drug solution to pass through is formed in the taper portion 23. In the needle unit 22, a taper hole 25 is provided at the center of the base portion 24 made of a synthetic resin and is fitted to the taper portion 23 of the syringe main body 21, and the injection needle 26 communicates with the taper hole 25 at the lower portion of the base portion 24. It is fixed. Further, the periphery of the base portion 24 has a square cross section, and a flange portion 27 is formed at the upper end portion. And by fitting the taper part 23 in the taper hole 25, the syringe main body 21 and the needle unit 22 are connected and can be used as a syringe.

  Since the lower surface 4d which is the back surface of the rectangular portion 4b of the hole portion 4 of the lid portion 2 is inclined downward as it is away from the round hole portion 4a as described above, as shown in FIG. The upper surface of the flange portion 27 is hooked on the lower surface 4d, and the syringe body 21 is moved in the arrow direction. Thereby, the needle unit 22 is extracted from the syringe main body 21 by the lower surface 4d, and the needle unit 22 falls into the container main body 1.

  FIG. 8 is an exploded perspective view of a general-purpose type locking syringe. Note that the needle unit used in the lock-type syringe can be used in common with the cap-type needle unit 22, and detailed description of the needle unit 22 is omitted.

  On the inner wall of the cylindrical portion at the tip of the syringe main body 31 of this lock type syringe, a thread groove portion 32 is formed. Then, the syringe body 31 and the needle unit 22 are connected by screwing the flange portion 27 which is a part of the screw of the needle unit 22 into the screw groove portion 32, and can be used as a syringe.

  When the needle unit 22 is removed from the used lock-type syringe, the rectangular base section 24 of the needle unit 22 is fitted into the rectangular portion 4c as shown in FIG. Thereby, when the syringe main body 31 is rotated in the direction of the arrow, the rotation of the needle unit 22 is restricted by the rectangular portion 4c, so that the screw engagement between the syringe main body 31 and the needle unit 22 can be removed. The separated needle unit 22 falls into the container main body 1 when moved to the round hole 4 a using the tip of the syringe main body 31.

  In the present embodiment, the rectangular portion 4c and the base 24 having a rectangular cross section are used to remove the needle unit 22. However, such a shape is not necessarily required.

  Moreover, as shown in FIG. 10, by using the discard port 5, for example, the winged needle 41 with a tube can be accommodated with the tube attached.

  Even after the needle unit 22 of the cap type and lock type syringe is separated, it is preferable to close the closing member 6. Even if the injection needle waste box falls down, the closing of the closing member 6 prevents the internal needle units 12 and 22, the winged needle 41 and the like from spilling out from the disposal port 5.

  Further, when the injection needle waste box is filled with the used needle units 12 and 22, the winged needle 41, etc., and the injection needle waste box itself is discarded, as shown in FIG. The two locking claws 6b provided on the lid 2 are bent and fitted into the locking grooves 2b on the upper surface of the lid 2, and the locking grooves 2a and the locking claws 6a of the closing member 6 are locked. The closing member 6 cannot be opened and closed, and can be safely discarded as it is.

  Although not shown in the present embodiment, the needle units 12 and 22 that have fallen into the container body 1 bounce off the bottom of the container body 1 below the dumping port 5 and jump out of the dumping port 5. In order to prevent this, the anti-bounce plate can be detachably attached to the diagonally downward direction as necessary.

  The disposal box for injection needles in this embodiment is provided with an insertion hole portion 3 and a hole portion 4 so that used syringe needles can be used in any type of pen-type syringe, general-purpose cap type, and lock-type syringe. Although it can be safely separated and accommodated, only the insertion hole 3 can be provided, and only the needle unit 12 of the pen-type syringe can be separated and accommodated.

DESCRIPTION OF SYMBOLS 1 Container main body 2 Lid part 2a Locking groove 2b Locking groove 3 Insertion hole part 3a, 16 Projection 4 Hole part 4a Round hole part 4b, 4c Rectangular part 4d Lower surface 5 Discarding port 6 Closing member 6a Locking claw 6b Locking Claw 6c Push-in part 11, 21, 31 Syringe body 12, 22 Needle unit 13 External screw 14, 24 Base 15 Screw groove 17, 26 Injection needle 23 Tapered part

Claims (4)

A container main body for storing a needle unit of a disposable pen-type syringe, a lid portion disposed on the upper portion of the container main body, and an openable / closable closing member for covering the lid portion. An insertion hole portion for inserting the unit is provided, a rotation restricting portion for restricting the rotation of the needle unit is formed in the insertion hole portion , and a pushing portion that pushes into the insertion hole portion from above on the lower surface of the closing member Provided,
The needle unit is inserted into the insertion hole, the syringe body is rotated in a state where the rotation of the needle unit is restricted by the rotation restricting part, and the needle unit is inserted in the insertion hole. Separating the needle unit from the syringe body;
An injection needle disposal box, wherein the closing member is closed, the pushing portion is brought into contact with the needle unit, the needle unit is pushed downward and dropped into the container body from the insertion hole portion.   The rotation restricting portion formed in the insertion hole portion is a single or a plurality of protrusions provided in the vertical direction on the inner wall of the insertion hole portion, and the plurality of protrusions provided in the needle unit are locked in the rotation direction. The disposal box for an injection needle according to claim 1, wherein:   The waste needle box according to claim 1 or 2, wherein the closing member is connected to the lid by a hinge.   The closing member is provided with a locking claw to be used at the time of disposal, and at the time of disposal, the locking claw is fitted into a locking groove provided in the lid portion to lock the closing member so that it cannot be opened and closed. The disposal box for injection needles as described in any one of Claims 1-3.

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