JP2017080096A - Injection needle separating structure - Google Patents

Injection needle separating structure Download PDF

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JP2017080096A
JP2017080096A JP2015211892A JP2015211892A JP2017080096A JP 2017080096 A JP2017080096 A JP 2017080096A JP 2015211892 A JP2015211892 A JP 2015211892A JP 2015211892 A JP2015211892 A JP 2015211892A JP 2017080096 A JP2017080096 A JP 2017080096A
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syringe
injection needle
separation structure
contact
insertion hole
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JP6860288B2 (en
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敦志 高橋
Atsushi Takahashi
敦志 高橋
康弘 東藤
Yasuhiro Todo
康弘 東藤
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As One Corp
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Abstract

PROBLEM TO BE SOLVED: To enable an injection needle to be surely separated from a syringe through a simple operation and to be stored in a disposal container when disposing of an injection syringe.SOLUTION: An injection needle separating structure 1 for separating an injection needle part 220 from a syringe 210 of an injection syringe 200 comprises: a recess part 120x that has an opening 1x into which the injection needle part is inserted; an abutting part 10 that has an abutting body portion 12 abutting on a circumference of an end surface 222 of the syringe 210 in a state where the injection needle part is inserted into the opening 1x; and a regulation part 20 that has a locking portion 23 which is fitted into a groove 221y of a cap part 221 in a state where the injection needle part 220 is inserted into the opening 1x. The abutting body portion 12 is located on this side with respect to the locking portion 23 along an insertion direction of the injection needle part 220.SELECTED DRAWING: Figure 5

Description

本発明は、ペン型注射器に例示される注射器のシリンジと注射針を分離させるのに用いられる注射針の分離構造に関する。   The present invention relates to a separating structure of a syringe needle used to separate a syringe and a syringe needle of a syringe exemplified by a pen-type syringe.

薬液の注射又は採血等に用いられる注射器は、注射針が鋭利物であること、及び使用後の注射針が注射の対象となる患者等の使用者の体液、血液等により汚染されていること、等の理由から、衛生上慎重な扱いが求められ、医療用廃棄物として一回きりの使用後は廃棄されるものとして扱われている。   Syringes used for injection of chemical liquids or blood collection, etc., the injection needle is sharp, and the used needle is contaminated with body fluid, blood, etc. of the user such as a patient to be injected, For this reason, it is required to be handled with care in sanitation and treated as medical waste that is discarded after a single use.

また、注射器は、ペン型注射器に代表されるように、薬液等が封入されるシリンジとシリンジの先端に結合する注射針が設けられた注射針部とから構成されることから、廃棄物の扱いをより安全に行う、あるいは廃棄物の容量の増大を抑制する等の理由から、廃棄時においてシリンジと注射針とを分離して廃棄容器に収容させることが行われている。とりわけ糖尿病患者においてはインスリンを自己注射又は家族の介護により注射することがあり、使用後のペン型注射器において注射針を安全且つ容易にシリンジから分離して廃棄する技術が求められている。   In addition, as represented by a pen-type syringe, the syringe is composed of a syringe in which a chemical solution or the like is sealed and an injection needle portion provided with an injection needle coupled to the tip of the syringe. For reasons such as performing safety more safely or suppressing an increase in the volume of waste, the syringe and the injection needle are separated and accommodated in a waste container at the time of disposal. In particular, in diabetic patients, insulin may be injected by self-injection or family care, and a technique for safely and easily separating the injection needle from the syringe and discarding it after use is required.

そのような技術の一例として、特許文献１においては、開口に挿入されたペン型注射器の注射針を少なくとも１つの歯により拘束することにより回転を規制して、注射針とペン型注射器とのねじ係合を解くようにしたペン型注射針用の開口が開示されている。かかる特許文献１の技術によれば、歯の拘束により注射針が固定された状態で注射器を回転させることにより注射針のねじ係合が解除され、開口と連通した容器内部に注射針を廃棄することできる、とされている。   As an example of such a technique, in Patent Document 1, the rotation of a pen-type syringe inserted in an opening is restricted by at least one tooth to restrict rotation, and the screw between the injection needle and the pen-type syringe is used. An opening for a pen-type injection needle adapted to disengage is disclosed. According to the technique of Patent Document 1, the screw engagement of the injection needle is released by rotating the syringe while the injection needle is fixed by tooth restraint, and the injection needle is discarded inside the container communicating with the opening. It is said that you can.

更に、特許文献２においては、シリンジに螺合した注射針部を安全に当該シリンジから分離し、直ちに収納することを目的として、挿入孔の周囲に注射針部の回転を規制する回転規制部と及び閉止時に挿入孔の直上に位置する押し込み部を有する閉止部材とを備えた注射針用廃棄箱が開示されている。かかる特許文献２の技術によれば、挿入孔に挿入された注射針部を、回転規制部により回転が規制された状態にてシリンジを回転させることにより当該シリンジとの螺合を解除する。   Further, in Patent Document 2, for the purpose of safely separating the injection needle portion screwed into the syringe from the syringe and storing it immediately, a rotation restricting portion for restricting the rotation of the injection needle portion around the insertion hole; And a closing box for a syringe needle provided with a closing member having a pushing portion positioned immediately above the insertion hole when closed. According to the technique disclosed in Patent Document 2, the syringe needle is inserted into the insertion hole, and the rotation of the syringe is rotated in a state in which the rotation is restricted by the rotation restricting portion, so that the screwing with the syringe is released.

更に、螺合解除後挿入孔に挿入されたまま残存する注射針部を、閉止部材の閉止に連動した押し込み部が、挿入孔と連通した容器内部に押し込む動作を行うことにより、注射針部を安全に容器内に収容することができる、とされている。   Furthermore, the injection needle portion that remains inserted into the insertion hole after the screwing is released is pushed into the container communicated with the insertion hole by the pushing portion that is interlocked with the closing of the closing member. It can be safely stored in a container.

特許第４７６４５９４号公報Japanese Patent No. 4765944 特許第５３９４５２０号公報Japanese Patent No. 5394520

しかしながら、上記各特許文献に記載の従来技術にはおいては、以下のような課題があった。すなわち、特許文献１においては、注射針部と歯との係合を担保するため、注射器の挿入方向が重力ベクトルに対して傾いた構成となっているとともに、挿入孔に挿入した注射器を、挿入方向から更に交差する向きに変化させる操作を使用者に強いることとなっている。これは実質的に注射器の操作を複雑化するものとなっていた。   However, the conventional techniques described in the above patent documents have the following problems. That is, in Patent Document 1, in order to ensure the engagement between the injection needle portion and the teeth, the insertion direction of the syringe is inclined with respect to the gravity vector, and the syringe inserted into the insertion hole is inserted. The user is forced to perform an operation of changing the direction from the direction to the crossing direction. This substantially complicates the operation of the syringe.

また、特許文献２においては、注射針部を容器内に収納するためには、蓋部に備えられた閉止部材を閉止する操作が必要となり、廃棄時の操作を煩わしいものとしていた。   Moreover, in patent document 2, in order to accommodate an injection needle part in a container, the operation which closes the closing member with which the cover part was equipped was required, and the operation at the time of disposal was made troublesome.

このように、従来技術においては、シリンジから注射針を分離させる操作や分離後の注射針を廃棄するための操作が複雑化しているという課題があった。   Thus, in the prior art, there has been a problem that the operation for separating the injection needle from the syringe and the operation for discarding the separated injection needle are complicated.

本発明は、上記の課題に鑑みてなされたものであり、注射器の廃棄に際し、単純な構成且つ簡易な操作により注射針をシリンジから確実に分離させて廃棄容器内に収容させることが可能な注射針の分離構造を提供することを目的とする。   The present invention has been made in view of the above-described problems, and in the case of disposal of a syringe, an injection that can be reliably separated from a syringe and accommodated in a disposal container with a simple configuration and simple operation. An object is to provide a needle separation structure.

上記の目的を達成するために、本発明の第１の側面は、シリンジ及び、注射針が突設される端面が形成されるとともに前記シリンジの先端に螺合する注射針部を有し、前記注射針部の側面に形成された溝の側端が前記端面に露出している注射器の、前記シリンジから前記注射針部を分離させる注射針の分離構造であって、前記注射針部が挿入される挿入孔を有する本体部と、前記挿入孔に前記注射針部が挿入された状態にて前記シリンジの前記先端の周縁に当接する当接部と、前記挿入孔に前記注射針部が挿入された状態にて前記注射針部の前記溝に嵌まりこむ係止部とを備え、前記当接部は前記係止部に対し、前記注射針部の挿入方向に沿って手前側に位置している、注射針の分離構造である。   In order to achieve the above object, a first aspect of the present invention includes a syringe and an injection needle portion that is formed with an end surface on which the injection needle protrudes and is screwed into the distal end of the syringe. An injection needle separating structure for separating the injection needle portion from the syringe of a syringe in which a side end of a groove formed on a side surface of the injection needle portion is exposed on the end surface, wherein the injection needle portion is inserted A body part having an insertion hole, a contact part that abuts a peripheral edge of the tip of the syringe in a state where the injection needle part is inserted into the insertion hole, and the injection needle part is inserted into the insertion hole. A locking portion that fits into the groove of the injection needle portion in a state where the contact portion is positioned on the near side along the insertion direction of the injection needle portion with respect to the locking portion. The separation structure of the injection needle.

本発明の第２の側面は、前記当接部及び前記係止部はそれぞれ複数個であって、前記挿入孔の周囲に交互に配置されている、本発明の第１の側面の注射針の分離構造である。   The second aspect of the present invention is the injection needle according to the first aspect of the present invention, wherein there are a plurality of the abutment portions and the locking portions, respectively, and are alternately arranged around the insertion hole. It is a separation structure.

本発明の第３の側面は、前記当接部は、前記注射針部の前記側面にも当接している、本発明の第１又は第２の側面の注射針の分離構造である。   A third aspect of the present invention is the injection needle separating structure according to the first or second aspect of the present invention, wherein the contact portion is also in contact with the side surface of the injection needle portion.

本発明の第４の側面は、前記係止部は、前記注射部の挿入方向に沿って異なる位置に配置されている、本発明の第１から第３のいずれかの側面の注射器の分離構造である。   According to a fourth aspect of the present invention, there is provided the syringe separation structure according to any one of the first to third aspects of the present invention, wherein the locking part is disposed at a different position along the insertion direction of the injection part. It is.

本発明の第５の側面は、シリンジ及び、一端に注射針が突設され他端にて前記シリンジの先端に螺合する注射針部を有する注射器の、前記シリンジから前記注射針部を分離させる注射針の分離構造であって、前記注射器の前記注射針部が挿入される挿入孔を有する本体部と、前記挿入孔に前記注射針部が挿入された状態における前記注射器の前記シリンジの、挿入方向に沿った動き及び前記シリンジの挿入方向に交差する向きの姿勢変化を規制する第１の規制部と、前記挿入孔に前記注射針部が挿入された状態における前記注射針部の、前記シリンジの前記挿入方向を軸とする回転を規制する第２の規制部とを備え、前記シリンジは、前記第１の規制部にて前記動き及び前記姿勢変化が規制された状態で前記挿入方向を軸とする回転がなされることにより、前記第２の規制部により回転が規制された前記注射針部と相対的に回転して、前記注射針部との螺合が解除される、注射針の分離構造である。   According to a fifth aspect of the present invention, the syringe needle is separated from the syringe of a syringe and a syringe having a syringe needle protruding at one end and screwed into the tip of the syringe at the other end. An injection needle separation structure comprising: a main body portion having an insertion hole into which the injection needle portion of the syringe is inserted; and insertion of the syringe of the syringe in a state where the injection needle portion is inserted into the insertion hole A first restricting portion for restricting movement along the direction and a posture change in a direction crossing the insertion direction of the syringe, and the syringe of the injection needle portion in a state where the injection needle portion is inserted into the insertion hole And a second restricting portion for restricting rotation about the insertion direction as an axis, and the syringe is pivoted about the insertion direction in a state where the movement and the posture change are restricted by the first restricting portion. The rotation is made It allows the rotation by the second regulating portion is rotated relative to the needle portion is restricted, screwing between the needle portion is released, an isolation structure of the needle.

本発明の第６の側面は、開口を有する容器本体と、前記開口を閉塞する蓋部とを備えた廃棄物容器であって、前記蓋部は前記本体部として本発明の第１から第５のいずれかの側面の注射針の分離構造を有し、前記注射針の分離構造の前記挿入孔は、前記蓋部と前記容器本体の内部とを連通させている、廃棄物容器である。   A sixth aspect of the present invention is a waste container including a container main body having an opening and a lid portion that closes the opening, and the lid portion is the first to fifth of the present invention as the main body portion. And the insertion hole of the injection needle separation structure is a waste container that allows communication between the lid and the inside of the container body.

以上のような本発明は、注射器の廃棄に際し、簡易な操作により注射針をシリンジから確実に分離させて廃棄容器内に収容させることが可能になるという効果を奏する。   The present invention as described above has an effect that when the syringe is discarded, the injection needle can be reliably separated from the syringe by a simple operation and accommodated in the disposal container.

本発明の実施の形態に係る注射針の分離構造を有する廃棄物容器の構成を示す分解斜視図The disassembled perspective view which shows the structure of the waste container which has the separation structure of the injection needle which concerns on embodiment of this invention. 本発明の実施の形態に係る注射針の分離構造を有する廃棄物容器の主蓋部の構成を示す斜視図The perspective view which shows the structure of the main cover part of the waste container which has the separation structure of the injection needle which concerns on embodiment of this invention. 本発明の実施の形態に係る注射針の分離構造に対応する注射器の構成を示す分解斜視図The disassembled perspective view which shows the structure of the syringe corresponding to the isolation | separation structure of the injection needle which concerns on embodiment of this invention. 本発明の実施の形態に係る注射針の分離構造の構成を示す平面図The top view which shows the structure of the isolation structure of the injection needle which concerns on embodiment of this invention 本発明の実施の形態に係る注射針の分離構造の構成を示す斜視図The perspective view which shows the structure of the separation structure of the injection needle which concerns on embodiment of this invention 本発明の実施の形態に係る注射針の分離構造の構成を示す斜視図The perspective view which shows the structure of the separation structure of the injection needle which concerns on embodiment of this invention 図４のＡ−Ａ断面図AA sectional view of FIG. 図４のＢ−Ｂ断面図BB sectional view of FIG. 図４のＣ−Ｃ断面図CC sectional view of FIG. 本発明の実施の形態に係る注射針の分離構造の動作を説明するための平面図The top view for demonstrating operation | movement of the separation structure of the injection needle which concerns on embodiment of this invention 本発明の実施の形態に係る注射針の分離構造の動作を説明するための断面図Sectional drawing for demonstrating operation | movement of the isolation structure of the injection needle which concerns on embodiment of this invention 本発明の実施の形態に係る注射針の分離構造の動作を説明するための断面図Sectional drawing for demonstrating operation | movement of the isolation structure of the injection needle which concerns on embodiment of this invention 本発明の他の実施の形態に係る注射針の分離構造の構成を示す平面図The top view which shows the structure of the isolation structure of the injection needle which concerns on other embodiment of this invention. 図１３のＡ−Ａ断面図AA sectional view of FIG.

以下、本発明の実施の形態について、図面を参照しながら説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は、本発明の実施の形態に係る、注射針の分離構造を有する廃棄物容器の構成を示す分解斜視図である。図１に示すように、廃棄物容器１００は、合成樹脂製の容器本体１１０及び、容器本体１１０と同一又は同種材料より形成される主蓋部１２０を主要な構成として備える。   FIG. 1 is an exploded perspective view showing a configuration of a waste container having an injection needle separation structure according to an embodiment of the present invention. As shown in FIG. 1, the waste container 100 includes a synthetic resin container main body 110 and a main lid portion 120 formed of the same or the same material as the container main body 110 as main components.

容器本体１１０は開口１１０ｘを有する開口箱状の部材であって、主蓋部１２０により開口１１０ｘが閉塞されることにより生ずる内部空間１１１に、後述する注射器を廃棄物として収容する。   The container main body 110 is an open box-shaped member having an opening 110x, and a syringe, which will be described later, is accommodated as waste in an internal space 111 generated by the opening 110x being closed by the main lid 120.

主蓋部１２０は容器本体１１０の開口１１０ｘの外形に対応した平面形状を有する部材であって、図１及び、図２の斜視図に示すように、表面１２１ａ上に本実施の形態の注射針の分離構造１及び後述する注射器のシリンジを投入するための投入口１２２ｘが形成されている。注射器の分離構造１は、表面１２１ａから裏面１２１ｂまで貫通する開口１ｘの周囲に形成され、開口１ｘは主蓋部１２０が容器本体１１０に装着された状態にあって、内部空間１１１と外部とを連通させる。   The main lid 120 is a member having a planar shape corresponding to the outer shape of the opening 110x of the container main body 110, and as shown in the perspective views of FIGS. 1 and 2, the injection needle of the present embodiment on the surface 121a. The separation structure 1 and an inlet 122x for inserting a syringe of a syringe described later are formed. The syringe separation structure 1 is formed around an opening 1x penetrating from the front surface 121a to the back surface 121b. The opening 1x is in a state in which the main lid portion 120 is attached to the container body 110, and the internal space 111 is separated from the outside. Communicate.

なお、投入口１２２ｘは表面１２１ａ側に設けられた内蓋部１２２によって通常は閉塞されており、シリンジの投入時のみ開放される。ただし、内蓋部１２２を開閉させる機構の構成は周知慣用の技術的手段を用いることができ、詳細は省略する。   In addition, the insertion port 122x is normally closed by the inner lid part 122 provided on the surface 121a side, and is opened only when the syringe is inserted. However, the structure of the mechanism for opening and closing the inner lid portion 122 can use well-known and commonly used technical means, and details thereof are omitted.

更に、主蓋部１２０の側縁には表面１２１ａ全体を覆う外蓋部１２３が設けられており、外蓋部１２３は開口１ｘ及び内蓋部１２２を覆った状態で、容器本体１１０を閉塞する。   Further, an outer lid portion 123 that covers the entire surface 121a is provided on the side edge of the main lid portion 120, and the outer lid portion 123 closes the container body 110 while covering the opening 1x and the inner lid portion 122. .

次に、図３に、本実施の形態の注射針の分離構造１に対応した注射器２００の構成を示す。図３に示すように、注射器２００は、薬液又は薬液が封入されたカートリッジを格納するシリンジ２１０と、シリンジ２１０に脱着自在に結合する注射針部２２０とを主要な構成として備える。   Next, FIG. 3 shows a configuration of a syringe 200 corresponding to the injection needle separation structure 1 of the present embodiment. As shown in FIG. 3, the syringe 200 includes, as main components, a syringe 210 that stores a drug solution or a cartridge in which a drug solution is sealed, and an injection needle unit 220 that is detachably coupled to the syringe 210.

シリンジ２１０は合成樹脂製の円筒形の部材であって、一方の端部の端面２１１から中間部２１３を介して注射針部２２０と螺合するための雄ねじ２１２が突設している。雄ねじ２１２の端面中央にはシリンジ２１０側から薬液を吐出させるための開口２１０ｘが形成されている。   The syringe 210 is a cylindrical member made of synthetic resin, and has a male screw 212 projecting from the end surface 211 of one end portion through the intermediate portion 213 to be screwed with the injection needle portion 220. At the center of the end face of the male screw 212, an opening 210x for discharging the chemical solution from the syringe 210 side is formed.

注射針部２２０は、シリンジ２１０と螺合するキャップ部２２１を備える。キャップ部２２１はシリンジ２１０よりも小さな直径を有する合成樹脂製の円筒形の部材であって、円筒の側面に相当する側面２２１ｘの全周に渡って複数の溝２２１ｙが等間隔で形成される。溝２２１ｙの一端は、円筒の一方の底面に相当する端面２２２にまで達して、端面２２２上に断面を露出させている。また、溝２２１ｙの他端は側面２２１ｘと面一をなす環状の端側面２２１ｚにまで達している。   The injection needle part 220 includes a cap part 221 that is screwed into the syringe 210. The cap portion 221 is a cylindrical member made of a synthetic resin having a smaller diameter than the syringe 210, and a plurality of grooves 221y are formed at equal intervals over the entire circumference of the side surface 221x corresponding to the side surface of the cylinder. One end of the groove 221y reaches the end surface 222 corresponding to one bottom surface of the cylinder, and the cross section is exposed on the end surface 222. The other end of the groove 221y reaches an annular end side surface 221z that is flush with the side surface 221x.

更に、端面２２２上には、注射針本体２２４を装着するための装着筒２２３が突設されており、装着筒２２３及び端面２２２内にはシリンジ２１０の開口２１０ｘと連通する開口が設けられている。また、図中死角となるキャップ部２２１の内壁には、シリンジ２１０の雄ねじ２１２に対応した形状の雌ねじが形成されており、注射針部２２０はシリンジ２１０に対して正回転に螺合することにより結合して、注射器２００として完成する。このとき注射針部２２０の周囲にはシリンジ２１０の端面２１１が露出している。   Further, a mounting cylinder 223 for mounting the injection needle main body 224 is projected on the end surface 222, and an opening communicating with the opening 210 x of the syringe 210 is provided in the mounting cylinder 223 and the end surface 222. . In addition, a female screw having a shape corresponding to the male screw 212 of the syringe 210 is formed on the inner wall of the cap part 221 that is a blind spot in the figure, and the injection needle part 220 is screwed into the syringe 210 in a forward rotation. Combined to complete the syringe 200. At this time, the end surface 211 of the syringe 210 is exposed around the injection needle portion 220.

なお、シリンジ２１０、注射針部２２０のキャップ部２２１、装着筒２２３及び注射針本体２２４は同軸に形成されて、互いに平行に延伸する。また、キャップ部２２１の溝２２１ｙはシリンジ２１０の延伸方向に平行に形成されている。   The syringe 210, the cap portion 221 of the injection needle portion 220, the mounting cylinder 223, and the injection needle main body 224 are formed coaxially and extend in parallel to each other. Further, the groove 221 y of the cap portion 221 is formed in parallel with the extending direction of the syringe 210.

更に、シリンジ２１０において注射針部２２０へ薬液を送出するための機構は、周知慣用のピストンその他の技術的手段を用いることができ、詳細は省略する。   Furthermore, as a mechanism for sending the drug solution to the injection needle unit 220 in the syringe 210, a well-known and commonly used piston or other technical means can be used, and details thereof are omitted.

次に、図４〜図９を参照して、本実施の形態の注射針の分離構造１の構成を説明する。ただし、図４は注射針の分離構造１の平面図、図５は図１の廃棄物容器１００の内蓋部１２２側から見た斜視図、図６は図５の視点を９０°回転させた視点による斜視図、図７〜図９はそれぞれ図４のＡ−Ａ断面図、Ｂ−Ｂ断面図及びＣ−Ｃ断面図である。   Next, the configuration of the injection needle separation structure 1 according to the present embodiment will be described with reference to FIGS. However, FIG. 4 is a plan view of the injection needle separation structure 1, FIG. 5 is a perspective view seen from the inner lid portion 122 side of the waste container 100 in FIG. 1, and FIG. A perspective view from the viewpoint, and FIGS. 7 to 9 are an AA sectional view, a BB sectional view, and a CC sectional view of FIG. 4, respectively.

図４〜６に示すように、注射針の分離構造１は、廃棄物容器１００の主蓋部１２０の表面１２１ａ上に形成された平面形状円形の凹部１２０ｘ内に設けられ、底面１２４上の開口１ｘの周囲に位置する３個の当接部１０及び２個の規制部２０を備える。   As shown in FIGS. 4 to 6, the injection needle separation structure 1 is provided in a planar circular recess 120 x formed on the surface 121 a of the main lid 120 of the waste container 100, and has an opening on the bottom surface 124. Three contact portions 10 and two restricting portions 20 located around 1x are provided.

当接部１０は、凹部１２０ｘの底面１２４を、その中心Ｏから略六等分してなる領域の１つおきに位置するよう形成された、中心Ｏに向かって全幅を狭めながら延出する逆扇状の外形を有する部位である。   The abutting portion 10 is formed so that the bottom surface 124 of the concave portion 120x is located in every other region formed by dividing the bottom surface 124 into approximately six equal parts from the center O. It is a site | part which has a fan-shaped external shape.

当接部１０は、底面１２４と同一面上に形成された平板状の基台部１１と、基台部１１から屈曲して形成され、凹部１２０ｘの上方、すなわち外蓋部１２３寄りに位置する、基台部１１と段差を有する平板状の当接本体部１２とを備える。複数の当接本体部１２の端面１３は、底面１２４の中心Ｏを囲んで同心円を形成するようにレイアウトされる。   The contact portion 10 is formed by bending a flat plate-like base portion 11 formed on the same surface as the bottom surface 124 and the base portion 11, and is located above the recess 120 x, that is, near the outer lid portion 123. The base part 11 and the flat plate-like contact body part 12 having a step are provided. The end surfaces 13 of the plurality of contact main body portions 12 are laid out so as to form a concentric circle surrounding the center O of the bottom surface 124.

次に、規制部２０は、隣接する当接部１０の間に位置するように設けられ、当接部１０同様、中心Ｏに向かって全幅を狭めながら延出する逆扇状の外形を有する部位である。   Next, the restricting portion 20 is provided so as to be positioned between the adjacent abutting portions 10, and similarly to the abutting portion 10, is a portion having an inverted fan-shaped outer shape extending while narrowing the entire width toward the center O. is there.

規制部２０は、底面１２４と同一面上に形成された平板状の本体部２１と、本体部２１の縁端である当接面２２上に形成された、外形円柱状の係止部２３とを備える。   The restricting portion 20 includes a flat plate-like main body portion 21 formed on the same surface as the bottom surface 124, and an outer cylindrical contact portion 23 formed on the contact surface 22 that is an edge of the main body portion 21. Is provided.

係止部２３は、図４〜６に示すように、底面１２４上においては当接面２２の弧の中央から当接部１０に向かってシフトした位置に形成される。更に、係止部２３は、図６〜９に示すように、本体部２１の厚みよりも大きな全高を有し、本体部２１と同一の表面から下方、すなわち廃棄物容器１００の容器本体１１０側に向かって延出している。   As shown in FIGS. 4 to 6, the locking portion 23 is formed on the bottom surface 124 at a position shifted from the center of the arc of the contact surface 22 toward the contact portion 10. Further, as shown in FIGS. 6 to 9, the locking portion 23 has an overall height larger than the thickness of the main body portion 21, and is downward from the same surface as the main body portion 21, that is, the container main body 110 side of the waste container 100. It extends toward.

更に、当接部１０及び基台部１１は、底面１２４の中心Ｏの周囲に交互に配置される一方で、基台部１１の個数は当接部１０より１つ少ないことにより、注射針の分離構造１においては、一対の隣接する当接部１０の間には開口１ｘと連通する空隙３０ｘが形成される。   Further, the abutting portions 10 and the base portions 11 are alternately arranged around the center O of the bottom surface 124, while the number of the base portions 11 is one less than that of the abutting portions 10. In the separation structure 1, a gap 30 x communicating with the opening 1 x is formed between a pair of adjacent contact portions 10.

なお、上記の構成において、廃棄物容器１００の主蓋部１２０及び外蓋部１２３並びに注射針の分離構造１の各部はインジェクション成形等の周知慣用の技術を用いて一体成形品として作成されるが、各部は別部材としてそれぞれ作成し、組立てる構成としてもよい。また、容器本体１１０も同様に一体成形により作成される。   In the above configuration, the main lid portion 120 and the outer lid portion 123 of the waste container 100 and each portion of the injection needle separation structure 1 are prepared as an integrally molded product using a well-known and common technique such as injection molding. Each part may be created and assembled as a separate member. Similarly, the container body 110 is formed by integral molding.

以上の構成において、注射針の分離構造１は本発明の注射針の分離構造に相当し、主蓋部１２０の凹部１２０ｘは、本発明の本体部に相当し、開口１ｘは本発明の挿入孔に相当する。また、当接部１０の当接本体部１２は本発明の当接部に相当し、規制部２０の係止部２３は本発明の係止部に相当する。   In the above configuration, the injection needle separation structure 1 corresponds to the injection needle separation structure of the present invention, the recess 120x of the main lid 120 corresponds to the main body of the present invention, and the opening 1x corresponds to the insertion hole of the present invention. It corresponds to. Further, the contact main body portion 12 of the contact portion 10 corresponds to the contact portion of the present invention, and the locking portion 23 of the restricting portion 20 corresponds to the locking portion of the present invention.

このような構成を有する本実施の形態の注射針の分離構造１は、当接部１０及び規制部２０を備えたことにより、注射器２００のシリンジ２１０から注射針部２２０を簡易な操作により確実に分離させ、容器本体１１０内に廃棄させることを特徴とする。   The injection needle separation structure 1 of this embodiment having such a configuration is provided with the contact portion 10 and the restriction portion 20, so that the injection needle portion 220 can be reliably moved from the syringe 210 of the syringe 200 by a simple operation. It is made to separate and to be discarded in the container main body 110.

以下、図１０〜図１２を更に参照して、更に説明を行う。ただし、図１０は、図４に対応して注射器２００が挿入された状態を示す平面図であり、図１１及び図１２はそれぞれ図１０のＣ−Ｃ断面図及びＡ−Ａ断面図に対応した図である。   Hereinafter, further description will be made with reference to FIGS. However, FIG. 10 is a plan view showing a state in which the syringe 200 is inserted corresponding to FIG. 4, and FIGS. 11 and 12 correspond to the CC sectional view and the AA sectional view of FIG. 10, respectively. FIG.

はじめに、使用者は廃棄物容器１００の外蓋部１２３を開放した状態で、凹部１２０ｘ内の開口１ｘに注射針本体２２４を挿入する向きにて、注射器２００を注射器の分離構造１に装着させる。このとき、注射器２００全体の向きは凹部１２０ｘの底面１２４に直交する。したがってシリンジ２１０及び注射針部２２０の中心軸は当接部１０の当接本体部１２及び規制部２０の本体部２１に直交した状態に置かれる。   First, the user attaches the syringe 200 to the separation structure 1 of the syringe in a direction in which the injection needle body 224 is inserted into the opening 1x in the recess 120x with the outer lid portion 123 of the waste container 100 opened. At this time, the direction of the entire syringe 200 is orthogonal to the bottom surface 124 of the recess 120x. Therefore, the central axes of the syringe 210 and the injection needle portion 220 are placed in a state orthogonal to the contact main body portion 12 of the contact portion 10 and the main body portion 21 of the restriction portion 20.

この向きを保ったまま、注射器２００を押圧すると、図１０に示すように、シリンジ２１０の端面２１１が当接部１０の当接本体部１２に面接触するとともに、注射針部２２０は、開口１ｘの、当接本体部１２の端面１３及び規制部２０の当接面２２により囲まれた空間内に配置される。   When the syringe 200 is pressed while maintaining this orientation, as shown in FIG. 10, the end surface 211 of the syringe 210 comes into surface contact with the abutting body portion 12 of the abutting portion 10, and the injection needle portion 220 has an opening 1x. Are disposed in a space surrounded by the end surface 13 of the contact main body 12 and the contact surface 22 of the restricting portion 20.

更に、注射針部２２０は、キャップ部２２１の側面２２１ｘが、当該側面２２１ｘと同軸である開口１ｘの周囲に等間隔に配置された当接部１０の、当接本体部１２の端面１３にそれぞれ当接するとともに、図１１に示すように、キャップ部２２１の溝２２１ｙに規制部２０の係止部２３が嵌まり込んだ状態におかれる。   Further, the injection needle part 220 has the side surface 221x of the cap part 221 on the end surface 13 of the contact main body part 12 of the contact part 10 arranged at equal intervals around the opening 1x coaxial with the side surface 221x. In addition to the contact, as shown in FIG. 11, the engaging portion 23 of the restricting portion 20 is fitted in the groove 221 y of the cap portion 221.

以上のように配置された注射器２００は、シリンジ２１０の端面２１１が当接部１０の当接本体部１２に面接触することにより、注射針本体２２４の挿入方向、すなわち注射針本体２２４が容器本体１１０の内部空間１１１に向かう方向の動きが規制される。   In the syringe 200 arranged as described above, the end surface 211 of the syringe 210 is in surface contact with the contact main body portion 12 of the contact portion 10, so that the insertion direction of the injection needle main body 224, that is, the injection needle main body 224 is the container main body. The movement of 110 in the direction toward the internal space 111 is restricted.

更に、注射針部２２０においてキャップ部２２１の側面２２１ｘが当接本体部１２の端面１３に当接するとともに、キャップ部２２１の溝２２１ｙに規制部２０の係止部２３が嵌まり込んだことにより、注射針本体２４の挿入方向から交差する向きの姿勢変化が規制される。   Further, the side surface 221x of the cap portion 221 contacts the end surface 13 of the contact main body portion 12 in the injection needle portion 220, and the locking portion 23 of the restricting portion 20 is fitted in the groove 221y of the cap portion 221. The posture change in the direction intersecting with the insertion direction of the injection needle body 24 is restricted.

すなわち、注射器２００は、注射器の分離構造１に装着された状態においては、図１０及び図１１に示すように、注射針部２２０のキャップ部２２１が凹部１２０ｘの開口１ｘに嵌まり込むとともに底面１２４に直交した状態で位置決めされることとなる。   That is, when the syringe 200 is mounted on the syringe separation structure 1, as shown in FIGS. 10 and 11, the cap portion 221 of the injection needle portion 220 fits into the opening 1 x of the recess 120 x and the bottom surface 124. It will be positioned in the state orthogonal to.

この状態において、使用者は、注射器２００のシリンジ２１０を把持して軸（図１０の中心Ｏを通過する直線）周りに回転させると、注射針部２２０は、キャップ部２２１の溝２２１ｙに係止部２３が嵌まり込んでいることにより軸周りシリンジ２１０の回転への従動が妨げられ、シリンジ２１０と相対的に回転する。   In this state, when the user holds the syringe 210 of the syringe 200 and rotates it around the axis (a straight line passing through the center O in FIG. 10), the injection needle unit 220 is locked in the groove 221y of the cap unit 221. Since the portion 23 is fitted, the follower to the rotation of the syringe 210 around the axis is prevented, and the syringe rotates relative to the syringe 210.

このとき、シリンジ２１０の回転方向を上述した結合の正回転とは逆回転とすることにより、図１１に示すように、注射針部２２０は内壁の雌ねじ２２１ａがシリンジ２１０の雄ねじ２１２との螺合を解除する一方で、シリンジ２１０の端面２１１が当接部１０の当接本体部１２への面接触により干渉することで、注射針本体２４の挿入方向への移動が妨げられる。   At this time, by rotating the rotation direction of the syringe 210 in the opposite direction to the forward rotation of the coupling described above, the injection needle portion 220 is screwed with the internal thread 221a of the syringe 210 and the external thread 212 of the syringe 210 as shown in FIG. On the other hand, the end surface 211 of the syringe 210 interferes with the surface contact of the contact portion 10 with the contact main body portion 12, thereby preventing the movement of the injection needle main body 24 in the insertion direction.

したがって、螺合の解除に伴い注射針部２２０は容器本体１１０側へ移動する。この際、キャップ部２２１の溝２２１ｙは規制部２０の係止部２３の移動方向に沿って延伸しているため、係止部２３による干渉を受けることなく、キャップ部２２１は係止部２３に対して摺動しつつ移動することとなる。   Therefore, the injection needle part 220 moves to the container main body 110 side with the release of the screwing. At this time, since the groove 221y of the cap portion 221 extends along the moving direction of the locking portion 23 of the restricting portion 20, the cap portion 221 does not interfere with the locking portion 23 without being interfered by the locking portion 23. On the other hand, it moves while sliding.

最後に、キャップ部２２１の雌ねじ２２１ａとシリンジ２１０の雄ねじ２１２との螺合が解除されると、図１２に示すように、注射針部２２０は自重によりシリンジ２１０から脱落して、容器本体１１０の内部空間１１１に落下する。   Finally, when the screwing of the female screw 221a of the cap part 221 and the male screw 212 of the syringe 210 is released, the injection needle part 220 is dropped from the syringe 210 by its own weight as shown in FIG. It falls into the internal space 111.

このように、本実施の形態の注射針の分離構造１によれば、開口１ｘの周囲に設けられた当接部１０及び規制部２０を備えたことにより、注射器２００を開口１ｘに挿入したままの姿勢を保持しつつ回転させるという簡易な操作を行うことで、シリンジ２１０から注射針部２２０を確実に分離させ、廃棄物容器１００の内部に廃棄することが可能となっている。   As described above, according to the injection needle separation structure 1 of the present embodiment, the syringe 200 remains inserted into the opening 1x by including the contact portion 10 and the restriction portion 20 provided around the opening 1x. By performing a simple operation of rotating while maintaining this posture, it is possible to reliably separate the injection needle portion 220 from the syringe 210 and discard it in the waste container 100.

特に、本実施の形態においては、注射針部２２０のキャップ部２２１の溝２２１ｙに嵌まり込む係止部２３が、図４及び図１０に示すように、開口１ｘの中心であり、注射針本体２４の位置と一致する中心Ｏを中心とする半円側にのみ分布して配置された構成を備える。   In particular, in the present embodiment, as shown in FIGS. 4 and 10, the locking portion 23 that fits into the groove 221y of the cap portion 221 of the injection needle portion 220 is the center of the opening 1x, and the injection needle main body. And a configuration in which it is distributed and arranged only on the semicircular side centered on the center O that coincides with the position of 24.

これにより、キャップ部２２１の雌ねじ２２１ａとシリンジ２１０の雄ねじ２１２との螺合が解除された状態において、注射針部２２０は中心Ｏから偏心した２箇所の係止部２３に係止されることとなり、その結果、図１２中の矢印Ｓに示すように、空隙３０ｘに向かって脱落し易くなっている。したがって、シリンジ２１０との螺合が解除された注射針部２２０を、別部材の操作等に起因する外力を作用させることなく容易に容器本体１１０へ落下させることが可能となっている。   Thereby, in a state where the screwing of the female screw 221a of the cap part 221 and the male screw 212 of the syringe 210 is released, the injection needle part 220 is locked to the two locking parts 23 eccentric from the center O. As a result, as shown by an arrow S in FIG. 12, it is easy to drop off toward the gap 30x. Therefore, it is possible to easily drop the injection needle portion 220, which has been unscrewed from the syringe 210, onto the container body 110 without applying an external force due to operation of another member or the like.

同様に、本実施の形態においては、図４及び図１０に示すように、開口１ｘの周囲に等間隔に配置された当接本体部１２の端面１３が、注射針部２２０の端側面２２１ｚの周囲に当接する構成を備える。   Similarly, in the present embodiment, as shown in FIGS. 4 and 10, the end surface 13 of the contact main body portion 12 arranged at equal intervals around the opening 1 x is formed on the end side surface 221 z of the injection needle portion 220. The structure which contacts the periphery is provided.

これにより、複数の当接本体部１２の間に嵌入されたキャップ部２２１は、端側面２２１ｚの周囲から支えられることにより注射器２００の挿入方向に位置決めされ、当該挿入方向に交差する向きの姿勢変化が規制される。したがって、使用者は注射針部２２０が挿入方向に沿った姿勢を保ったままシリンジ２１０を操作させることができ、簡易な操作によって注射針部２２０と係止部２３との係合を担保して、安定的にシリンジ２１０から注射針部２２０の螺合を解除させることが可能となる。   Accordingly, the cap portion 221 fitted between the plurality of contact main body portions 12 is positioned in the insertion direction of the syringe 200 by being supported from the periphery of the end side surface 221z, and the posture change in the direction crossing the insertion direction. Is regulated. Therefore, the user can operate the syringe 210 while maintaining the posture of the injection needle portion 220 along the insertion direction, and ensures the engagement between the injection needle portion 220 and the locking portion 23 by a simple operation. Thus, the screwing of the injection needle portion 220 from the syringe 210 can be stably released.

同様に、本実施の形態においては、図４及び図１０に示すように、規制部２０が当接部１０の間に配置されることにより、係止部２３が隣接する当接本体部１２の端面１３の間に配置された構成を備える。   Similarly, in the present embodiment, as shown in FIGS. 4 and 10, the restricting portion 20 is disposed between the abutting portions 10, so that the locking portion 23 is adjacent to the adjacent abutting body portion 12. The structure arrange | positioned between the end surfaces 13 is provided.

これにより、キャップ部２２１は複数の当接本体部１２が端側面２２１ｚに当接することに加えて、更に規制部２０が当接面２２にてキャップ部２２１の側面２２１ｘに当接するとともに係止部２３が溝２２１ｙに嵌まりこむことにより軸周りの周囲から支えられる。したがって、注射器２００の挿入方向に更に強固に位置決めされ、当該挿入方向に交差する向きの姿勢変化が規制される。その結果、使用者は注射針部２２０が挿入方向に沿った姿勢を保ったままシリンジ２１０を操作させることができ、簡易な操作によって注射針部２２０と係止部２３との係合を担保して、安定的にシリンジ２１０から注射針部２２０の螺合を解除させることが可能となる。   As a result, in addition to the abutting body portions 12 abutting against the end side surface 221z, the cap portion 221 further abuts the regulating portion 20 against the side surface 221x of the cap portion 221 at the abutting surface 22 and the locking portion. 23 is supported from the periphery around the axis by fitting in the groove 221y. Therefore, the syringe 200 is more firmly positioned in the insertion direction, and the posture change in the direction crossing the insertion direction is restricted. As a result, the user can operate the syringe 210 while maintaining the posture of the injection needle portion 220 along the insertion direction, and ensures the engagement between the injection needle portion 220 and the locking portion 23 by a simple operation. Thus, the screwing of the injection needle portion 220 from the syringe 210 can be stably released.

同様に、本実施の形態においては、図７〜９及び図１１に示すように、当接部１０の当接本体部１２と、規制部２０の当接面２２及び係止部２３とは、注射器２００の挿入方向に対して互いに離隔する向きにシフトして配置された構成を備える。   Similarly, in the present embodiment, as shown in FIGS. 7 to 9 and FIG. 11, the contact main body portion 12 of the contact portion 10, the contact surface 22 and the locking portion 23 of the restricting portion 20, A configuration is provided in which the syringe 200 is arranged so as to be shifted in a direction away from each other with respect to the insertion direction of the syringe 200.

これにより、キャップ部２２１を含めた注射針部２２０は、円筒形状の高さ方向に沿った異なる複数箇所で支えられることとなり、注射器２００の、その挿入方向に交差する向きの姿勢変化が規制される。その結果、使用者は注射針部２２０が挿入方向に沿った姿勢を保ったままシリンジ２１０を操作させることができ、簡易な操作によって注射針部２２０と係止部２３との係合を担保して、安定的にシリンジ２１０から注射針部２２０の螺合を解除させることが可能となる。   Thereby, the injection needle part 220 including the cap part 221 is supported at a plurality of different positions along the height direction of the cylindrical shape, and the posture change of the syringe 200 in the direction crossing the insertion direction is restricted. The As a result, the user can operate the syringe 210 while maintaining the posture of the injection needle portion 220 along the insertion direction, and ensures the engagement between the injection needle portion 220 and the locking portion 23 by a simple operation. Thus, the screwing of the injection needle portion 220 from the syringe 210 can be stably released.

更に、本実施の形態においては、注射器２００のシリンジ２１０の挿入方向の動きを規制する規制部２０は、図４及び図１０等に示すように、中心Ｏに向かって全幅を狭めながら延出する逆扇状の外形を有する構成を備える。   Furthermore, in the present embodiment, the restricting portion 20 that restricts the movement of the syringe 210 in the insertion direction of the syringe 210 extends while narrowing the entire width toward the center O, as shown in FIGS. A configuration having an inverted fan-shaped outer shape is provided.

これにより、使用者の操作によりシリンジ２１０の端面２１１に面接触するとともに端面１３により注射針部２２０の端側面２２１ｚに当接する当接本体部１２は、注射器２００の挿入方向に直交する向きの剛性が、挿入方向に沿った向きの剛性よりも大きくなっている。したがって、使用者による注射器２００の挿入操作の向きが底面１２４から交差する場合であっても、規制部２０を変形させることなく、注射器２００の姿勢は矯正され、注射器２００を開口１ｘに正しく装着することが可能となる。その結果、簡易な操作によって注射針部２２０と係止部２３との係合が担保され、安定的にシリンジ２１０から注射針部２２０の螺合を解除させることが可能となる。   Thereby, the contact main body 12 that comes into surface contact with the end surface 211 of the syringe 210 by the operation of the user and contacts the end side surface 221z of the injection needle unit 220 with the end surface 13 is rigid in a direction orthogonal to the insertion direction of the syringe 200. However, it is larger than the rigidity in the direction along the insertion direction. Therefore, even when the direction of the insertion operation of the syringe 200 by the user intersects from the bottom surface 124, the posture of the syringe 200 is corrected without deforming the restricting portion 20, and the syringe 200 is correctly attached to the opening 1x. It becomes possible. As a result, the engagement between the injection needle part 220 and the locking part 23 is ensured by a simple operation, and the screwing of the injection needle part 220 from the syringe 210 can be stably released.

更に、規制部２０は挿入方向に沿った方向において相対的に可撓性が大きい構成となっていることにより、当接本体部１２がシリンジ２１０の押圧に応じて容器本体１１０側へ沈降するように変形して、注射針部２２０のシリンジ２１０からの分離をより良好に行わせるとともに、シリンジ２１０との螺合が解除された注射針部２２０を、別部材の操作等に起因する外力を作用させることなく容器本体１１０内に廃棄させる効果を奏する。   Further, the restricting portion 20 is configured to be relatively flexible in the direction along the insertion direction, so that the contact main body portion 12 sinks to the container main body 110 side in response to the pressing of the syringe 210. The injection needle portion 220 is better separated from the syringe 210, and the injection needle portion 220, which has been unscrewed from the syringe 210, is subjected to an external force caused by operation of another member. There is an effect that it is discarded in the container body 110 without causing it.

更に、本実施の形態においては、規制部２０において、平板状の本体部２１の縁端である当接面２２上に形成された外形円柱状の係止部２３が、本体部２１の厚みよりも大きな全高を有し、本体部２１と同一の表面から下方、すなわち廃棄物容器１００の容器本体１１０側に向かって延出した構成を備える。   Furthermore, in the present embodiment, in the restricting portion 20, the outer cylindrical contact portion 23 formed on the contact surface 22 that is the edge of the flat plate-like main body portion 21 is formed from the thickness of the main body portion 21. And has a configuration that extends downward from the same surface as the main body 21, that is, toward the container main body 110 side of the waste container 100.

これにより、キャップ部２２１の溝２２１ｙとの接触面積を大きくとるとともに剛性を高めて、注射器２００の回転に対する抗力を確保するようにしている。その結果、注射針部２２０と係止部２３との係合が担保され、使用者がシリンジ２１０を回転操作させた際に、確実に注射針部２２０の回転を規制させて、螺合を解除させることが可能となる。   Thereby, the contact area with the groove | channel 221y of the cap part 221 is taken, and rigidity is improved, and the resistance with respect to rotation of the injection device 200 is ensured. As a result, the engagement between the injection needle part 220 and the locking part 23 is ensured, and when the user rotates the syringe 210, the rotation of the injection needle part 220 is surely restricted and the screwing is released. It becomes possible to make it.

以上のように、本発明の実施の形態による注射針の分離構造１によれば、開口１ｘの周囲に設けられた当接部１０及び規制部２０を備えたことにより、使用者は注射器２００を開口１ｘに装着させた所期の状態から挿入方向に保ちつつ所定方向に回転させる、という簡易な動作によって注射針部２２０をシリンジ２１０から分離させることができる。   As described above, according to the injection needle separation structure 1 according to the embodiment of the present invention, since the contact portion 10 and the restriction portion 20 provided around the opening 1x are provided, the user holds the syringe 200. The injection needle part 220 can be separated from the syringe 210 by a simple operation of rotating in a predetermined direction while keeping the insertion direction from the intended state of being attached to the opening 1x.

当該動作の間、注射器２００は姿勢を変更させる必要がなく、更に、シリンジ２１０から螺合が解除された後の注射針部２２０を容器本体１１０内に導入させるための付加的な動作、構成を必要としない。したがって、簡易な操作により注射針を確実にシリンジから分離させるとともに容器本体１１０内に収容させることが可能となる。   During the operation, the syringe 200 does not need to change its posture, and further has an additional operation and configuration for introducing the injection needle portion 220 after the screwing is released from the syringe 210 into the container body 110. do not need. Therefore, the injection needle can be reliably separated from the syringe and accommodated in the container main body 110 by a simple operation.

しかしながら、本発明は上記の実施の形態により限定されるものではない。   However, the present invention is not limited to the above embodiment.

上記の説明においては、注射針の分離構造１は、凹部１２０ｘの底面１２４を、その中心Ｏから略六等分してなる領域の１つおきに位置した３個の当接部１０と、隣接する当接部１０の間に配置された２個の規制部２０とを備えたものとしたが、図１３に示す注射針の分離構造２のように、凹部１２０ｘの底面１２４を、その中心Ｏから略四等分してなる領域の１つおきに位置した個の当接部４０と、隣接する当接部１０の間に配置された２個の規制部５０とを備えるものとしてもよい。   In the above description, the separating structure 1 for the injection needle is adjacent to the three abutting portions 10 that are located at every other region formed by dividing the bottom surface 124 of the recess 120x into approximately six equal parts from the center O thereof. The two restricting portions 20 disposed between the contacting portions 10 are provided, but the bottom surface 124 of the recess 120x is set at the center O as in the injection needle separation structure 2 shown in FIG. It is good also as what is provided with the one contact part 40 located in every other area | region formed by dividing into four substantially from, and the two control parts 50 arrange | positioned between the adjacent contact parts 10. FIG.

かかる注射針の分離構造３においては、正対して配置された一対の当接部４０の当接本体部４２に注射器２００のシリンジ２１０の端面２１１が当接するとともに端面１３に注射針部２２０の端側面２２１ｚが当接することにより、注射器２００の挿入方向に沿った動きが規制されるとともに、挿入方向に交差する向きの姿勢変化が規制される。   In the injection needle separation structure 3, the end surface 211 of the syringe 210 of the syringe 200 abuts against the abutment main body portion 42 of the pair of abutment portions 40 that are arranged to face each other, and the end surface 13 has the end of the injection needle portion 220. When the side surface 221z abuts, the movement along the insertion direction of the syringe 200 is restricted, and the posture change in the direction intersecting the insertion direction is restricted.

更に、一対の当接部４０の間に位置し、且つ正対して配置された一対の規制部５０の当接面５２に、注射針部２２０の側面２２１ｘが当接するとともに、当接面５２上に設けられた係止部５３が溝２２１ｙに嵌まり込むことにより、注射器２００の、挿入方向に交差する姿勢変化が規制されるとともに、注射針部２２０の回転が規制される。   Further, the side surface 221x of the injection needle portion 220 abuts on the abutment surface 52 of the pair of restricting portions 50 that are positioned between the abutment portions 40 and face each other. When the latching portion 53 provided in is inserted into the groove 221y, the posture change of the syringe 200 that intersects the insertion direction is restricted, and the rotation of the injection needle portion 220 is restricted.

これらの構成を備えたことにより、注射針の分離構造１と同様、注射器２００を開口１ｘに挿入、装着させるとともに、挿入時の姿勢を保ったままシリンジ２１０を回転させることにより、注射針部２２０を確実に分離して容器本体１１０内に収容させることが可能となる。なお、当接部４０及び規制部５０の個数は、同数であっても異なっていてもよく、更にそれぞれの個数は３つ以上の任意の個数であるとしてもよい。   By providing these configurations, similarly to the injection needle separation structure 1, the syringe 200 is inserted into and attached to the opening 1x, and the syringe 210 is rotated while maintaining the posture at the time of insertion. Can be reliably separated and accommodated in the container main body 110. In addition, the number of the contact part 40 and the control part 50 may be the same number, or may differ, and each number may be 3 or more arbitrary numbers.

要するに、本発明の注射針の分離構造は、当接部及び係止部を有し、当接部が注射器の挿入方向に沿って規制部より手前側に位置した構成であればよく、当接部及び係止部の個数や配置の具体的な態様によって限定されるものではない。   In short, the separation structure of the injection needle of the present invention may be any structure as long as it has a contact portion and a locking portion, and the contact portion is positioned in front of the restriction portion along the insertion direction of the syringe. It is not limited by the specific form of the number and arrangement of the portions and the locking portions.

更に、本発明の注射針の分離構造は、それぞれ複数の当接部及び係止部を有し、これらが注射器の挿入方向に垂直な平面上に形成された挿入孔から見て交互に配置されていればよく、その他の具体的な態様によって限定されるものではない。   Further, the separation structure of the injection needle of the present invention has a plurality of abutting portions and locking portions, which are alternately arranged as seen from the insertion holes formed on a plane perpendicular to the insertion direction of the syringe. However, the present invention is not limited to other specific modes.

また、注射針の分離構造２においては、図１３のＡ−Ａ断面図である図１４に示すように、一対の規制部５０の係止部５３は、係止部５３ａ及び５３ｂとして例示するように、それぞれが注射器２００の挿入方向に対して互いに離隔する向きにシフトして配置された構成を備えるようにしてもよい。   Further, in the injection needle separation structure 2, as shown in FIG. 14, which is a cross-sectional view taken along line AA of FIG. 13, the locking portions 53 of the pair of regulating portions 50 are illustrated as locking portions 53 a and 53 b. In addition, each may be provided with a configuration in which each is shifted in a direction away from each other with respect to the insertion direction of the syringe 200.

これにより、キャップ部２２１の雌ねじ２２１ａとシリンジ２１０の雄ねじ２１２との螺合が解除された状態において、注射針部２２０は注射針部２２０は、シリンジ２１０の円筒形状の高さ方向に沿って互いに異なる複数箇所に位置する係止部５３ａ及び５３ｂに係止されることとなり、その結果、図１３中のＡ−Ａ直線上に沿って傾斜する向きに脱落し易くなっている。   Thus, in a state where the screwing of the female screw 221a of the cap part 221 and the male screw 212 of the syringe 210 is released, the injection needle part 220 and the injection needle part 220 are mutually connected along the height direction of the cylindrical shape of the syringe 210. It will be latched by the latching | locking parts 53a and 53b located in a different several place, As a result, it will be easy to drop out in the direction which inclines along the AA straight line in FIG.

したがって、注射針部２２０を別部材の操作等に起因する外力を作用させることなく容易に容器本体１１０へ落下させることが可能となる。なお、係止部５３ａ及び５３ｂの注射器２００の挿入方向に対して互いに離隔する向きにシフトして配置された構成は、図４等に示す注射器の分離構造１に対して適用するようにしてもよく、同様の効果を奏する。   Therefore, the injection needle 220 can be easily dropped onto the container body 110 without applying an external force due to operation of another member. The arrangement of the locking portions 53a and 53b that are shifted from each other with respect to the insertion direction of the syringe 200 may be applied to the syringe separation structure 1 shown in FIG. It often has the same effect.

更に、上記の説明においては、規制部２０は、凹部１２０ｘの底面１２４と同一面上に形成された平板状の本体部２１の縁端である当接面２２上に形成された、外形円柱状の係止部２３を備えるものとしたが、本発明の係止部は、当接面２２を省略した形状として、本体部２１の突端として形成されるものとしてもよい。   Furthermore, in the above description, the restricting portion 20 has an outer cylindrical shape formed on the contact surface 22 that is the edge of the flat plate-like main body portion 21 formed on the same surface as the bottom surface 124 of the recess 120x. However, the locking portion of the present invention may be formed as a protruding end of the main body portion 21 with the contact surface 22 omitted.

更に、上記の説明においては、当接部１０の当接本体部１２は端面１３により注射針部２２０のキャップ部２２１の側面２２１ｘに当接するものとしたが、本発明の当接部は、挿入孔に注射針部が挿入された状態にてシリンジの先端の周縁に当接するものであればよく、したがって当接本体部１２は側面２２１ｘから離隔して位置する構成としてもよい。   Further, in the above description, the contact main body portion 12 of the contact portion 10 contacts the side surface 221x of the cap portion 221 of the injection needle portion 220 by the end surface 13, but the contact portion of the present invention is inserted. As long as it is in contact with the peripheral edge of the tip of the syringe in a state where the injection needle portion is inserted into the hole, the contact main body portion 12 may be configured to be separated from the side surface 221x.

また、上記の説明においては、本発明は、注射器の分離構造１を一実施の形態として、挿入孔に注射針部が挿入された状態にてシリンジの先端の周縁に当接する当接部と、挿入孔に注射針部が挿入された状態にて注射針部の溝に嵌まりこむ係止部とを備え、当接部は係止部に対し、注射針部の挿入方向に沿って手前側に位置している構成を有するものとして説明を行った。   Further, in the above description, the present invention uses the syringe separation structure 1 as an embodiment, and a contact portion that contacts the peripheral edge of the syringe tip in a state where the injection needle portion is inserted into the insertion hole; A locking portion that fits into the groove of the injection needle portion in a state where the injection needle portion is inserted into the insertion hole, and the contact portion is on the near side with respect to the locking portion along the insertion direction of the injection needle portion It was described as having a configuration located in

しかしながら、本発明は、シリンジ及び、一端に注射針が突設され他端にて前記シリンジの先端に螺合する注射針部を有する注射器の、前記シリンジから前記注射針部を分離させる注射針の分離構造であって、前記注射器の前記注射針部が挿入される挿入孔を有する本体部と、前記挿入孔に前記注射針部が挿入された状態における前記注射器の前記シリンジの、挿入方向に沿った動き及び前記シリンジの挿入方向に交差する向きの姿勢変化を規制する第１の規制部と、前記挿入孔に前記注射針部が挿入された状態における前記注射針部の、前記シリンジの前記挿入方向を軸とする回転を規制する第２の規制部とを備え、前記シリンジは、前記第１の規制部にて前記動き及び前記姿勢変化が規制された状態で前記挿入方向を軸とする回転がなされることにより、前記第２の規制部により回転が規制された前記注射針部と相対的に回転して、前記注射針部との螺合が解除されるものとしてもよい。   However, the present invention relates to a syringe and an injection needle that separates the injection needle portion from the syringe of a syringe having an injection needle projecting from one end and screwed to the tip of the syringe at the other end. A main body portion having an insertion hole into which the injection needle portion of the syringe is inserted, and the syringe of the syringe in the state in which the injection needle portion is inserted into the insertion hole along the insertion direction. The first restricting portion for restricting the movement and the posture change in the direction intersecting the insertion direction of the syringe, and the insertion of the syringe in the injection needle portion in a state where the injection needle portion is inserted into the insertion hole A second restricting portion for restricting rotation about the direction, and the syringe rotates about the insertion direction in a state where the movement and the posture change are restricted by the first restricting portion. Gana The Rukoto, said rotation by the second regulating portion is relatively rotated with said needle portion is restricted, or as screwing between the needle portion is released.

したがって、上記の説明においては、本発明は、第１の規制部として当接部１０の当接本体部１２及び端面１３を備えるとともに、第２の規制部としての規制部２０の係止部２３を備えたものとしたが、本発明の第１の規制部は、挿入孔に注射針部が挿入された状態における前記注射器のシリンジの、挿入方向に沿った動き及び前記シリンジの挿入方向に交差する向きの姿勢変化を規制することができればよい。加えて、第２の規制部は、挿入孔に注射針部が挿入された状態における注射針部の、シリンジの挿入方向を軸とする回転を規制することができればよい。すなわち、第１の規制部及び第２の規制部は、それらの個数、形状、挿入方向における配置順のその他の具体的な構成によって限定されるものではない。   Therefore, in the above description, the present invention includes the contact main body portion 12 and the end surface 13 of the contact portion 10 as the first restriction portion, and the locking portion 23 of the restriction portion 20 as the second restriction portion. However, the first restricting portion of the present invention intersects the movement of the syringe of the syringe along the insertion direction and the insertion direction of the syringe with the injection needle portion inserted into the insertion hole. What is necessary is just to be able to regulate the posture change of the direction to do. In addition, the 2nd control part should just control the rotation centering on the insertion direction of a syringe of the injection needle part in the state where the injection needle part was inserted in the insertion hole. That is, the first restricting portion and the second restricting portion are not limited by other specific configurations of the number, shape, and arrangement order in the insertion direction.

更に、上記の説明においては、注射針の分離構造１は、廃棄物容器１００の主蓋部１２０上に一体成形されたものとして説明を行ったが、本発明は、特定の廃棄物容器とは独立した構成であるとしてもよく、既成の廃棄箱や開口箱を閉塞する蓋部材上に形成された構成であるとしてもよいし、医療機器の表面上に作り込まれた構成であるとしてもよい。   Further, in the above description, the injection needle separation structure 1 has been described as being integrally formed on the main lid portion 120 of the waste container 100. However, the present invention refers to a specific waste container. It may be an independent configuration, may be a configuration formed on a lid member that closes an existing disposal box or opening box, or may be a configuration built on the surface of a medical device. .

要するに、本発明は、その要旨を逸脱しない範囲内であれば、以上説明したものを含め、上記実施の形態に種々の変更を加えたものとして実施してもよい。   In short, the present invention may be implemented by adding various modifications to the above-described embodiment, including those described above, as long as they do not depart from the spirit of the present invention.

以上のような本発明は、注射器の廃棄に際し、簡易な操作により注射針をシリンジから確実に分離させて廃棄容器内に収容させることが可能になるというという効果を奏し、例えば注射器の廃棄容器等への適用において有用である。   The present invention as described above has an effect that when the syringe is discarded, the injection needle can be reliably separated from the syringe by a simple operation and can be accommodated in the disposal container. Useful in application.

１、２、３ 注射針の分離構造
１ｘ、１１０ｘ、２１０ｘ 開口
１０、４０ 当接部
１１ 基台部
１２、４２ 当接本体部
１３、２１１、２２２ 端面
２０、５０ 規制部
２１ 本体部
２２、５２ 当接面
２３、５３、５３ａ、５３ｂ 係止部
２４、２２４ 注射針本体
３０ｘ 空隙
１００ 廃棄物容器
１１０ 容器本体
１１１ 内部空間
１２０ 主蓋部
１２０ｘ 凹部
１２１ａ 表面
１２１ｂ 裏面
１２２ 内蓋部
１２２ｘ 投入口
１２３ 外蓋部
１２４ 底面
２００ 注射器
２１０ シリンジ
２１２ 雄ねじ
２１３ 中間部
２２０ 注射針部
２２１ キャップ部
２２１ａ 雌ねじ
２２１ｘ 側面
２２１ｙ 溝
２２１ｚ 端側面
２２３ 装着筒 1, 2, 3 Injection needle separation structure 1x, 110x, 210x Opening 10, 40 Abutting part 11 Base part 12, 42 Abutting body part 13, 211, 222 End face 20, 50 Restricting part 21 Body part 22, 52 Contact surface 23, 53, 53a, 53b Locking portion 24, 224 Injection needle body 30x Gap 100 Waste container 110 Container body 111 Internal space 120 Main lid portion 120x Recessed portion 121a Front surface 121b Back surface 122 Inner lid portion 122x Input port 123 Outside Lid portion 124 Bottom surface 200 Syringe 210 Syringe 212 Male screw 213 Intermediate portion 220 Injection needle portion 221 Cap portion 221a Female screw 221x Side surface 221y Groove 221z End side surface 223 Mounting cylinder

Claims (6)

シリンジ及び、注射針が突設される端面が形成されるとともに前記シリンジの先端に螺合する注射針部を有し、前記注射針部の側面に形成された溝の側端が前記端面に露出している注射器の、前記シリンジから前記注射針部を分離させる注射針の分離構造であって、
前記注射針部が挿入される挿入孔を有する本体部と、
前記挿入孔に前記注射針部が挿入された状態にて前記シリンジの前記先端の周縁に当接する当接部と、
前記挿入孔に前記注射針部が挿入された状態にて前記注射針部の前記溝に嵌まりこむ係止部とを備え、
前記当接部は前記係止部に対し、前記注射針部の挿入方向に沿って手前側に位置している、
注射針の分離構造。 A syringe and an end surface on which the injection needle protrudes are formed, and has an injection needle portion screwed into the tip of the syringe, and a side end of a groove formed on a side surface of the injection needle portion is exposed on the end surface An injection needle separation structure for separating the injection needle portion from the syringe of a syringe,
A main body having an insertion hole into which the injection needle is inserted;
A contact portion that contacts the peripheral edge of the tip of the syringe in a state where the injection needle portion is inserted into the insertion hole;
A locking portion that fits into the groove of the injection needle portion in a state where the injection needle portion is inserted into the insertion hole;
The contact portion is located on the near side along the insertion direction of the injection needle portion with respect to the locking portion.
Separation structure of injection needle. 前記当接部及び前記係止部はそれぞれ複数個であって、前記挿入孔の周囲に交互に配置されている、
請求項１に記載の注射針の分離構造。 The contact portions and the locking portions are each a plurality, and are alternately arranged around the insertion hole.
The separation structure of the injection needle according to claim 1. 前記当接部は、前記注射針部の前記側面にも当接している、
請求項１又は２に記載の注射針の分離構造。 The contact portion is also in contact with the side surface of the injection needle portion;
The separation structure of the injection needle according to claim 1 or 2. 前記係止部は、前記注射部の挿入方向に沿って異なる位置に配置されている、
請求項１から３のいずれかに記載の注射器の分離構造。 The locking part is arranged at a different position along the insertion direction of the injection part,
The separation structure for a syringe according to any one of claims 1 to 3. シリンジ及び、一端に注射針が突設され他端にて前記シリンジの先端に螺合する注射針部を有する注射器の、前記シリンジから前記注射針部を分離させる注射針の分離構造であって、
前記注射器の前記注射針部が挿入される挿入孔を有する本体部と、
前記挿入孔に前記注射針部が挿入された状態における前記注射器の前記シリンジの、挿入方向に沿った動き及び前記シリンジの挿入方向に交差する向きの姿勢変化を規制する第１の規制部と、
前記挿入孔に前記注射針部が挿入された状態における前記注射針部の、前記シリンジの前記挿入方向を軸とする回転を規制する第２の規制部とを備え、
前記シリンジは、前記第１の規制部にて前記動き及び前記姿勢変化が規制された状態で前記挿入方向を軸とする回転がなされることにより、前記第２の規制部により回転が規制された前記注射針部と相対的に回転して、前記注射針部との螺合が解除される、
注射針の分離構造。 A syringe and a syringe having a syringe needle projecting at one end and having a syringe needle portion threadedly engaged with the tip of the syringe at the other end, the syringe needle separating structure for separating the syringe needle portion from the syringe,
A main body having an insertion hole into which the injection needle of the syringe is inserted;
A first restricting portion for restricting movement along the insertion direction of the syringe in a state where the injection needle portion is inserted into the insertion hole and a posture change in a direction crossing the insertion direction of the syringe;
A second restricting portion for restricting rotation of the injection needle portion around the insertion direction of the syringe in a state where the injection needle portion is inserted into the insertion hole;
The syringe is rotated about the insertion direction in a state where the movement and the posture change are regulated by the first regulating unit, and thus the rotation is regulated by the second regulating unit. Rotating relative to the injection needle part, the screwing with the injection needle part is released,
Separation structure of injection needle. 開口を有する容器本体と、
前記開口を閉塞する蓋部とを備えた廃棄物容器であって、
前記蓋部は前記本体部として請求項１から５のいずれかに記載の注射針の分離構造を有し、
前記注射針の分離構造の前記挿入孔は、前記蓋部と前記容器本体の内部とを連通させている、
廃棄物容器。 A container body having an opening;
A waste container comprising a lid for closing the opening,
The lid has the injection needle separating structure according to any one of claims 1 to 5 as the main body,
The insertion hole of the injection needle separation structure communicates the lid and the inside of the container body,
Waste container.
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01503606A (en) * 1987-06-22 1989-12-07 ジエルマン，ブルノ Monocoque device for disassembly and airtight storage of used medical needles
JPH05507431A (en) * 1990-06-12 1993-10-28 メディカル・セイフティー・プロダクツ・インコーポレーテッド Disposal device for disengaging and receiving needles
JP2004261570A (en) * 2002-09-06 2004-09-24 Becton Dickinson & Co Aperture for pen type injection needleaperture for pen type injection needle
KR20120002177U (en) * 2010-09-16 2012-03-26 주식회사 메덱셀 insulin pen needles dispenser
JP2013063204A (en) * 2011-09-20 2013-04-11 Terumo Corp Disposal container for injection needle
JP2013169290A (en) * 2012-02-20 2013-09-02 Iwatsuki Kk Injection needle disposal box
WO2013146868A1 (en) * 2012-03-28 2013-10-03 テルモ株式会社 Disposal container

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01503606A (en) * 1987-06-22 1989-12-07 ジエルマン，ブルノ Monocoque device for disassembly and airtight storage of used medical needles
JPH05507431A (en) * 1990-06-12 1993-10-28 メディカル・セイフティー・プロダクツ・インコーポレーテッド Disposal device for disengaging and receiving needles
JP2004261570A (en) * 2002-09-06 2004-09-24 Becton Dickinson & Co Aperture for pen type injection needleaperture for pen type injection needle
US20050016883A1 (en) * 2002-09-06 2005-01-27 Phan Vu Phan Pen needle sharps port
KR20120002177U (en) * 2010-09-16 2012-03-26 주식회사 메덱셀 insulin pen needles dispenser
JP2013063204A (en) * 2011-09-20 2013-04-11 Terumo Corp Disposal container for injection needle
JP2013169290A (en) * 2012-02-20 2013-09-02 Iwatsuki Kk Injection needle disposal box
WO2013146868A1 (en) * 2012-03-28 2013-10-03 テルモ株式会社 Disposal container

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