JP6725149B2

JP6725149B2 - Syringe aid

Info

Publication number: JP6725149B2
Application number: JP2017144674A
Authority: JP
Inventors: 剛染川
Original assignee: Taisei Kako Co Ltd
Current assignee: Taisei Kako Co Ltd
Priority date: 2017-07-26
Filing date: 2017-07-26
Publication date: 2020-07-15
Anticipated expiration: 2037-07-26
Also published as: JP2019024625A

Description

本発明は、自己注射を行う際に注射器に取り付けて使用する注射器補助具に関する。 TECHNICAL FIELD The present invention relates to a syringe auxiliary tool that is used by being attached to a syringe when performing self-injection.

従来から、患者が注射器を使用して自身に注射剤を投与する自己注射が行われている。自己注射に用いられる注射器は、注射剤が充填される筒状のバレル及び該バレルの軸線方向における一端に設けられる注射針を有する注射器本体と、該注射針を覆うようにして該注射器本体に装着されるキャップとを備えている。 2. Description of the Related Art Conventionally, self-injection has been performed in which a patient uses a syringe to administer an injection to himself. A syringe used for self-injection is a syringe barrel having a cylindrical barrel filled with an injection and an injection needle provided at one end in the axial direction of the barrel, and is attached to the syringe body so as to cover the injection needle. It is equipped with a cap.

前記注射器を用いて自己注射を行う場合、患者は、注射器本体からキャップを取り外して注射針を露出させ、注射針を適切な穿刺深度で人体に穿刺することになる。しかしながら、注射針の穿刺深度を調整することは難しく、また、患者の容体によっては注射器本体からキャップを取り外すことも困難なことがある。 When performing self-injection using the syringe, the patient removes the cap from the syringe body to expose the injection needle, and punctures the human body with the injection needle at an appropriate puncture depth. However, it is difficult to adjust the puncture depth of the injection needle, and it may be difficult to remove the cap from the syringe body depending on the patient's condition.

そこで、患者が簡単且つ適切に自己注射を行えるようにするための注射器補助具が提供されている。 Therefore, there is provided a syringe assisting tool for allowing a patient to easily and appropriately perform self-injection.

かかる注射器補助具は、例えば、特許文献１に開示されているように、上方を開放させた本体と、該本体上を開閉可能なカバーと、前記本体内に対してスライド可能に取り付けられた針キャップ抜去機構部（以下、抜去機構部と称する）と、カバーの閉動作に伴って抜去機構部をスライドさせるためのカムとを備えている。 For example, as disclosed in Patent Document 1, such a syringe assisting tool includes a main body whose upper side is opened, a cover which can be opened and closed on the main body, and a needle which is slidably attached to the inside of the main body. The cap removal mechanism unit (hereinafter referred to as a removal mechanism unit) and a cam for sliding the removal mechanism unit with the closing operation of the cover are provided.

抜去機構部には、注射器本体をバレルの径方向で抜差可能な凹部が形成された収容部と、該収容部に一体成形された爪部とを有する。 The withdrawal mechanism section has a housing section in which a recess is formed so that the syringe body can be removed in the radial direction of the barrel, and a claw section integrally formed with the housing section.

爪部は、収容部に収容された注射器本体とキャップとの間に挿し込まれる部分であり、収容部に差し込まれたバレルの軸線方向と平行又は略平行となる方向において、収容部とともにスライド可能に構成されている。 The claw portion is a portion to be inserted between the syringe body and the cap housed in the housing portion, and is slidable together with the housing portion in a direction parallel or substantially parallel to the axial direction of the barrel inserted in the housing portion. Is configured.

カムは、本体内に取り付けられており、カバーの閉動作に伴って抜去機構部を前方に押し出すように構成されている。 The cam is attached to the inside of the main body, and is configured to push the removal mechanism portion forward with the closing operation of the cover.

前記注射器補助具によれば、収容部内に注射器本体が挿し込まれ、且つ爪部が注射器本体とキャップとの間に挿し込まれている状態においてカバーが閉じられると収容部ごと爪部が前進し、該爪部によってキャップが押されて注射器本体から外れるようになっている。 According to the syringe assisting tool, when the syringe body is inserted into the accommodating portion, and the cover is closed while the claw portion is inserted between the syringe body and the cap, the claw portion advances together with the accommodating portion. The claw portion pushes the cap so that it can be removed from the syringe body.

特開２０１６−１１６９０８号公報JP, 2016-116908, A

ところで、従来の注射器補助具は、キャップを注射器本体から外す際に、注射器本体を受け止めている収容部が爪部とともにスライドするため、注射器本体に対して収容部が擦れたり、押し付けられたりすることがあり、注射器本体に負荷がかかることが問題となっている。 By the way, in the conventional syringe auxiliary tool, when the cap is removed from the syringe body, the housing portion that receives the syringe body slides together with the claw portion, so that the housing portion may be rubbed or pressed against the syringe body. However, there is a problem that a load is applied to the syringe body.

そこで、本発明は、斯かる実情に鑑み、キャップの取り外し時に注射器本体にかかる負荷を抑えることができる注射器補助具を提供することを課題とする。 In view of such circumstances, it is an object of the present invention to provide a syringe assisting tool that can suppress the load applied to the syringe body when the cap is removed.

本発明の注射器補助具は、
筒状のバレル及び該バレルの軸線方向における一端側に設けられる注射針を有する注射器本体と、該注射針を覆うようにして該注射器本体に装着されるキャップとを備える注射器用の注射器補助具であって、
前記注射器本体を前記バレルの径方向で収容及び取り出しが可能な筐体と、
該筐体に収容された前記注射器本体から前記キャップを取り外すための取外部材と、
前記筐体に収容された前記バレルの軸線方向と平行又は略平行な前後方向で前記取外部材を移動させるための操作部とを備え、
前記筐体は、収容した前記バレルの先端側を受ける前受部を有し、
前記取外部材は、
前記前受部の外側面に案内されて前記前後方向に移動する被案内部と、
該被案内部に形成され且つ前記筐体に収容された前記バレルと前記キャップとの間に挿し込まれる爪部とを有し、
前記操作部に対する操作に伴い、前記取外部材が前記前受部に対して前記前後方向で移動するように構成される。 The syringe auxiliary tool of the present invention is
A syringe auxiliary tool for a syringe comprising a syringe barrel having a cylindrical barrel and an injection needle provided on one end side in the axial direction of the barrel, and a cap attached to the syringe body so as to cover the injection needle. There
A housing capable of accommodating and removing the syringe body in the radial direction of the barrel,
A detaching member for detaching the cap from the syringe body housed in the housing;
An operating unit for moving the removing member in a front-back direction parallel or substantially parallel to the axial direction of the barrel housed in the housing,
The housing has a front receiving portion that receives the tip side of the barrel that has been housed,
The removal member is
A guided portion which is guided by the outer surface of the front receiving portion and moves in the front-rear direction,
And a claw portion formed in the guided portion and inserted between the barrel and the cap housed in the housing,
The removal member is configured to move in the front-rear direction with respect to the front receiving portion in response to an operation on the operation portion.

上記構成の注射器補助具によれば、筐体に注射器本体を収容すると、バレルが前受部によって受け止められ、さらに、バレルとキャップとの間には爪部が挿し込まれる。 According to the syringe auxiliary tool configured as described above, when the syringe body is housed in the housing, the barrel is received by the front receiving portion, and the claw portion is inserted between the barrel and the cap.

また、前記注射器補助具では、バレルを受ける前受部の外側面によって、取外部材の被案内部が前記前後方向に案内されるように構成されているため、操作部を操作して取外部材を前方に移動させると、バレル（注射器本体）に取外部材が擦れることなく、キャップが爪部によって前方に押し出される。 Further, in the syringe assisting tool, the guided portion of the removing member is configured to be guided in the front-rear direction by the outer surface of the front receiving portion that receives the barrel. When the material is moved forward, the cap is pushed forward by the claw portion without the removal member rubbing against the barrel (syringe body).

従って、前記注射器補助具は、注射器本体に取外部材からの負荷を与えずにキャップを外すことができる。 Therefore, the syringe auxiliary tool can remove the cap without applying a load from the detaching member to the syringe body.

本発明の注射器補助具において、
前記前受部は、前記筐体の外装に一体成形され、
前記爪部は、前記バレルと前記キャップとの間に挿込可能な初期位置と、該初期位置よりも前方側の取外位置とに移動可能であり、且つ前記初期位置に配置されている状態において前記前受部の前端に当接するように構成されていてもよい。 In the syringe aid of the present invention,
The front receiving part is integrally molded with the exterior of the housing,
A state in which the claw portion is movable between an initial position that can be inserted between the barrel and the cap and a removal position on the front side of the initial position, and is arranged at the initial position. In, it may be configured to abut the front end of the front receiving portion.

かかる構成によれば、前受部が外装と一体成形されるため、製造誤差等による前受部の位置ずれが抑えられる。また、かかる前受部によって爪部が初期位置に位置決めされるため、初期位置への爪部の位置決め精度が高まる。 With this configuration, the front receiving portion is integrally formed with the exterior, so that the positional deviation of the front receiving portion due to manufacturing error or the like can be suppressed. Further, since the claw portion is positioned at the initial position by the front receiving portion, the positioning accuracy of the claw portion at the initial position is improved.

本発明の注射器補助具において、
前記筐体は、前記バレルの前記軸線方向における他端側に形成されたフランジ部に対して前記前後方向における少なくとも前方側で係合する係合止部を有し、該係合止部が前記外装に一体成形されていてもよい。 In the syringe aid of the present invention,
The housing has an engagement stop portion that engages with a flange portion formed on the other end side in the axial direction of the barrel at least on the front side in the front-rear direction, and the engagement stop portion is the engagement stop portion. It may be integrally molded with the exterior.

上記構成の注射器補助具では、バレルとキャップとの間に挿し込まれる爪部と、フランジ部に対して前記前後方向における少なくとも前方側で係合する係合止部とが、係合止部が外装に一体成形されている。すなわち、筐体への注射器本体の収容位置（筐体に注射器本体をセットする位置）を定める爪部と係合止部が外装に一体成形されているため、該爪部と該係合止部の位置精度が高まる結果、筐体における注射器本体の収容位置の精度も高まる。 In the syringe auxiliary tool having the above configuration, the claw portion that is inserted between the barrel and the cap, and the engagement stop portion that engages with the flange portion at least on the front side in the front-rear direction are the engagement stop portions. It is integrally molded on the exterior. That is, since the claw portion and the engagement stop portion that define the accommodation position of the syringe body in the housing (the position where the syringe body is set in the housing) and the engagement stop portion are integrally formed on the exterior, the claw portion and the engagement stop portion are formed. As a result of increasing the position accuracy of the device, the accuracy of the housing position of the syringe body in the housing also increases.

本発明の注射器補助具において、
前記筐体は、
前記筐体からの前記注射器本体の抜き取りを規制可能な抜取規制部を備え、
前記前受部には、前記前受部の後方で前記バレルを受ける後受部が含まれ、
前記抜取規制部は、
前記前受部と前記後受部との間に進退可能であり、且つ
前記前受部と前記後受部との間に進出した状態で
前記筐体に収容されている前記注射器本体の前記バレルの上方を遮るとともに、
前記バレルを前記前受部及び前記後受部に向けて押すように構成されていてもよい。 In the syringe aid of the present invention,
The housing is
A withdrawal restricting portion capable of restricting withdrawal of the syringe body from the housing;
The front receiving portion includes a rear receiving portion that receives the barrel behind the front receiving portion,
The sampling control unit is
The barrel of the syringe main body, which is retractable between the front receiving portion and the rear receiving portion, and is housed in the housing in a state of advancing between the front receiving portion and the rear receiving portion. While blocking the upper part of
The barrel may be configured to be pushed toward the front receiving portion and the rear receiving portion.

このようにすれば、抜取規制部が前受部と後受部との間に進出すると、該抜取規制部によって筐体に収容された注射器本体のバレル上が遮られるため、筐体からの注射器本体の脱落を防止できる。 With this configuration, when the withdrawal restricting section advances between the front receiving section and the rear receiving section, the withdrawal restricting section blocks the barrel of the syringe body housed in the housing, so that the syringe from the housing is removed. It is possible to prevent the body from falling off.

また、前記注射器補助具では、抜取規制部に押された注射器本体を外装に一体成形されている前受部及び後受部とで受け止めるように構成されているため、抜取規制部に押された注射器本体の逃げが抑えられる。従って、前記注射器補助具によれば、注射器本体の保持力が高まる。 Further, since the syringe auxiliary tool is configured to receive the syringe main body pushed by the extraction restricting portion by the front receiving portion and the rear receiving portion which are integrally formed on the exterior, it is pushed by the extraction restricting portion. The escape of the syringe body is suppressed. Therefore, according to the syringe auxiliary tool, the holding force of the syringe body is enhanced.

以上のように、本発明の注射器補助具によれば、キャップの取り外し時に注射器本体にかかる負荷を抑えることができるという優れた効果を奏し得る。 As described above, according to the syringe assisting tool of the present invention, the excellent effect that the load applied to the syringe main body when the cap is removed can be exerted.

図１は、本発明の一実施形態に係る注射器補助具の斜視図である。FIG. 1 is a perspective view of a syringe auxiliary tool according to an embodiment of the present invention. 図２は、同実施形態に係る注射器補助具の平面図である。FIG. 2 is a plan view of the syringe auxiliary tool according to the embodiment. 図３は、同実施形態に係る注射器補助具の側面図である。FIG. 3 is a side view of the syringe auxiliary tool according to the embodiment. 図４は、図２のＡ−Ａ線での断面図であって、爪部が初期位置に配置されている状態における断面図である。FIG. 4 is a cross-sectional view taken along the line AA of FIG. 2 and is a cross-sectional view in a state where the claw portion is arranged at the initial position. 図５は、図２のＡ−Ａ線での断面図であって、爪部が初期位置から取外位置に移動した状態における断面図である。FIG. 5 is a cross-sectional view taken along the line AA of FIG. 2, and is a cross-sectional view in a state in which the claw portion has moved from the initial position to the removal position. 図６は、同実施形態に係る注射器補助具の平面図であって、カバーを取り外した状態の平面図である。FIG. 6 is a plan view of the injector auxiliary tool according to the embodiment, and is a plan view with the cover removed. 図７は、同実施形態に係る注射器補助具の説明図であって、筐体に収容した注射器本体からキャップを取り外す前の状態の説明図である。FIG. 7 is an explanatory diagram of the syringe auxiliary tool according to the embodiment, and is a diagram illustrating a state before the cap is removed from the syringe main body housed in the housing. 図８は、同実施形態に係る注射器補助具の説明図であって、筐体に収容した注射器本体に対してキャップを押し出した状態の説明図である。FIG. 8 is an explanatory diagram of the syringe auxiliary tool according to the embodiment, and is a diagram illustrating a state in which the cap is pushed out with respect to the syringe main body housed in the housing. 図９において、（ａ）は図７の爪部の近傍領域の拡大図であり、（ｂ）は図８の爪部の近傍領域の拡大図である。9A is an enlarged view of a region near the claw portion of FIG. 7, and FIG. 9B is an enlarged view of a region near the claw portion of FIG. 図１０は、キャップ付きの注射器の説明図である。FIG. 10: is explanatory drawing of the syringe with a cap.

以下、本発明の一実施形態にかかる注射器補助具について、添付図面を参照しつつ説明する。本実施形態に係る注射器補助具は、患者が自己注射を行う際に、注射器に取り付けて使用するものである。 Hereinafter, a syringe auxiliary tool according to an embodiment of the present invention will be described with reference to the accompanying drawings. The syringe auxiliary tool according to the present embodiment is used by being attached to a syringe when a patient performs self-injection.

また、注射器とは、注射針を覆って保護するためのキャップが取り付けられたキャップ付きの注射器である。より具体的に説明すると、注射器９は、図１０に示すように、内部に注射剤が充填されるバレル９０と、該バレル９０の軸線方向における一端に設けられた注射針９１と、バレル９０内に充填されている液体を射出する際に操作するプランジャ９２とを有する注射器本体９３を備えている。 The syringe is a syringe with a cap attached with a cap for covering and protecting the injection needle. More specifically, as shown in FIG. 10, the syringe 9 includes a barrel 90 in which an injection agent is filled, an injection needle 91 provided at one end of the barrel 90 in the axial direction, and an inside of the barrel 90. A syringe main body 93 having a plunger 92 to be operated when the liquid filled in is injected.

バレル９０は、円筒状のバレル本体部９００と、該バレル本体部９００の軸線方向における一端（先端）から延出するノズル部９０１と、バレル本体部９００の前記軸線方向における他端（基端）に形成されたフランジ部９０２とを有する。 The barrel 90 includes a cylindrical barrel main body 900, a nozzle 901 extending from one end (tip) of the barrel main body 900 in the axial direction, and the other end (base end) of the barrel main body 900 in the axial direction. And a flange portion 902 formed in.

ノズル部９０１は、中空筒状であり、バレル９０よりも小径となるように形成されている。また、ノズル部９０１の内部は、バレル９０の内部に連通している。フランジ部９０２は、バレル９０の外周全周から径方向外方に向かって突出している。 The nozzle portion 901 has a hollow cylindrical shape and is formed to have a smaller diameter than the barrel 90. The inside of the nozzle portion 901 communicates with the inside of the barrel 90. The flange portion 902 projects radially outward from the entire outer circumference of the barrel 90.

注射針９１は、長手方向における一端側がノズル部９０１内に挿通された状態で固定されている。 The injection needle 91 is fixed such that one end side in the longitudinal direction is inserted into the nozzle portion 901.

プランジャ９２は、棒状のロッド９２０と、該ロッド９２０の長手方向における一端に固定され且つバレル本体部９００の内周面全周に亘って密接するガスケット９２１と、ロッド９２０の長手方向における他端に設けられる頭部９２２とを有する。 The plunger 92 includes a rod-shaped rod 920, a gasket 921 fixed to one end of the rod 920 in the longitudinal direction and in close contact with the entire inner peripheral surface of the barrel body 900, and the other end of the rod 920 in the longitudinal direction. And a head 922 provided.

キャップ９４は、ノズル部９０１に外嵌させて注射器本体９３に装着するように構成されている。また、注射器本体９３に装着されたキャップ９４とバレル９０との間には、前記軸線方向において隙間が形成されるようになっている。 The cap 94 is configured to be fitted onto the nozzle portion 901 and mounted on the syringe body 93. A gap is formed between the cap 94 mounted on the syringe body 93 and the barrel 90 in the axial direction.

注射器補助具１は、図１、及び図４に示すように、注射器９をバレル９０の径方向で収容及び取り出しが可能な筐体２と、該筐体２に収容された注射器本体９３からキャップ９４を取り外すように構成された取外部材３であって、筐体２内に設けられた取外部材３と、筐体２に収容されたバレル９０の軸線方向と平行又は略平行な前後方向で取外部材３を移動（スライド）させるための操作部４と、筐体２からの注射器本体９３の抜き取りを規制可能な抜取規制部５と、筐体２に操作部４を取り付けるための取付構造６（図３参照）と、筐体２内で取外部材３を前記前後方向における一方向側に付勢するための付勢構造７とを備えている。 As shown in FIGS. 1 and 4, the syringe assisting tool 1 includes a housing 2 capable of housing and taking out the syringe 9 in the radial direction of the barrel 90, and a cap from the syringe body 93 housed in the housing 2. A removal member 3 configured to remove 94, and a removal member 3 provided in the housing 2 and a front-back direction parallel or substantially parallel to the axial direction of the barrel 90 housed in the housing 2. The operation part 4 for moving (sliding) the removal member 3, the withdrawal restriction part 5 capable of restricting the withdrawal of the syringe body 93 from the housing 2, and the attachment for mounting the operation part 4 on the housing 2. A structure 6 (see FIG. 3) and a biasing structure 7 for biasing the removal member 3 in the housing 2 toward one side in the front-rear direction are provided.

なお、本実施形態では、平面視において前記前後方向に直交する方向（図２の上下方向に対応する方向）を幅方向と称し、該幅方向及び前記前後方向のそれぞれに直交する方向を上下方向と称して以下の説明を行うこととする。また、本実施形態では、筐体２への注射器９の収容、又は取り外しを行う方向が前記上下方向と対応している。 In the present embodiment, the direction orthogonal to the front-rear direction in plan view (the direction corresponding to the vertical direction in FIG. 2) is referred to as the width direction, and the directions orthogonal to the width direction and the front-rear direction are the vertical directions. Will be described below. In addition, in the present embodiment, the direction in which the syringe 9 is housed in or removed from the housing 2 corresponds to the vertical direction.

図１に示すように、筐体２は、凹状のケース部２０と、該ケース部２０上に取り付けられるカバー部２１と、ケース部２０及びカバー部２１の前端側に設けられる前壁部２２と、ケース部２０及びカバー部２１の後端側に設けられる後壁部２３とを備えている。 As shown in FIG. 1, the housing 2 includes a concave case portion 20, a cover portion 21 mounted on the case portion 20, and a front wall portion 22 provided on the front end side of the case portion 20 and the cover portion 21. And a rear wall portion 23 provided on the rear end side of the case portion 20 and the cover portion 21.

ケース部２０は、前記前後方向における寸法が前記幅方向における寸法よりも長くなっている。また、ケース部２０は、前記幅方向における両端側から中央部側になるにつれて下方に向かうように湾曲している。 The dimension of the case portion 20 in the front-rear direction is longer than the dimension in the width direction. Further, the case portion 20 is curved downward from both ends in the width direction toward the central portion.

そのため、図３に示すように、ケース部２０の底部２００における前記幅方向の両側から上方に向かって延出する一対の壁部（以下、下壁部と称する）２０１は、下端側から上端側になるにつれて前記幅方向における外側に向かって広がるように湾曲している。すなわち、各下壁部２０１は、筐体２の外方側に膨らむように丸みを帯びている。 Therefore, as shown in FIG. 3, a pair of wall portions (hereinafter, referred to as lower wall portions) 201 extending upward from both sides in the width direction of the bottom portion 200 of the case portion 20 have a lower end side to an upper end side. Is curved so as to spread outward in the width direction. That is, each lower wall portion 201 is rounded so as to bulge outward of the housing 2.

また、本実施形態に係るケース部２０では、一対の下壁部２０１のうちの一方の下壁部２０１に対して操作部４を配置するためのケース側切欠部２０１ａが形成されている。ケース側切欠部２０１ａは、下壁部２０１の後端側（後壁部２３に隣接する一端側）に形成されている。 In addition, in the case portion 20 according to the present embodiment, a case-side cutout portion 201a for disposing the operation portion 4 on one lower wall portion 201 of the pair of lower wall portions 201 is formed. The case-side cutout portion 201a is formed on the rear end side of the lower wall portion 201 (one end side adjacent to the rear wall portion 23).

カバー部２１は、ケース部２０上で注射器９を受けるように構成されている。本実施形態に係るカバー部２１は、図２に示すように、前記幅方向で間隔をあけて並ぶ一対の壁部（以下、上壁部と称する）２１０と、一対の上壁部２１０の間でバレル９０を受ける受部２１１と、フランジ部９０２に前記前後方向で係合する係合止部（採番しない）であって、注射器本体９３の前記前後方向での移動を規制するための係合止部とを有する。 The cover portion 21 is configured to receive the syringe 9 on the case portion 20. As shown in FIG. 2, the cover portion 21 according to the present embodiment is provided between a pair of wall portions (hereinafter, referred to as upper wall portions) 210 arranged at intervals in the width direction and a pair of upper wall portions 210. A receiving part 211 for receiving the barrel 90, and an engagement stop part (not numbered) for engaging the flange part 902 in the front-rear direction, and a member for restricting the movement of the syringe body 93 in the front-rear direction. And a stopper.

上壁部２１０は、前記前後方向に延びている。また、各上壁部２１０は、それぞれが別の下壁部２０１（下壁部２０１の上端）に重ねて配置されており、下端側から上端側になるにつれて前記幅方向における内側に向かうように湾曲している。すなわち、各上壁部２１０も円弧状に形成されており、筐体２の外方側に膨らむように丸みを帯びている。 The upper wall portion 210 extends in the front-rear direction. In addition, each upper wall portion 210 is arranged so as to be overlapped with another lower wall portion 201 (an upper end of the lower wall portion 201 ), so that the upper wall portions 210 face inward in the width direction from the lower end side to the upper end side. It is curved. That is, each upper wall portion 210 is also formed in an arc shape, and is rounded so as to bulge outward of the housing 2.

なお、ケース部２０の底部２００、下壁部２０１、及びカバー部２１の上壁部２１０は、使用者（患者）が自己注射を行う際に握る部分である筐体２の外装を構成している。 The bottom portion 200 of the case portion 20, the lower wall portion 201, and the upper wall portion 210 of the cover portion 21 form the exterior of the housing 2 that is a portion that the user (patient) holds when performing self-injection. There is.

一対の上壁部２１０の上端は、前記幅方向で間隔をあけて対向している。そのため、カバー部２１では、一対の上壁部２１０の上端の間の領域を通じて筐体２内への注射器本体９３の収容、又は取り出しを行えるようになっている。 The upper ends of the pair of upper wall portions 210 are opposed to each other at intervals in the width direction. Therefore, in the cover portion 21, the syringe main body 93 can be housed in or taken out from the housing 2 through the region between the upper ends of the pair of upper wall portions 210.

各上壁部２１０の上端部には、前記幅方向における外方側に向けて凹状となる挿込凹部２１０ａが形成されている。挿込凹部２１０ａは、上壁部２１０の後端側に形成されており、隣り合う上壁部２１０の挿込凹部２１０ａと前記幅方向で並んでいる。 An insertion recess 210a that is recessed toward the outer side in the width direction is formed at the upper end of each upper wall 210. The insertion recess 210a is formed on the rear end side of the upper wall 210, and is aligned with the insertion recess 210a of the adjacent upper wall 210 in the width direction.

さらに、本実施形態に係るカバー部２１では、図３に示すように、一対の上壁部２１０のうちの一方の上壁部２１０（前記一方の下壁部２０１上に配置される上壁部２１０）に対して、操作部４を配置するためのカバー側切欠部２１０ｂが形成されている。カバー側切欠部２１０ｂは、上壁部２１０の後端側に形成されており、ケース側切欠部２０１ａと連続して筐体２の内外に連通する連通領域を構成している。 Further, in the cover portion 21 according to the present embodiment, as shown in FIG. 3, one upper wall portion 210 of the pair of upper wall portions 210 (the upper wall portion arranged on the one lower wall portion 201). 210), a cover side notch 210b for arranging the operation portion 4 is formed. The cover-side cutout 210b is formed on the rear end side of the upper wall 210, and forms a communication region that is continuous with the case-side cutout 201a and communicates with the inside and outside of the housing 2.

受部２１１は、受け止めたバレル９０を横たわった姿勢で保つことができるように構成されており、図４に示すように、前記幅方向における両側端に対して前記幅方向における中央部が下方側に位置するように凹状に湾曲している。 The receiving portion 211 is configured so as to be able to hold the barrel 90 that has received it in a lying posture. As shown in FIG. 4, the center portion in the width direction is lower than the both side ends in the width direction. It is concavely curved so that it is located at.

本実施形態に係る受部２１１は、上壁部２１０の前端側（前壁部２２に隣接する一端側）に形成された前受部２１２と、前記前後方向において前受部２１２の後方（すなわち、該前受部２１２よりも上壁部２１０の後端側）に形成された後受部２１３とで構成されている。 The receiving part 211 according to the present embodiment includes a front receiving part 212 formed on the front end side (one end side adjacent to the front wall part 22) of the upper wall part 210 and a rear part of the front receiving part 212 in the front-back direction (that is, , A rear receiving portion 213 formed on the rear wall side of the upper wall portion 210 with respect to the front receiving portion 212.

そのため、受部２１１は、筐体２に収容されるバレル９０の先端側を前受部２１２で受け、該バレル９０の後端側を後受部２１３で受けるように構成されている。なお、本実施形態では、前受部２１２と、後受部２１３とが各上壁部２１０に対して一体成形されている。 Therefore, the receiving portion 211 is configured such that the front end portion of the barrel 90 housed in the housing 2 is received by the front receiving portion 212 and the rear end side of the barrel 90 is received by the rear receiving portion 213. In the present embodiment, the front receiving portion 212 and the rear receiving portion 213 are integrally formed with each upper wall portion 210.

前受部２１２は、別々の上壁部２１０の上端から下方に延出する一対の前側延出部２１２ａと、該一対の前側延出部２１２ａのそれぞれの先端に連続する前側底部２１２ｂとを有する。 The front receiving portion 212 has a pair of front-side extending portions 212a extending downward from the upper ends of the separate upper wall portions 210, and a front-side bottom portion 212b continuous with the respective tips of the pair of front-side extending portions 212a. ..

一対の前側延出部２１２ａは、前記幅方向で間隔をあけて対向している。また、前側延出部２１２ａは、前記幅方向における内面及び外面が前記前後方向に沿って広がっている。 The pair of front-side extending portions 212a are opposed to each other at intervals in the width direction. Further, in the front-side extending portion 212a, the inner surface and the outer surface in the width direction are spread along the front-rear direction.

前側底部２１２ｂは、前記幅方向における両端側から中央部側になるにつれて下方に向かうように湾曲している。そのため、前側底部２１２ｂの内周面及び外周面も、円弧状に形成されており、前記幅方向における両端側から中央部側になるにつれて下方に向かうように湾曲している。 The front bottom portion 212b is curved downward from both ends in the width direction toward the central portion. Therefore, the inner peripheral surface and the outer peripheral surface of the front bottom portion 212b are also formed in an arc shape, and are curved downward from both ends in the width direction toward the central portion.

後受部２１３は、別々の上壁部２１０の上端から下方に延出する一対の後側延出部２１３ａと、該一対の後側延出部２１３ａのそれぞれの先端に連続する後側底部２１３ｂとを有する。 The rear receiving portion 213 includes a pair of rear-side extending portions 213a extending downward from the upper ends of the separate upper wall portions 210, and a rear-side bottom portion 213b continuous with the respective tips of the pair of rear-side extending portions 213a. Have and.

一対の後側延出部２１３ａは、前記幅方向で間隔をあけて対向している。また、後側延出部２１３ａは、前記幅方向における内面及び外面が前記前後方向に沿って広がっている。 The pair of rear side extending portions 213a are opposed to each other with a space in the width direction. In addition, the rear-side extending portion 213a has an inner surface and an outer surface in the width direction that extend along the front-rear direction.

後側底部２１３ｂは、前記幅方向における両端側から中央部側になるにつれて下方に向かうように湾曲している。そのため、後側底部２１３ｂの内周面及び外周面も、円弧状に形成されており、前記幅方向における両端側から中央部側になるにつれて下方に向かうように湾曲している。 The rear bottom portion 213b is curved downward from both ends in the width direction toward the central portion. Therefore, the inner peripheral surface and the outer peripheral surface of the rear bottom portion 213b are also formed in an arc shape, and are curved downward from both ends in the width direction toward the central portion.

なお、後受部２１３は、上述のように、前受部２１２の後方に形成されているため、後受部２１３の前端と前受部２１２の後端との間にはスペースが形成されている。 Since the rear receiving portion 213 is formed behind the front receiving portion 212 as described above, a space is formed between the front end of the rear receiving portion 213 and the rear end of the front receiving portion 212. There is.

また、後受部２１３は、後壁部２３から前方側にずれた位置に形成されており、これにより、後受部２１３の後端と後壁部２３（後壁部２３の前面）との間には隙間が形成されている。 Further, the rear receiving portion 213 is formed at a position displaced from the rear wall portion 23 to the front side, whereby the rear end of the rear receiving portion 213 and the rear wall portion 23 (the front surface of the rear wall portion 23) are formed. A gap is formed between them.

本実施形態では、筐体２に収容した注射器本体９３のフランジ部９０２が各上壁部２１０の挿込凹部２１０ａと、後受部２１３の後端と後壁部２３との間の隙間の間とに配置されるようになっている。 In the present embodiment, the flange portion 902 of the syringe main body 93 housed in the housing 2 is provided between the insertion recess 210 a of each upper wall portion 210 and the gap between the rear end of the rear receiving portion 213 and the rear wall portion 23. It is designed to be placed in and.

そのため、筐体２では、フランジ部９０２に対して前方側で後受部２１３の後端が係合し、後方側で後壁部２３の前面が係合する。すなわち、後受部２１３の後端と、後壁部２３の前面とが注射器本体９３の前記前後方向での移動を規制する係合止部を構成している。 Therefore, in the housing 2, the rear end of the rear receiving portion 213 engages with the flange portion 902 on the front side, and the front surface of the rear wall portion 23 engages with the rear side. That is, the rear end of the rear receiving portion 213 and the front surface of the rear wall portion 23 form an engagement stop portion that restricts the movement of the syringe body 93 in the front-rear direction.

前壁部２２は、筐体２の前面を構成している。また、前壁部２２は、自己注射が行われる際に人体にあてがわれる部分である。 The front wall portion 22 constitutes the front surface of the housing 2. The front wall portion 22 is a portion that is applied to the human body when self-injection is performed.

前壁部２２には、図１に示すように、上方に向けて開放する前壁凹部２２０が形成されている。前壁凹部２２０は、前後方向においても開放しており、筐体２内や、一対の上壁部２１０の上端の間の領域に対して前記前後方向で連続している。 As shown in FIG. 1, the front wall portion 22 has a front wall recess 220 that opens upward. The front wall recess 220 is also open in the front-rear direction and is continuous in the front-rear direction in the housing 2 and in the region between the upper ends of the pair of upper wall portions 210.

なお、本実施形態に係る前壁部２２は、ケース部２０及びカバー部２１の内側に対応する場所に位置する前壁本体部２２１と、ケース部２０及びカバー部２１から外側に延出する前壁延出部２２２とを有する。 The front wall portion 22 according to the present embodiment is located at a position corresponding to the inside of the case portion 20 and the cover portion 21 and the front wall portion 221 before extending outward from the case portion 20 and the cover portion 21. And a wall extension 222.

後壁部２３は、筐体２の後面を構成している。後壁部２３には、上方に向けて開放する後壁凹部２３０が形成されている。後壁凹部２３０も、前後方向においても開放しており、筐体２内や、一対の上壁部２１０の上端の間の領域に対して前記前後方向で連続している。 The rear wall portion 23 constitutes the rear surface of the housing 2. A rear wall recess 230 that opens upward is formed in the rear wall portion 23. The rear wall concave portion 230 is also open in the front-rear direction and is continuous in the front-rear direction with respect to the inside of the housing 2 and the region between the upper ends of the pair of upper wall portions 210.

取外部材３は、前記前後方向において移動可能であり、図４、及び図５に示すように、操作部４の動きに連動して前記前後方向に移動（スライド）するように構成されている。また、取外部材３は、前方側への移動に伴い、筐体２に収容されている注射器本体９３からキャップ９４を取り外すように構成されている。 The detachable member 3 is movable in the front-rear direction, and is configured to move (slide) in the front-rear direction in conjunction with the movement of the operation unit 4, as shown in FIGS. 4 and 5. .. Further, the removal member 3 is configured to remove the cap 94 from the syringe body 93 housed in the housing 2 as the removal member 3 moves to the front side.

本実施形態に係る取外部材３は、図４、及び図６に示すように、受部２１１（前受部２１２）の外側面に案内されて前後方向に移動する被案内部３０と、該被案内部３０に形成され且つ筐体２に収容されたバレル９０とキャップ９４との間に挿し込まれる爪部３１と、被案内部３０と一体に形成され且つ前記付勢構造７によって前記前後方向における後方側に付勢される被付勢部３２（図４参照）と、被案内部３０と一体に形成され且つ操作部４が連結される被連結部３３とを有する。 As shown in FIGS. 4 and 6, the removing member 3 according to the present embodiment includes a guided portion 30 which is guided by an outer surface of the receiving portion 211 (front receiving portion 212) and moves in the front-rear direction, and A claw portion 31 formed on the guided portion 30 and inserted between the barrel 90 and the cap 94 housed in the housing 2, and a front and rear portion formed integrally with the guided portion 30 by the biasing structure 7. It has a biased portion 32 (see FIG. 4) that is biased to the rear side in the direction, and a coupled portion 33 that is integrally formed with the guided portion 30 and to which the operating portion 4 is coupled.

被案内部３０は、前記前後方向でスライド可能となるよう、前受部２１２の外側面に重ねて配置されている。 The guided portion 30 is arranged so as to be slidable in the front-rear direction on the outer surface of the front receiving portion 212.

本実施形態に係る被案内部３０には、前受部２１２の外側面にあてがわれる凹状の当接面３００が形成されており、該当接面３００は、前側延出部２１２ａの外側面に当接する横側当接面３０１と（図５参照）、前側底部２１２ｂの外側面に当接する底側当接面３０２とを有する。 The guided portion 30 according to the present embodiment is formed with a concave contact surface 300 that is applied to the outer surface of the front receiving portion 212, and the corresponding contact surface 300 is on the outer surface of the front extending portion 212a. It has a lateral contact surface 301 that contacts (see FIG. 5) and a bottom contact surface 302 that contacts the outer surface of the front bottom portion 212b.

これにより、被案内部３０は、前受部２１２の外側面によって前記前後方向に案内されるように構成されている。このように、前受部２１２は、前記前後方向で取外部材３を案内するガイド部としての役割も担っている。 Thereby, the guided portion 30 is configured to be guided in the front-rear direction by the outer surface of the front receiving portion 212. In this way, the front receiving portion 212 also plays a role as a guide portion that guides the detaching member 3 in the front-rear direction.

また、取外部材３が最も後方側に配置されている状態において、被案内部３０の当接面３００は、全体が前受部２１２の外側面と当接するため、被案内部３０の当接面３００とバレル９０との間が前受部２１２で遮られた状態になる。 Further, in the state in which the detaching member 3 is arranged on the rearmost side, the contact surface 300 of the guided portion 30 entirely contacts the outer surface of the front receiving portion 212, so that the contact portion of the guided portion 30 contacts. The front portion 212 blocks the space between the surface 300 and the barrel 90.

一方、取外部材３が最も後方側から前方に向けて移動すると、当接面３００の前端側が前受部２１２よりも前方に進出した状態、すなわち、当接面３００の前端側が注射器本体９３に対して露出した状態になるが、前受部２１２の内側面と当接面３００との間には前受部２１２の厚みの分だけ段差が生じるため、当接面３００は注射器本体９３（バレル９０）に対して非接触である。 On the other hand, when the detaching member 3 moves from the rearmost side to the front side, the front end side of the contact surface 300 is advanced to the front side of the front receiving portion 212, that is, the front end side of the contact surface 300 reaches the syringe body 93. Although it is exposed to the outside, a step is formed between the inner surface of the front receiving portion 212 and the contact surface 300 by the thickness of the front receiving portion 212, so that the contact surface 300 is the syringe main body 93 (barrel). 90) non-contact.

爪部３１は、図６に示すように、被案内部３０の前端に形成された一対の引掛片３１０を有する。引掛片３１０は、前記幅方向において、互いに間隔をあけて並ぶように形成されている。なお、一対の引掛片３１０の間の間隔は、キャップ９４の外形よりも小さく設定されている。 As shown in FIG. 6, the claw portion 31 has a pair of hooking pieces 310 formed at the front end of the guided portion 30. The hooking pieces 310 are formed so as to be lined up at intervals in the width direction. The interval between the pair of hooking pieces 310 is set smaller than the outer shape of the cap 94.

爪部３１は、前後方向における移動範囲のうちの最も後方側（前記前後方向において最も後方側）である初期位置と、該移動範囲のうちの最も前方側の位置である取外位置とに移動可能である。なお、初期位置とは、筐体２に注射器本体９３を収容した際に、バレル９０とキャップ９４との間に挿込可能となる爪部３１の配置位置のことであり、取外位置とは、注射器本体９３からキャップ９４を外した際の爪部３１の配置位置のことである。 The claw portion 31 moves to an initial position, which is the rearmost side (the rearmost side in the front-rear direction) of the movement range in the front-rear direction, and a removal position, which is the frontmost position in the movement range. It is possible. The initial position is the position where the claw portion 31 can be inserted between the barrel 90 and the cap 94 when the syringe body 93 is housed in the housing 2, and the removal position is the position. The arrangement position of the claw portion 31 when the cap 94 is removed from the syringe body 93.

引掛片３１０は、片状であり、前方に向けて配置される前面と、後方に向けて配置される後面とを有する。 The hooking piece 310 is in the shape of a piece, and has a front surface arranged toward the front and a rear surface arranged toward the rear.

引掛片３１０の前面は、取外部材３が初期位置から取外位置に向かって移動する際にキャップ９４に当接する面であり、引掛片３１０の後面は、取外部材３が初期位置に配置されている状態において、前受部２１２の前端に当接する面である。 The front surface of the hooking piece 310 is a surface that comes into contact with the cap 94 when the removal member 3 moves from the initial position toward the removal position, and the rear surface of the hooking piece 310 has the removal member 3 placed in the initial position. This is a surface that comes into contact with the front end of the front receiving portion 212 in the opened state.

被付勢部３２は、図４に示すように、ケース部２０の底部２００上に配置されている。また、被付勢部３２は、前壁部２２側に向けて配置される受圧面３２０を有し、該受圧面３２０によって付勢構造７の後述する付勢部材からの付勢力を受けるように構成されている。 The biased portion 32 is arranged on the bottom portion 200 of the case portion 20, as shown in FIG. 4. Further, the biased portion 32 has a pressure receiving surface 320 arranged toward the front wall portion 22 side, so that the pressure receiving surface 320 receives a biasing force from a biasing member of the biasing structure 7 described later. It is configured.

被連結部３３は、被案内部３０の後方に形成されている。本実施形態に係る被連結部３３は、前記幅方向及び前記前後方向に広がる平面３３０ａを有するベース部３３０と、該ベース部３３０の平面３３０ａに立設された連結軸部３３１とを有する。 The coupled portion 33 is formed behind the guided portion 30. The connected portion 33 according to the present embodiment includes a base portion 330 having a flat surface 330a that spreads in the width direction and the front-rear direction, and a connecting shaft portion 331 that is erected on the flat surface 330a of the base portion 330.

操作部４は、図６に示すように、筐体２に対して回転可能に取り付けられたレバー部４０と、該レバー部４０に連続し且つ筐体２内で被連結部３３に連結される作動部４１とを有する。 As shown in FIG. 6, the operation portion 4 is connected to the lever portion 40 that is rotatably attached to the housing 2, and is continuous with the lever portion 40 and is connected to the connected portion 33 in the housing 2. And an operating portion 41.

レバー部４０の基端部は、前記連通領域から筐体２内に挿し込まれており、取付構造６により筐体２内に回転可能に取り付けられている。 The base end portion of the lever portion 40 is inserted into the housing 2 from the communication area, and is rotatably mounted in the housing 2 by the mounting structure 6.

ここで、取付構造６の説明を行う。取付構造６は、図３に示すように、前記レバー部４０を軸支する回転軸部６０を有する。回転軸部６０は、筐体２内で前記上下方向に延びている。なお、本実施形態では、ケース部２０の前記一方の下壁部２０１と、前記一方の上壁部２１０とに対して一つずつ回転軸部６０が形成されている。 Here, the mounting structure 6 will be described. As shown in FIG. 3, the mounting structure 6 has a rotary shaft portion 60 that pivotally supports the lever portion 40. The rotary shaft portion 60 extends in the housing 2 in the vertical direction. In the present embodiment, one rotating shaft portion 60 is formed for each of the one lower wall portion 201 and the one upper wall portion 210 of the case portion 20.

そのため、操作部４は、レバー部４０を筐体２に対して押し倒した姿勢に切り替える押倒操作と、筐体２に対して押し倒された姿勢のレバー部４０を引き起こす引起操作とを行うことができるように構成されている。 Therefore, the operation unit 4 can perform a push-down operation for switching the lever unit 40 to a posture in which the lever unit 40 is pushed down with respect to the housing 2 and a pull-up operation for causing the lever unit 40 to be pushed down with respect to the housing 2. Is configured.

なお、本実施形態では、操作部４を押倒操作すると、取外部材３が前方に移動するとともに、後述する抜取規制部５が上壁部２１０の上端部よりもさらに内側（前記幅方向における内側）に進出する。一方、操作部４を引起操作すると、取外部材３が後方に移動するとともに、後述する抜取規制部５が上壁部２１０の上端部の外側（前記幅方向における外側）に退避する。 In the present embodiment, when the operation portion 4 is pushed down, the removal member 3 moves forward, and the withdrawal restricting portion 5 described later is further inside than the upper end portion of the upper wall portion 210 (the inside in the width direction). ) Advance to. On the other hand, when the operating portion 4 is pulled up, the removing member 3 moves rearward, and the withdrawal restricting portion 5 described later retreats outside the upper end portion of the upper wall portion 210 (outside in the width direction).

作動部４１は、図６に示すように、平板状であり、被連結部３３の平面３３０ａ上に重ねて配置されている。また、作動部４１には、面直交方向において貫通する連結孔４１０が形成されており、該連結孔４１０に連結軸部３３１が挿通されている。なお、連結孔４１０は、平面視において、長円状となるように形成されている。 As shown in FIG. 6, the actuating portion 41 has a flat plate shape and is arranged so as to overlap the flat surface 330 a of the connected portion 33. Further, a connecting hole 410 penetrating in the plane orthogonal direction is formed in the operating portion 41, and the connecting shaft portion 331 is inserted into the connecting hole 410. The connecting hole 410 is formed to have an elliptical shape in a plan view.

さらに、本実施形態に係る操作部４は、筐体２に対して押し倒された状態を維持できるように構成されている。より具体的に説明すると、本実施形態に係る注射器補助具１は、ロック構造８をさらに備えており、該ロック構造８は、操作部４に形成された引掛部８０と、筐体２内に形成された掛止軸部８１であって、該引掛部８０を掛止するための掛止軸部８１とを有する。 Furthermore, the operation unit 4 according to the present embodiment is configured to be able to maintain the state in which it is pushed down with respect to the housing 2. More specifically, the syringe auxiliary tool 1 according to the present embodiment further includes a lock structure 8, and the lock structure 8 is provided in the hook portion 80 formed in the operation portion 4 and in the housing 2. The latch shaft portion 81 is formed, and has a latch shaft portion 81 for latching the hook portion 80.

抜取規制部５は、図４に示すように、前受部２１２と後受部２１３の間において、筐体２に注射器本体９３を収容する領域（以下、収容領域と称する）に対して進退可能に構成されている。 As shown in FIG. 4, the withdrawal restricting unit 5 is capable of advancing and retracting between the front receiving unit 212 and the rear receiving unit 213 with respect to a region (hereinafter, referred to as a storing region) in which the syringe body 93 is stored in the housing 2. Is configured.

本実施形態に係る抜取規制部５は、作動部４１の上面に立設されている。また、抜取規制部５には、前記幅方向における内側に対して凹状の抜止凹部５０が形成されている。 The withdrawal restricting section 5 according to the present embodiment is erected on the upper surface of the operating section 41. In addition, the pull-out restricting portion 5 is formed with a pull-out preventing recess 50 that is concave toward the inner side in the width direction.

抜止凹部５０は、前記幅方向における内側から外側に向かって湾曲した曲面によって構成されている。そして、抜取規制部５が収容領域内に進出すると、抜止凹部５０内には、バレル９０の側部が配置されるようになっている。 The retaining recess 50 is formed of a curved surface that is curved from the inner side to the outer side in the width direction. Then, when the withdrawal restricting portion 5 advances into the accommodation area, the side portion of the barrel 90 is arranged in the withdrawal preventing recess 50.

また、抜取規制部５は、収容領域内への進出に伴い、抜止凹部５０の上端部をバレル９０の上方に配置することができるように構成されており、これにより、筐体２からの注射器本体９３の脱落を防止できるようになっている。 Further, the withdrawal restricting portion 5 is configured so that the upper end portion of the withdrawal recess 50 can be arranged above the barrel 90 as it advances into the accommodation area, whereby the syringe from the housing 2 is ejected. The main body 93 can be prevented from falling off.

付勢構造７は、図４に示すように、前記前後方向において被付勢部３２の前方に配置された台部７０と、該台部７０と被付勢部３２の受圧面３２０とに取り付けられた付勢部材７１とを有する。 As shown in FIG. 4, the urging structure 7 is attached to the base portion 70 arranged in front of the urged portion 32 in the front-rear direction and the pressure receiving surface 320 of the base portion 70 and the urged portion 32. And a biasing member 71 that is formed.

付勢部材７１は、例えば、圧縮コイルバネで構成されており、台部７０に対して受圧面３２０を後方に向けて付勢するように構成されている。そのため、取外部材３は、付勢構造７により常時後方に向けて付勢されている。 The biasing member 71 is composed of, for example, a compression coil spring, and is configured to bias the pressure receiving surface 320 toward the rear with respect to the base 70. Therefore, the removing member 3 is always biased rearward by the biasing structure 7.

本実施形態に係る注射器補助具１は、以上の構成である。続いて、注射器補助具１の使用方法について説明する。 The syringe auxiliary tool 1 according to the present embodiment has the above configuration. Subsequently, a method of using the syringe assisting tool 1 will be described.

患者は、自己注射を行うにあたり、まず、キャップ９４付きの注射器９を注射器補助具１にセットする。 When performing self-injection, the patient first sets the syringe 9 with the cap 94 on the syringe assisting tool 1.

キャップ９４付きの注射器９を注射器補助具１にセットするには、まず、レバー部４０を引起操作して取外部材３を初期位置に配置し、取規制部５を収容領域内から退避させた後に、注射器本体９３をバレル９０の径方向で筐体２（一対の上壁部２１０の間）に挿し込む。 In order to set the syringe 9 with the cap 94 on the syringe auxiliary tool 1, first, the lever portion 40 is operated to be pulled up to dispose the removal member 3 in the initial position, and the removal regulation portion 5 is retracted from the accommodation area. After that, the syringe body 93 is inserted into the housing 2 (between the pair of upper wall portions 210) in the radial direction of the barrel 90.

このようにすると、バレル９０の先端側が前受部２１２によって受け止められ、バレル９０の基端側が後受部２１３によって受け止められる。これにより、注射器本体９３が筐体２内で横たわった姿勢で収容される。これに伴い、バレル９０とキャップ９４との間の隙間に爪部３１が挿し込まれる。 In this way, the front end side of the barrel 90 is received by the front receiving portion 212, and the base end side of the barrel 90 is received by the rear receiving portion 213. As a result, the syringe body 93 is accommodated in the housing 2 in a lying posture. Along with this, the claw portion 31 is inserted into the gap between the barrel 90 and the cap 94.

また、係合止部を構成する後壁部２３と後受部２１３との間にはフランジ部９０２が挿し込まれるため、注射器本体９３の前記前後方向での移動が規制される。これにより、注射器補助具１への注射器９のセットが完了する。 Further, since the flange portion 902 is inserted between the rear wall portion 23 and the rear receiving portion 213, which form the engagement stop portion, the movement of the syringe body 93 in the front-rear direction is restricted. This completes the setting of the syringe 9 on the syringe auxiliary tool 1.

続いて、患者は、図７に示すように、筐体２の後端側に人差指を添え、筐体２の前端側に小指を添えるようにして筐体２を掴む。 Then, as shown in FIG. 7, the patient holds the housing 2 with the index finger attached to the rear end side of the housing 2 and the little finger attached to the front end side of the housing 2.

そして、図８に示すように、患者が自己注射を行いたいタイミングに合わせてレバー部４０を筐体２に対して押倒操作すると、取外部材３が前受部２１２の外側面に案内されながら前方に向かって移動する。 Then, as shown in FIG. 8, when the patient pushes down the lever portion 40 with respect to the housing 2 in accordance with the timing at which the patient wants to perform self-injection, the removal member 3 is guided by the outer surface of the front receiving portion 212. Move forward.

これに伴い、図９（ａ）、及び図９（ｂ）に示すように、キャップ９４が引掛片３１０によって前方に押し出されるため、該キャップ９４が注射器本体９３から外れ、注射器補助具１にセットした注射器９で自己注射できる状態になる。 Along with this, as shown in FIGS. 9( a) and 9 (b ), the cap 94 is pushed forward by the hooking piece 310, so that the cap 94 comes off the syringe main body 93 and is set on the syringe assisting tool 1. The prepared syringe 9 is ready for self-injection.

また、操作部４が引起状態から押倒状態に切り替えられると引掛部８０が掛止軸部８１に掛止される。そのため、患者の指が操作部４から離れても、操作部４の筐体２に対して押し倒されている状態が維持され、抜取規制部５によって筐体２からの注射器本体９３の抜き取りが規制され続ける。 Further, when the operating portion 4 is switched from the raised state to the pushed state, the hook portion 80 is hooked on the hook shaft portion 81. Therefore, even when the finger of the patient is separated from the operation unit 4, the state in which the operation unit 4 is pushed down against the housing 2 is maintained, and the withdrawal restricting unit 5 restricts the withdrawal of the syringe body 93 from the housing 2. Continue to be done.

なお、操作部４を押倒状態から引起状態に切り替えれば、抜取規制部５が収容領域（上壁部２１０の上端よりも内側の領域）の外側に退避するため、注射器本体９３を筐体２から取り出すことができるようになる。 When the operating unit 4 is switched from the pushed-down state to the raised state, the withdrawal restricting unit 5 retreats outside the accommodation region (the region inside the upper end of the upper wall 210), so that the syringe main body 93 is removed from the housing 2. You will be able to take it out.

以上のように、本実施形態に係る注射器補助具１によれば、バレル９０を受ける前受部２１２の外側面によって、取外部材３の被案内部３０が前記前後方向に案内されるように構成されているため、操作部４を操作（押倒操作）して取外部材３を前方に移動させても、バレル９０（注射器本体９３）に取外部材３が擦れることなく、キャップ９４が爪部３１によって前方に押し出されて注射器本体９３から外れる。 As described above, according to the syringe assisting tool 1 of the present embodiment, the guided portion 30 of the detaching member 3 is guided in the front-rear direction by the outer surface of the front receiving portion 212 that receives the barrel 90. Since it is configured, even if the operation member 4 is operated (pushing operation) to move the removal member 3 forward, the removal member 3 is not rubbed against the barrel 90 (syringe body 93) and the cap 94 is clawed. The part 31 pushes it forward to disengage it from the syringe body 93.

また、操作部４を操作（引起操作）して取外部材３を後方に移動させる場合においても、取外部材３の被案内部３０が前受部２１２の外側面によって前記前後方向に案内されるため、取外部材３がバレル９０に擦れることなく初期位置に戻る。 Further, even when the operation member 4 is operated (pulling operation) to move the removal member 3 rearward, the guided portion 30 of the removal member 3 is guided in the front-rear direction by the outer surface of the front receiving portion 212. Therefore, the removal member 3 returns to the initial position without rubbing against the barrel 90.

このように、注射器補助具１は、バレル９０に取外部材３からの負荷を与えずに注射器本体９３からキャップ９４を外せるため、キャップ９４の取り外し時に注射器本体９３にかかる負荷を抑えることができるという優れた効果を奏し得る。 As described above, in the syringe assisting tool 1, the cap 94 can be removed from the syringe main body 93 without applying a load from the detaching member 3 to the barrel 90, so that the load applied to the syringe main body 93 when the cap 94 is removed can be suppressed. It can produce the excellent effect.

また、取外部材３が初期位置に配置されている状態においては、被案内部３０の当接面３００全体が前受部２１２の外側面と当接するため、被案内部３０の当接面３００とバレル９０との間が前受部２１２で遮られており、また、取外部材３が初期位置から取外位置に移動した際においては、注射器本体９３に対して当接面３００が露出するが、当接面３００が注射器本体９３に対しては非接触となるため、当接面３００がバレル９０に対して擦れたり、押し付けられたりすることが確実に防止される。 Further, when the removing member 3 is arranged at the initial position, the entire contact surface 300 of the guided portion 30 contacts the outer surface of the front receiving portion 212, so that the contact surface 300 of the guided portion 30. The front receiving portion 212 blocks the space between the barrel 90 and the barrel 90, and when the removing member 3 moves from the initial position to the removing position, the contact surface 300 is exposed to the syringe body 93. However, since the contact surface 300 is not in contact with the syringe body 93, the contact surface 300 is reliably prevented from being rubbed or pressed against the barrel 90.

また、本実施形態に係る注射器補助具１では、前受部２１２が注射器本体９３を収容するカバー部２１の外装（上壁部２１０）と一体成形されるため、製造誤差等による前受部２１２の位置ずれが抑えられる。また、爪部３１は、初期位置に配置されると前受部２１２の前端に当接する、すなわち、前受部２１２の前端によって初期位置に位置決めされるため、初期位置への爪部３１の位置決め精度が高まる。 Further, in the syringe assisting tool 1 according to the present embodiment, the front receiving portion 212 is integrally formed with the exterior (upper wall portion 210) of the cover portion 21 that houses the syringe main body 93, so the front receiving portion 212 due to manufacturing error or the like. The position shift of is suppressed. Further, since the pawl portion 31 comes into contact with the front end of the front receiving portion 212 when arranged at the initial position, that is, the front end of the front receiving portion 212 positions the initial position, the pawl portion 31 is positioned at the initial position. The accuracy increases.

さらに、本実施形態に係る注射器補助具１は、筐体２への注射器本体９３の収容位置（筐体２に注射器本体９３をセットする位置）を定める爪部３１と係合止部が外装（上壁部２１０）に一体成形されているため、該爪部３１と該係合止部の位置精度が高まる結果、筐体２における注射器本体９３の収容位置の精度も高まる。 Further, in the syringe assisting tool 1 according to the present embodiment, the claw portion 31 and the engagement stop portion that determine the accommodation position of the syringe main body 93 in the housing 2 (the position where the syringe main body 93 is set in the housing 2) and the engagement stopper are exterior ( Since the upper wall portion 210) is integrally formed, the positional accuracy of the claw portion 31 and the engagement stop portion is improved, and as a result, the accuracy of the housing position of the syringe body 93 in the housing 2 is also increased.

そして、本実施形態に係る注射器補助具１では、抜取規制部５に押された注射器本体９３を外装に一体成形されている前受部２１２及び後受部２１３とで受け止めるように構成されているため、抜取規制部５に押された注射器本体９３の逃げが抑えられ、これにより、注射器本体９３の保持力が高まる。 The syringe auxiliary tool 1 according to the present embodiment is configured to receive the syringe main body 93 pushed by the withdrawal restricting portion 5 by the front receiving portion 212 and the rear receiving portion 213 that are integrally formed on the exterior. Therefore, the escape of the syringe main body 93 pushed by the extraction regulation portion 5 is suppressed, and the holding force of the syringe main body 93 is thereby increased.

なお、本実施形態に係る注射器補助具は、上記一実施形態に限定されるものではなく、本発明の要旨を逸脱しない範囲において種々変更を行うことは勿論である。 The syringe assisting tool according to the present embodiment is not limited to the one embodiment described above, and it goes without saying that various modifications are made without departing from the scope of the present invention.

また、上記実施形態において、特に言及しなかったが、前壁部２２は、カバー部２１に対して一体成形されていてもよいし、ケース部２０に対して一体成形されていてもよいし、カバー部２１及びケース部２０とは別体で構成したものをカバー部２１とケース部２０とに取り付けるように構成されていてもよい。 Further, although not particularly mentioned in the above embodiment, the front wall portion 22 may be integrally formed with the cover portion 21, or may be integrally formed with the case portion 20, The cover portion 21 and the case portion 20 may be configured separately from each other and attached to the cover portion 21 and the case portion 20.

また、後壁部２３も、カバー部２１に対して一体成形されていてもよいし、ケース部２０に対して一体成形されていてもよいし、カバー部２１及びケース部２０とは別体で構成したものをカバー部２１とケース部２０とに取り付けるように構成されていてもよい。 Further, the rear wall portion 23 may be integrally formed with the cover portion 21, may be integrally formed with the case portion 20, or may be a separate body from the cover portion 21 and the case portion 20. The structure may be attached to the cover part 21 and the case part 20.

上記実施形態において、付勢部材７１は、操作部４を間接的に付勢していたが、この構成に限定されず、例えば、操作部４を直接的に付勢してもよい。 In the above-described embodiment, the biasing member 71 indirectly biases the operating portion 4, but the biasing member 71 is not limited to this configuration and may directly bias the operating portion 4, for example.

上記実施形態において、付勢構造７では、付勢部材７１が取外部材３を前壁部２２側から後壁部２３側に向けて押すように付勢していたが、この構成に限定されない。例えば、付勢構造７は、付勢部材７１が後壁部２３と取外部材３との間に配置され、且つ取外部材３を後壁部２３側に引っ張るように構成されていてもよい。 In the above-described embodiment, in the biasing structure 7, the biasing member 71 biases the detaching member 3 so as to push it from the front wall portion 22 side toward the rear wall portion 23 side, but it is not limited to this configuration. .. For example, the urging structure 7 may be configured such that the urging member 71 is disposed between the rear wall portion 23 and the removing member 3 and the removing member 3 is pulled toward the rear wall portion 23 side. ..

１…注射器補助具、２…筐体、３…取外部材、４…操作部、５…抜取規制部、６…取付構造、７…付勢構造、８…ロック構造、９…注射器、２０…ケース部、２１…カバー部、２２…前壁部、２３…後壁部、３０…被案内部、３１…爪部、３２…被付勢部、３３…被連結部、４０…レバー部、４１…作動部、５０…抜止凹部、６０…回転軸部、７０…台部、７１…付勢部材、８０…引掛部、８１…掛止軸部、９０…バレル、９３…注射器本体、９４…キャップ、２００…底部、２０１…下壁部、２０１ａ…ケース側切欠部、２１０…上壁部、２１０ａ…挿込凹部、２１０ｂ…カバー側切欠部、２１１…受部、２１２…前受部、２１２ａ…前側延出部、２１２ｂ…前側底部、２１３…後受部、２１３ａ…後側延出部、２１３ｂ…後側底部、２２０…前壁凹部、２２１…前壁本体部、２２２…前壁延出部、２３０…後壁凹部、３００…当接面、３０１…横側当接面、３０２…底側当接面、３１０…引掛片、３２０…受圧面、３３０…ベース部、３３０ａ…平面、３３１…連結軸部、４１０…連結孔、９０２…フランジ部 DESCRIPTION OF SYMBOLS 1... Syringe auxiliary tool, 2... Casing, 3... Removal member, 4... Operation part, 5... Extraction control part, 6... Attachment structure, 7... Energizing structure, 8... Lock structure, 9... Syringe, 20... Case part, 21... Cover part, 22... Front wall part, 23... Rear wall part, 30... Guided part, 31... Claw part, 32... Energized part, 33... Connected part, 40... Lever part, 41 ... operating part, 50... retaining recess, 60... rotating shaft part, 70... stand part, 71... biasing member, 80... hooking part, 81... locking shaft part, 90... barrel, 93... syringe body, 94... cap , 200... bottom part, 201... lower wall part, 201a... case side cutout part, 210... upper wall part, 210a... insertion recessed part, 210b... cover side cutout part, 211... receiving part, 212... front receiving part, 212a... Front extension part, 212b... Front bottom part, 213... Rear receiving part, 213a... Rear extension part, 213b... Rear bottom part, 220... Front wall recessed part, 221... Front wall main body part, 222... Front wall extension part , 230... Rear wall recess, 300... Abutment surface, 301... Lateral abutment surface, 302... Bottom abutment surface, 310... Hooking piece, 320... Pressure receiving surface, 330... Base portion, 330a... Plane, 331... Connection shaft portion, 410... Connection hole, 902... Flange portion

Claims

A syringe auxiliary tool for a syringe, comprising a syringe barrel having a cylindrical barrel and an injection needle provided on one end side in the axial direction of the barrel, and a cap attached to the syringe body so as to cover the injection needle. There
A housing capable of accommodating and removing the syringe body in the radial direction of the barrel,
A detaching member for detaching the cap from the syringe body housed in the housing;
An operating unit for moving the removing member in a front-back direction parallel or substantially parallel to the axial direction of the barrel housed in the housing,
The housing has a front receiving portion that receives the tip side of the barrel that has been housed,
The removal member is
A guided portion that is guided by the outer surface of the front receiving portion and moves in the front-rear direction,
And a claw portion formed in the guided portion and inserted between the barrel and the cap housed in the housing,
With the operation on the operation portion, the removal member is configured to move in the front-rear direction with respect to the front receiving portion ,
A state in which the claw portion is movable between an initial position that can be inserted between the barrel and the cap and a removal position on the front side of the initial position, and is arranged at the initial position. In, it is configured to contact the front end of the front receiving portion,
Syringe aid.

The housing has an engagement stop portion that engages with a flange portion formed on the other end side in the axial direction of the barrel at least on the front side in the front-rear direction, and the engagement stop portion is the engagement stop portion. The syringe auxiliary tool according to claim 1 , which is integrally molded with the exterior.

The housing is
A withdrawal restricting portion capable of restricting withdrawal of the syringe body from the housing;
The front receiving portion includes a rear receiving portion that receives the barrel behind the front receiving portion,
The draw-off restriction unit is a pre-SL before receiving retractable between the rear receiving portion, before Kikatamitai while advancing between said rear receiving portion and且previous SL before receiving with blocking the above the barrel of the syringe body being accommodated, the syringe aid according to configured claim 2 to press the front Symbol barrel toward the front receiving portion and the rear receiving portion.