JP2004166978A - Vessel for medicinal liquid - Google Patents

Vessel for medicinal liquid Download PDF

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Publication number
JP2004166978A
JP2004166978A JP2002336579A JP2002336579A JP2004166978A JP 2004166978 A JP2004166978 A JP 2004166978A JP 2002336579 A JP2002336579 A JP 2002336579A JP 2002336579 A JP2002336579 A JP 2002336579A JP 2004166978 A JP2004166978 A JP 2004166978A
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JP
Japan
Prior art keywords
nozzle
filter
container
container body
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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JP2002336579A
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Japanese (ja)
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JP4744775B2 (en
Inventor
Tomohiko Kubo
朋彦 久保
Ikuko Asada
育子 浅田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wakamoto Pharmaceutical Co Ltd
Nipro Corp
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Wakamoto Pharmaceutical Co Ltd
Nipro Corp
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Publication date
Priority to JP2002336579A priority Critical patent/JP4744775B2/en
Application filed by Wakamoto Pharmaceutical Co Ltd, Nipro Corp filed Critical Wakamoto Pharmaceutical Co Ltd
Priority to ES03715756T priority patent/ES2400177T3/en
Priority to PCT/JP2003/004318 priority patent/WO2003084460A1/en
Priority to EP20030715756 priority patent/EP1495747B1/en
Priority to KR20047015814A priority patent/KR100660676B1/en
Priority to CNB038130998A priority patent/CN1326509C/en
Priority to AU2003220987A priority patent/AU2003220987A1/en
Priority to US10/510,054 priority patent/US7225949B2/en
Publication of JP2004166978A publication Critical patent/JP2004166978A/en
Priority to HK05103053A priority patent/HK1070266A1/en
Application granted granted Critical
Publication of JP4744775B2 publication Critical patent/JP4744775B2/en
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  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vessel for medicinal liquid for preventing bacteria and microbes from intruding into the inner part of the vessel when an original shape is restored after discharging the medicinal liquid in the inside from a nozzle hole by pressure. <P>SOLUTION: This vessel includes: a flexible vessel body 1 which has a mouth part 12 at one end and is easily deformed by pressure; and a cap 2 attached to the mouth part 12 of the vessel body in a liquidtight state. The cap is provided with a nozzle 24 communicating the inner part of the vessel body 1 with atmospheric air; and a ventilation hole 28. A vent communication hole 36 includes a check valve 41 for restricting air inflow from the ambience to the vessel body 1. When the vessel body 1 returns to the original shape after the discharge of the medicinal liquid, the amount of the air inflow is restricted by the check valve 41 even when ambient air is allowed to enter the vessel body 1 from the vent communication hole 36. Consequently, a sufficient time is secured for collecting the medicinal liquid on a hydrophilic filter 4 into the vessel body 1, so that probability for allowing the bacteria to contaminate the liquid is reduced to the minimum. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、薬液容器に関する。さらに詳しくは、液状の薬品や化粧品を保存する目的に使用される薬液容器であって、細菌や微生物等により容器内部が汚染されないようにした薬液容器に関する。
【0002】
【従来の技術】
一般に、液状の薬品や化粧品を保存するために使用される薬液容器は、容器内部と外部が無菌的に隔離されていない。したがって、いったん開封され使用し始めると、ノズル孔を通じて容器内部の薬液が大気に暴露されてしまう。そのため、ノズル孔を通して大気中の浮遊細菌が容器内部に進入する可能性があり、また、使用時にノズルが皮膚に触れた場合には、皮膚に付着していた細菌や微生物が容器内部に容易に進入してしまう。さらに、薬液容器としては、一般に手指による押圧により内部の薬液が排出され、押圧の開放により元の形状にもどる容器が使用されている。したがって押圧により変形した容器が元の形状にもどる際には、容器内部へ大気が流入するが、それに伴い大気中の細菌や微生物も容器内部へ吸引される可能性もある。
このため従来の薬液容器では、細菌や微生物等が容器内に進入すると、薬液中の有効成分、あるいは薬液を安定化する目的で添加された緩衝剤や溶解補助剤を養分として、容器内部で繁殖する虞が極めて高かった。
【0003】
そこで、使用後にノズル内に残留した薬液が容器内部に逆流する際や、押圧により弾性変形した容器が元の形状にもどる際に、細菌や微生物等が侵入するのを阻止する目的で、ノズルにフィルターを設けた容器が提案されている(例えば、特許文献1参照)。
しかし、ノズルにフィルターを設けた場合であっても、液体も気体も通すフィルターは一般に孔径が大きいため、小さな細菌や微生物を捕捉することは不可能である。また、小さな細菌や微生物等をも捕捉可能な親水性フィルターや疎水性フィルターを設けた場合であっても、親水性フィルターは、液体は通すが気体は通さないため、押圧により変形した容器は、元の形状にもどることができない。
【0004】
そこで、変形した容器を元の形状に戻すために、大気を流入させるための疎水性フィルターを設けた発明もなされている(例えば、特許文献2参照)。しかし、このものはノズル孔が通気孔も兼ねているため、疎水性フィルター上にノズルから逆流した薬液が滞留した場合、大気の流入は制限され、容器は元の形状にもどることができない。
【0005】
一方、容器への外気の流入を阻止して、細菌類の混入を防止することを目的としたもの(例えば、特許文献3参照)もある。
この従来例は、図7に示すように、容器102 の口部に栓体103 を取付けている。栓体103 は有頂円筒状の部材であり、その内部には、有頂円筒状の嵌合部134 が組込まれている。この栓体103 の頂部と嵌合部134 の頂部とは間隔があいており、栓体103 の頂部中央にはノズル131 が形成され、嵌合部134 の頂部中央には弁孔106 が形成されている。そして、ノズル131 の裏面にはフィルター107 が配置され、弁孔106 の上面には逆止弁108 が配置されている。フィルター107 と逆止弁108 の間の空間は薬液の収容空間109 となっている。
用時に際して外キャップ140 を外し容器102 を手で圧迫すると、内部の薬液が弁孔106 を通り、逆止弁108 を押し開き、収容空間109 を満たした後、ノズル131 から排出される。容器102 を圧迫した手を緩めると、容器102 が元の形状に戻ろうとするため、負圧が生じ、薬液の排出は止まる。同時に逆止弁108 が閉じるので、外気がノズル131 から流入しても、容器102 内には流入しない。
しかしながら、ノズル131 内に薬液が滞留するおそれもあり、その場合、外気と直接接するノズル131 の先端部分で細菌が繁殖するおそれがある。
そして、次の用時に汚染された薬液等が患者に使用されることになるから、この従来例においても、薬液の無菌状態を確保することはできない。
【0006】
【特許文献1】
実公昭35−592号公報
【特許文献2】
特公平3−61461号公報
【特許文献3】
特開2002−80055号公報
【0007】
【発明が解決しようとする課題】
本発明はかかる事情に鑑み、手指による押圧によってノズル孔から内部の薬液を排出し、押圧の解放後は元の形状にもどるようにした薬液容器において、薬液容器のノズルが、手指や顔といった雑菌の多い皮膚に接した場合であっても、細菌や微生物が容器内部へ侵入することがなく、かなり高いレベルで無菌状態を確保できる薬液容器を提供することを目的とする。
【0008】
【課題を解決するための手段】
請求項1の薬液容器は、一端に口部を有し、押圧により容易に変形可能な可撓性の容器本体と、該容器本体の前記口部に液密に取り付けられるキャップとを備えており、前記キャップは、前記容器本体の内部と大気とを連通させるノズルおよび通気孔と、前記ノズルを塞ぐ親水性フィルターと、前記通気孔を塞ぐ疎水性フィルターと、前記通気孔から前記容器本体の内部への空気の流入を制限する流量制限部材とを備えることを特徴とする。
請求項2の薬液容器は、請求項1記載の発明において、前記キャップはフィルター取付部材を備えており、該フィルター取付部材は、前記キャップのノズルおよび通気孔にそれぞれ連通するノズル連通孔と、通気連通孔を備え、前記ノズル連通孔に親水性フィルターを取付け、前記通気連通孔に疎水性フィルターを取付け、前記通気連通孔に、外部から容器本体内への空気の流入を制限する流量制限部材を取付けたことを特徴とする。
請求項3の薬液容器は、請求項1記載の発明において、前記流量制限部材が、逆止弁であることを特徴とする。
請求項4の薬液容器は、請求項1記載の発明において、前記流量制限部材が、絞りであることを特徴とする。
【0009】
【発明の実施の形態】
まず、図1〜図5に基づき、フィルター取付部材を用いた薬液容器の一実施形態を説明する。
図1は本発明の一実施形態に係る薬液容器の分解斜視図、図2は同薬液容器の断面図、図3はフィルターを取り付けていない状態のフィルター取付部材であって、(A)図は平面図、(B)図は断面図、(C)図は底面図、図4はフィルターを取り付けた状態のフィルター取付部材であって、(A)図は平面図、(B)図は底面図、図5は逆止弁41を示し、(A)図は閉弁状態の断面図、(B)図は開弁状態の断面図である。
【0010】
図1および図2において、1は容器本体であり、この容器本体1は、有底円筒状あるいは側壁の下端部を閉止したものなど、任意の形態を採用でき、かつその上端には胴部11よりも細径の口部12が設けられている。そして、口部12の外周面には、後述するキャップ2を螺合するための雄ネジ13が形成されている。
前記容器本体1の材質は、手指での押圧により変形可能で、かつそのような押圧から開放されたときに、容易に元の形状に戻り得る可撓性材料が採用される。このような可撓性材料としては、例えばポリプロピレン、ポリエチレン、ポリエチレンテレフタレート、ポリエチレンテレナフタレート、ポリエステル、軟質ポリ塩化ビニル、熱可塑性エラストマー、ポリカーボネート等の弾性を有する各種高分子素材が挙げられる。
【0011】
2はキャップであり、このキャップ2は、有頂円筒状に形成された部材であって、円形の天面21と、その周縁から延びるスカート部22からなる。そして、スカート部22の内周面には、雌ネジ23が形成されている。この雌ネジ23は前記口部12の雄ネジ13に螺合させるためのものである。したがって、キャップ2を口部12に螺合すれば、容器本体1を液密に封止することができる。
前記天面21の中心部分には反スカート部側に突出するノズル24が設けられている。このノズル24は、円筒状あるいは円錐台形状に形成されており、その内部には長軸方向に貫通した液体の流通路としてのノズル孔25が形成されている。また、キャップ2の天面21には、ノズル24と同心状かつ半径方向外側に円筒壁26が設けられており、その外周面には雄ネジ27が形成されている。
前記キャップ2において、ノズル24と円筒壁26の間の天面21部分において、これを貫通するように通気孔28が設けられている。なお、通気孔28は、1箇所から数箇所設けることができる。
【0012】
3はフィルター取付部材であり、概ね円板状の部材である。このフィルター取付部材3を図3を併せ参照しながら説明すると、円形の取付面31と、その下面に環状に形成したスカート部32を備えている。取付面31の外径は前記口部12より大きく、しかも前記キャップ2の内周に収まる大きさであり、スカート部32の外径は容器本体1の口部12の内周に収まる大きさである。
したがって、図2に示すように、キャップ2の内部にフィルター取付部材3を挿入し、キャップ2を容器本体1の口部12に螺合すれば、口部12とキャップ2の裏面の間にフィルター取付部材3を挟み付けることができる。
【0013】
このフィルター取付部材3の取付面31の上面中央には小さな円筒状突起33が形成され、その中心を通り、円筒状突起33の上端から取付面31の底面まで貫通するようにノズル連通孔34が形成されている。このノズル連通孔34は前記ノズル24のノズル孔25と連通する。そして、取付面31の底面におけるノズル連通孔34の周囲には溝35が形成されている。この溝35はノズル連通孔34と通ずる放射状の溝35a と、それと通ずる環状の溝35b の集合体である。
また、取付面31の中心から半径方向外側に離れ、かつスカート部32の内側の位置には、取付面31の表面から底面まで貫通するように通気連通孔36が形成されている。そして、取付面31の上面における通気連通孔36の周囲には溝37が形成されている。この溝37は、通気連通孔36と通ずる放射状の溝37a と、それと通ずる環状の溝37b の集合体である。そして、この溝37を通じて通気連通孔36と前記通気孔28が連通している。
【0014】
本発明においては、通気孔28から容器本体1内部への空気の通路に流量制限部材が設けられる。この流量制限部材は、空気の流量を制限する機能を持つものであればどのようなものであってもよい。本発明において好適な流量制限部材は、逆止弁や絞りであり、絞りとしてはチョークとオリフィスがあるが、これら以外のものを用いてもよいことは勿論である。
【0015】
図1〜図5の実施形態においては、通気孔28から容器本体1に至る通路である通気連通孔36内に、逆止弁41が設けられている。この逆止弁41はフィルター取付部材3と一体のものでもよく、別部材として作成したものを挿入固定してもよい。一体に形成する場合、逆止弁の弁体は弾力性を持っている必要があるので、フィルター取付部材3の素材は弾力性のある軟質なものであって、フィルターを溶着可能なものであれば特に限定されないが、具体的には、例えば熱可塑性エラストマーやポリオレフィン系樹脂(低密度ポリエチレン、ランダムポリプロピレン)が挙げられる。また、逆止弁41を別部材として取り付ける場合、逆止弁41の素材としては、前記した熱可塑性エラストマーやポリオレフィン系樹脂に加え、ブチルゴム等の加硫ゴムやシリコンゴムも採用可能である。なおこの場合、フィルター取付部材3の素材としては、医療器具として採用実績のある高分子材料ならばいずれも好適に採用できる。
図5に示すように、逆止弁41は、薬液dの外部への流出を阻止し(A図参照)、空気aの内部への流入を許容する方向に設けられている(B図参照)。
したがって、指で容器本体1を圧迫し、薬液をノズル孔25から排出するとき、(A)図に示すように、薬液dは逆止弁41で遮られて通気連通孔36に進入することはない。また容器本体1が常態のときも同様である。そして、圧迫されている容器本体1から手指を離し、容器本体1がもとの形状に膨らもうとするとき、通気孔28および通気連通孔36から外気aが容器本体1内に流入しようとする。このとき外気と容器本体1内の負圧との差によって、(B)図に示すように、逆止弁41が若干開くので、その細い開口部分を通って空気aが流入することになる。
【0016】
図2に示すように、キャップ2を容器本体1の口部12に螺合させると、フィルター取付部材3が口部12の上端部に固定された状態で、ノズル24のノズル孔25はノズル連通孔34を介して容器本体1の内部と連通し、通気孔28は通気連通孔36を介して容器本体1の内部と連通することになる。
そして、図2および図4に示すように、親水性フィルター4はフィルター取付部材3の底面に取付けられ、疎水性フィルター5はフィルター取付部材3の天面に取付けられる。
【0017】
前記親水性フィルター4と前記疎水性フィルター5は、平膜状であり、溶着等によって取付可能な部材である。用いられる溶着方法としては、超音波溶着、高周波溶着、熱溶着等が採用可能であるが、本発明の場合、熱溶着が好適である。
図4の(A)図に示すように、疎水性フィルター5をフィルター取付部材3の天面における溝37の上面とその周囲に溶着すれば、通気連通孔36と溝37を塞ぐことができる。なお、38は疎水性フィルター5の位置決めリブである。親水性フィルター4をフィルター取付部材3の底面における溝35の上面とその周囲に溶着すれば、ノズル連通孔34と溝35を塞ぐことができる。
【0018】
前記各フィルター4,5の孔径は、汚染起因菌として通常知られているCandida albicans、Pseudomonas属、Burkholderia cepaciaらの容器内部への侵入を防ぐために、好ましくは0.45μm以下、より好ましくは0.22μm以下であることが望ましい。また、フィルターの捕捉機構は、フィルター内部で捕捉する「デプスタイプ」と、フィルター表面で捕捉する「スクリーンタイプ」の2種類に大別されるが、本発明ではいずれのタイプも好適に用いることができる。
【0019】
図1および図2に示すノズルキャップ6は、底部が開口した略円筒状の部材であり、その天面の裏側には、ノズル24の先端部に密着しノズル孔25を気密に密閉する封止部61が設けられている。この封止部61は、通常円筒状に形成されている。ノズルキャップ6は、本実施形態においては円筒壁26に螺合もしくは咬合して冠着されるが、円筒壁26を設けない場合にあっては、スカート部22の外周面に螺合もしくは咬合して冠着されるように形成される。なおノズルキャップ6は、単にノズル24に冠着させるだけのもの、すなわち封止部61だけで構成された例えばゴムキャップのようなものであってもよい。
【0020】
つぎに、上記実施形態の作用効果を説明する。
まず用時にはノズルキャップ6を取り外す。ついで、薬液を排出すべく容器本体1を手指で圧迫すると、内部の薬液が押し出され、親水性フィルター4を通過してノズル24から外部に滴下される。このとき、図5の(A)図に示すように、逆止弁41は閉じているので、薬液dは通気連通孔36に進入せず、疎水性フィルター5に触れることもない。このため、疎水性フィルター5の材質と相性の悪い薬液を用いる場合であっても、疎水性フィルター5の劣化(例えば、親水性化など)を防止でき、疎水性フィルター5の下面(溝37内)での薬液の結晶析出を防止でき、また溝37内の薬液を栄養分として疎水性フィルター5の上面で、例えばAureobasidium Pullulansや、Aspergillus Oryzac等、膜面下に菌糸を伸ばす細菌が繁殖することを防止することができる。したがって、ひいては薬液の無菌化に貢献することができる。
そして、必要量滴下した後、容器本体1の圧迫を締めると、容器本体1はその可撓性に基づき元の形状に戻るように膨らむ。このとき容器本体1内は負圧になる。この負圧と外気との圧力差によって、ノズル孔25の内部に排出停止後に溜まっていた薬液は、親水性フィルター4を通過して、容器本体1内に戻されることになる。一方、図5の(B)図に示すように逆止弁41は若干開くので、薬液が容器本体1内に戻された後も外部の空気aは少しずつ容器本体1内に進入し、容器本体1の元の形状への復帰も時間をかけてゆっくりと行われる。すなわち、親水性フィルター4上の薬液が容器本体1内に回収される十分な時間を確保することができる。
このように、容器本体1内の負圧により薬液が親水性フィルター4を通過する時間が充分確保されることから、ノズル孔25内に薬液の残りが溜まることは避けられる。したがって、細菌の付着した薬液が再び容器本体1内へ入ってくる危険性を極少にすることができる。
【0021】
つぎに、本発明の他の実施形態を説明する。
図6に示す他の実施形態は、逆止弁として薄肉状の弁体を用いたものである。この逆止弁42は、弁体が薄いので、容器本体1内の負圧に敏感に反応して開弁しやすくなる。ただし、余り薄くすると大きく弁体が開きすぎ、ノズル孔26内の薬液の親水性フィルター4を通過する時間が短くなるので、適当な時間になるように、その厚さを選定すればよい。
【0022】
前記各実施形態はいずれも逆止弁を流量制限部材として用いたが、この代わりに絞りを用いてもよい。この絞りとしては、チョークでもよくオリフィスでもよい。チョークは長さが開口断面寸法に比べ長い絞りであり、オリフィスは長さが開口断面寸法に比べ短い絞りである、いずれの絞りを用いる場合も、容器本体1内にノズル孔26内の薬液が帰る際に、親水性フィルター4を通過する時間を必要なだけ確保できればよい。
この実施形態においても、前記実施形態と同様に薬液への細菌の付着を阻止できる。
【0023】
上記各実施形態において、逆止弁や絞りはフィルター取付部材3に形成された通気連通孔36中に設けたが、フィルター取付部材3を用いない実施形態においては、通気孔28と容器本体1との間の空気の通路中、例えば通気孔28内、あるいは通気孔28の天面21部分に設ければよい。
本発明に係る薬液容器は、化粧品よりも高い無菌性の要求される薬品において、さらに薬品の中にあっても、保存剤の添加が制限される点眼剤を保存する点眼容器に使用する場合においてその効果は顕著である。
【0024】
【発明の効果】
請求項1の発明によれば、ノズルが親水性フィルターで塞がれ、通気孔が疎水性フィルターで塞がれているので、ノズルからの細菌や微生物等の侵入が親水性フィルターで阻止され、通気孔からの細菌や微生物等の侵入が疎水性フィルターで阻止される。しかも、薬液注出後に容器本体が元の形状に戻るとき、外気が通気孔から容器本体内に流入しようとするが、流量制限部材によって流入する空気の量は制限されるので、容器本体が元の形状に戻るまでに行われる空気流入の時間が長くなる。このため、親水性フィルター上の薬液が容器本体内に回収される十分な時間が確保されるので、細菌が薬液に付着する可能性が極限まで少なくなる。
請求項2の発明によれば、薬液注出後に容器本体が元の形状に戻るとき、外気が通気連通孔から容器本体内に流入しようとするが、流量制限部材によって流入する空気の量は制限されるので、容器本体が元の形状に戻るまでに行われる空気流入の時間が長くなる。このため、親水性フィルター上の薬液が容器本体内に回収される十分な時間が確保されるので、細菌が薬液に付着する可能性が極限まで少なくなる。また、薬液注出時に、流量制限部材によって疎水性フィルターへの薬液の到達が阻害されるので、疎水性フィルターと薬液との接触が断たれ、この点でも薬液に細菌が付着することが阻止される。
請求項3の発明によれば、薬液注出後に容器本体が元の形状に戻るとき、外気が通気連通孔から容器本体内に流入しようとしても、逆止弁によって流入する空気の量は制限されるので、容器本体が元の形状に戻るまでに行われる空気流入の時間が長くなる。このため、親水性フィルター上の薬液が容器本体内に回収される十分な時間が確保されるので、細菌が薬液に付着する可能性が極限まで少なくなる。また、薬液注出時に、逆止弁によって疎水性フィルターへの薬液の到達が阻害されるので、疎水性フィルターと薬液との接触が断たれ、この点でも薬液に細菌が付着することが阻止される。
請求項4の発明によれば、薬液注出後に容器本体が元の形状に戻るとき、外気が通気連通孔から容器本体内に流入しようとしても、絞りによって流入する空気の量は制限されるので、容器本体が元の形状に戻るまでに行われる空気流入の時間が長くなる。このため、親水性フィルター上の薬液が容器本体内に回収される十分な時間が確保されるので、細菌が薬液に付着する可能性が極限まで少なくなる。また、薬液注出時に、絞りによって疎水性フィルターへの薬液の到達が阻害されるので、疎水性フィルターと薬液との接触が断たれ、この点でも薬液に細菌が付着することが阻止される。
【図面の簡単な説明】
【図1】本発明の一実施形態に係る薬液容器の分解斜視図である。
【図2】同実施形態の薬液容器の縦断面図である。
【図3】フィルターを取り付けていない状態のフィルター取付部材であって、(A)図は平面図、(B)図は断面図、(C)図は底面図である。
【図4】フィルターを取り付けた状態のフィルター取付部材であって、(A)図は平面図、(B)図は底面図である。
【図5】逆止弁41を示し、(A)図は閉弁状態の断面図、(B)図は開弁状態の断面図である。
【図6】本発明の他の実施形態における薬液容器で用いられる逆止弁42を取付けたフィルター取付部材の段面図である。
【図7】従来の薬液容器の口部内を示す段面図である。
【符号の説明】
1 容器本体
2 キャップ
3 フィルター取付部材
4 親水性フィルター
5 疎水性フィルター
12 口部
24 ノズル
25 ノズル孔
28 通気孔
34 ノズル連通孔
36 通気連通孔
41,42 逆止弁
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a drug solution container. More specifically, the present invention relates to a liquid medicine container used for storing liquid medicines and cosmetics, which is adapted to prevent the inside of the container from being contaminated by bacteria, microorganisms and the like.
[0002]
[Prior art]
In general, the inside and the outside of a chemical solution container used for storing liquid medicines and cosmetics are not aseptically isolated. Therefore, once opened and used, the chemical inside the container is exposed to the atmosphere through the nozzle hole. Therefore, airborne bacteria may enter the inside of the container through the nozzle hole.If the nozzle touches the skin during use, bacteria and microorganisms adhering to the skin may easily enter the inside of the container. I will enter. Further, as the chemical liquid container, a container is generally used in which the internal chemical liquid is discharged by pressing with a finger and returns to the original shape by releasing the pressing. Therefore, when the container deformed by pressing returns to the original shape, the air flows into the container, and along with this, bacteria and microorganisms in the air may be sucked into the container.
For this reason, in the conventional drug solution container, when bacteria or microorganisms enter the container, the active ingredient in the drug solution, or a buffer or a solubilizing agent added for the purpose of stabilizing the drug solution, is propagated as nutrient in the container. There was a very high risk of doing so.
[0003]
Therefore, when the chemical liquid remaining in the nozzle after use flows back into the container or when the container elastically deformed by pressing returns to its original shape, bacteria and microorganisms are prevented from entering the nozzle. A container provided with a filter has been proposed (for example, see Patent Document 1).
However, even when a filter is provided in the nozzle, a filter that allows liquid and gas to pass through generally has a large pore size, and thus cannot capture small bacteria and microorganisms. In addition, even when a hydrophilic filter or a hydrophobic filter capable of capturing even small bacteria or microorganisms is provided, the hydrophilic filter allows a liquid to pass through but does not allow a gas to pass therethrough. Cannot return to original shape.
[0004]
Therefore, in order to return the deformed container to its original shape, an invention has been provided in which a hydrophobic filter for allowing the air to flow is provided (for example, see Patent Document 2). However, in this case, since the nozzle hole also serves as a vent hole, if a chemical solution flowing backward from the nozzle stays on the hydrophobic filter, the inflow of air is restricted, and the container cannot return to its original shape.
[0005]
On the other hand, there is a method for preventing the inflow of outside air into a container to prevent bacteria from entering (for example, see Patent Document 3).
In this conventional example, as shown in FIG. 7, a plug 103 is attached to the mouth of a container 102. The plug 103 is a cylindrical member having a top, and a fitting portion 134 having a cylindrical top is incorporated therein. There is an interval between the top of the plug 103 and the top of the fitting portion 134, a nozzle 131 is formed at the center of the top of the plug 103, and a valve hole 106 is formed at the center of the top of the fitting portion 134. ing. The filter 107 is disposed on the back surface of the nozzle 131, and the check valve 108 is disposed on the upper surface of the valve hole 106. The space between the filter 107 and the check valve 108 is a chemical solution storage space 109.
At the time of use, when the outer cap 140 is removed and the container 102 is pressed by hand, the internal chemical solution passes through the valve hole 106, pushes the check valve 108 open, fills the accommodation space 109, and is discharged from the nozzle 131. When the hand that presses the container 102 is released, the container 102 attempts to return to its original shape, so that a negative pressure is generated and the discharge of the chemical stops. At the same time, since the check valve 108 closes, even if outside air flows in from the nozzle 131, it does not flow into the container 102.
However, there is a possibility that the chemical solution may stay in the nozzle 131, and in that case, there is a possibility that bacteria may propagate at the tip of the nozzle 131 which is in direct contact with the outside air.
Then, since the contaminated drug solution or the like is used for the patient at the next use, even in this conventional example, the sterility of the drug solution cannot be ensured.
[0006]
[Patent Document 1]
Japanese Patent Publication No. 35-592 [Patent Document 2]
Japanese Patent Publication No. 3-61461 [Patent Document 3]
JP 2002-80055 A
[Problems to be solved by the invention]
The present invention has been made in view of the above circumstances, and in a drug solution container in which the inside is discharged from a nozzle hole by pressing with a finger and returns to its original shape after releasing the pressing, the nozzle of the drug solution container has various bacteria such as fingers and face. An object of the present invention is to provide a drug solution container that can ensure a sterile state at a considerably high level without bacteria or microorganisms invading the inside of the container even when the skin comes into contact with a lot of skin.
[0008]
[Means for Solving the Problems]
The liquid medicine container according to claim 1 includes a flexible container main body having an opening at one end and easily deformable by pressing, and a cap liquid-tightly attached to the opening of the container main body. The cap includes a nozzle and a vent for communicating the inside of the container body with the atmosphere, a hydrophilic filter for closing the nozzle, a hydrophobic filter for closing the vent, and the inside of the container body from the vent. And a flow restricting member for restricting the flow of air into the apparatus.
According to a second aspect of the present invention, in the chemical solution container according to the first aspect, the cap includes a filter mounting member, and the filter mounting member includes a nozzle communication hole communicating with a nozzle and a ventilation hole of the cap, respectively, and a ventilation hole. A communication port, a hydrophilic filter is attached to the nozzle communication hole, a hydrophobic filter is attached to the ventilation communication hole, and a flow restricting member that restricts the inflow of air from outside into the container body is provided to the ventilation communication hole. It is characterized by being attached.
According to a third aspect of the present invention, in the chemical solution container according to the first aspect, the flow rate limiting member is a check valve.
According to a fourth aspect of the present invention, in the chemical solution container according to the first aspect, the flow rate limiting member is a throttle.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
First, an embodiment of a drug solution container using a filter mounting member will be described with reference to FIGS.
FIG. 1 is an exploded perspective view of a drug solution container according to an embodiment of the present invention, FIG. 2 is a cross-sectional view of the drug solution container, and FIG. 3 is a filter mounting member without a filter, and FIG. 4B is a plan view, FIG. 4B is a cross-sectional view, FIG. 4C is a bottom view, FIG. 4 is a filter mounting member with a filter mounted, FIG. 4A is a plan view, and FIG. 5A and 5B show the check valve 41, FIG. 5A is a sectional view in a closed state, and FIG. 5B is a sectional view in an open state.
[0010]
1 and 2, reference numeral 1 denotes a container main body. The container main body 1 may have any shape, such as a cylindrical shape with a bottom or a closed lower end portion of a side wall. A mouth portion 12 having a smaller diameter than that is provided. A male screw 13 for screwing a cap 2 described later is formed on the outer peripheral surface of the mouth portion 12.
The container body 1 is made of a flexible material that can be deformed by pressing with a finger and can easily return to its original shape when released from such pressing. Examples of such a flexible material include various polymer materials having elasticity such as polypropylene, polyethylene, polyethylene terephthalate, polyethylene terephthalate, polyester, soft polyvinyl chloride, thermoplastic elastomer, and polycarbonate.
[0011]
Reference numeral 2 denotes a cap. The cap 2 is a member formed in a cylindrical shape with a top, and includes a circular top surface 21 and a skirt portion 22 extending from a peripheral edge thereof. A female screw 23 is formed on the inner peripheral surface of the skirt portion 22. The female screw 23 is for screwing with the male screw 13 of the mouth 12. Therefore, if the cap 2 is screwed into the mouth portion 12, the container body 1 can be sealed in a liquid-tight manner.
A nozzle 24 is provided at the center of the top surface 21 so as to protrude from the skirt portion side. The nozzle 24 is formed in a cylindrical shape or a truncated cone shape, and has a nozzle hole 25 formed therein as a liquid flow passage penetrating in the long axis direction. Further, a cylindrical wall 26 is provided on the top surface 21 of the cap 2 concentrically with the nozzle 24 and radially outward, and a male screw 27 is formed on the outer peripheral surface thereof.
In the cap 2, a vent hole 28 is provided in a portion of the top surface 21 between the nozzle 24 and the cylindrical wall 26 so as to pass therethrough. In addition, the ventilation hole 28 can be provided from one place to several places.
[0012]
Reference numeral 3 denotes a filter mounting member, which is a substantially disk-shaped member. The filter mounting member 3 will be described with reference to FIG. 3 as well. The filter mounting member 3 includes a circular mounting surface 31 and a skirt portion 32 formed annularly on the lower surface thereof. The outer diameter of the mounting surface 31 is larger than the mouth 12 and is large enough to fit in the inner circumference of the cap 2, and the outer diameter of the skirt 32 is big enough to fit in the inner circumference of the mouth 12 of the container body 1. is there.
Therefore, as shown in FIG. 2, if the filter mounting member 3 is inserted into the cap 2 and the cap 2 is screwed into the mouth 12 of the container body 1, the filter is placed between the mouth 12 and the back surface of the cap 2. The mounting member 3 can be sandwiched.
[0013]
A small cylindrical projection 33 is formed at the center of the upper surface of the mounting surface 31 of the filter mounting member 3, and a nozzle communication hole 34 passes through the center and penetrates from the upper end of the cylindrical projection 33 to the bottom surface of the mounting surface 31. Is formed. The nozzle communication hole 34 communicates with the nozzle hole 25 of the nozzle 24. A groove 35 is formed around the nozzle communication hole 34 on the bottom surface of the mounting surface 31. The groove 35 is an aggregate of a radial groove 35a communicating with the nozzle communication hole 34 and an annular groove 35b communicating therewith.
Further, a ventilation communication hole 36 is formed at a position radially outward from the center of the mounting surface 31 and inside the skirt portion 32 so as to penetrate from the surface to the bottom surface of the mounting surface 31. A groove 37 is formed around the ventilation communication hole 36 on the upper surface of the mounting surface 31. The groove 37 is an aggregate of a radial groove 37a communicating with the ventilation communication hole 36 and an annular groove 37b communicating therewith. The ventilation hole 36 communicates with the ventilation hole 28 through the groove 37.
[0014]
In the present invention, a flow restricting member is provided in the air passage from the ventilation hole 28 to the inside of the container body 1. This flow rate limiting member may be any type as long as it has a function of limiting the flow rate of air. In the present invention, a suitable flow restricting member is a check valve or a throttle, and there are a choke and an orifice as the throttle, but it is a matter of course that other members may be used.
[0015]
In the embodiment of FIGS. 1 to 5, a check valve 41 is provided in a ventilation communication hole 36 which is a passage from the ventilation hole 28 to the container body 1. The check valve 41 may be integrated with the filter mounting member 3 or may be inserted and fixed as a separate member. When integrally formed, the valve body of the check valve needs to have elasticity, so that the material of the filter mounting member 3 is soft and elastic and can be welded to the filter. Although not particularly limited, specific examples include thermoplastic elastomers and polyolefin-based resins (low-density polyethylene, random polypropylene). When the check valve 41 is attached as a separate member, as the material of the check valve 41, vulcanized rubber such as butyl rubber or silicone rubber can be used in addition to the above-mentioned thermoplastic elastomer or polyolefin resin. In this case, as the material of the filter mounting member 3, any polymer material that has been used as a medical device can be suitably used.
As shown in FIG. 5, the check valve 41 is provided in a direction that prevents the chemical solution d from flowing out (see FIG. A) and allows the air a to flow into the inside (see FIG. B). .
Therefore, when the container body 1 is pressed with a finger and the chemical solution is discharged from the nozzle hole 25, the chemical solution d is blocked by the check valve 41 and enters the ventilation communication hole 36 as shown in FIG. Absent. The same applies when the container body 1 is in a normal state. Then, when the user removes his / her finger from the pressed container body 1 and tries to expand the container body 1 to the original shape, the outside air a tries to flow into the container body 1 from the ventilation hole 28 and the ventilation communication hole 36. I do. At this time, due to the difference between the outside air and the negative pressure in the container body 1, the check valve 41 is slightly opened as shown in FIG. 2B, so that the air a flows through the narrow opening.
[0016]
As shown in FIG. 2, when the cap 2 is screwed into the mouth 12 of the container body 1, the nozzle hole 25 of the nozzle 24 communicates with the nozzle hole 25 while the filter mounting member 3 is fixed to the upper end of the mouth 12. The hole 28 communicates with the inside of the container body 1 through the hole 34, and the vent hole 28 communicates with the inside of the container body 1 through the vent communication hole 36.
Then, as shown in FIGS. 2 and 4, the hydrophilic filter 4 is mounted on the bottom surface of the filter mounting member 3, and the hydrophobic filter 5 is mounted on the top surface of the filter mounting member 3.
[0017]
The hydrophilic filter 4 and the hydrophobic filter 5 are flat members and can be attached by welding or the like. As the welding method to be used, ultrasonic welding, high-frequency welding, heat welding and the like can be adopted, but in the case of the present invention, heat welding is preferred.
As shown in FIG. 4A, if the hydrophobic filter 5 is welded to the upper surface of the groove 37 on the top surface of the filter mounting member 3 and the periphery thereof, the ventilation communication hole 36 and the groove 37 can be closed. Reference numeral 38 denotes a positioning rib of the hydrophobic filter 5. If the hydrophilic filter 4 is welded to the upper surface of the groove 35 on the bottom surface of the filter mounting member 3 and the periphery thereof, the nozzle communication hole 34 and the groove 35 can be closed.
[0018]
The pore size of each of the filters 4 and 5 is preferably 0.45 μm or less, more preferably 0.45 μm or less, in order to prevent invasion of Candida albicans, Pseudomonas sp. It is desirable that the thickness be 22 μm or less. Further, the filter capturing mechanism is roughly classified into two types, a "depth type" that captures inside the filter and a "screen type" that captures on the filter surface. In the present invention, any type is preferably used. it can.
[0019]
The nozzle cap 6 shown in FIG. 1 and FIG. 2 is a substantially cylindrical member having an open bottom, and a sealing member which is in close contact with the tip of the nozzle 24 and hermetically seals the nozzle hole 25 on the back side of the top surface. A part 61 is provided. This sealing portion 61 is usually formed in a cylindrical shape. In the present embodiment, the nozzle cap 6 is screwed or engaged with the cylindrical wall 26 to be crowned. However, when the cylindrical wall 26 is not provided, the nozzle cap 6 is screwed or engaged with the outer peripheral surface of the skirt portion 22. It is formed to be crowned. Note that the nozzle cap 6 may be simply a cap attached to the nozzle 24, that is, may be a rubber cap formed of only the sealing portion 61, for example.
[0020]
Next, the operation and effect of the above embodiment will be described.
First, the nozzle cap 6 is removed for use. Next, when the container body 1 is pressed with a finger to discharge the chemical solution, the internal chemical solution is pushed out, passes through the hydrophilic filter 4, and is dropped from the nozzle 24 to the outside. At this time, as shown in FIG. 5A, since the check valve 41 is closed, the liquid medicine d does not enter the ventilation communication hole 36 and does not touch the hydrophobic filter 5. For this reason, even when a chemical solution that is incompatible with the material of the hydrophobic filter 5 is used, deterioration (for example, hydrophilicity) of the hydrophobic filter 5 can be prevented, and the lower surface (in the groove 37) of the hydrophobic filter 5 can be prevented. ) Can be prevented, and bacteria that extend hyphae below the membrane surface, such as Aureobasidium Pullulans and Aspergillus Oryzac, can be propagated on the upper surface of the hydrophobic filter 5 using the chemical solution in the groove 37 as a nutrient. Can be prevented. Therefore, it is possible to contribute to sterilization of the chemical solution.
Then, after the required amount is dropped, when the compression of the container body 1 is tightened, the container body 1 expands to return to the original shape based on its flexibility. At this time, the inside of the container main body 1 has a negative pressure. Due to the pressure difference between the negative pressure and the outside air, the chemical liquid accumulated after stopping the discharge in the nozzle hole 25 passes through the hydrophilic filter 4 and is returned into the container body 1. On the other hand, since the check valve 41 is slightly opened as shown in FIG. 5 (B), the external air a gradually enters the container body 1 even after the chemical solution is returned into the container body 1, and The return of the main body 1 to the original shape is also performed slowly over time. That is, it is possible to secure a sufficient time for the chemical solution on the hydrophilic filter 4 to be collected in the container body 1.
In this manner, a sufficient time for the chemical solution to pass through the hydrophilic filter 4 due to the negative pressure in the container body 1 is ensured, so that the accumulation of the chemical solution in the nozzle hole 25 is avoided. Therefore, it is possible to minimize the risk that the drug solution to which bacteria have adhered enters the container body 1 again.
[0021]
Next, another embodiment of the present invention will be described.
Another embodiment shown in FIG. 6 uses a thin valve body as a check valve. Since the check valve 42 has a thin valve body, it easily responds to the negative pressure in the container body 1 and easily opens. However, if the thickness is too small, the valve body opens too much, and the time for the chemical solution in the nozzle hole 26 to pass through the hydrophilic filter 4 is shortened. Therefore, the thickness may be selected so as to be an appropriate time.
[0022]
In each of the above embodiments, the check valve is used as the flow rate limiting member, but a throttle may be used instead. The aperture may be a chalk or an orifice. The choke is a stop whose length is longer than the opening cross-sectional dimension, and the orifice is a stop whose length is shorter than the opening cross-sectional dimension. In both cases, the chemical in the nozzle hole 26 is filled in the container body 1. When returning, it is only necessary to secure as much time as necessary to pass through the hydrophilic filter 4.
Also in this embodiment, it is possible to prevent bacteria from adhering to the drug solution as in the above embodiment.
[0023]
In each of the above embodiments, the check valve and the restrictor are provided in the ventilation communication hole 36 formed in the filter mounting member 3. However, in the embodiment not using the filter mounting member 3, the ventilation hole 28 and the container body 1 are not provided. , For example, in the air hole 28 or on the top surface 21 of the air hole 28.
The medicinal solution container according to the present invention is a medicine requiring sterility higher than that of cosmetics, even in a medicine, when used in an ophthalmic container for storing an ophthalmic solution in which the addition of a preservative is restricted. The effect is remarkable.
[0024]
【The invention's effect】
According to the first aspect of the present invention, since the nozzle is closed by the hydrophilic filter and the ventilation hole is closed by the hydrophobic filter, intrusion of bacteria and microorganisms from the nozzle is prevented by the hydrophilic filter, Infiltration of bacteria, microorganisms, and the like from the ventilation holes is prevented by the hydrophobic filter. In addition, when the container body returns to the original shape after the chemical solution is poured, the outside air tries to flow into the container body through the ventilation hole, but the amount of air flowing in is restricted by the flow rate limiting member. The time of the air inflow that takes place until the shape returns to the above becomes longer. For this reason, a sufficient time for the chemical solution on the hydrophilic filter to be collected in the container body is secured, and the possibility that bacteria adhere to the chemical solution is reduced to the utmost.
According to the second aspect of the invention, when the container body returns to the original shape after the chemical solution is poured, the outside air tends to flow into the container body from the ventilation communication hole, but the amount of air flowing in is limited by the flow rate limiting member. Therefore, the time of air inflow performed before the container body returns to the original shape becomes longer. For this reason, a sufficient time for the chemical solution on the hydrophilic filter to be collected in the container body is secured, and the possibility that bacteria adhere to the chemical solution is reduced to the utmost. In addition, at the time of dispensing the drug solution, the flow restricting member prevents the drug solution from reaching the hydrophobic filter, so that the contact between the hydrophobic filter and the drug solution is cut off, and in this regard, bacteria are prevented from adhering to the drug solution. You.
According to the third aspect of the present invention, when the container body returns to the original shape after the chemical solution is poured out, the amount of air flowing in by the check valve is limited even if outside air tries to flow into the container body from the ventilation communication hole. Therefore, the time for air inflow performed before the container body returns to the original shape becomes longer. For this reason, a sufficient time for the chemical solution on the hydrophilic filter to be collected in the container body is secured, and the possibility that bacteria adhere to the chemical solution is reduced to the utmost. In addition, at the time of dispensing the drug solution, the check valve prevents the drug solution from reaching the hydrophobic filter, which cuts off the contact between the hydrophobic filter and the drug solution, and in this respect also prevents bacteria from adhering to the drug solution. You.
According to the fourth aspect of the invention, when the container body returns to the original shape after the chemical solution is poured out, the amount of air flowing in is restricted by the throttle even if the outside air tries to flow into the container body from the ventilation communication hole. In addition, the time of air inflow until the container body returns to the original shape becomes longer. For this reason, a sufficient time for the chemical solution on the hydrophilic filter to be collected in the container body is secured, and the possibility that bacteria adhere to the chemical solution is reduced to the utmost. Also, at the time of dispensing the drug solution, the restrictor prevents the drug solution from reaching the hydrophobic filter, so that the contact between the hydrophobic filter and the drug solution is interrupted, and in this regard, bacteria are prevented from adhering to the drug solution.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view of a chemical solution container according to an embodiment of the present invention.
FIG. 2 is a vertical sectional view of the chemical solution container of the embodiment.
3 (A) is a plan view, FIG. 3 (B) is a cross-sectional view, and FIG. 3 (C) is a bottom view.
4A and 4B are filter mounting members with a filter mounted thereon, wherein FIG. 4A is a plan view and FIG. 4B is a bottom view.
5A and 5B show a check valve 41, wherein FIG. 5A is a cross-sectional view in a closed state, and FIG. 5B is a cross-sectional view in an open state.
FIG. 6 is a step view of a filter mounting member to which a check valve 42 used in a drug solution container according to another embodiment of the present invention is mounted.
FIG. 7 is a step view showing the inside of the mouth of a conventional chemical solution container.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Container main body 2 Cap 3 Filter mounting member 4 Hydrophilic filter 5 Hydrophobic filter 12 Portion 24 Nozzle 25 Nozzle hole 28 Vent hole 34 Nozzle communication hole 36 Ventilation communication hole 41, 42 Check valve

Claims (4)

一端に口部を有し、押圧により容易に変形可能な可撓性の容器本体と、
該容器本体の前記口部に液密に取り付けられるキャップとを備えており、
前記キャップは、
前記容器本体の内部と大気とを連通させるノズルおよび通気孔と、
前記ノズルを塞ぐ親水性フィルターと、
前記通気孔を塞ぐ疎水性フィルターと、
前記通気孔から前記容器本体の内部への空気の流入を制限する流量制限部材と
を備えることを特徴とする薬液容器。
A flexible container body having an opening at one end and easily deformable by pressing,
A cap that is liquid-tightly attached to the mouth of the container body,
The cap is
A nozzle and a vent for communicating the atmosphere with the inside of the container body,
A hydrophilic filter that closes the nozzle,
A hydrophobic filter closing the vent,
A medical fluid container comprising: a flow rate limiting member configured to limit an inflow of air from the vent hole into the interior of the container body.
前記キャップはフィルター取付部材を備えており、
該フィルター取付部材は、前記キャップのノズルおよび通気孔にそれぞれ連通するノズル連通孔と、通気連通孔を備え、
前記ノズル連通孔に親水性フィルターを取付け、
前記通気連通孔に疎水性フィルターを取付け、
前記通気連通孔に、外部から容器本体内への空気の流入を制限する流量制限部材を取付けた
ことを特徴とする請求項1記載の薬液容器。
The cap includes a filter mounting member,
The filter mounting member includes a nozzle communication hole communicating with the nozzle and the ventilation hole of the cap, and a ventilation communication hole,
Attach a hydrophilic filter to the nozzle communication hole,
Attach a hydrophobic filter to the ventilation communication hole,
2. The chemical solution container according to claim 1, wherein a flow rate limiting member for limiting an inflow of air from the outside into the container body is attached to the ventilation communication hole.
前記流量制限部材が、逆止弁である
ことを特徴とする請求項1記載の薬液容器。
The medical fluid container according to claim 1, wherein the flow rate limiting member is a check valve.
前記流量制限部材が、絞りである
ことを特徴とする請求項1記載の薬液容器。
The chemical solution container according to claim 1, wherein the flow rate limiting member is a throttle.
JP2002336579A 2002-04-04 2002-11-20 Chemical container Expired - Lifetime JP4744775B2 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2002336579A JP4744775B2 (en) 2002-11-20 2002-11-20 Chemical container
PCT/JP2003/004318 WO2003084460A1 (en) 2002-04-04 2003-04-04 Chemical container
EP20030715756 EP1495747B1 (en) 2002-04-04 2003-04-04 Liquid drug container
KR20047015814A KR100660676B1 (en) 2002-04-04 2003-04-04 Chemical container
ES03715756T ES2400177T3 (en) 2002-04-04 2003-04-04 Container for liquid medications
CNB038130998A CN1326509C (en) 2002-04-04 2003-04-04 Liquid drug container
AU2003220987A AU2003220987A1 (en) 2002-04-04 2003-04-04 Chemical container
US10/510,054 US7225949B2 (en) 2002-04-04 2003-04-04 Liquid drug container
HK05103053A HK1070266A1 (en) 2002-04-04 2005-04-11 Liquid drug container

Applications Claiming Priority (1)

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JP2002336579A JP4744775B2 (en) 2002-11-20 2002-11-20 Chemical container

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JP2009213876A (en) * 2008-02-04 2009-09-24 Rexam Pharma Liquid dispensing end-piece and liquid packaging and dispensing assembly comprising such end piece
JP2009291605A (en) * 2008-06-02 2009-12-17 Ing Erich Pfeiffer Gmbh & Co Kg Dispensing device
JP2010527309A (en) * 2007-05-17 2010-08-12 フェデリギ、フェデリゴ Multi-dose dispenser for sterile liquid formulations
KR101043116B1 (en) 2009-01-23 2011-06-20 경원대학교 산학협력단 Cosmetic Container comprising Nanofilter Structure
KR101221314B1 (en) 2010-10-19 2013-01-10 김준배 Liquid droplets containers
KR200466740Y1 (en) 2011-02-24 2013-05-09 이후만 A hairdye vessel
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JP2015171897A (en) * 2014-03-11 2015-10-01 凸版印刷株式会社 nozzle and container with nozzle
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KR101851246B1 (en) * 2017-11-24 2018-04-23 주식회사 종우 Recyclable plastic bottle structure
CN108685688A (en) * 2018-06-12 2018-10-23 张家港众辉医用塑料科技有限公司 Three-stage filtration sterile liquid medicine is packed
JP2019107435A (en) * 2017-12-18 2019-07-04 エルアンドピー コスメチック カンパニー,リミテッド Cosmetic liquid storage ampule
JP2021523068A (en) * 2018-05-07 2021-09-02 オリュス・ファルマ A device for packaging and administering products, with a vial and a dosing mouthpiece with a filter
CN114452211A (en) * 2022-01-28 2022-05-10 深圳泰和智能医疗科技有限公司 Dispensing filter and dispensing method thereof

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US9308150B2 (en) 2006-11-27 2016-04-12 Nipro Corporation Liquid agent container
JP2008132013A (en) * 2006-11-27 2008-06-12 Nipro Corp Chemical liquid container
WO2008065879A1 (en) 2006-11-27 2008-06-05 Nipro Corporation Chemical liquid container
JP2010527309A (en) * 2007-05-17 2010-08-12 フェデリギ、フェデリゴ Multi-dose dispenser for sterile liquid formulations
US9456980B2 (en) 2007-08-29 2016-10-04 Wakamoto Pharmaceutical Co., Ltd. Latanoprost-containing aqueous pharmaceutical composition
JP2009213876A (en) * 2008-02-04 2009-09-24 Rexam Pharma Liquid dispensing end-piece and liquid packaging and dispensing assembly comprising such end piece
JP2009291605A (en) * 2008-06-02 2009-12-17 Ing Erich Pfeiffer Gmbh & Co Kg Dispensing device
KR101043116B1 (en) 2009-01-23 2011-06-20 경원대학교 산학협력단 Cosmetic Container comprising Nanofilter Structure
KR101221314B1 (en) 2010-10-19 2013-01-10 김준배 Liquid droplets containers
KR200466740Y1 (en) 2011-02-24 2013-05-09 이후만 A hairdye vessel
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WO2015090887A1 (en) * 2013-12-17 2015-06-25 Aptar Radolfzell Gmbh Protective cap for a dispenser, and dispenser for discharging pharmaceutical and/or cosmetic liquids
JP2015171897A (en) * 2014-03-11 2015-10-01 凸版印刷株式会社 nozzle and container with nozzle
KR101851246B1 (en) * 2017-11-24 2018-04-23 주식회사 종우 Recyclable plastic bottle structure
JP2019107435A (en) * 2017-12-18 2019-07-04 エルアンドピー コスメチック カンパニー,リミテッド Cosmetic liquid storage ampule
JP2021523068A (en) * 2018-05-07 2021-09-02 オリュス・ファルマ A device for packaging and administering products, with a vial and a dosing mouthpiece with a filter
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CN108685688A (en) * 2018-06-12 2018-10-23 张家港众辉医用塑料科技有限公司 Three-stage filtration sterile liquid medicine is packed
CN108685688B (en) * 2018-06-12 2024-05-17 张家港众辉医用塑料科技有限公司 Three-stage filtration aseptic liquid medicine package
CN114452211A (en) * 2022-01-28 2022-05-10 深圳泰和智能医疗科技有限公司 Dispensing filter and dispensing method thereof
CN114452211B (en) * 2022-01-28 2023-10-03 深圳泰和智能医疗科技有限公司 Dispensing filter and dispensing method thereof

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