JP2018519039A - 保管状態で真空を保持するための、及び2種の成分を混合するためのシリンジ - Google Patents
保管状態で真空を保持するための、及び2種の成分を混合するためのシリンジ Download PDFInfo
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Abstract
Description
本明細書では、「周囲圧力」は、「大気圧」と互換的に用いられる。これは、周囲の圧力、すなわちプロセスが行われている場所の圧力である。
上述したように、本開示は、密封可能な及び/または閉鎖可能な遠位出口、及び第1の物質を収容するための真空チャンバを備えるバレルと、第2の物質を収容するための貯留チャンバが組み込まれ、バレルの近位端を通って軸方向移動させられるように構成されているプランジャと、真空チャンバと貯留チャンバを分離しているメンブレンと、メンブレンを貫通するための1つ以上の針などの先端が尖った部材とを備えており、メンブレンと先端が尖った部材とは互いに対して軸方向に摺動可能であるように構成されている、第1の物質と第2の物質を保持し混合するためのシリンジに関する。
本開示のシリンジは、1つまたはいくつかの構成で動作し得る。一実施形態では、シリンジは、第1の構成では真空チャンバ内の真空を保持するように構成され得、該第1の構成は好ましくはシリンジの保管状態である。そのような構成では、真空チャンバは閉鎖容器である。そのような構成は、物質を真空チャンバ内に保管するというだけでなく、真空チャンバ内に内在エネルギーがあるという点からシリンジの「チャージされた」状態と考えることもでき、有用であり得る。真空チャンバが閉鎖容器から別の体積と関連するように変化するとき、吸引力が生じる。したがって、シリンジが第1の構成で真空チャンバ内の真空を保持するように構成されているならば、この力は真空チャンバと貯留チャンバが接続されることで開放され得る。第1の構成では、シリンジは、内在エネルギーのある状態ということができ、後にこのエネルギーによって2つのチャンバの物質を、好ましくはプランジャを移動させるために外部から手で力を一切加えることなく、混合することができる。
上述のように、本開示のシリンジは、真空チャンバと貯留チャンバを分離しているメンブレン、及びメンブレンを貫通するための1つ以上の針などの先端が尖った部材を有する。好ましい実施形態では、メンブレンは、真空チャンバの近位端と貯留チャンバの遠位端を分離している。一実施形態では、メンブレンはプランジャの遠位端に取り付けられかつ/またはプランジャの遠位端を形成している。プランジャが中空体または中空部分を有する場合、それはメンブレンがプランジャの底部/遠位側の一部分または全部を構成していることを意味する。そのような実装の一例を図1A〜図1Fに示す。シリンジのプランジャは(試験管のような)丸底またはほぼ平坦な遠位端を有する円筒形であり得、該遠位端はプランジャが円筒形である場合はほぼ円形である。したがって、一実施形態では、遠位端の一部を先端が尖った部材によって貫通され得る材料で置き換えることができる。好ましくは、プランジャはプラスチックなどの堅い材料で作られており、メンブレンはたとえばゴム様材料などのより軟性の/柔らかい材料でできている。この実施形態はつまり、プランジャがバレル内で遠位移動させられて、先端が尖った部材がメンブレンを貫通するというものである。この点で、プランジャ(メンブレンも含む)はこの設計の可動部と考えることができ、一方バレルは固定部と考えることができる。シリンジは好ましくは、プランジャとバレル間の密封係合部をたとえばゴムシールとしてプランジャの遠位端に備えており、これは本開示のシリンジの第1の構成で真空チャンバ内の真空を保持するのにも一役かっている。図3に示すように、メンブレン7は、環状突起19を介してプランジャ5の遠位端に取り付けられ得る。メンブレン7は、貫通可能なメンブレンバリア7’及び密封フランジ20を備えて、バレル2との密封係合を提供している。
本開示の発明のさらなる実施形態では、シリンジはさらに、軸方向に摺動可能な栓をプランジャ内に備えており、該栓は好ましくは中空であり得るプランジャの内部と密封係合し、その結果として中空プランジャ内の栓によって貯留チャンバ(の近位側)が画定されている。このことは、栓が、閉じた貯留チャンバの近接側壁を構成できることを意味し、貯留チャンバは好ましくは、プランジャの遠位端に配置され、プランジャの遠位端によって遠位側が、軸方向に摺動可能な栓によって近位側がそれぞれ画定されている。好ましくは、栓はプランジャ内で軸方向に摺動可能であり、第1のチャンバのリザーバの物質が真空チャンバに移動してしまうと2つのチャンバ間の流体接続を塞ぐのに用いられ得る。栓がリザーバの近接側壁を画定するので、栓がプランジャの遠位端または部材に当接する遠位位置まで吸引されると、貯留チャンバは空であるか、あるいはほぼ空であると考えられる。この位置では、貯留チャンバの内容物は真空チャンバに移動している。
上述のように、本開示の発明は、第1の物質を収容するための真空チャンバを含むシリンジに関する。閉鎖体積(チャンバ)内で真空を得る方法はいくつかある。本開示のシリンジの一実施形態はさらに、バレル及び/またはプランジャに配置された1つ以上の真空バイパスチャネルを備え、プランジャが真空チャンバ内のプランジャの少なくとも第1の軸方向位置で、すなわち真空が保持されている状態で、真空チャンバと密封係合するように、そして、プランジャの真空チャンバ内の少なくとも第2の軸方向位置で、該1つ以上の真空バイパスチャネルを介して流体連通がプランジャを通過して設けられるように、構成され得る。したがって、真空バイパスチャネル(複数可)は、プランジャの真空チャンバ内の所定の軸方向位置で、真空チャンバとプランジャ間の密封を破るように構成され得る。このことは、たとえば、該1つ以上の真空バイパスチャネル16が、図2に示すように真空チャンバの近位端の内表面に形成された1つ以上の長手方向溝17である場合に、もたらされ得る。あるいは、1つ以上の真空バイパスチャネルは、プランジャに形成してもよい。1つ以上の真空バイパスチャネルは、真空チャンバと周囲大気の間で直接、プランジャの位置とは無関係に、たとえば真空チャンバに直接設置された圧力バルブを介して、流体連通がもたらされ得るように構成されている。
本開示のシリンジは、2つのチャンバ内の種々の物質に有用である。数種の薬剤が2つの別々のチャンバ内に準備され保管されており、使用前に混合される。そのような薬剤には固体成分と液体溶媒が含まれる場合があり、二部製剤として知られている。固体成分はたとえば粉末薬剤であり得る。シリンジの一実施形態では、チャンバには第1の物質及び第2の物質が予め充填されており、第1の物質は乾性組成物であり、第2の物質は水性媒体である。好ましくは、乾性組成物は真空チャンバ内に、水性媒体は貯留チャンバ内に、それぞれ配置されている。同様に、シリンジには第1の物質及び第2の物質が予め充填され得、第1の物質は薬剤の乾性成分であり、第2の物質は該薬剤の湿性成分の水性媒体である。本開示のシリンジは、第1の物質として凍結乾燥物質、たとえば凍結乾燥剤を用いた使用にも好適である。
バレルは好ましくは、混合した最終産物を放出するための出口を備えている。この出口は、真空チャンバ内の真空を保持するために、好ましくは閉鎖可能及び/または密封可能である。出口はたとえばルアータイプの出口であり得、有利にもバレルの遠位端のところに配置されている。出口はさらに、別の嵌合コネクタとの接続に適したコネクタ部分として形成され得、たとえばホースをシリンジに接続するのに好適である。コネクタ部分は、ルアーロックまたはルアースリップコネクタなどの標準タイプのコネクタ部分、好ましくは雄ルアーロックまたはルアースリップコネクタであり得る。コネクタ部分は、これに合うコネクタと確実に接続できるように、ねじ部分が設けられ得る。このねじ部分は、コネクタ部分の内側に設けられ得る。
1.第1の物質及び第2の物質を保持し混合するためのシリンジであって、
−密封可能な及び/または閉鎖可能な遠位出口、及び第1の物質を収容するための真空チャンバを備えたバレル、
−第2の物質を収容するための貯留チャンバが組み込まれ、前記バレルの近位端を通って軸方向移動させられるように構成されているプランジャ、
−前記真空チャンバと前記貯留チャンバを分離しているメンブレン、及び
−前記メンブレンを貫通するための1つ以上の針などの先端が尖った部材を備えており、
前記メンブレンと前記先端が尖った部材とは互いに対して軸方向に摺動可能であるように構成されている、前記シリンジ。
Claims (22)
- 第1の物質及び第2の物質を保持し混合するためのシリンジであって、
−密封可能な及び/または閉鎖可能な遠位出口、及び第1の物質を真空中で保持するための真空チャンバを備えるバレル、
−第2の物質を収容するための貯留チャンバが組み込まれ、前記バレルの近位端を通って軸方向移動させられるように構成されているプランジャ、
−前記真空チャンバと前記貯留チャンバを分離しているメンブレン、及び
−前記メンブレンを貫通するための1つ以上の針などの先端が尖った部材
を備えており、
前記プランジャが前記バレル内で第1の位置から所定の第2の位置まで軸方向移動すると、前記先端が尖った部材が前記メンブレンを貫通し、前記貯留チャンバと前記真空チャンバ間に流体通路が設けられ、すると前記真空チャンバ内の真空が前記第2の物質を前記真空チャンバ内に吸引し、それによって、前記プランジャが前記所定の第2の位置から移動することなく前記貯留チャンバの内容物が前記真空チャンバ内に移動させられるように構成されている、シリンジ。 - 第1の構成では前記真空チャンバ内の真空を保持するように構成されており、前記第1の構成は好ましくは前記シリンジの保管状態である、請求項1に記載のシリンジ。
- 前記先端が尖った部材は、前記バレル内に取り付けられている、請求項1又は2に記載のシリンジ。
- 前記先端が尖った部材は、前記バレルの遠位端に取り付けられている、請求項1〜3のいずれか一項に記載のシリンジ。
- さらに、前記プランジャと係合し前記プランジャの前記バレル内の遠位軸方向移動を制限するように構成されている着脱可能なロック部材を備え、前記ロック部材は、第1のロック要素及び第2のロック要素を備え、前記ロック要素はそれぞれ、前記プランジャと係合して前記プランジャの前記バレル内の遠位軸方向移動を制限するように構成されている、請求項1〜4のいずれか一項に記載のシリンジ。
- 前記着脱可能なロック部材は、前記プランジャと係合して、前記プランジャの前記バレルに対する2つの異なる軸方向位置で前記プランジャの前記バレル内の遠位軸方向移動を制限するように構成されている、請求項5に記載のシリンジ。
- 前記第1の構成は、前記プランジャの前記バレル内の第1の軸方向位置に対応し、第2の構成は、前記プランジャの前記バレル内の第2の軸方向位置に対応する、請求項2〜6のいずれか一項に記載のシリンジ。
- 前記プランジャの前記バレルに対する前記2つの異なる軸方向位置は、前記プランジャの前記バレルに対する前記第1の軸方向位置及び前記第2の軸方向位置に対応する、請求項6又は7に記載のシリンジ。
- 前記第1及び第2のロック要素は、前記プランジャと互いの軸方向延在分において係合するように構成されている、請求項5〜8のいずれか一項に記載のシリンジ。
- 前記プランジャが前記第1の構成でロックされるように構成されている、請求項2〜8のいずれか一項に記載のシリンジ。
- 前記プランジャが前記第2の構成でロックされるように構成されている、請求項6〜9のいずれか一項に記載のシリンジ。
- 前記プランジャが、前記第1の構成では、前記プランジャと係合し前記プランジャを前記第1の構成にロックするための前記着脱可能な第1及び第2のロック要素によって、遠位方向への軸方向移動が制限されるように構成されている、請求項2〜11のいずれか一項に記載のシリンジ。
- 前記プランジャが、前記第2の構成では、前記第2の構成では前記プランジャと係合し前記プランジャをロックするようにされている前記着脱可能な第2のロック要素によって、遠位方向への軸方向移動が制限されるように構成されている、請求項6〜12のいずれか一項に記載のシリンジ。
- さらに、前記プランジャ内に軸方向に摺動可能な栓を備え、前記栓は中空である前記プランジャの内部と密封係合し、その結果として前記中空プランジャ内の前記栓によって前記貯留チャンバが画定されている、請求項1〜13のいずれか一項に記載のシリンジ。
- 前記栓は、前記貯留チャンバ内の前記第2の物質が前記真空チャンバ内へと吐出され/流入し/移動させられる間、前記プランジャの前記中空体内で軸方向遠位移動させられるように構成されている、請求項14に記載のシリンジ。
- 前記メンブレンが貫通されて前記真空チャンバと前記貯留チャンバ間に液体連通が提供されると、前記真空チャンバ内の真空が前記貯留チャンバに収容された液体を前記真空チャンバ内へと引き、同時に前記栓が前記中空体内で軸方向遠位移動するように構成されている、請求項14又は15に記載のシリンジ。
- 前記先端が尖った部材は、前記メンブレンの貫通後、前記貯留チャンバと前記真空チャンバ間に液体連通を提供するように構成されている1つ以上の液体バイパスチャネルを備えている、請求項1〜16のいずれか一項に記載のシリンジ。
- 前記先端が尖った部材は、1つ以上の液体バイパスチャネルを備えており、前記1つ以上の液体バイパスチャネルは、前記先端が尖った要素の近位部から遠位に位置する、前記先端が尖った部材の1つ以上の半径方向の凹所などの1つ以上の凹所として形成されている、請求項1〜17のいずれか一項に記載のシリンジ。
- 前記第2の構成及び/または第2の位置では、前記1つ以上のバイパスチャネルの少なくとも1つが前記メンブレンと軸方向に揃うように構成されている、請求項17又は18に記載のシリンジ。
- 前記先端が尖った部材が前記メンブレンを貫通し、前記メンブレンが前記1つ以上の液体バイパスチャネルから軸方向に分離されているとき、前記メンブレンと前記先端が尖った部材は密封係合を形成するように構成されている、請求項17〜19のいずれか一項に記載のシリンジ。
- 前記貯留チャンバは前記プランジャの中空部分によって画定され、前記メンブレンは前記プランジャの遠位端に取り付けられ及び/または前記プランジャの遠位端を形成し、その結果として前記メンブレンは前記真空チャンバの近位端と前記貯留チャンバの遠位端を分離している、請求項1〜20のいずれか一項に記載のシリンジ。
- 前記シリンジには、第1の物質及び第2の物質が予め充填されており、前記第1の物質は薬剤の乾性成分であり、前記第2の物質は前記薬剤の湿性成分の水性媒体である、請求項1〜21のいずれか一項に記載のシリンジ。
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JP6747651B2 (ja) | 2020-08-26 |
US10918796B2 (en) | 2021-02-16 |
WO2017005590A1 (en) | 2017-01-12 |
CA2986981A1 (en) | 2017-01-12 |
AU2016290433A1 (en) | 2017-12-07 |
EP3316930B1 (en) | 2019-07-31 |
CN107771093A (zh) | 2018-03-06 |
CN107771093B (zh) | 2021-06-15 |
BR112017027695A2 (pt) | 2018-09-04 |
AU2016290433B2 (en) | 2018-05-24 |
RU2717356C2 (ru) | 2020-03-23 |
RU2018103401A3 (ja) | 2019-09-11 |
EP3316930A1 (en) | 2018-05-09 |
RU2018103401A (ru) | 2019-08-06 |
HK1253744A1 (zh) | 2019-06-28 |
US20180147355A1 (en) | 2018-05-31 |
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