JP6342913B2 - ターゲット物質を集めるための装置、システムおよび方法 - Google Patents
ターゲット物質を集めるための装置、システムおよび方法 Download PDFInfo
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- B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
- B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
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Description
図1Aはコレクタ100の投影図である。図1Bはコレクタ100の線I−Iでとった断面図である。一点鎖線114がコレクタ100の中心軸または最高対称軸を現す。コレクタ100は、懸濁液を含むか保持することができる主容器に嵌るような大きさおよび形状をしており、懸濁液はターゲット物質を含んでいる。コレクタ100は主容器の内壁に締まり嵌めまたは封止嵌めされ、懸濁液のどの部分も主容器の内壁とコレクタ100の外壁との間に入らないようにされる。コレクタ100は懸濁液からターゲット物質をカニューレ110を通ってチャンバー112内の処理容器(図1に示さない)に注ぎ込む。
図2Aは、例としてのコレクタ100および処理容器202の展開図である。図2Bはコレクタ100のチャンバー112に挿入された例としての処理容器の透視図である。図2Cは、線III―IIIに沿った、コレクタ100のチャンバー112に挿入された処理容器システム202の断面図である。コレクタ100および処理容器202がコレクタ・処理容器システム200を形成する。処理容器202は、エペンドルフチューブ、注射器、または試験管であることができ、閉鎖端214および開放端212を有する。開放端212は、キャップ216を受け入れるようになっている。キャップ216は、再封止可能なゴムその他の適当な再封止可能な材料で構成することができ、針その他の鋭い道具で反復して破いて処理容器202内に格納された内容物にアクセスすることができ、針その他の道具が取り除かれるとき再び封止する。一方、処理容器202はそれぞれキャップを受け入れるように構成された2つの開放端を持つこともできる。処理容器202は、開放端212に向けて広くなるかまたは細くなるテーパー形状であることができ、または、第1の区分で概して円筒状であり第2の区分でコア形状であることもでき、この場合、第1および第2の区分は接続されていて互いに連続している。処理容器202の少なくとも一つの区分は円形の断面をしているが、他の実施例ではこの少なくとも一つの区分は、楕円形、正方形、三角形、長方形、八辺形、その他の適当な断面を有することができる。処理容器202は、透明、半透明、不透明、またはプラスチックその他の適当な材料のような透光性の材料で構成することができる。処理容器は中心軸218を持つ。処理容器202は閉鎖端214にプラグ206を含んでおり、ターゲット物質の導入をまたはターゲット物質と変位流体との交換を可能にする。閉鎖端214はネジを切られていてもよく、この場合、コレクタ100のネジを切ったチャンバー112とネジ接続することができる。処理容器202は、ガラス、プラスチック、その他の適当な材料で構成することができる。
図3Aは封止リング300の透視図である。図3Bは封止リング300を上から見た図である。一点鎖線302は封止リング300の中心軸すなわち高度に対称な軸を示す。封止リング300は内壁304、外壁306、および空洞308を有する。図3Bにおいて、RIWが封止リング300の中心から内壁304への半径を示し、ROWが封止リング300の中心から外壁306への半径を示す。封止リング300はチューブのような容器周りに嵌まるよう構成されている。空洞308は容器を受け入れる大きさおよび形状をしている。封止リング300は、ほぼ均等な放射方向の力を円周方向に加えることによって、空洞308の大きさおよび内壁および外壁304および306の半径が減少するよう締め付けられることができ、加えられる力は、封止リング300の中心軸302に向けられた外壁306周りのクランプによって作られる放射方向の力などである。封止リング300が容器周りに締め付けられるとき、封止リング300に加えられる均一な力は容器に加えられ、容器が締め付けられる。放射状の力が封止リング300から取り除かれるとき、封止リング300は締められたままになり容器周りに張力が残っているので、容器は締め付けられた状態のままになる。
説明の便宜上、凝固防止された全血の例としての懸濁液に関して方法を説明する。ここで説明する方法はその適用範囲を限定することを意図するものではない。この方法はどんな種類の懸濁液についても使用することができる。たとえば、サンプル懸濁液は、尿、血液、骨髄、嚢胞(のうほう)液、腹水、スツール(stool)、***、脳脊髄液、乳頭吸引液、唾液、羊水、膣内分泌液、粘膜分泌液、房水、硝子体液、嘔吐物、その他任意の生理学的流体もしくは半固体(semi-solid)でありうる。ターゲット物質はサンプル懸濁液のフラクション(fraction)であることができ、たとえば、バッフィコート(Buffy coat、白血球層)、オヴァ(ova)のような細胞、胎生核化赤血球(fetal nucleated red blood cell)、または循環腫瘍細胞(「CTC」)、循環内皮細胞、胎生細胞(fetal cell)、小胞、リポソーム(liposome)、タンパク質、核酸、生物学的分子、閉じた膜を持つ自然発生のもしくは人工的に用意された顕微鏡的なユニット、寄生虫、微生物、ウィルス、または炎症細胞などがある。
108 漏斗
110 カニューレ
112 チャンバー
202 処理容器
208 変位流体
212 解放端
214 閉鎖端
500 主容器
504 浮き
Claims (11)
- 懸濁液からターゲット物質を取り出すためのシステムであって、該システムは、
前記懸濁液を含む主容器と、
前記ターゲット物質の密度より大きい密度の液体を含み、コレクタの第1の開口に挿入される処理容器と、を備え、
前記コレクタは、前記主容器の開口に挿入され前記主容器内へと開く第2の開口をもち、該第2の開口は、前記第1の開口に挿入された前記処理容器の端部を閉じる再封止可能なプラグを通って該処理容器の内部に延びることができるカニューレによって、前記第1の開口に接続され、
前記処理容器に含まれる前記液体を遠心力を用いて置換流体として働かせて前記ターゲット物質を前記主容器から前記処理容器へ前記カニューレを通じて移動させることを特徴とする、前記システム。 - 前記コレクタは、本体の周りに円周方向に延びるリッジを有する、請求項1に記載のシステム。
- 前記コレクタは、空洞の少なくとも一部にアクセスするための少なくとも一つのウィンドウを本体に有する、請求項1に記載のシステム。
- 前記主容器内の浮きと、
前記主容器が前記浮きに接触して該主容器と該浮きとの間に封止を形成するよう前記主容器の外周りに延びる封止リングと、をさらに備える、
請求項1に記載のシステム。 - 前記処理容器に含まれる前記液体は、
有機溶剤、液体ワックス、オイル、およびこれらの組み合わせ;オリーブオイル、ミネラルオイル、シリコーンオイル、液浸オイル(immersion oil)、ミネラルオイル、パラフィンオイル、シリコンオイル、フルオロシリコーン、過フルオロデカリン(perfluorodecalin)、過フルオロパーヒドロフェナントレン(perfluoroperhydrophenanthrene)、過フルオロ臭化オクチル(perfluorooctylbromide)、有機溶剤、1,4ジオキサン(1,4-Dioxane)、アセトニトリル、エチルアセテート、ターブタノール(tert-butanol)、シクロヘキサノン(cyclohexanone)、塩化メチレン、ターアミルアルコール(tert-Amyl alocohol)、ターブチルメチルエーテル(tert-Butyl methyl eter)、ブチルアセテート、ヘクサノール(hexanol)、ニトロベンゼン、トルエン、オクタノール、オクタン、炭酸プロピレン、テトラメチレンスルフォン、イオン液、ポリマーベースの溶液、界面活性剤、過フルオロケトン(perfluoroketones)、過フルオロシクロペンタノン(perfluorocyclopentanone)、過フルオロシクロヘキサノン(perfluorocyclohexanone)、フッ化ケトン、ヒドロフルオロエーテル、ヒドロフルオロカーボン、過フルオロカーボン(perfluorocarbons)、過フルオロポリエーテル(perfluoropolyethers)、シリコン、シリコンベースの液体、フェニルメチルシロキサン(phenylmethyl siloxane)、およびこれらの組み合わせ、
からなるグループから選択されている、請求項1に記載のシステム。 - 前記処理容器に含まれる前記液体は、ポリビニルピロリドンまたは多糖類溶液で被覆されているコロイド系シリカ粒子の溶液である、請求項1に記載のシステム。
- 前記浮きが本体に少なくとも一つの支持部材を有する、請求項4に記載のシステム。
- 前記コレクタの前記第2の開口が頂点に延びる漏斗を含む、請求項1に記載のシステム。
- 前記カニューレが前記頂点から前記第1の開口に少なくとも部分的に延びる、請求項8に記載のシステム。
- 前記カニューレは、管または針である、請求項1に記載のシステム。
- 前記ターゲット物質は、バッフィコート、細胞、胎生核化赤血球、循環腫瘍細胞、循環内皮細胞、胎生細胞、小胞、リポソーム、タンパク質、核酸、生物学的分子、閉じた膜を持つ自然発生の顕微鏡的なユニット、または閉じた膜を持つ人工的に用意された顕微鏡的なユニット、寄生虫、微生物、ウィルス、または炎症細胞である、請求項1に記載のシステム。
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US61/869,866 | 2013-08-26 | ||
PCT/US2013/072009 WO2014085456A1 (en) | 2012-11-30 | 2013-11-26 | Apparatus, system, and method for collecting a target material |
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EP (1) | EP2925853B1 (ja) |
JP (1) | JP6342913B2 (ja) |
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WO2014085456A1 (en) | 2014-06-05 |
EP2925853B1 (en) | 2019-07-24 |
EP2925853A1 (en) | 2015-10-07 |
CA2893131A1 (en) | 2014-06-05 |
EP2925853A4 (en) | 2016-07-06 |
CA2893131C (en) | 2022-07-05 |
CA2922511C (en) | 2018-09-18 |
WO2015080791A1 (en) | 2015-06-04 |
CA2922511A1 (en) | 2015-06-04 |
US20140161688A1 (en) | 2014-06-12 |
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