JP4801630B2 - 液体の微生物分析用のサンプルを調製するための方法およびユニット - Google Patents
液体の微生物分析用のサンプルを調製するための方法およびユニット Download PDFInfo
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Description
その中で第1の膜および第2の膜が固定される概ね管状の本体であって前記液体を導入するための開口、前記導入開口と前記第1の膜との間の第1の隔室、前記第1の膜と第2の膜との間の第2の隔室、および前記第1の膜と前記第2の膜の反対の側の第3の隔室を有する前記本体と、所定の第1の細孔径を有する前記第1の膜と、前記第1の膜の前記所定の第1の細孔径よりも小さい所定の第2の細孔径を有する前記第2の膜とを備える前記サンプルを調製するためのユニットを得るステップと、
前記第1の膜を介して第1の隔室から第2の隔室へ前記液体の所定の容量を通過させるステップと、
前記第2の膜上に前記サンプルを収集するために前記第2の膜を介して第2の隔室から第3の隔室へ上述のように第2の隔室に到達した濾過液のすべてを通過させるステップであって、前記微生物はそのサイズが前記第1の膜の所定の細孔径よりも小さく前記第2の膜の所定の細孔径よりも大きい前記異なるタイプの微生物から選択されるステップと、
前記第2の膜上に上述のように収集された前記サンプルを回収するステップと
を含むことを特徴とする。
調製ユニットを得るステップは、その本体が前記第1の膜が固定される第1の部分、および前記第2の膜が固定される第2の部分を備え前記各部分が互いから取外し可能であるその調製ユニットを選択するステップを含み、前記サンプルを回収するステップは、前記本体の前記第1の部分から前記本体の前記第2の部分を分離するステップを含み、かつ/または
調製ユニットを得るステップは、前記第2の隔室に連通して塞がれていないことが可能な補助開口がその本体に形成される調製ユニットを選択するステップを含み、前記サンプルを回収するステップは、前記開口の栓を抜くステップと、前記補助開口によって前記第2の膜上に選択された前記微生物を溶解するための薬品を置くステップと、次いで前記第2の膜を介して第2の隔室から第3の隔室へそのように形成された溶解物を通過させるステップとを含む。
前記膜を介して前記液体を通過させるステップは、減圧下にある前記第3の隔室を配置することによって行われ、
前記膜を介して前記液体を通過させるステップは、増大した圧力下にある前記第1の隔室を配置することによって行われ、
前記膜を介して前記液体を通過させるステップは、前記調製ユニットに遠心力を作用させることによって行われ、
調製ユニットを得るステップは、前記第1の膜として1μmよりも大きい細孔径の膜を選択するステップを含み、
調製ユニットを得るステップは、前記第2の膜として0.65μmよりも小さい細孔径の膜を選択するステップを含み、かつ/または
調製ユニットを得るステップは、前記第2の膜として0.1μmよりも小さい細孔径の膜を選択するステップを含む。
前記第1の膜の細孔は1μmよりも大きい直径であり、
前記第2の膜の細孔は0.65μmよりも小さい直径であり、
前記第2の膜の細孔は0.1μmよりも小さい直径であり、
前記本体は前記第1の膜が固定される第1の部分、および前記第2の膜が固定される第2の部分を備え、前記回復手段は前記第1の部分から前記第2の部分を分離するための手段であり、
前記回復手段は、前記本体に形成され前記第2の隔室に連通して塞がれていないことが可能な開口を備え、
前記本体は前記第3の隔室を画定するカップを備え、かつ/または
前記カップは取外し可能である。
2、102、202 本体
3 第1の膜
4 第2の膜
5、6 多孔質支持体
7、107、207、8、108、208 開口
9、109、209 第1の部分
10、110、210 第2の部分
11、12、13、14 面
15、115、215 第1の円筒形部分
16、116、216 第2の円筒形部分、手段
17、117、217、23、123、223、24 横断環状壁
20、120、220 第1の円筒形部分、手段
21、121、221 第2の円筒形部分
22 第3の円筒形部分
26、126、226 第1の隔室
27、127、227 第2の隔室
28、128、228 第3の隔室
130、230 カップ
232 補助開口、手段
233 取外し可能ストッパ
Claims (16)
- 所定の形態学的特徴をそれぞれ有するいくつかの異なるタイプの微生物を含むことができる液体の微生物分析のためのサンプルを調製する方法にして、その方法は前記異なるタイプの微生物から微生物の選択を行うステップを含み、選択を行う前記ステップが、
その中で第1の膜(3)および第2の膜(4)が固定される概ね管状の本体(202)であって、前記液体を導入するための開口(207)、前記導入開口(207)と前記第1の膜(3)との間の第1の隔室(226)、前記第1の膜(3)と第2の膜(4)との間の第2の隔室(227)、および前記第2の膜(4)に関して前記第1の膜とは反対の側の第3の隔室(228)を有する前記本体(202)を含み、前記第1の膜(3)は所定の第1の細孔径を有し、前記第2の膜(4)は前記第1の膜(3)の前記所定の第1の細孔径よりも小さい所定の第2の細孔径を有する、前記サンプルを調製するための調製ユニット(201)を得るステップと、
前記第1の膜(3)を介して第1の隔室(226)から第2の隔室(227)へ前記液体の所定の容量を通過させるステップと、
前記異なるタイプの微生物から選択された、サイズが前記第1の膜(3)の所定の細孔径よりも小さく前記第2の膜(4)の所定の細孔径よりも大きい微生物を有する前記サンプルを、前記第2の膜(4)上に収集するために、前記第2の膜(4)を介して第2の隔室(227)から第3の隔室(228)へ上述のように第2の隔室(227)に到達した濾過液のすべてを通過させるステップと、
前記第2の膜(4)上に上述のように収集された前記サンプルを回収するステップと
を含む方法であって、
調製ユニットを得るステップが、ストッパを取り外すことができ、前記第2の隔室(227)に連通している補助開口(232)がその本体(202)に形成されている調製ユニット(201)を選択するステップを含み、
前記サンプルを回収するステップが、前記開口(232)のストッパを取り外すステップと、前記補助開口(232)によって前記第2の膜(4)上に選択された前記微生物を溶解するための薬品を置くステップと、次いで前記第2の膜(4)を介して第2の隔室(227)から第3の隔室(228)へそのように形成された溶解物を通過させるステップとを含むことを特徴とする、方法。 - 調製ユニットを得るステップが、その本体(202)は前記第1の膜(3)が固定される第1の部分(209)、および前記第2の膜(4)が固定される第2の部分(210)を備え前記各部分は互いから取外し可能であるその調製ユニット(201)を選択するステップを含むことを特徴とする、請求項1に記載の方法。
- 前記膜(3)および膜(4)を介して前記液体を通過させるステップが、減圧下にある前記第3の隔室(28)を配置することによって行われることを特徴とする、請求項1または2に記載の方法。
- 前記膜(3)および膜(4)を介して前記液体を通過させるステップが、増大した圧力下にある前記第1の隔室(26)を配置することによって行われることを特徴とする、請求項1または2に記載の方法。
- 前記膜(3)および膜(4)を介して前記液体を通過させるステップが、前記調製ユニット(201)に遠心力を作用させることによって行われることを特徴とする、請求項1または2に記載の方法。
- 調製ユニット(201)を得るステップが、前記第1の膜(3)として1μmよりも大きい細孔径の膜を選択するステップを含むことを特徴とする、請求項1から5のいずれか一項に記載の方法。
- 調製ユニットを得るステップが、前記第2の膜(4)として0.65μmよりも小さい細孔径の膜を選択するステップを含むことを特徴とする、請求項1から6のいずれか一項に記載の方法。
- 調製ユニットを得るステップが、前記第2の膜として0.1μmよりも小さい細孔径の膜を選択するステップを含むことを特徴とする、請求項7に記載の方法。
- 請求項1から8のいずれか一項に記載の方法を履行するのに適したサンプルを調製するためのユニットであって、その中で第1の膜(3)および第2の膜(4)が固定される概ね管状の本体(202)を備え、前記本体(202)は、前記液体を導入するための開口(207)、前記導入開口(207)と前記第1の膜(3)との間の第1の隔室(226)、前記第1の膜(3)と第2の膜(4)との間の第2の隔室(227)、および前記第2の膜(4)に関して前記第1の膜(3)とは反対の側の第3の隔室(228)を有し、前記第1の膜(3)は所定の第1の細孔径を有し、前記第2の膜(4)は前記第1の膜(3)の前記所定の第1の細孔径よりも小さい所定の第2の細孔径を有し、前記ユニットが前記第1の膜(3)によって第1の隔室から第2の隔室へ前記液体の所定の容量を通過させて次いで前記第2の膜(4)上に前記サンプルを収集するために前記第2の膜(4)を介して第2の隔室から第3の隔室へ上述のように第2の隔室(227)に到達した濾過液のすべてを通過させるように構成され、また前記本体が前記第2の膜(4)上に上述のように収集された前記サンプルを回収するための回収手段(232)を備えたユニットであって、
前記回収手段が、前記本体(202)に形成された、ストッパを取り外すことができ、前記第2の隔室(227)に連通する開口(232)を備えることを特徴とする、ユニット。 - 前記第1の膜(3)が、濡れると空気に透過性があることを特徴とする、請求項9に記載のユニット。
- 前記第1の膜(3)の細孔が、1μmよりも大きい直径であることを特徴とする、請求項10に記載のユニット。
- 前記第2の膜(4)の細孔が、0.65μmよりも小さい直径であることを特徴とする、請求項9から11のいずれか一項に記載のユニット。
- 前記第2の膜(4)の細孔が、0.1μmよりも小さい直径であることを特徴とする、請求項12に記載のユニット。
- 前記本体(202)が、前記第1の膜(3)が固定される第1の部分(209)、および前記第2の膜(4)が固定される第2の部分(210)を備えることを特徴とする、請求項9から13のいずれか一項に記載のユニット。
- 前記本体(202)が、前記第3の隔室(228)を画定するカップ(230)を備えることを特徴とする、請求項9から14のいずれか一項に記載のユニット。
- 前記カップ(230)が、取外し可能であることを特徴とする請求項15に記載のユニット。
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FR0605796A FR2902799B1 (fr) | 2006-06-27 | 2006-06-27 | Procede et unite de preparation d'un echantillon pour l'analyse microbiologique d'un liquide |
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US20090181450A1 (en) | 2009-07-16 |
FR2902799A1 (fr) | 2007-12-28 |
EP1873231A1 (en) | 2008-01-02 |
SG138529A1 (en) | 2008-01-28 |
JP2008005840A (ja) | 2008-01-17 |
EP1873231B1 (en) | 2013-12-11 |
FR2902799B1 (fr) | 2012-10-26 |
US20070298451A1 (en) | 2007-12-27 |
US9410181B2 (en) | 2016-08-09 |
CN101096699B (zh) | 2012-06-06 |
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US9090930B2 (en) | 2015-07-28 |
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