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Title:
MICRO GENERAL ANALYSIS SYSTEM WITH MECHANISM FOR PREVENTING LEAKAGE OF LIQUID
Document Type and Number:
WIPO Patent Application WO/2007/145040
Kind Code:
A1
Abstract:
A micro general analysis system comprising an inspection chip provided with a microchannel and a channel opening communicating with a micropump on the upstream side of a reagent containing section, a driving liquid tank containing driving liquid, a micropump unit provided with a plurality of micropumps at respective positions in the plane direction of a sheet of chip such that the upstream side of each micropump communicates with the driving liquid tank and a channel opening communicating with the microchannel of the inspection chip is provided on the downstream side, and a system body containing the micropump unit and the driving liquid tank in one containing body, wherein analysis is performed while the inspection chip is attached to the system body, and a mechanism for altering the direction of pressure at the channel opening of the micropump unit depending on attachment/detachment of the inspection chip to/from the system body is provided.

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Inventors:
SANDO YASUHIRO (JP)
HIGASHINO KUSUNOKI (JP)
AOKI YOUICHI (JP)
NAKAJIMA AKIHISA (JP)
Application Number:
PCT/JP2007/059496
Publication Date:
December 21, 2007
Filing Date:
May 08, 2007
Export Citation:
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Assignee:
KONICA MINOLTA MED & GRAPHIC (JP)
SANDO YASUHIRO (JP)
HIGASHINO KUSUNOKI (JP)
AOKI YOUICHI (JP)
NAKAJIMA AKIHISA (JP)
International Classes:
G01N35/08; G01N37/00
Domestic Patent References:
WO2005108571A12005-11-17
WO2006046433A12006-05-04
Foreign References:
JP2004294113A2004-10-21
JP2004160368A2004-06-10
JP2001513439A2001-09-04
JP2005161853A2005-06-23
JP2005323519A2005-11-24
JP2004028589A2004-01-29
JP2001322099A2001-11-20
JP2004108285A2004-04-08
JP2004270537A2004-09-30
JP2006027166A2006-02-02
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