Fluid feeding system, fluid feeding method and flow channel...

Details Fluid feeding system, fluid feeding method and flow channel... Fluid feeding system, fluid feeding method and flow channel...

2006-05-19

2009-08-18

Griffin, Walter D (Department: 1797)

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

Reexamination Certificate

active

07575718

ABSTRACT:
A fluid feeding system consists of a flow channel member and a fluid feeding apparatus. The flow channel member has at least a flow channel for feeding a fluid to a sensor surface. Pipette catchers are formed at inlet and outlet openings of the flow channel. The fluid feeding apparatus comprises a movable pipette head having a couple of pipettes, a head moving mechanism and pumps for sucking and ejecting the fluid through the pipettes. To inject the fluid into the flow channel, ends of the pipettes are pressed onto the pipette catchers. The pipette catchers are formed from a soft material, so that they are deformed resiliently when the ends of the pipettes are pressed onto the pipette catchers, thereby ensuring water-tightness between the pipettes and the flow channel, without the need for fitting the pipettes in the inlet and outlet openings.

REFERENCES:
patent: 3294605 (2002-04-01), None

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