Pipetting apparatus with a computer program product and a...

Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Miscellaneous laboratory apparatus and elements – per se

Reexamination Certificate

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Details

C422S501000, C422S502000, C422S503000, C436S180000, C073S864110

Reexamination Certificate

active

07964160

ABSTRACT:
The invention relates to a pipetting apparatus (1) having a pipette tip (2) for aspirating and dispensing liquid samples; a pump (4) for generating negative pressure or positive pressure in the pipette tip (2) that is connected to the pipette tip (2) by means of a pump conduit (3); a fluid chamber (5) defined by the pipette tip (2) and/or the pump conduit (3); a measurement probe (6) functionally connected to the fluid chamber (5) for measuring the physical parameters resulting in this fluid chamber (5) during pipetting; and a device control system (7) with a processor (8), in which an activated computer program product enables the control system (7) of the pipetting apparatus (1) to individually accept or reject pipetted liquid samples on the basis of the physical parameters measured. The pipetting apparatus (1) in accordance with the invention is characterized in that it comprises a data storage device (9) for storing an actual measured curve (41) measured during pipetting and a simulated curve (42) for such a pipetting procedure and also a computer program product that in an activated state enables the processor (8) of this pipetting apparatus (1) to generate this simulated curve (42) and approximate it to the actual measured curve (41) iteratively to create an iterative curve (43) and then matching the pipetting and/or the corresponding pipetted liquid samples to one of a plurality of decision-making criteria on the basis of sections of the measured curve (44) in the actual measured curve (41) that deviate from defined threshold values (45) in relation to the corresponding sections of the curve (46) of the iterative curve (43). A corresponding computer program product and method are included within the scope of the invention.

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patent: 695 166 (2005-12-01), None
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patent: 1 207 396 (2000-10-01), None

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