Pipetter, pipette tube, sample analyzing apparatus including the

Details Pipetter, pipette tube, sample analyzing apparatus including the Pipetter, pipette tube, sample analyzing apparatus including the

1990-07-10

1992-12-29

Noland, Tom

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386422, 7386411, 7386332, 250437, 250438, B01L 302, G01N 114

Patent

active

051741628

ABSTRACT:
A pipetter capable of mixing liquids and dispensing the mixed liquid has a pipetting tube, an actuating device connected to the tube for sucking liquid into and discharging liquid from the tube, and a flow disturbance device in the tube spaced from the discharge and suction end thereof and adapted to cause longitudinal mixing of liquid in the tube when liquid is moved along the tube in at least one direction. Mixing is effected in the tube by causing a liquid body to move repeatedly to and fro along the tube so that during each such movement at least a portion of the liquid body passes the flow disturbance device and the liquid body is not discharged from the first end of the tube. The pipetter is useful for example in mixing a suspension of blood cells with a reagent prior to analysis.

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Patent Abstracts of Japan, Grp. P1050, vol. 14, No. 238, Abs. Pub. Date May 21, 1990 (02-59670).
Patent Abstract of Japan, Grp. P924, vol. 13, No. 387, Abs. Pub. Date Aug. 21, 1989 (01-136008).

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