Roche Diagnostics Operations, Inc.

Roche Diagnostics Gmbh

Precision System Science Co., Ltd.

F. Hoffmann-la Roche Ag

Volker Degenhardt

Hideji Tajima

Hermann Leying

Andreas Bauer

Björn Degenhardt, Legal Representative

Kimimichi Obata

Claus Bamberg

Analysis system and method for the analysis of a body fluid sample for an analyte contained therein are disclosed. The analysis system has a dosing station for dosing a liquid into a test element through a sample supply opening, which reacts with a reagent system present in a sample analysis channel of the test element. The analysis system also has a measurement station for measuring a measurement variable characteristic of the reaction at the measuring zone of a test element for the analytical result. The test element also includes a separate flushing liquid supply opening and a flushing liquid collection chamber which are in fluid communication to one another via a flushing liquid channel. The flushing liquid channel and the sample analysis channel differ from one another in such a manner that a liquid flowing through the flushing liquid channel does not reach the measuring zone.

Analysis system and method for the analysis of a body fluid sample for an analyte contained therein

Methods for dosing a fluid into a receiving channel of a test element using a dosing device are disclosed. The dosing device comprises a dosing chamber in fluid connection with a dosing tube having a dosing tip, an optional dosing element extending at least partially into the dosing chamber, a dosing control device, and a movement device for moving the dosing tube and the test element closer to one another. The movement device is actuated to move the dosing tube relative to the test element. The dosing control device is actuated to discharge a fluid into the receiving channel. During the discharge, a fluid bridge forms between the dosing tip and the receiving channel. At the end of the discharge, at least some of the fluid reaches the receiving channel through suction force. A disposable cartridge may be used for dosing a fluid into such a receiving channel.

Dosing device for dosing a fluid into a receiving channel of a test element for analyzing bodily fluids and method thereof

An object is to provide a dispenser operation verification apparatus and verification method that enables operation with high reliability and high accuracy. The construction is such that with a dispenser comprising: one or a plurality of transparent or semi-transparent liquid passages capable of liquid suction, discharge and storage; a pressure control device for controlling the pressure in the liquid passage; a transport device for effecting relative movement between a container and the liquid passage; and an operation instruction device for issuing operating instructions to the pressure control device and the transport device, the operation of the dispenser is verified by providing; a detecting device for detecting an optical condition of the liquid passage, a movable region thereof or a part of that region, and a judgement device for judging the result of the instruction related to the liquid passage issued by the operation instruction device, based on the optical conditions detected by the detecting device.

Operation checking device and checking method for dispenser

Growing community of inventors

Heppenheim, Germany

Volker Degenhardt