Analysis system for determining an analyte in a body fluid and disposable integrated sample acquisition and analysis element

摘要

An analyte determination analysis system with a disposable integrated sample acquisition and analysis element is disclosed. A piercing element has a tip for generating a bodily puncture wound and a test strip having a body fluid sample receiving zone to perform an analysis on a body fluid sample. A reusable analysis instrument comprises a coupling unit that couples the integrated sample acquisition and analysis element to a drive that drives a piercing element in a piercing movement comprising two phases: a propulsion phase wherein the piercing element moves on a puncture path in a puncture direction and a retraction phase wherein the piercing element moves opposite to the puncture direction after reaching a reversal point. A measuring and analysis unit measures a variable characteristic for the determination of the analyte and determines a desired analysis result on the basis of the measurement. The sample receiving zone of the test strip forms a sample contact. The piercing element, located parallel to the test strip, moves on a movement path relative to the test strip a puncture path. The piercing element, located adjacent to the sample contact, has a capillary channel with a sample inlet for body fluid entry after the piercing and a sample outlet for body fluid exit. The piercing element movement has a sample transfer position wherein the sample outlet is adjacent to the sample receiving zone such that the body fluid may be transferred from the capillary channel through the sample outlet to the sample receiving zone.