| abstract |
The invention relates to a lancet a lancet body (2) having a lancet tip (3) for generating a puncture wound and a capillary channel (4) for conveying body fluid from a puncture wound in a conveying direction (F), wherein the Kapfllärkanal (4) of a Slit is formed, which passes completely through the lancet body (2) perpendicular to the conveying direction (F), and a test area (5) for optically examining a body fluid sample conveyed by the capillary channel (4), wherein the test area (5) as a portion of Slit (4) is formed and comprises a transparent member (6,7,30) having a wetting surface for wetting with a body fluid sample to be examined. The invention further relates to a lancing system comprising such a lancet and a puncturing device for producing a puncture wound. |