Blood lancet system for blood withdrawal for diagnostic purposes

Blood lancet system for blood withdrawal for diagnostic purposes with a housing, a lancet holder movable in the housing for holding an exchangeable lancet, and a lancet drive for driving the pricking movement of the lancet holder with the lancet contained herein. The housing has a cap at the front end in pricking direction which can be removed in order to remove a used lancet from the lancet holder. The lancet and the housing cap are coupled, during the attachment of the housing cap, by a coupling mechanism comprising coupling elements matched to each other and enabling the extraction of the lancet from the lancet holder simultaneously with removing the housing cap.

Blood lancet

In a blood lancet consisting of a handle and a tip, which are injection molded in one piece of plastic, there is provided according to the invention a protective yoke which protects the tip against damage. The protective yoke (24) is integrally molded to the handle in one piece, leaving predetermined break points, so that it can be broken off. The tip of rhombic cross-section comprises a base which imparts mechanical stability and limits the pricking depth, and an offset fine pricking tip.