A skin pricking apparatus including a casing 1, a lancet 15 located within the casing, a firing button 9 arranged to transfer a user applied force to the lancet 15 to drive the lancet through the casing 1, and lancet retaining element 12, 13, 23a,b arranged to substantially prevent movement of the lancet...http://www.google.de/patents/US20080004651?utm_source=gb-gplus-sharePatent US20080004651 - Skin Pricking Apparatus
