US Patent 7105006 Adjustable lancet device and method

Lancet device that includes a body. A trigger is mounted to the body. A front cover has a skin engaging end that includes a lancet opening through which a lancet needle extends. A holding member is movably mounted within the body and includes a front end a rear end. The front end can be configured to receive a lancet. A stop surface moves with the holding member. A cam wheel includes cam surfaces which can be contacted by the stop surface. The cam wheel is configured to rotate at least partially. The cam wheel rotates about an axis that is parallel to an axis running through at least one of the lancet opening and the holding member.