Patent ID: 8118824

Claim:
An apparatus, comprising: a lancet for forming an incision in tissue; a crank being configured to rotate about an axis; a connecting rod connecting the lancet to the crank; one or more magnets configured to rotate the crank about the axis for actuating the lancet to form the incision; the one or more magnets being permanent magnets; the one or magnets including a first crank magnet attached to the crank, a second crank magnet attached to the crank, and a drive magnet rotatable relative to the first and second crank magnets; a first trigger positioned to hold the crank in a first cocked position where the drive magnet is oriented to create a first repulsive force with the first magnet; and a second trigger positioned to hold the crank in a second cocked position where the drive magnet is oriented to create a second repulsive force with the second magnet.