A puncture device (10, 110, 210) comprising: a housing (12) forming a central cavity that includes an opening (14, 114) and a hole (16), including the opening (14, 114) an axis aligned in a first direction and the hole including an axis aligned in a second direction, the first direction being generally perpendicular to the second direction； a lancet support (32) adapted to receive a lancet (34), the lancet support (32) being located within the central cavity formed by the housing (12), the lancet support (32) being adapted to maintain the lancet (34) in a position generally aligned with the opening (14, 114), the lancet (34) being adapted to extend at least partially through the opening (14, 114)； a drive spring (44) attached to and connecting the lancet holder (32) and the housing (12), the drive spring (44) being attached to the lancet holder (32) opposite the opening (14, 114) ； and an activation mechanism (18) that includes a user accessible component (22) and a plate spring (24), at least a portion of the user accessible component (22) extending through the opening (16) and being external to the housing (12), the user accessible component (22) being adapted to be pressed in the second direction towards the housing (12), the plate spring (24) being adapted to engage the lancet holder (32) after the depression of the user-accessible component (22) in the second direction, characterized in that the depression of the user-accessible component (22) in the second direction causes the plate spring (24) to move the support of lancet (32) away from the opening (14, 114) in the first direction to an inclined position.Un dispositivo de punción (10, 110, 210) que comprende: una carcasa (12) que forma una cavidad central que incluye una abertura (14, 114) y un orificio (16), incluyendo la abertura (14, 114) un eje alineado en una primera dirección e incluyendo el orificio un eje alineado en una segunda dirección, siendo la primera dirección generalmente perpendicular a la s
