Patent ID: 6607543
Filing Date: 2003-08-19
Classification: A61B

Abstract:
A lancing mechanism for puncturing skin, comprising:a lance having a penetration end being adapted to puncture skin, the penetration end of the lance being movable from a first position to a second position during a forward stroke, the penetration end of the lance being movable between the second position and the first position during a return stroke; a forcing plunger being adapted to apply a force to the lance to move the lance from the first position to the second during the forward stroke, the forcing plunger being adapted to engage the lance during the forward stroke to move the penetration end of the lance from the first position to the second position, the forcing plunger being adapted to disengage the lance when the penetration end of the lance is in the second position; and a first resilient member coupled to the lance being adapted to move the first end of the lance from the second position to the first position during the return stroke.