Patent ID: 7452365

Claim:
A skin incision device comprising: a casing having a slot formed at a bottom surface thereof; a cover positioned on said casing, said cover being slidable in a direction transverse to a plane of said bottom surface of said casing; a blade pivotally positioned within said casing generally adjacent said slot, said blade having a pre-actuated position and a post-actuated position; an actuator means anchored to said casing, said actuator means being actuatable by slidable movement of said cover toward said bottom surface, said actuator means for converting transverse movement of said cover into horizontal movement of said actuator means, said actuator means engaging said blade at said pre-actuated position through said post-actuated position such that at least a portion of said blade extends outwardly of said slot during the movement between said pre-actuated position and said post-actuated position; and a carriage means anchored to said casing and pivotally attached to said blade, said carriage means for guiding movement of said blade from said pre-actuated position through said post-actuated position, said carriage means comprising: an arcuate member; a cam formed at one end of said arcuate member, said cam being pivotally affixed to said blade; and an anchor end formed at an opposite end of said arcuate member from said cam, said anchor end being affixed to said casing, said blade comprising: a razor member having a cutting edge; a retaining hole positioned adjacent an end of said blade, said cam being pivotally affixed to said retaining hole; and an elongated hole positioned adjacent an opposite end of said blade, said elongated hole being rotatably interconnected to said casing, said casing having a blade retainer peg formed therein adjacent said slot of said casing, said elongated hole of said blade positioned over said blade retainer peg, said elongated hole being an obround aligned with a longitudinal axis of said blade.