Skin incision device for catheter placement system

Abstract

A skin lancing device (210) for enlarging an insertion site for catheter placement is slidably coupled to a needle (120) and has one or more blades (230) mounted to a frame (214). Displacing the skin lancing device distally along the needle causes the blades to incise the skin and enlarge the insertion site. A shield (214) of the skin lancing device transitions between a safety configuration that stores the blade and a use configuration that exposes the blade, with the shield biased toward the safety configuration. A latch (217) secures the shield in the safety configuration and an actuator (218) releases the latch. A sheath (216) of the skin lancing device includes a needle slidably disposed within a lumen of the sheath and a sharp tip of the blade embedded within the wall of the sheath.

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