Closed system safety device for venous and arterial cannulation

摘要

A venous and arterial cannulation device comprising a sliding structure (2), a pusher element (3) having a supporting surface (4) suitable for being engaged by a finger of the operator's hand and positioned to close a further end (2a) of the sliding structure (2), a catheter holder element (5) fixed in a removable manner to close one end (2b) of the sliding structure (2) and a needle holder element (6) inserted inside the sliding structure (2) where it is free to slide between an advanced position, in which a needle (8) is inserted in a catheter (14) from which the tip protrudes, and a retracted position in which the needle (8) is completely inside the sliding structure (2). The needle holder element (6) comprises one or more gripping portions (9) extending outside the sliding structure (2) and suitable for being engaged by other fingers of said operator's hand for moving said needle holder element (6) from the advanced position to the retracted position.