SAFETY NEEDLE SHEATH IN ANTI REFLUX CATHETER HAVING NOVEL VALVE MEANS

摘要

SAFETY NEEDLE SHEATH IN ANTI REFLUX CATHETER HAVING NOVEL VALVE MEANS Methods for preventing needle-stick injuries to healthcare workers during intravenous or intra-arterial procedures as well as for preventing catheter-contamination and blood clotting within the tip of the catheter. Also, novel fluid directing means and catheters which include integral fluid flow control means for use in these methods.