IV CANNULAS Steel needle (butterfly")set Cap for needle Stem Plastic Wings adapter Tubing Over-the-needle In-needle catheter catheter Needle Needle Catheter Catheter From:Leahy,J.Kizilay,P.(1998).Foundations of nursing practice: A nursing process approach.Philadelphia:W.B.Saunders.IV CANNULAS From: Leahy, J. & Kizilay, P. (1998). Foundations of nursing practice: A nursing process approach. Philadelphia: W.B. Saunders