Practi-Heparin Sodium (5,000 IU/0.2 mL ) 2mL Ampule (for training)Practi Heparin Sodium (5,000 IU 0. 2 mL) 2mL Ampule for clinical training. Practi Heparin is one of the most important nursing teaching supplies in skills labs, classrooms, and simulation centers. Even today, heparin continues to be one of the most commonly miscalculated drugs. You can teach a variety of heparin dosage calculations, measurement, and administration skills safely with Wallcurs Practi Heparin Ampule. Each 2 mL clear ampule contains