Practi-Ropivacaine™ 40 mg/20 mL Vial For TrainingPracti Ropivacaine 20 mL Vial for clinical training. Wallcur's Practi Ropivacaine 40 mg 20 mL vial simulates ropivacaine (Naropin), is filled with distilled water and is safe for use with manikins or task trainers. Teach your students the sterile techniques of large vial handling, air replacement, dosage aspiration and needle withdrawal of a common anesthetic used for numbing an area of the body to relieve pain before, during, or after surgery, or to