How should an ampoule of the Aguettant Ltd nicardipine 10 mg/10 ml solution for injection product be opened?

To open an ampoule of the Aguettant Ltd nicardipine 10 mg/10 ml solution for injection product, hold it with the colour point upward, tap any liquid in the upper part down into the body, then grasp the end above the point and exert pressure to break it.