Results, Discussion and Conclusion: The results of this study shown that the means of the
time of using ampoule breaker: RSU I for the opening the glass ampoule was 1.02 s and the
means of the time of using their hands for the opening the glass ampoule was 2.12 s (Table I)
Table1. The time for opening the glass ampoule about using ampoule breaker: RSU I and
using hands