3.3. Safety evaluation
ADVERSE EVENTS, EVENTS, EVENT, ADVERSE EVENT
The safety evaluation of the mobile robot includes the researcher observing and recording all safety-related events during the functioning of the robot.A total of 12 (13 times) adverse events (AEs) occurred during the whole study, but no serious adverse event (SAE) occurred, and all adverse events were unrelated to the study devices. The adverse event rate was 16.67%. In the whole research process, there is no safety event of the whole machine. On the whole, the mobile robot has good safety.