Accident Tree Analysis of Common Pressure Measuring Accident for Capsule-pressure Mucus Sealing Hole Device

On the basis of summarizing common pressure measuring accidents in the application of capsule-pressure mucus sealing hole device, accident tree analysis is used to deduce possible causes of accident and relationship among them. The best way to prevent accidents is found through analysis and calculation, and the precautions for preventing measuring gas pressure accidents with capsule-pressure mucus sealing hole device are obtained.