preventive measure
medical device
protective equipment
dental prophylaxis
health precaution
1. The doctor recommended using a prophylactic device to prevent further infection.
医生建议使用预防性装置以防止进一步感染。
2. A prophylactic device is essential in modern dentistry for maintaining oral hygiene.
在现代牙科护理中，预防性装置对于维持口腔卫生至关重要。
3. Proper use of a prophylactic device can significantly reduce the risk of disease transmission.
正确使用预防性装置可以显著降低疾病传播的风险。
A: Why do we need to use this prophylactic device during the procedure?
A：为什么我们在操作过程中需要使用这种预防性装置？
B: It is necessary to protect both the patient and the medical staff from potential contaminants.
B：为了保护患者和医务人员免受潜在污染物的侵害，这是很有必要的。
1) 医疗预防器材
2) 防护性装置
3) 预防疾病的工具
1. 预防性装置
e.g.
The use of a prophylactic device is recommended for dental health.
建议使用预防性装置以维护牙齿健康。
noun phrase
1. An instrument or device used to prevent disease or infection.
Synonym: preventive device, protective equipment