知情同意权是患者的一项基本权利[1]。所以,医务人员在医疗活动中对患者的病情、医疗措施和医疗风险等认真履行告知义务,并由患者及家属签字,不仅是对医务人员的自我保护,也是对患者认真负责的体现,更是确保临床医疗安全的重要环 Informed consent is a basic right of the patient [1]. Therefore, medical staff in the medical activities of the patient’s condition, medical measures and medical risks and so seriously fulfill the obligation to inform and sign by patients and their families, not only for self-protection of medical staff, but also a serious and responsible manifestation of the patient, but also Important to ensure the safety of clinical medicine