关键词:  , 机会丧失；医疗损害；鉴定

Abstract: With the implementation of the "Tort Liability Act", the forensic medical malpractice presents a rising trend. loss-of-changce medical harm identified is a special type of identification of the causal relationship as the basis of the proportion of liability. Medical mistakes to patients survival or reduce the chance of cure, medical institutions should bear liability often depends on the survival or loss of chance of cure rate reduction. The purpose of present in China has not been formed unified causality principles to solve this problem it is necessary to protect the legitimate rights and interests of the patients in the medical process, but also to protect and promote the development of medical science and technology. Since 1981, the United States has the opportunity loss of compensation as required by the consequences of the damage to national development has more than 30 years, to learn from abroad that have occurred in the past cases, forensic work for a late start in China, with research the theoretical value and practical significance.

Key words: loss-of-changce, medical harm, identification