预防血栓性栓塞性疾病,特别是预防普通外科手术或骨科手术中高危病人(呼吸衰竭和/或呼吸感染和/或心力衰竭),危重病情监护病人的血栓栓塞性疾病;2. 治疗血栓栓塞性疾病;3. 在血液透析中预防血凝块形成Prevention of thrombotic embolism, especially in high-risk patients in general or orthopaedic surgery (respiratory failure and/or respiratory infection and/or heart failure), patients with critical conditions and monitoring of thrombosis disease; Treatment of thrombosis disease; Prevention of blood clot formation in hemodialysis