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心脏病与癌症是当前对人类生命威胁最大的病症,虽然应用人造心瓣治疗心脏病有一定效果,但血栓性栓塞症对作过心瓣更换外科手术的病员,仍是一项经常性的威胁。为促使肌体组织长入暴露于血液的人造心瓣表面,国外研制成功了粉末烧结心瓣面层。伦敦专利局发布的专利1504024介绍,烧结人工心瓣面层的工艺包括下列步骤:对所选的人造心瓣表
Heart disease and cancer are currently the most threatening diseases in human life. Although the application of artificial heart valve to treat heart disease has a certain effect, thrombotic embolism is still a constant threat to patients who undergo heart valve replacement surgery . In order to promote the growth of body tissues into the surface of the artificial heart valve exposed to the blood, a powder sintered heart valve surface layer has been successfully developed abroad. Patent No. 1504024 published by the London Patent Office describes that the process of sintering artificial heart valve laminae includes the following steps: