血泵叶轮的流线型设计及其对溶血性能的影响  

Effect of Impeller Vane Number and Angles on Pump Hemolysis

作　　者：钱坤喜[1] 封志刚[1] 曾培[1] 茹伟民[1] 袁海宇[1] 

机构地区：[1]江苏大学生物医学工程研究所,镇江212013

出　　处：《生物医学工程学杂志》2003年第4期605-607,共3页Journal of Biomedical Engineering

基　　金：国家自然科学基金资助项目 (3 9970 73 6)

摘　　要：根据三元解析设计方法设计加工的血泵叶轮叶片 ,具有对数螺旋线形状。为研究不同的叶片数和螺旋角对溶血的影响 ,制作了两组共 5个叶轮。第一组叶轮具有不同叶片数 ,第二组叶轮具有不同叶片角 ,分别进行溶血比较试验。研究结果表明 ,叶片数为 6 ,对数螺旋角为 30°的叶轮溶血指数最低。To evaluate the effect of impeller design on pump hemolysis, five impellers with different number of vanes or different vane angles were manufactured and tested in one pump for hemolysis comparison. The impellers are made to have the same dimension and same logarithmic spiral vane from which coincide with the stream surfaces in the pump, according to the analytical and three dimensional design method developed by the authors. Consequently, an impeller with 6 vanes and 30° vane angle has the lowest hemolysis index. This result agrees with the theoretical analyses of other investigators searching optimal number of vanes and vane angle to achieve the highest efficiency of the pump.

关 键 词：血泵叶柃 流线型设计 溶血性能 人造心脏泵 

分 类 号：R318.6[医药卫生—生物医学工程]