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Study on the Development of Two-Stage Centrifugal Blood Pump for Cardiopulmonary Support System
Horiguchi, Hironori,Tsukiya, Tomonori,Nomoto, Takeshi,Takemika, Toratarou,Tsujimoto, Yoshinobu Korean Society for Fluid machinery 2014 International journal of fluid machinery and syste Vol.7 No.4
In the cardiopulmonary support system with an ECMO (extracorporeal membrane oxygenation), a higher pump head is demanded for a blood pump. In order to realize a blood pump with higher pump head, higher anti-hemolysis and thrombosis performances, a study on the development of unprecedented multistage blood pump was conducted. In consideration of the application of the blood pump for pediatric patients, a miniature two-stage centrifugal blood pump with the impeller's diameter of 40mm was designed and the performance was examined in experiments and computations. Some useful knowledge for a design of the blood pump with higher anti-hemolysis and thrombosis performances was obtained.
Study on the Development of Two-Stage Centrifugal Blood Pump for Cardiopulmonary Support System
Hironori Horiguchi,Tomonori Tsukiya,Takeshi Nomoto,Toratarou Takemika,Yoshinobu Tsujimoto 한국유체기계학회 2014 International journal of fluid machinery and syste Vol.7 No.4
In the cardiopulmonary support system with an ECMO (extracorporeal membrane oxygenation), ahigher pump head is demanded for a blood pump. In order to realize a blood pump with higher pump head, higher anti-hemolysis and thrombosis performances, astudy on the development of unprecedented multistage blood pump was conducted. In consideration of the applicationof the blood pump for pediatric patients, a miniature two-stage centrifugal blood pump with the impeller’s diameter of40mm was designed and the performance was examined in experiments and computations. Some useful knowledge for a design of the blood pump with higher anti-hemolysis and thrombosis performances was obtained.
Hironori Horiguchi,Tomonori Tsukiya,Toratarou Takemika,Takeshi Nomoto,Yoshinobu Tsujimoto 한국유체기계학회 2015 International journal of fluid machinery and syste Vol.8 No.1
In cardiopulmonary support systems with a membrane oxygenation such as a percutaneous cardiopulmonary support (PCPS) or an extracorporeal membrane oxygenation (ECMO), blood pumps need to generate the pressure rise of approximately 200mmHg or higher, due to the high hydraulic resistances of the membrane oxygenation and of the cannula tubing. In order to realize the blood pump with higher pressure rise, higher anti-hemolysis and thrombosis performances, the development of novel centrifugal blood pump composed of two-stage has been conducted by the authors. In the present paper, effective attempts to decrease the wall shear stress and to suppress the stagnation are introduced for the prevention of hemolysis and thrombosis in blood pumps. The hemolysis test was also carried out and it was clarified that the decrease of wall shear stress is effective as a guideline of design of blood pumps for improving the anti-hemolysis performance.
Horiguchi, Hironori,Tsukiya, Tomonori,Takemika, Toratarou,Nomoto, Takeshi,Tsujimoto, Yoshinobu Korean Society for Fluid machinery 2015 International journal of fluid machinery and syste Vol.8 No.1
In cardiopulmonary support systems with a membrane oxygenation such as a percutaneous cardiopulmonary support (PCPS) or an extracorporeal membrane oxygenation (ECMO), blood pumps need to generate the pressure rise of approximately 200mmHg or higher, due to the high hydraulic resistances of the membrane oxygenation and of the cannula tubing. In order to realize the blood pump with higher pressure rise, higher anti-hemolysis and thrombosis performances, the development of novel centrifugal blood pump composed of two-stage has been conducted by the authors. In the present paper, effective attempts to decrease the wall shear stress and to suppress the stagnation are introduced for the prevention of hemolysis and thrombosis in blood pumps. The hemolysis test was also carried out and it was clarified that the decrease of wall shear stress is effective as a guideline of design of blood pumps for improving the anti-hemolysis performance.