Research Article
Volume 7 Issue 9 - 2020
Impeller Design Analysis and Evaluation of BSRM Total Artificial Heart: Sai Spandan
Pradeep Kumar Radhakrishnan1*, Sujatha Mohanty2, MVKV Prasad1, Pulivarthi Nageshwar Rao1, Siva Krishna Rao GV1, Dorai Nagaraju1, Nagesh Kumar1, Bisoi AK2, Siva Prasad1, Satya Narayana Murthy1, Satya Narayana MRS1, Ravi Shankar1, Srinivas1, Das PK3, Valluvan Jeevanandam4 and Venugopal P2
1Gitam University, India
2AIIMS, India
3IIT Kharagpur, India
4University of Chicago, USA
*Corresponding Author: Pradeep Kumar Radhakrishnan, Professor, Division of Cardiothoracic and Vascular Surgery, GIMSR Gitam University, India.
Received: June 25, 2020; Published: August 11, 2020




Abstract

Multiple impeller designs are available for total artificial heart design. Design of centrifugal pumps should minimise shear stress that is cause of haemolysis and thrombosis. The design chosen for impeller of Saispandan is backwardly curved four bladed designs. The impellers are powered by twin 12/14 bearing less switched reluctance motor powering its core. It is a twin motor double impeller assembly with proposed separate control systems for the right and left side. The development envisages in addition to a unique impeller design an automatic speed control system, automatic right/left balance, minimal hemolysis achieved with elegant designing of its elements and analysis using computational fluid dynamics. No thrombogenic zones were noted on analysis.

Keywords: Saispandan; Hybrid Bearing Less Switched Reluctance Motor; Computational Fluid Dynamics; Centrifugal Blood Pumps; Haemolysis; Thrombosis; Shear Stress

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Citation: Pradeep Kumar Radhakrishnan., et al.“Impeller Design Analysis and Evaluation of BSRM Total Artificial Heart: Sai Spandan”. EC Cardiology 7.9 (2020): 34-42.

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