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Development and Implantation of Pendulum-Type Moving Actuator Total Artificial Heart (Korean Heart) for Human-size Animal : 원추형 이동작동기 방식 완전 인공심장의 개발 및 동물 실험
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- Authors
- Issue Date
- 1990-06
- Citation
- Seoul J Med, Vol.31 No.2, pp. 129-135
- Keywords
- Moving actuator ; Pendulum-type pump ; Tether-free ; Human chest cage
- Abstract
- A new version of a moving actuator electromechanical total artificial heart was
designed to improve the total efficiency, durability, and fit inside the thoracic cavity.
Compared with our present type of rolling-cylinder actuator, this new model has a pendulum-
type actuator with reciprocating motion around a fixed circular path connected through
the gear mechanisms to the motor. By using this mechanism, efficiency and "durability improved
by replacing the sliding mechanism with rolling contact elements. Also, the height of
the pump decreased from 9 cm to 7 cm with a static stroke volume of 65 cc.
With this new pump, we performed two animal experiments. We also evaluated the
engineering feasibility of implanting this pump into a small, human-size animal (less than 70
Kg).
- ISSN
- 0582-6802
- Language
- English
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