지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
A mock circulatory loop system has been developed to construct a simulator for trainees in cardiopulmonary bypass systems or to simulate a test environment for cardiac-assist devices. This paper proposes a computerized mock circulatory loop system whose node is modularized by using a servo control flow regulator to simulate dynamic change of the hemodynamic status. To observe the effect of time-varying resistance, one with hemodynamic properties, the proposed system replicates the planned cross-sectional areas of the outlet of a ventricular assist device in terms of voltage input of a servo valve. The experiment is performed (1) for steady-input commands of selected area sizes and (2) for dynamic commands such as monotonous increase and decrease, and oscillatory functions of the voltage input, and a computer program based on LabVIEW (National Instruments, Austin, USA) processes every measured data and control command to the servo valve. The results show that the pressure and flow at the target points with respect to time-varying resistance match intuitive estimation: the pressure at the outlet and the pressure drop between both sides of the valve increased and the flow at the outlet decreased for increased resistance.
목차
등록된 정보가 없습니다.
참고문헌 (14)
참고문헌 신청
Baloa, L. / 2001 / Elastance-based control of a mock circulatory system / Ann. Biomed Eng 29 : 244 ~ 251
Conlon, M. J. / 2006 / Development of a mathematical model of the human circulatory system / Ann. Biomed. Eng 34 : 1400 ~ 1413
Donovan, F. / 1975 / Design of a hydraulic analog of the circulatory system for evaluating artificial hearts / Artif. Cell. Blood Sub 3 : 439 ~ 449
Ferrari, G. / 2002 / A hybrid mock circulatory system: testing a prototype under physiologic and pathological conditions / ASAIO j 48 : 487 ~ 494
Geertsema, A. A. / 1997 / Development of a numerical simulation model of the cardiovascular system / Artif. organs 21 : 1297 ~ 1301
Conlon, M. J. / 2006 / Development of a mathematical model of the human circulatory system / Ann. Biomed. Eng 34 : 1400 ~ 1413
Donovan, F. / 1975 / Design of a hydraulic analog of the circulatory system for evaluating artificial hearts / Artif. Cell. Blood Sub 3 : 439 ~ 449
Ferrari, G. / 2002 / A hybrid mock circulatory system: testing a prototype under physiologic and pathological conditions / ASAIO j 48 : 487 ~ 494
Geertsema, A. A. / 1997 / Development of a numerical simulation model of the cardiovascular system / Artif. organs 21 : 1297 ~ 1301
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