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Item Information   Holdings       More by this author     Graff, Nicole M.     Subjects     Models, Cardiovascular     Computer simulation     Heart, Mechanical     MSP Thesis.     Browse Catalog     by author:      Graff, Nicole M.       by title:      Design and evaluatio...         MARC Display

Design and evaluation of the MSOE mock circulatory loop : perfusion simulator hardware version 2.0 / by Nicole M. Graff. by Graff, Nicole M. Subjects Models, Cardiovascular   Computer simulation   Heart, Mechanical   MSP Thesis. Description:  x, 187 leaves : ill. ; 30 cm. Contents:  Clinical advisor: Matthew Hietpas Committee members: Dr. Steven Barnicki, Dr. Vincent Canino Simulators are not manually controlled; therefore, the addition of a computer to control the resistance and compliance is a required element. The software written to control the MSOE Mock Circulatory Loop via an A/D board was written by Jeffrey S. Dunn and Patrick E. Hoppe. The hardware portion of version 1.0 of the MSOE perfusion simulator was designed by Duane R. Pinter. This paper describes the design and analysis of the new MSOE Mock Circulatory Loop and the hardware used to interface with the computer. Introduction -- Historical view of circulation modeling -- Physiological requirements -- Specifications for design of a mock circulation loop -- Resistance design -- Compliance design -- Construction of the loop -- Analysis of the loop -- Discussion -- Appendix: A- Blood volume calculation B- Conversion factor of SVR calculation C- Reynolds number program D- Venturi model E- Valve specifications F- Stepper motor calculations G- Pressure transducer and operational amplifier specifications H- Results of pressure transducer calibration I- Flowmeter specification J- Compliance program K- Opto isolator and transistor specifications L- Dimensional analysis M- Scaling for electric analysis N- Authors instructions O- Complete analysis P- Open lop transfer function Q- 9-Pin connectors and stepper motor connectors R- Driver board and quad state specifications S- Complete methematical analysis - electrical circuit T- Power supply. Mock circulatory loops have been design for many years; however, computer controlled circulatory loops are not common. The mock circulatory group described in this paper consists of aortic, arterial, venous, and atrial compliance. The motive for including these elements in separate form instead of lumped form as done in other loops was to produce a loop to function as a perfusion simulator. In doing this, the loop must be able to mimic different situations as seen by the perfusionist during a cardiopulmonary case. The ability to mimic aortic stenosis, coarctation of the aorta, aneurysms, and the effects of different pharmaceuticals on the vascular tree must be present.   Copy/Holding information Location Collection Call No. Status   Walter Schroeder Library Master's Theses AC805 .G734 1996 Available Add Copy to MyList Format: HTMLPlain textDelimited Subject:   Email to:

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