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Ventricular Assist Device
Oswaldo Horikawa is a mechanical engineer and associate professor at the Escola Politécnica of the University of São Paulo, specializing in mechatronics. His significant research includes the development of an implantable ventricular assist device using magnetic bearing technology. He is also involved in various ongoing projects such as a non-conductive manipulator, robotics for electric power distribution maintenance, and hospital pharmacy automation.
Ventricular Assist Device
- 1. Oswaldo HORIKAWA 1983 MechanicalEngineer Escola Politécnica 1985~87 Master Course Tokyo Inst of Technology Prof. Akira Shimokohbe 1987~91 Doctoral Course Tokyo Inst of Technology Prof. Akira Shimokohbe 1991~92 Research Associate Tokyo Institute of Technology 1992~now Associate Professor Dep. of Mechatronics Engineering Escola Politécnica – Univ. of São Paulo
- 2. Development of implantableVAD Joint project: Escola Politécnica and the Dante Pazzanese Institute of Cardiology Development of an implantable VAD (Ventricular Assist Device One of goals: rotor suspended by magnetic bearing Use of the EPUSP bearing. Simplicity Reliability position sensor electromagnets NS NS magnets x α γ rotor β z y SN SN base Zr controller amplifier Silva and Horikawa, 2000: Proposition of a single axis controlled, attraction type magnetic bearing
- 3. Improvements in theEPUSP bearing stiffness Proposition of various topologies magnets to the computer amplifier rotor sensor demodulator sensing coil A/D – D/A board actuator Most recent topology rotor actuator actuator Propotype / most recent topology
- 4. Prototype of VADusing EPUSP bearing BODY actuator, magnet and sensor magnet (bearing) magnet (bearing) impellers ROTOR magnets (motor) magnet (bearing) VAD prototype: its components COVER VAD prototype: assembled
- 5. Other projects ongoing: •Nonconductor manipulator (for power companies and for rehabilitation) •Robotics in the maintenance of electric power distribution network (national project - ANEEL) •Hospital pharmacy automation (EPUSP – University Hospital – Faculty of Pharmaceutical Sciences)
- 6. Other projects ongoing: •Nonconductor manipulator (for power companies and for rehabilitation) •Robotics in the maintenance of electric power distribution network (national project - ANEEL) •Hospital pharmacy automation (EPUSP – University Hospital – Faculty of Pharmaceutical Sciences)