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http://dx.doi.org/10.3795/KSME-B.2016.40.10.681

Experiments of Micro Jet Injection for Bio-Medical Application  

Ham, Young-Bog (Plant System and Machinery, Univ. of Science and Technology)
An, Byeung-Cheol (Plant System and Machinery, Univ. of Science and Technology)
Trimzi, Mojiz Abbas (Plant System and Machinery, Univ. of Science and Technology)
Kim, Jong-Dae (Extreme Mechanical Engineering Research Division, Korea Institute of Machinery and Materials)
Lee, Gi-Tae (Extreme Mechanical Engineering Research Division, Korea Institute of Machinery and Materials)
park, Jung-Ho (Plant System and Machinery, Univ. of Science and Technology)
Yun, So-Nam (Plant System and Machinery, Univ. of Science and Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.40, no.10, 2016 , pp. 681-687 More about this Journal
Abstract
It is essential for micro jet injectors in the biomedical sector to operate under high pressure. High pressure injection, however, is accompanied by high volumes. On/Off valves that can be operated at high speeds have been used to address this problem. In this research, piezoelectric actuators which have a response frequency of the order of hundreds of kilohertz were used as the On/Off valve and experiments were applied. Researchers developed a controller to precisely manipulate the piezoelectric valve with various waveforms. They also fabricated five types of nozzles to consider the effect of nozzle type on injection. This allowed researchers to manipulate and confirm factors that can affect the injection volume and force. Results of this experiment have shown how to decrease the injection volume and increase the injection force. and it is predicted that the optimized injection volume and force value can be determined depending on the skin type.
Keywords
Water Hydraulic; Jet Injection; Piezoelectric Actuator;
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