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http://dx.doi.org/10.4313/JKEM.2017.30.10.656

Design and Fabrication of a High Power Piezoelectric Ultrasonic Surgery Unit for Dental Implantation  

Kim, Na Ri (Korea Institute of Ceramic Engineering and Technology)
Jeon, Dae Woo (Korea Institute of Ceramic Engineering and Technology)
Kim, Jin Ho (Korea Institute of Ceramic Engineering and Technology)
Kim, Sun Woog (Korea Institute of Ceramic Engineering and Technology)
Hwang, Jong Hee (Korea Institute of Ceramic Engineering and Technology)
Lee, Jeong Bae (DMETEC CO., LTD)
Choi, Sung Jae (DMETEC CO., LTD)
Im, Dae Jin (DMETEC CO., LTD)
Lee, Young Jin (Korea Institute of Ceramic Engineering and Technology)
Publication Information
Journal of the Korean Institute of Electrical and Electronic Material Engineers / v.30, no.10, 2017 , pp. 656-664 More about this Journal
Abstract
This paper presents the design and fabrication of a high power piezoelectric ultrasonic surgery unit for multi-purpose dental implantation. A conventional piezoelectric ultrasonic surgery units consists of a transducer and a tip. However, the drawback of this simple structure is that the output performance of the transducer considerably changes with the change of the tips. An ultrasonic surgery unit that has an additional booster between the transducer and the tip can solve this problem to some extent; for this, an optimal structural design for the transducer is required. We used the Bolted Langevin Transducer (BLT) as the basic transducer; it consists of piezoelectric ceramics and a metal body. It's structure was optimized using mathematical methods to determine the length and radius of the tail and head masses. Additionally, the booster was also subjected to the same methods. Using these mathematical methods, optimal results in terms of the resonance frequency (24.96 kHz), displacement ($14.27{\mu}m$), and pressure (2.8 MPa), could be obtained. The validity of this proposed surgery unit was confirmed experimentally, exhibiting a cutting force of around 7% higher than that of a conventional surgery unit.
Keywords
Piezoelectric transducer; Ultrasonic surgery; BLT; FEM;
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Times Cited By KSCI : 3  (Citation Analysis)
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