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	Piezoelectrically actuated array microjet for biomedical purpose
	Xu Qiang ; Zhou Zhaoying ; Zhu Junhua ; Feng Yanying ; Lin Dong ; Du Guibin
	2010-05-10 ; 2010-05-10
关键词	Practical Theoretical or Mathematical Experimental/ biomedical transducers finite element analysis microfluidics micromachining patient treatment piezoelectric transducers/ piezoelectrically actuated array microjet biomedical purpose micromachining inhalation drug therapy drug microencapsulation piezoelectric transducer silicon chip micronozzles finite elements method/ A8780 Biophysical instrumentation and techniques A8760B Sonic and ultrasonic radiation (medical uses) A8770G Patient care and treatment B7510H Sonic and ultrasonic radiation (biomedical imaging/measurement) B7810C Sonic and ultrasonic transducers B2860A Piezoelectric devices B2575D Design and modelling of micromechanical devices B2575F Fabrication of micromechanical devices
中文摘要	This paper presents a micromachining-based piezoelectrically actuated array microjet for biomedical purposes such as inhalation drug therapy (IDT) and drug microencapsulation. The microjet consists of a reservoir and a fluid chamber, which is formed by a piezoelectric transducer bonded to a silicon chip with numerous micro nozzles. Inside the fluid chamber, a continuous pressure wave generated by the piezoelectric transducer propagates towards the silicon chip and squeezes the liquid out through the nozzles. The pressure wave in fluid chamber is numerically simulated using finite elements method to give a reference for nozzles arrangement. Diameter and velocity measurements of droplets, temperature estimations on working device and a preliminary animal experiment of IDT are done to characterize the microjet. As a result, the microjet could be a promising tool in biomedicine field.
语种	英语 ; 英语
出版者	CSIR ; India
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/25016]
专题	清华大学
推荐引用方式 GB/T 7714	Xu Qiang,Zhou Zhaoying,Zhu Junhua,et al. Piezoelectrically actuated array microjet for biomedical purpose[J],2010, 2010.
APA	Xu Qiang,Zhou Zhaoying,Zhu Junhua,Feng Yanying,Lin Dong,&Du Guibin.(2010).Piezoelectrically actuated array microjet for biomedical purpose..
MLA	Xu Qiang,et al."Piezoelectrically actuated array microjet for biomedical purpose".(2010).

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