Proceedings ArticleDOI
Characterization of valveless micropump for drug delivery by using piezoelectric effect
S. Takalkar Atul,Lenin Babu Mailan Chinnapandi +1 more
- pp 2138-2144
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TLDR
Design of nozzle/diffuser and the use of piezoelectric effect for the actuation of diaphragm of valve-less micro pump which has application in medical field for drug delivery and the comparison between analytical and numerical results is done which helps in predicting the flow rate and actual working of micro pump.Abstract:
This paper deals with design of nozzle/diffuser and the use of piezoelectric effect for the actuation of diaphragm of valve-less micro pump which has application in medical field for drug delivery. A three dimensional FE model of nozzle/diffuser and actuator is used for numerical simulation. Fluid flow analysis of nozzle/diffuser is performed to calculate their efficiency and frequency. The simulation is performed for variable converging and diverging angle by varying their length and width to calculate steady flow rate. Analysis of actuator unit is also carried out by using the COMSOL multi-physic software. The simulation of actuator unit depends on mechanical properties of material such as Young's modulus, Poisson's ratio. The numerical result used to predict the actual behavior of actuator unit for higher frequency range which helps in proper selection of material. The comparison between analytical and numerical results is done which helps in predicting the flow rate and actual working of micro pump.read more
Citations
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Journal ArticleDOI
Design and Flow Analysis of MEMS based Piezo-electric Micro Pump
Jasti Sateesh,Jasti Sateesh,K. Girija Sravani,K. Girija Sravani,R. Akshay Kumar,Koushik Guha,K. Srinivasa Rao +6 more
TL;DR: In this article, the authors presented theoretical, design and simulated analysis of piezoelectrically actuated micropump constructed using PZT-5H material, quartz channel, and a PDMS membrane.
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A Novel Artificial Pancreas: Energy Efficient Valveless Piezoelectric Actuated Closed-Loop Insulin Pump for T1DM
TL;DR: In this article, an energy-efficient, valveless piezoelectric pump is designed and simulated with different types of controllers and glucose-insulin models to keep the blood glucose level of Type 1 diabetes mellitus patients in the desired range.
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Design and analysis of MEMS based piezoelectric micro pump integrated with micro needle
K. Srinivasa Rao,Jasti Sateesh,Koushik Guha,Krishna Lal Baishnab,Praveen C. Ashok,K. Girija Sravani,K. Girija Sravani +6 more
TL;DR: In this paper, the authors presented the design and simulation of piezoelectric micro pump integrated with micro needle, which achieved high pumping rates at low applied voltages making the proposed model significantly important for Transdermal controlled drug delivery applications.
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Three-Dimensional Printed Piezoelectric Array for Improving Acoustic Field and Spatial Resolution in Medical Ultrasonic Imaging
Zeyu Chen,Xuejun Qian,Xuan Song,Qiangguo Jiang,Huang Rongji,Yang Yang,Runze Li,K. Kirk Shung,Yong Chen,Qifa Zhou +9 more
TL;DR: An annular piezoelectric array consisting of different concentric elements printed by Mask-Image-Projection-based Stereolithography (MIP-SL) technology successfully modifies the acoustic beam and significantly improves spatial resolution.
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A novel micropump design: Investigation of the voltage effect on the net flow rate
TL;DR: In this paper, a low cost piezoelectric micropump was designed and fabricated to supply fluid flow rate in micro-sizes and for use in medical purposes.
References
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Advances in Computing, Communications and Informatics (ICACCI)
Sabu M. Thampi,Michal Wozniak,Oge Marques,Dilip Krishnaswamy,Christian Callegari,Hideyuki Takagi,Zoran Bojkovic,Neeli R. Prasad,Jose M. Alcaraz Calero,Joel J. P. C. Rodrigues,Natarajan Meghanathan,Ravi Sandhu +11 more
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MEMS-based micropumps in drug delivery and biomedical applications
TL;DR: There is still a need to incorporate various categories of micropumps in practical drug delivery and biomedical devices and this will continue to provide a substantial stimulus for micropump research and development in future.
Journal ArticleDOI
A valve-less planar fluid pump with two pump chambers
TL;DR: A new planar fluid pump based on the valve-less diffuser/nozzle pump principle is presented, which shows pump flows and pump pressures which are more than twice as high as those of the in-phase oscillation mode.
Journal ArticleDOI
A Valve-Less Diffuser Micropump for Microfluidic Analytical Systems
TL;DR: The results show that the valve-less micropump successfully pumps fluids within the viscosity range 0.001–0.9 Ns/m2 and is self-priming and insensitive to particles and bubbles present in the pumped media.
Journal ArticleDOI
A PMMA valveless micropump using electromagnetic actuation
TL;DR: In this paper, a polymethylmethacrylate (PMMA) valveless micropump with a polydimethylsiloxane (PDMS) membrane with an integrated composite magnet made of NdFeB magnetic powder is presented.
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