Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
7133417 | Sensors and Actuators A: Physical | 2018 | 7 Pages |
Abstract
This paper presents a solution to implement neutral argon plasma (NAP) in minimally invasive medical devices for therapeutic endoscopy. The NAP system is composed of compressed inert gas (argon), two electrodes, and a high-voltage source to ionise the argon. The miniaturisation of an argon reservoir is required. Finite-element method simulations of small reservoirs of an aluminium alloy with thicknesses of 0.2, 0.4, and 0.6â¯mm at a pressure of 7â¯atm were performed. The numerical results show total deformation of 108â¯Î¼m, stress of 160â¯MPa, and a safety factor of 1.8 for the thinnest argon reservoir, resulting in a component with no permanent deformation. A small reservoir was formed via vacuum-assisted microcasting. The prototype exhibited a small and thin-walled argon reservoir.
Keywords
Related Topics
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Electrochemistry
Authors
J.A. Rodrigues, M.F. Silva, H. Puga, J.H. Correia,