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http://dx.doi.org/10.5695/JSSE.2022.55.6.390

The effect of plasma treatment to improve adhesion strength of parylene-C coated medical grade SUS304  

Kim, Dong-Guk (Department of Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Song, Tae-Ha (Department of Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Jeong, Yong-Hoon (Department of Medical Device Development Center, Osong Medical Innovation Foundation (KBIO Health))
Kang, Kwan-Su (Department of Medical Device Development Center, Osong Medical Innovation Foundation (KBIO Health))
Yoon, Deok-kyu (Department of Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Kim, Min-Uk (Department of Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Woo, Young-Jae (Department of Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Seo, Yo-Han (New Drug Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Kim, Kyung-Ah (Department of Biomedical Engineering, School of Medicine, Chungbuk National University)
Roh, Ji-hyoung (Department of Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (K MEDI hub))
Publication Information
Journal of the Korean institute of surface engineering / v.55, no.6, 2022 , pp. 390-397 More about this Journal
Abstract
Parylene-C which was mainly used for industries such as electronics, machinery and semiconductors has recently been in the spotlight in the medical field due to its properties such as corrosion resistance and biocompatibility. In this study we intend to derive a plan to improve the bonding strength of Parylene-C coating with the SUS304 base material for medical use which can be applied to various medical fields such as needles, micro needles and in vitro diagnostic device sensors. Through plasma pretreatment the bonding strength between Parylene-C and metal materials was improved. It was confirmed that the coated surface was hydrophobic by measuring the contact angle and the improvement of the surface roughness of the sample manufactured through CNC machining was confirmed by measuring the surface roughness with SEM. Through the above results, it is thought that it will be effective in increasing usability and reducing pain in patients by minimizing friction when inserting medical devices and in contact with skin. In addition it can be applied to various application fields such as human implantable stents and catheters, and is expected to improve the performance and lifespan of medical parts.
Keywords
Parylene-C coating; SUS304; SEM; Contact Angle; coating test;
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