Journal of the Korean institute of surface engineering (한국표면공학회지)

The Korean Institute of Surface Engineering (한국표면공학회)
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The effect of plasma treatment to improve adhesion strength of parylene-C coated medical grade SUS304

Parylene-C 코팅된 의료용 SUS304 소재의 결합력 향상을 위한 플라즈마 처리 효과

  • 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))
  • 김동국 (대구경북첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 송태하 (대구경북첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 정용훈 (오송첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 강관수 (오송첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 윤덕규 (대구경북첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 김민욱 (대구경북첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 우영재 (대구경북첨단의료산업진흥재단 첨단의료기기개발지원센터) ;
  • 서요한 (대구경북첨단의료산업진흥재단 신약개발지원센터) ;
  • 김경아 (충북대학교 의과대학 의용생체공학과) ;
  • 노지형 (대구경북첨단의료산업진흥재단 첨단의료기기개발지원센터)
  • Received : 2022.11.21
  • Accepted : 2022.12.02
  • Published : 2022.12.31
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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

Acknowledgement

본 연구는 산업통상자원부 및 산업기술평가관리원(KEIT) 연구비(RS-2022-00155736) 지원에 의한 연구임.

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