Biomedical applications of electroactive polymers and shape memory alloys

Seung Ki Lee, Sang Jo Lee, Ho Jeong An, Seung Eun Cha, Jun Keun Chang, Byungkyu Kim, James Jungho Pak

Research output: Chapter in Book/Report/Conference proceedingConference contribution

12 Citations (Scopus)

Abstract

Among many kinds of polymer materials, electronic conductive material, that is polypyrrole, shows potential possibility for bio-related actuator materials. However, it may be an impediment for practical use of polypyrrole actuator that polypyrrole usually requires electrolyte solution for actuation. Our first research theme is focused on this problem solving. We have investigated many kinds of solid polymer electrolytes for the substitution of electrolyte solution. Our goals are to find the stable solid electrolyte in the air, to establish the reliable fabrication process of it and to apply it for micropump application. Besides actuators, the reduction and oxidation property of polypyrrole can be exploited for active drug delivery systems by the control of structural deformation of it. We have investigated this kind of new and bio-related possibility of polypyrrole. Shape memory alloy has another possibility in biomedical field. Due to its inherent excellent advantages as actuator materials, it can be used for micro active intravascular catheter. We have developed thin tube type bending actuator using shape memory alloy and characterized its performance by in-vivo test.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsY. Bar-Cohen
Pages17-31
Number of pages15
Volume4695
DOIs
Publication statusPublished - 2002
EventSmart Structures and Materials 2002: Electroactive Polymer Actuators and Devices (EAPAD) - San Diego, CA, United States
Duration: 2002 Mar 182002 Mar 21

Other

OtherSmart Structures and Materials 2002: Electroactive Polymer Actuators and Devices (EAPAD)
CountryUnited States
CitySan Diego, CA
Period02/3/1802/3/21

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Keywords

  • Actuator
  • Drug delivery system
  • Functional materials
  • Polypyrrole
  • Shape memory alloy

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Lee, S. K., Lee, S. J., An, H. J., Cha, S. E., Chang, J. K., Kim, B., & Pak, J. J. (2002). Biomedical applications of electroactive polymers and shape memory alloys. In Y. Bar-Cohen (Ed.), Proceedings of SPIE - The International Society for Optical Engineering (Vol. 4695, pp. 17-31) https://doi.org/10.1117/12.475196