A piezoelectric vibration-based syringe for reducing insertion force

Y. C. Huang, M. C. Tsai, C. H. Lin

Research output: Contribution to journalConference articlepeer-review

14 Citations (Scopus)

Abstract

Puncturing of the human skin with a needle is perhaps the most common invasive medical procedure. Clinical studies have revealed that tissue deformation and needle deflection are the primary problem for needle misplacement in percutaneous procedures. To avoid this, various techniques for reducing insertion forces during needle insertion have been considered. This paper presents a piezoelectric vibration-based syringe to reduce insertion force. AC power was applied to the piezoelectric elements to vibrate the needle with high frequency and thereby reduce the friction and cutting forces between the needle and tissue. Vibration mode shapes of the needle were observed by finite element analysis and verified by experimental results. Effects of reducing insertion force via the vibrating needle were also confirmed by inserting the needle into the porcine tissues. The proposed syringe, which minimizes the insertion force and overcomes limitations of needle materials, can be widely utilized in robot-assisted needle insertion systems.

Original languageEnglish
Article number012020
JournalIOP Conference Series: Materials Science and Engineering
Volume42
Issue number1
DOIs
Publication statusPublished - 2012
EventInternational Symposium on Ultrasound in the Control of Industrial Processes, UCIP 2012 - Madrid, Spain
Duration: 2012 Apr 182012 Apr 20

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

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