Development of 3-dimension controllable catheter to show the immediate response using both the thermoelectric module and the shape memory alloy (SMA)

Cheol Woong Kim, Dong Joon Oh, Sang Heon Lee, Joon Ho Wang, Ki Weon Kang

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Today, the highlighted actuators such a Shape Memory Alloy (hereafter, it is called SMA), will change greatly the next medical device market since their energy integration, lightness and simple structure are superior to those of the conventional electromechanical actuator. Especially, the reason why the SMA actuator system becomes the most important technique for the medical device market of the next generation is that the minimally invasive technique can be applied to the in-vivo lesion due to the superior flexibility of SMA actuator system such a hand. In spite of this advantage, the current SMA actuator is not widespread. The reason is that the non-linear dynamic characteristics of the SMA original hysteresis have not yet been solved. Therefore, to evaluate the thermoelectric characteristics of our developed thermoelectric module for our first basic study, we investigated the temperature variation by stage 1) according to the current increase of the consecutive current and 2) according to the countercurrent of the discontinuous static current.

Original languageEnglish
Pages (from-to)1099-1104
Number of pages6
JournalModern Physics Letters B
Volume22
Issue number11
DOIs
Publication statusPublished - 2008 May 10

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shape memory alloys
modules
actuators
lesions
dynamic characteristics
flexibility
hysteresis

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Condensed Matter Physics

Cite this

Development of 3-dimension controllable catheter to show the immediate response using both the thermoelectric module and the shape memory alloy (SMA). / Kim, Cheol Woong; Oh, Dong Joon; Lee, Sang Heon; Wang, Joon Ho; Kang, Ki Weon.

In: Modern Physics Letters B, Vol. 22, No. 11, 10.05.2008, p. 1099-1104.

Research output: Contribution to journalArticle

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