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Thermally Responsive Structures for Gastric Pacing and Other Applications

[+] Author Affiliations
Naga S. Korivi, Charles Halliburton, Pratul K. Ajmera

Louisiana State University, Baton Rouge, LA

Paper No. BioMed2010-32074, pp. 41-42; 2 pages
  • ASME 2010 5th Frontiers in Biomedical Devices Conference
  • ASME 2010 5th Frontiers in Biomedical Devices Conference and Exhibition
  • Newport Beach, California, USA, September 20–21, 2010
  • Conference Sponsors: Nanotechnology Institute
  • ISBN: 978-0-7918-4945-3
  • Copyright © 2010 by ASME


We report on the development of a polymeric layer consisting of an embedded channel network. The channels are filled with a thermally responsive polymer. The embedded thermally responsive polymer is in solid phase in room ambient, but changes to liquid at physiological body temperature (∼37 °C). This phase change results in the polymer structure changing to a more flexible state. An important application of this polymer layer is its use as a thermally regulated support structure for a gastric pacing electrode, to give some rigidity to the electrode body preferable during implantation surgery, while changing to a more flexible state inside the body as the embedded polymer subsequently melts at physiological temperature. The latter is expected to reduce complications caused by a rigid device.

Copyright © 2010 by ASME



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