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Uvula Dynamic Characteristics

[+] Author Affiliations
A. M. Al-Jumaily

Auckland University of Technology, Auckland, New ZealandEPFL, Lausanne, Switzerland

S. Ashaat

Auckland University of Technology, Auckland, New Zealand

B. A. Martin

University of Akron, Akron, OH

R. Heinzer, J. Haba Rubio

CHUV, Lausanne, Switzerland

N. Stergiopulos

EPFL, Lausanne, Switzerland

Paper No. SBC2013-14019, pp. V01AT05A001; 2 pages
doi:10.1115/SBC2013-14019
From:
  • ASME 2013 Summer Bioengineering Conference
  • Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments
  • Sunriver, Oregon, USA, June 26–29, 2013
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5560-7
  • Copyright © 2013 by ASME

abstract

The airway binary fluid layer and the structural characteristics of the upper airways have significant influence on the activity of the airway muscles by changing airway compliance and collapsibility during obstructive sleep apnea trauma. The uvula plays an important role in the collapse process. Using MRI scans, this paper develops a structural model for the uvula and determines its dynamic characteristics in terms of natural frequencies and mode shapes as a preliminary process to determine optimum conditions to therapeutically relieve upper airway obstruction. The effect of the variation of tissue elasticity due to water content is elaborated on.

Copyright © 2013 by ASME

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