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Proceedings Paper

Ultrasound monitoring of stress relaxation during laser cartilage reshaping: preliminary investigations
Author(s): Nicholas Carbone; Dmitry Protsenko; Joshua Slater; Brian Jet-Fei Wong M.D.
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Paper Abstract

We used 5.0 MHz ultrasonic pulses to monitor stress relaxation in Nd:YAG (λ = 1.32 μm) laser irradiated porcine nasal septal cartilage. Cartilage is irradiated in both uniaxial compression and curved deformation. A thin beam load cell and IR thermocouple measure strain (Vpp) and temperature (°C), respectively. We show that the propagation speed of the ultrasonic pulse is indicative of permanent stress relaxation in porcine nasal septal cartilage.

Paper Details

Date Published: 25 April 2005
PDF: 5 pages
Proc. SPIE 5686, Photonic Therapeutics and Diagnostics, (25 April 2005); doi: 10.1117/12.611159
Show Author Affiliations
Nicholas Carbone, Harvey Mudd College (United States)
Beckman Laser Institute and Medical Clinic, Univ. of California/Irvine (United States)
Dmitry Protsenko, Beckman Laser Institute and Medical Clinic, Univ. of California/Irvine (United States)
Joshua Slater, Harvey Mudd College (United States)
Beckman Laser Institute and Medical Clinic, Univ. of California/Irvine (United States)
Brian Jet-Fei Wong M.D., Beckman Laser Institute and Medical Clinic, Univ. of California/Irvine (United States)


Published in SPIE Proceedings Vol. 5686:
Photonic Therapeutics and Diagnostics
Brian Jet-Fei Wong M.D.; Eugene A. Trowers M.D.; Kenton W. Gregory M.D.; Abraham Katzir; Nikiforos Kollias; Reza S. Malek M.D.; Henry Hirschberg M.D.; Kenneth Eugene Bartels D.V.M.; Steen J. Madsen; Lloyd P. Tate V.D.M.; Lawrence S. Bass M.D.; Werner T. W. de Riese; Karen M. McNally-Heintzelman, Editor(s)

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