Ultrasound monitoring of stress relaxation during laser cartilage reshaping: preliminary investigations

Nicholas Carbone; Dmitry Protsenko; Joshua Slater; Brian Jet-Fei Wong M.D.

doi:10.1117/12.611159

25 April 2005 Ultrasound monitoring of stress relaxation during laser cartilage reshaping: preliminary investigations

Nicholas Carbone, Dmitry Protsenko, Joshua Slater, Brian Jet-Fei Wong M.D.

Proceedings Volume 5686, Photonic Therapeutics and Diagnostics; (2005) https://doi.org/10.1117/12.611159
Event: SPIE BiOS, 2005, San Jose, CA, United States

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.

Citation Download Citation

Nicholas Carbone, Dmitry Protsenko, Joshua Slater, and Brian Jet-Fei Wong M.D. "Ultrasound monitoring of stress relaxation during laser cartilage reshaping: preliminary investigations", Proc. SPIE 5686, Photonic Therapeutics and Diagnostics, (25 April 2005); https://doi.org/10.1117/12.611159

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