Dynamic thermal/acoustic response for human bone materials at different energy levels: A diagnosis approach

Ashok Kumar Thella, James Rizkalla, Neeraj Rathi, Monika Kakani, Ahdy Helmy, Paul Salama, Maher E. Rizkalla

Research output: Contribution to journalArticle

Abstract

Background The non-invasive diagnostic approaches have gained high attention in recent years, utilizing high technology sensor systems, including infrared, microwave devices, acoustic transducers, etc. The patient safety, high resolution images, and reliability are among the driving forces toward high technology approaches. The thermal and acoustic responses of the materials may reflect the important research parameters such as penetration depth, power consumption, and temperature change used for the practical models of the system. This paper emphasizes the approach for orthopedic application where the bone densities were considered in simulation to designate the type of human bones. Methods Thermal energy pulses were applied in order to study the penetration depth, the maximum temperature change; spatially and dynamically, and the acoustic pressure distribution over the bone thickness. The study was performed to optimize the amount of energy introduced into the materials that generate the temperature value for high resolution beyond the noise level. Results Three different energy pulses were used; 1 J, 3 J and 5 J. The thermal energy applied to the four bone materials, cancellous bone, cortical bone, red bone marrow, and yellow bone marrow were producing relative changes in temperature. The maximum change ranges from 0.5 K to 2 K for the applied pulses. The acoustic pressure also ranges from 210 to 220 dB among the various types of bones. Conclusion The results obtained from simulation suggest that a practical model utilizing infra-red scanning probe and piezoelectric devices may serve for the orthopedic diagnostic approach. The simulations for multiple layers such as skin interfaced with bone will be reserved for future considerations.

Original languageEnglish (US)
Pages (from-to)85-90
Number of pages6
JournalJournal of Orthopaedics
Volume14
Issue number1
DOIs
StatePublished - Mar 1 2017

Fingerprint

Acoustics
Hot Temperature
Bone and Bones
Bone Marrow
Temperature
Orthopedics
Technology
Pressure
Equipment and Supplies
Patient Safety
Microwaves
Transducers
Bone Density
Noise
Skin
Research

Keywords

  • Diagnosis
  • IR sensor
  • Ortho
  • Piezoelectric

ASJC Scopus subject areas

  • Orthopedics and Sports Medicine

Cite this

Dynamic thermal/acoustic response for human bone materials at different energy levels : A diagnosis approach. / Thella, Ashok Kumar; Rizkalla, James; Rathi, Neeraj; Kakani, Monika; Helmy, Ahdy; Salama, Paul; Rizkalla, Maher E.

In: Journal of Orthopaedics, Vol. 14, No. 1, 01.03.2017, p. 85-90.

Research output: Contribution to journalArticle

Thella, Ashok Kumar ; Rizkalla, James ; Rathi, Neeraj ; Kakani, Monika ; Helmy, Ahdy ; Salama, Paul ; Rizkalla, Maher E. / Dynamic thermal/acoustic response for human bone materials at different energy levels : A diagnosis approach. In: Journal of Orthopaedics. 2017 ; Vol. 14, No. 1. pp. 85-90.
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