High-resolution interferometric imaging of stress propagation in pediatric and adult skulls

Michelle D. Conerty; James Castracane; Lawrence P. Clow Jr.; Peter J. Koltai; Jason Mouzakes

doi:10.1117/12.275034

22 May 1997 High-resolution interferometric imaging of stress propagation in pediatric and adult skulls

Michelle D. Conerty, James Castracane, Lawrence P. Clow Jr., Peter J. Koltai, Jason Mouzakes

Proceedings Volume 2970, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VII; (1997) https://doi.org/10.1117/12.275034
Event: BiOS '97, Part of Photonics West, 1997, San Jose, CA, United States

Abstract

Variations based on bone growth and development make stress and fracture propagation differ greatly in pediatric skulls as compared to adult skulls. Differentiating the stress propagation between the pediatric and adult skulls can improve diagnostic prediction when presented with direct frontal impact on a pediatric skull, a fairly common occurrence in the clinical environment. Critical diagnostic information can be learned from an in depth study of stress propagation as a function of impact force at critical locations on the periorbital region of the human skull. The Division of Pediatric Otolaryngology at Albany Medical College and InterScience, Inc. are utilizing electronic speckle pattern interferometry detection (ESPI) and high resolution imaging to evaluate and compare stress propagation in pediatric and adult skulls. A dual detection ESPI system was developed which integrates a medium resolution (2/3') CCD capable of real-time image processing, with a high resolution, megapixel detector capable of limited real time acquisition and image processing in software. Options to allow for high speed detection include integrating a custom, high performance image intensifier with the megapixel detector leg to be used as a high speed gate. The dual optical layout will allow for continuous and pulsed ESPI evaluation of calibrated impacts at specific landmarks on the skull. The goal of this work is to produce a full quantitative analysis of the stress propagation in pediatric versus adult skulls for a better understanding of bone dynamics. The work presented below concentrates on the development of the dual detection ESPI system and initial results achieved with an adult cadaver skull.

Citation Download Citation

Michelle D. Conerty, James Castracane, Lawrence P. Clow Jr., Peter J. Koltai, and Jason Mouzakes "High-resolution interferometric imaging of stress propagation in pediatric and adult skulls", Proc. SPIE 2970, Lasers in Surgery: Advanced Characterization, Therapeutics, and Systems VII, (22 May 1997); https://doi.org/10.1117/12.275034

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KEYWORDS

Skull

Interferometry

Image resolution

Sensors

Charge-coupled devices

Image processing

Video

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