Collateral damage-free debridement using 193nm ArF laser

James J. Wynne; Jerome M. Felsenstein; Robert Trzcinski; Donna Zupanski-Nielsen; Daniel P. Connors

doi:10.1117/12.876957

17 February 2011 Collateral damage-free debridement using 193nm ArF laser

James J. Wynne, Jerome M. Felsenstein, Robert Trzcinski, Donna Zupanski-Nielsen, Daniel P. Connors

Proceedings Volume 7883, Photonic Therapeutics and Diagnostics VII; 78830C (2011) https://doi.org/10.1117/12.876957
Event: SPIE BiOS, 2011, San Francisco, California, United States

Abstract

Burn eschar and other necrotic areas of the skin and soft tissue are anhydrous compared to the underlying viable tissue. A 193 nm ArF excimer laser, emitting electromagnetic radiation at 6.4 eV at fluence exceeding the ablation threshold, will debride such necrotic areas. Because such radiation is strongly absorbed by aqueous chloride ions through the nonthermal process of electron photodetachment, debridement will cease when hydrated (with chloride ions) viable tissue is exposed, avoiding collateral damage to this tissue. Such tissue will be sterile and ready for further treatment, such as a wound dressing and/or a skin graft.

Citation Download Citation

James J. Wynne, Jerome M. Felsenstein, Robert Trzcinski, Donna Zupanski-Nielsen, and Daniel P. Connors "Collateral damage-free debridement using 193nm ArF laser", Proc. SPIE 7883, Photonic Therapeutics and Diagnostics VII, 78830C (17 February 2011); https://doi.org/10.1117/12.876957

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