Image-guided plasma therapy of cutaneous wound

Zhiwu Zhang; Wenqi Ren; Zelin Yu; Shiwu Zhang; Ting Yue; Ronald Xu

doi:10.1117/12.2041092

27 February 2014 Image-guided plasma therapy of cutaneous wound

Zhiwu Zhang, Wenqi Ren, Zelin Yu, Shiwu Zhang, Ting Yue, Ronald Xu

Proceedings Volume 8935, Advanced Biomedical and Clinical Diagnostic Systems XII; 89350I (2014) https://doi.org/10.1117/12.2041092
Event: SPIE BiOS, 2014, San Francisco, California, United States

Abstract

The wound healing process involves the reparative phases of inflammation, proliferation, and remodeling. Interrupting any of these phases may result in chronically unhealed wounds, amputation, or even patient death. Despite the clinical significance in chronic wound management, no effective methods have been developed for quantitative image-guided treatment. We integrated a multimodal imaging system with a cold atmospheric plasma probe for image-guided treatment of chronic wound. Multimodal imaging system offers a non-invasive, painless, simultaneous and quantitative assessment of cutaneous wound healing. Cold atmospheric plasma accelerates the wound healing process through many mechanisms including decontamination, coagulation and stimulation of the wound healing. The therapeutic effect of cold atmospheric plasma is studied in vivo under the guidance of a multimodal imaging system. Cutaneous wounds are created on the dorsal skin of the nude mice. During the healing process, the sample wound is treated by cold atmospheric plasma at different controlled dosage, while the control wound is healed naturally. The multimodal imaging system integrating a multispectral imaging module and a laser speckle imaging module is used to collect the information of cutaneous tissue oxygenation (i.e. oxygen saturation, StO₂) and blood perfusion simultaneously to assess and guide the plasma therapy. Our preliminary tests show that cold atmospheric plasma in combination with multimodal imaging guidance has the potential to facilitate the healing of chronic wounds.

Citation Download Citation

Zhiwu Zhang, Wenqi Ren, Zelin Yu, Shiwu Zhang, Ting Yue, and Ronald Xu "Image-guided plasma therapy of cutaneous wound", Proc. SPIE 8935, Advanced Biomedical and Clinical Diagnostic Systems XII, 89350I (27 February 2014); https://doi.org/10.1117/12.2041092

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KEYWORDS

Wound healing

Plasma

Atmospheric plasma

Blood

Imaging systems

Multimodal imaging

Tissues

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