Blood flow modulation for laser treatment in human cutaneous skin by pneumatic control

Junsoo Lee; Nitesh Katta; Wangcun Jia; Scott Jenney; J. Stuart Nelson; Thomas E. Milner

doi:10.1117/12.2649629

17 March 2023 Blood flow modulation for laser treatment in human cutaneous skin by pneumatic control

Junsoo Lee, Nitesh Katta, Wangcun Jia, Scott Jenney, J. Stuart Nelson, Thomas E. Milner

Proceedings Volume PC12352, Photonics in Dermatology and Plastic Surgery 2023; PC123520I (2023) https://doi.org/10.1117/12.2649629
Event: SPIE BiOS, 2023, San Francisco, California, United States

Abstract

Pneumatic control devices were constructed to apply negative pressure on targeted human skin areas to increase or decrease blood flow for improving laser therapy. The effect of pneumatic control on blood flow in a cutaneous skin region was evaluated using optical coherence tomography-angiography (OCT-A). Dynamic changes in blood flow under the application of negative pressure to the dorsal hand and forearm skin were confirmed in acquired OCT-A images. We also observed the device size-dependent difference in blood flow change. Results suggest the feasibility of bi-directional blood flow control using a pneumatic control device.

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Junsoo Lee, Nitesh Katta, Wangcun Jia, Scott Jenney, J. Stuart Nelson, and Thomas E. Milner "Blood flow modulation for laser treatment in human cutaneous skin by pneumatic control", Proc. SPIE PC12352, Photonics in Dermatology and Plastic Surgery 2023, PC123520I (17 March 2023); https://doi.org/10.1117/12.2649629

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KEYWORDS

Blood circulation

Laser therapeutics

Skin

Modulation

Control systems

Absorption

Coherence (optics)

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