3 March 2009 A non-invasive miniaturized-wireless laser-Doppler fiber optic sensor for understanding distal fingertip injuries in astronauts
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Abstract
During extra-vehicular activities (EVAs) or space walks astronauts over use their fingertips under pressure inside the confined spaces of gloves/space-suite. The repetitive hand motion is a probable cause for discomfort and injuries to the finger-tips. We describe a new wireless fiber-optic probe that can be integrated inside the astronaut glove for non-invasive blood perfusion measurements in distal finger tips. In this preliminary study, we present blood perfusion measurements while performing hand-grip exercises simulating the use of space tools.
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Rafat R. Ansari, Rafat R. Ansari, Jeffrey A. Jones, Jeffrey A. Jones, Luca Pollonini, Luca Pollonini, Mikael Rodriguez, Mikael Rodriguez, Roedolph Opperman, Roedolph Opperman, Jason Hochstein, Jason Hochstein, } "A non-invasive miniaturized-wireless laser-Doppler fiber optic sensor for understanding distal fingertip injuries in astronauts", Proc. SPIE 7186, Optical Diagnostics and Sensing IX, 718609 (3 March 2009); doi: 10.1117/12.809054; https://doi.org/10.1117/12.809054
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