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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: IEEE J Biomed Health Inform. 2016 May 26;20(5):1251–1264. doi: 10.1109/JBHI.2016.2573286

Fig. 5.

Fig. 5

Interface between the optical probe and the tissue. The optical probe is the same for both the wristband device and the chest patch. The coating of the liquid insulator, clear epoxy, and 3M Tegaderm is performed manually.