Figure 1 | Scientific Reports

Figure 1

From: Non-invasive detection of severe neutropenia in chemotherapy patients by optical imaging of nailfold microcirculation

Figure 1

Clinical prototype. (a) 3D model of the custom-made portable prototype employed to record microscopy videos of the microcirculation in nailfold capillaries of patients, with its different components. (b) Patients place their ring finger in a 3D-printed holder, which plays a dual role: achieving stability throughout the one-minute recording duration and holding the oil employed for optical coupling. (c) The finger is placed so that illumination and imaging is directed at the nailfold area (dashed purple line).

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