Images from the inside of blood vessels

Smallest 3D printed miniature endoscope in the world detects cholesterol plaques and thrombs inside human and mouse arteries

3D printed miniature endoscope optics inside a blood vessel.
Photo: Florian Sterl, Sterltech Optics

The 3D-printed endoscope, consisting of a transparent glass fibre, a guiding tube for fiber rotation (black) and a transparent sheath for protection, has an overall diameter of less than 0.5 mm. Photo: Universität Stuttgart/ PI 4

Plaques and cholesterol crystals can be detected early

Left: Endoscopic OCT imaging in a severely diseased human carotid artery. Cross-sectional endoscopic OCT image. Right: Masson’s trichrome staining of adjacent sections; blue arrows indicate thrombus that appears to contain fibrin, platelets, and cellular debris. Photo: University of Stuttgart/ PI 4

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