Creative Vasu on Instagram: "How vein visualization devices help doctors find veins instantly Finding veins can be difficult, especially in children, elderly patients, or people with darker skin tones. Vein visualization devices solve this by using near-infrared light to detect blood flow beneath the skin. The device projects a real-time map of veins onto the surface, making them clearly visible without touching the skin. This reduces pain, failed needle attempts, and patient anxiety while savin