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IEEE Spectrum — Robotics · September 7, 2026

This Robot Will Draw Your Blood Now

Biomedical EngineeringRoboticsMedicine
THE AI ANGLE
Automating vein mapping and needle guidance

The FDA has authorized Vitestro’s Aletta, the first autonomous blood-drawing robotic device for non-hospitalized adult settings, which demonstrated a 94.5 percent first-attempt success rate in a 1,600-person clinical trial. Combining robotics, AI, and multimodal imaging, the system is designed to alleviate acute phlebotomist staffing shortages by enabling a single professional to supervise up to three machines. However, clinical researchers emphasize the ongoing need to rigorously validate blood sample quality and verify that optical vein-mapping sensors do not introduce performance disparities across darker skin tones.

THE TEACHING ANGLE
Students can examine the technical and ethical trade-offs of multimodal sensor fusion by analyzing how combining skin-tone-agnostic ultrasound with near-infrared imaging addresses potential optical pigmentation bias in automated clinical procedures.

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