Researchers at the National University of Singapore have developed a novel aero-elastic pressure sensor, called 'eAir'. This technology can be applied to minimally-invasive surgeries and implantable sensors by directly addressing the challenges associated with existing pressure sensors.
To address these challenges in pressure sensing, the NUS team drew inspiration from a phenomenon known as the 'lotus leaf effect' -- a unique natural phenomenon where water droplets effortlessly roll off the leaf's surface, made possible by its minuscule, water-repelling structures. Mimicking this effect, the team has engineered a pressure sensor designed to significantly improve the sensing performance.
"Conducting surgeries with graspers presents its unique challenges. Precise control and accurate perception of the forces applied are critical, but traditional tools can sometimes fall short, making surgeons rely heavily on experience, and even intuition. The introduction of soft and readily integrable eAir sensors, however, could be a game-changer," said Assoc Prof Tee, who is also from the NUS Department of Materials Science and Engineering.
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