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- IIT Kharagpur along with Tokai University of Japan invents micro needles that can inject the drugs or extract blood painlessly.
- The micro needle is developed on the basis of the principle of suction based pressure.
- Diabetic patients will immensely benefit as they need to undergo pathological examinations very often for diagnosis and management.
- The suction action is provided by the micromechanical pump which works using a piezoelectric actuator attached to the needle.
- The diametre of the needle is as small as 30 micrometre. The device is also attached with a vibrator which helps in making the process painless.
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