Researchers at Purdue University have designed a new microrobotic manipulator with improved range of motion and self-calibration. This manipulator replaces the fixed cantilever with a microscopic arm that is actuated by piezoelectric muscles. The arm has three degrees of freedom and has integrated s.....
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Electrical Impedance Guides Needle PlacementAn innovative needle design uses electrical impedance to indicate when a lumbar puncture or epidural needle has reached its desired target. Because electrical properties of various biological tissues, bone or fluids differ, measuring their electrical condu.....
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