According to the US "Exploration" magazine, scientists at the National University of South Korea have designed a miniature robot like a crab. Only the fingernails are thick, and the mice are driven by the myocardium.
Scientists implanted the myocardial tissue of the mouse onto the skeleton of the tiny robot. When the myocardium contracts, the machine's six horizontally aligned legs will be closed together, and when the heart muscle relaxes, the legs will separate. The resulting driving force allows the robot to move at a speed of 100 microns/second.
Although the robot is not walking very fast, scientists hope that it will be able to remove the obstruction in the blood vessels, which is expected to be helpful to patients with cardiovascular disease.
This robotic skeleton is made of bio-elastic material polydimethylsiloxane (PDMS) and is made into a specific 3D shape. According to the designer, the robot can walk for more than 10 days.
However, scientists say that in order for the robot to travel in the blood, it will be faster and stronger.
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