Scientists have created a surgical robot that safely guides itself through the delicate chambers of a beating pig's heart.
Scientists have created aThe surgical robot, whose motion was inspired by the way cockroaches skitter along walls, is able to navigate without any help from a doctor or anyone else, according to a study published Wednesday in the journal Science Robotics.Surgeons routinely push a thin tube called a catheter through a patient’s blood vessels, allowing them to make repairs in the heart without resorting to traditional surgery.
The technology combines the camera's images with machine learning to interpret what tissue it's touching, and how hard it’s touching it.“This robot is trying to walk along the wall of the heart until it gets to the valve,” said, who heads a robotic innovation lab at the University of Pittsburgh Medical Center and wasn't involved in the new study. “That's a pretty exciting development, but this is still very, very preliminary.
Dupont's team tested the robotic catheter in 83 procedures with live pigs in a lab. The device was able to find its target in 79 of the tests, on average taking about eight seconds longer than a doctor threading a catheter into place. But Dupont said the robotic catheter will learn, just like humans, and get better and faster with more practice.“The easiest part of autonomy in surgery is the technology,” he said.
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