Health
Manufactured electronic skin perceives human-like pain, paving the way for prostheses and robotics
A team at RMIT University in Melbourne, Australia, has created a prototype of electronic artificial skin that can reproduce how human skin perceives pain.
The prototype device is inspired by the near-instantaneous feedback response that human skin cells use to receive and process pain-like stimuli, allowing the device to respond to painful sensations almost as fast as actual skin. will do so.
(Photo by Sean Gallup / Getty Images)
BERLIN, GERMANY-MAY 11: Stand-host developed by UK startup Open Bionics imitating finger movements at CUBE Tech Fair for startups May 11, 2017 in Berlin, Germany Shows a robotic prosthesis arm. The CUBE Tech Fair will feature startup projects across Europe and will take place May 10-12.
Their work has a potentially wide range of applications in prosthetics, robotics, and non-invasive skin graft substitutes, but is published in the journal Advanced intelligent system.. In addition, a provisional patent has already been filed for a new technology, also combining three previous technologies, RMIT University Team..
Relation: Improvement of 3D printed prosthesis and integration of electronic sensor
Electronically duplicate human skin
“The skin is the largest sensory organ in our body, with complex features designed to send a rapid-fire alert signal when something hurts,” said Chief Researcher Madu Bascaran. .. He added that their prototype represents a major advance towards intelligent robots and next-generation biomedical technology. Also, people receive various sensations through the skin, but pain reactions “occur only at certain points in time,” Bhaskaran says.
“So far, there is no electronic technology that can realistically mimic human pain,” he added.
Similarly, electronic artificial skin can react immediately when it receives excessive pressure, heat, cold, or when it reaches a threshold. As published in the journal, electronic artificial skin is made possible by three existing technologies previously worked on by the RMIT University team.
The first is the oxide Silicon substrate compatible with living tissue -Create “sticker-thin” durable and wearable electronics. The second component is a temperature-sensitive coating made from a material that responds to thermal stimuli and is only a few microns thick. Finally, a memory material that mimics the brain of an electronic cell that can preserve long-term memory to hold previously accepted information.
Electronics breakthrough
According to Dr. Md Ataur Rahman, researchers in the study say that when pressure, heat, or painful stimuli reach their threshold, memory cells trigger a reaction. Rahman commented as follows. “In essence, we created the first electronic somatosensory-replicating the key functions of the body’s complex system of neurons, neural pathways, and receptors that drive the perception of sensory stimuli.”
He added that while there are existing techniques for simulating pain using electrical signals, their work responds to and responds to actual mechanical, temperature, and pain inputs. Rahman added that the RMIT University prototype can distinguish between touching and punching pins.
Relation: Research takes a step closer to brain machine interface autonomy
Its ability to simulate pain applies to health, where the ability of the skin to perceive pain is used as a diagnostic tool to assess conditions such as nerve injury and paralysis. Precise receptors can replace damaged real receptors and enhance humans’ ability to respond to certain stimuli. In robotics, it can be used as a human-machine interface improvement, acting as a feedback mechanism or as a new form of HMI.
See the video below on a previous study dealing with artificial skin created by a team at Stanford University.
Check out other news and information Bionic skin Science Times.
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