For the first time, scientists enabled an amputee to feel temperature via his prosthetic hand, crossing what the researchers say is one of the final hurdles in being able to imbue prosthetics with the full spectrum of senses available in a human limb.
In one experiment, for instance, Fabrizio successfully distinguished between visually identical bottles of water that ranged from 104 degrees Fahrenheit to 68 F . He correctly distinguished the temperatures every time he used the new device, compared with 33% of the time when it was switched off. The researchers behind the new device described their findings in a paper published Friday in the journal Med. They say the invention both serves a helpful function and could make amputees' lives more enjoyable.
Over the years, advances in technology have improved the touch-sensing ability of prosthetic limbs. However, temperature perception has been challenging to replicate artificially. The"beauty" of the device, Micera said, is that you don't need to change an amputee's prosthetic limb. Theoretically, it could be integrated into any commercial prosthesis without requiring surgery to install it. The device is also battery-powered so it doesn't need to be plugged in, making it more readily wearable.
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