Karin, whose full name is not disclosed in the proof of concept study published Wednesday in the medical journal Science Robot, had been using a regular prosthetic hand for years, but it was hard to control. And as with even the most technologically advanced prosthetics on the market, it was uncomfortable and sometimes even painful to use. On top of that, the Swedish 50-year-old, who lost her hand in a farming accident, had been living with excruciating phantom limb pain for more than 20 years.
Although some other kinds of implants require external equipment, the bionic hand is completely self-contained. Surgeons embedded a controller, a wrist-shaped battery unit and a mechatronic coupler – a device used to transmit power – that connects to the neuromusculoskeletal interface, so she doesn’t need any additional equipment like a large battery or processing unit.
Doctors then plant an electrode in that muscle, which works as a biological amplifier, boosting the electric signal from the brain into the hand, where AI algorithms inside the prosthesis interpret the signal and allow her to move the bionic hand. Because the nerves are engaged in this process, Karin also has a limited sense of touch through the bionic hand.
Ortiz Catalan said this procedure in part developed out of his graduate school thesis, and he was thrilled to see that it can work.Now he hopes to refine the technology and make it more accessible. He’s currently in Ukraine, where, he said, there are many more people who could benefit from a bionic hand.
“I think what the article shows is pretty much in the scope, is absolutely great to have this implantable device in the hand that can control it and can perform what we call the pinching movement, one of the most important functions of the human hand,” Gonzalez-Martinez said.“This is a very, very simple movement that allows us to grab stuff, but it does not give us sensory feedback,” Gonzalez-Martinez said.
A Canadian citizen living in Israel, who had deep ties to Ottawa, was killed by Hamas, the Ottawa Jewish Federation said Wednesday on behalf of the family of Adi Vital-Kaploun.The Canadian government will begin airlifting citizens and their families out of Israel by Thursday or Friday, while pledging no stone will go unturned as officials continue to seek confirmation of how many Canadians have been killed or remain missing, while providing new details about plans to send hostage negotiators.
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