This is the best summary I could come up with:

The technology fuses the bionic arm to the user’s skeleton, while also connecting it with the nervous system using electrodes that are implanted in nerves and muscles.

This transformation in Karin’s life is a result of a unique technique which essentially fuses the user’s skeleton to the bionic arm using osseointegration - where an implant is accepted by the bone as part of it, rather than as some foreign object.

A team of engineers and surgeons led by Catalan developed the human-machine interface, which also enables electrical connection with the user’s nervous system by using electrodes implanted in certain nerves and muscles.

“Karin was the first person with below-elbow amputation who received this new concept of a highly integrated bionic hand that can be used independently and reliably in daily life,” explained Catalan.

“The fact that she has been able to use her prosthesis comfortably and effectively in daily activities for years is a promising testament to the potential life-changing capabilities of this novel technology for individuals facing limb loss”.

Catalan added that the “integrated surgical and engineering approach” also helped to reduce Karin’s level of pain, as she is now using many of the same neural resources to control the prosthetic that she did with her biological arm.

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