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And all that training and calibration requires highly-specialised workers to be able to help you. So it's more than just the cost of the device itself. Even if you could mass-produce them, I imagine they'd still need a lot of tailoring to the individual.

I actually saw someone using a motorised prosthesis for the first time recently, and it was very impressive to watch. I'm optimistic for the future, I just hope everyone who needs such technology can get access to it.

Exactly. I've done some lab work on reading muscle activity signals trough the skin, and the signals from the test subjects were very individual.

The mass produced prostethic limbs with control systems are mostly mechanical and slow, e.g. the users are using the remaning stump of their limb to push buttons on the inside of the casing.

To use neural networks or some other kind of machine learning to map the muscle signals to the wanted movement for the prosthesis would be a really interesting problem to work on.


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