Robotic Prosthetic Arm Robtic prosthetic arms are vary useful for people that have lost an arm or was born with out one.


Prosthetic: an artificial body part

Revolutionize: to transform something/ to make something better

Manipulate- control

Reinnervated Nerves- Regrowth of nerves

Interdisciplinary- relating to more than one branch of knowledge

Futuristic- looking like from the future

Funding- money payed

Fitted- formed/ fit closely

How is the prosthetic communicating with the person's body?

The prosthetic arms are controlled by when the muscles in the arms contract and release, which creates the movement of the prosthetic arms. Also there is a surgery that is used to reassign nerve endings for the prosthetic to communicate with. This “surgery is called reinnervated nerves” Richard James Redett, III, M.D.. The prosthetic also uses a kind of band that goes around the person's arm. The band can read what the arm is trying to do.

Are people using robotic prosthetics outside the lab where there created?

When robotic prosthetics are created in a lab they may or may not be FDA approved for outside use of the lab. Researchers from John Hopkins APL state, “they are now working towards being able to send Baugh (test subject) home with the limbs so that he can begin to integrate them into his everyday life.” This robotic prosthetic arm may not be FDA approved unlike the Dean Kamen’s version of a prosthetic arm which is FDA approved. Dean Kamen, an engineer and inventor of the FDA approved arm states, “the arm gives users the ability to perform multiple functions at one time, an advance over most available prosthetics.”

What is the typical cost of a robotic prosthetic arm?

The average prosthetic arm could range between $20,000-$100,000 or more. An insurance agency states, “Thought-controlled arms that are surgically implanted and attached to nerves have a cost of $6 million.” Depending if your insurance covers any of the costs in could be up to 6 million or more. Most robotic prosthetic arms are still in testing phases and will most likely not be released to the public for use for a few more years until they have the arm in the best and most affordable state.

Does a prosthetic arm have the same amount of rotation in the joints compared to a natural arm?

A robotic prosthetic arm has the “same amount of rotation mathematically in the wrist, elbow, shoulder, even hyperextension of all joints compared to an average human arm” states Richard F. ff. Weir, Ph.D., Northwestern University Prosthetics Research Laboratory. But there may still be some error of the amount the joints can move because the prosthetic may have some mathematical errors of calculated rotation angles. Although there may be some errors from the mathematical issues, the robotic prosthetic arm can almost rotate the exact amount a human can.

What will the future hold for prosthetic robotic arms?

Bertolt Meyer a person with the future robotic prosthetic arm, the arm is held on by suction on the stump of his arm. Also each one of the fingers can move separately. The arm is only a few pounds and “is vary comfortable compared to the other prosthetic arms.” Meyer goes to a lab for his prosthetic arm maintenance. Also the lab has progressed to be able to rebuild 50% of the body. There is two electronic devices in the prosthetic arm that can detect the muscle movements. One of the electronic devices opens the hand and one closes the hand. “The level of progress in bionics surprised not only him but “even the researchers who had worked on the artificial organs””(Meyer). Even the researchers that have worked on artifical organs are shocked about how much the technology has improved so rapidly. The technology will keep increasing for prosthetics.

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Camryn Noess

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