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IEET > Rights > Disability > Life > Enablement > Innovation > Health > Staff > Kyle Munkittrick

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Form Follows Function: Prosthetics and Artificial Organs that Break the Human Mold


Kyle Munkittrick
By Kyle Munkittrick
Science Not Fiction

Posted: Jun 21, 2011

As we are exposed to more and more prosthetics that get the job done instead of acting as awkward disguises, the more our brains flex and flow around the idea of what a human looks like.

Designers of prosthetics and artificial organs have for a long time tried to replicate the human body. From the earliest peg legs to some of the most modern robotic limbs, the prosthetic we make looks like the body part that needs replacing.

Lose a hand? Dean Kamen’s DEKA arm, aka the “Luke arm,” is a robotic prosthesis that will let you grasp an egg or open a beer. The Luke arm is a cutting edge piece of technology based on a backward idea – let’s replace the thing that went missing by replicating it with metal and motors. Whether it’s an artificial leg or a glass eye, prostheses often seek to reproduce not only the function of the body part, but the form and feel as well.
runner
There are good reasons to want to reproduce form and feel along with function. The first reason is that our original bits and pieces work quite well. The human body as a whole is a natural marvel, let alone the immense complexity and dexterity of our hands, eyes, hearts, and legs. No need to reinvent the wheel, just replicate the natural model you’ve been given.

The second, less obvious reason, is that we as a society have been and remain deeply uncomfortable with amputees and prosthetics. Many people don’t know what to do when faced with an artificial arm or leg. I wish it were different, but it largely isn’t. So prostheses are designed to look like whatever it is they replicate to hide the fact that the arm or leg or eye isn’t biological.

That methodology is being challenged by a few recent innovations: Össur’s now famous Cheetah blades, Kaylene Kau‘s tentacle arm, and the artificial heart with no heartbeat.

These new prostheses and artificial organs are a result of approaching the problem by asking “What does this piece allow us to do?” not “How do we build an artificial one?” The implications for how humans will view themselves in the coming decades are monumental.

There are three major ways in which non-standard prosthetics and artificial organs will change the way we come to understand the human form…

READ THE REST


Kyle Munkittrick, IEET Program Director: Envisioning the Future, is a recent graduate of New York University, where he received his Master's in bioethics and critical theory.
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