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Hand

Team member Filomena Simone with the prototype hand (Photo: Oliver Dietze)

Whether they're on robots or amputees, artificial hands tend to be rather complex mechanisms, incorporating numerous motor-driven cables. Engineers from Germany's Saarland University, however, have taken a different approach with their hand. It moves its fingers via shape-memory nickel-titanium alloy wires, bundled together to perform intricate tasks by working like natural muscle fibers.  Read More

The 'bionic reconstruction' procedure involves reading electrical activity from transplant...

Researchers from the Medical University of Vienna have developed a technique that allows amputees to control a robotic prosthesis with their mind when there's no neural connection left to exploit between the brain and the part of the hand that remains. Called "bionic reconstruction," the procedure was applied to three patients who were able to successfully use the prosthesis to undertake routine activities, thereby improving their quality of life.  Read More

A US$270 programmable, 3D-printed electromyographic prosthetic hand may soon change the li...

A PhD candidate and six undergraduate students at the University of Illinois at Urbana-Champaign (UCIC) have created a low-cost, programmable, 3D-printed prosthetic hand that may soon change the lives of amputees in Ecuador. The hand costs just US$270 to manufacture, making it a small fraction of the cost of a typical prosthetic of this type.  Read More

Researchers have developed a new prosthetic system that allows amputees to feel familiar s...

A new prosthetic system allows amputees to feel familiar sensations and also, somewhat unexpectedly, reduces their phantom pain. Researchers at Case Western Reserve University and the Louis Stokes Cleveland Veterans Affairs Medical Center developed the system to reactivate areas of the brain that produce the sense of touch, but recipients of prosthetic hands reported their phantom pain subsiding almost completely after being hooked up to the system.  Read More

Gizmag gives TMR Designs' Imprint Grips a try

Whether you're pounding over rocks and roots or flying down a steep descent, you definitely don't want your hands to be slipping off your mountain bike's handlebar grips. With that in mind, UK-based TMR Designs recently set about designing grips that could be custom-molded to the size and shape of an individual rider's hands. After a successful Kickstarter campaign, the resulting Imprint Bicycle Grips are now in production. I got my hands on a pair – literally – to find out if they really make a difference.  Read More

Faye Wu uses the supernumerary robotic fingers

Earlier this month, we heard about an MIT project in which test subjects were equipped with an extra set of robotic arms in order to help them perform tasks. While the technology is certainly intriguing, some people might find the concept of a four-armed cyborg to be a little ... much. If you're one of those people, then you might be more comfortable with another ongoing MIT project. It's just aimed at giving people two extra robotic fingers.  Read More

Touch Bionics has given its i-limb Ultra Revolution a number improvements to its grip func...

Touch Bionics has unveiled the latest enhancements to its i-limb Ultra Revolution at OTWorld 2014 International Congress. Users can now set and assign different grips for different objects and configure the prosthetic hand via Android apps.  Read More

Electrical contacts located in the fingertips deliver short electrical pulses, stimulating...

While we can counter the deterioration of sight and hearing with glasses and hearing aids, few tools exist for combating a degenerating sense of touch. A common ailment among stroke patients and the aging, treating diminishing tactile perception has proven a complicated task. Looking to provide a wearable solution unimposing enough for everyday use, a research team from Germany's Ruhr University Bochum (RUB) is developing a stimulation glove designed to be worn passively to alleviate such impairments.  Read More

The Ishikawa Oku Lab's robot hand sticks out two fingers (scissors), beating the human (pa...

Remember that high speed robot from last year, that could beat humans at rock, paper, scissors? Since then, researchers at the University of Tokyo's Ishikawa Oku Lab have continued to work on it. The result? Well, they couldn't really improve its accuracy beyond 100 percent, so instead they made it faster.  Read More

DARPA's ARM program hand is flexible enough to pick up a basketball...

Back when DARPA first announced its Autonomous Robotic Manipulation (ARM) program in 2010, the average cost of a military-grade robot hand was around US$50,000. That's expensive even by the US military's standards – especially for something that is bound to be in close contact with explosives – which is why the hardware team of the ARM program tasked participants with developing a reliable low-cost hand. Now, thanks to work by iRobot (yes, the company that makes the Roomba robotic vacuum) and researchers at Harvard and Yale, the ARM program has a surprisingly effective new hand to play with that costs just $3,000 (in batches of 1,000 or more).  Read More

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