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Prosthetics

Lyman Connor works on his bionic hand

It seems like hardly a month goes by without news reaching us of advances in the field of bionic hands. Unfortunately, however, these high-tech prostheses can be very costly to purchase, with prices ranging into the tens of thousands of dollars. This puts them out of reach of a large number of people, such as a boy that General Electric engineer Lyman Connor met last year. Connor proceeded to design and build a low-cost bionic hand in his home workshop, which he now hopes to make available to amputees-on-a-budget .... plus he hopes to get one to the boy, if only he can locate him.  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

The FDA has given approval for commercial marketing of the DEKA Arm

Prosthetics have come a long way in recent years, with many artificial limbs incorporating advanced robotic and cybernetic systems that include everything up to and including mind control. Unfortunately, for all these advances, the lack of prosthetics capable of complex motor control means that most users see them as tools rather than replacement limbs. However, that may be changing as the US Food and Drug Administration (FDA) has announced approval for marketing of the DEKA Arm system, the first prosthetic arm set to hit the market that translates signals from a patient’s muscles to carry out complex tasks.  Read More

Using implantable sensors linked wirelessly to external modules, the goal is to provide li...

Many modern prosthetic limbs are so intricate that they seem like something from the sci-fi cyborg realm. Unfortunately, to the wearer these marvels still feel like lumps of dead metal and plastic. DARPA's recently announced Hand Proprioception and Touch Interfaces (HAPTIX) program aims to change this. Using implantable sensors linked wirelessly to external modules, the goal is to provide lifelike prosthetic limbs with such a high degree of sensory feedback that they bring a sense of being part of the the wearer’s body, not something just strapped on.  Read More

DARPA's new Biological Technologies Office division aims to 'merge biology, engineering, a...

From robotics to optics and forgery prevention to solar cells, biomimicry has proven fertile ground for researchers. Recognizing nature's potential in the development of new technologies, DARPA has announced the establishment of the Biological Technologies Office (BTO), a new division that aims to "merge biology, engineering, and computer science to harness the power of natural systems for national security."  Read More

Jason Barnes and Professor Gil Weinberg demonstrate the robotic prosthesis

In 2012, Jason Barnes lost the lower part of his right arm after being electrocuted. Though he could have pursued his dream of becoming a professional drummer using only his remaining limb (like Def Leppard's Rick Allen, for example), he decided to build his own stick-wielding prosthesis. The attachment certainly allowed him to make some noise, but it wasn't flexible enough to give the speed or bounce control he was looking for. Now, thanks to the work of Georgia Tech's Professor Gil Weinberg, Barnes is preparing for a gig later this month where a novel robot drumming prosthetic arm will help him pound out precision rhythms with a live band.  Read More

Dennis Aabo Sørensen, using his sensory-enabled prosthesis

A man who lost his left hand in an accident nine years ago has had his sense of touch restored using a prosthetic hand surgically wired to nerves in his upper arm. During the trial Dennis Aabo Sørensen was able to grasp objects, detect the strength of grip, distinguish shape and identify objects by touch while blindfolded. The work was carried out by scientists from École Polytechnique Fédérale de Lausanne (EPFL) and Scuola Superiore Sant'Anna (SSSA).  Read More

A team of experts from various fields were able to develop a prosthetic arm that could be ...

While 3D printing technology has emerged to serve a wide variety of purposes, few appear more worthwhile than that of US-based company Not Impossible Labs. Through its Daniel Project, the company has not only provided 3D-printed prosthetic arms for amputees in war-torn Sudan, but empowered the local community to continue the initiative in its absence.  Read More

The avatar monkey used in the research – although the test monkeys saw its arms from a fir...

Recently there's been increasing hope for people who have lost the use of their arms, as various research institutes have started developing prosthetic arms that can be controlled by thought alone. So far, all of the systems have just allowed users to control a single arm – for many of the tasks that we perform on a daily basis, that's simply not enough. Now, however, scientists at North Carolina's Duke University have succeeded in getting two rhesus monkeys to control both arms of animated digital avatars, using nothing but their mind.  Read More

AMBER 2 is a robotic simulation of bipedal locomotion that closely mirrors a human gait

Bipedal robots have proved a challenging frontier for roboticists, with styles ranging from clunkers to lurchers to those seemingly falling over drunk. However, the AMBER lab at Texas A&M University has created universal mathematical functions of walking derived from human data and optimized for robotic systems. Their own proof of concept robots have strikingly human gaits and react appropriately to disturbances. Furthermore, the system has the potential to be applied to other bipedal robots to similarly upgrade their stride.  Read More

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