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Freedom Innovations to Commercialize the World's First Actively-Powered, Complete Lower Extremity Prosthesis
Date:4/14/2011

IRVINE, Calif., April 14, 2011 /PRNewswire/ -- Freedom Innovations, a company that specializes in the development of high technology lower extremity prosthetic devices, today announced a worldwide licensing agreement. The agreement grants the company exclusive rights to commercialize the world's first lower extremity prosthesis with actively powered knee and ankle joints that operate synergistically.  Developed at the Vanderbilt University Center for Intelligent Mechatronics in Nashville, Tennessee, this groundbreaking technology will substantially improve an amputee's quality of life.

The convergence of technologies has made it possible for the Vanderbilt system's prosthetic knee and ankle joints to work in unison. This allows above-knee amputees to walk 25% faster, while expending 30–40% less energy compared to other state of the art devices.  The increase in efficiency, paired with the system's overall functionality and fall prevention mechanisms, also provides users with increased balance, agility and recovery reflexes to prevent falls.  This improved level of safety will reduce the potential for injury and costly hospital admissions.

The Vanderbilt Powered Knee and Ankle System features state of the art microelectronics technology which facilitates intelligent communication between the user and the prosthesis.  Sophisticated software with intent recognition capabilities analyzes the user's movement patterns, such as weight shifting or changes in joint angles.  These patterns are translated into power-driven actions that help the user ambulate close to biological norms.  The analysis occurs within a few hundred milliseconds with smooth synchronization between the action of the user and the prosthesis.  All of this occurs within a design envelope that is comparable to human anatomy, which is critical for user acceptance.  

In addition to increased safety and metabolic efficiencies, the Vanderbilt system will offer actively powered stair and ramp ascent and increased symmetry of gait, representing the next leap forward in restoring amputees' mobility.  Plans to modularize the system will ensure that transtibial (below-the-knee) amputees will also have the opportunity to benefit from the ankle and foot technology.

A team led by Michael Goldfarb, H. Fort Flowers Professor of Mechanical Engineering and Director of the Center for Intelligent Mechatronics at Vanderbilt University, developed the Powered Knee and Ankle System. "Recent advancements in technology have enabled us to develop a powered prosthesis that reproduces kinematics close to biological norms," said Goldfarb. "We are entering an age where man and machine are becoming integrated," he added. "I think our work is a pioneering example of this and we are excited to be working with Freedom Innovations to make this product available to amputees around the world."  

"The technology developed by this group is world-class," said Maynard Carkhuff, President and CEO of Freedom Innovations. "This agreement is an important milestone for Freedom as it demonstrates our long-term commitment to bringing innovative products to the market. We are excited to bring the two teams together to commercialize this product over the coming years."

The technology transfer from Vanderbilt University to Freedom Innovations is the next step in the commercialization process and is scheduled to take place this summer.

About Freedom Innovations

Freedom Innovations, LLC designs, manufactures, and markets advanced technology lower extremity prosthetic devices that provide people with physical challenges the ability to reach their full potential.  Based in Irvine, CA, Freedom's lower extremity prosthetics are distributed around the world.

For more information, visit www.freedom-innovations.com.

About the Center for Intelligent Mechatronics, Vanderbilt University

The Center focuses on the design and control of electromechanical devices, with particular emphasis on the intersection of design and control. Much of its work is human-centered, including current research in anthropomorphic robotic upper and lower extremity prostheses; dynamic approaches to the control of robot biped locomotion; and the use of biologically derived coordination for the control of legged locomotion in multi-legged robots. Vanderbilt University is a private research university of approximately 6,500 undergraduates and 5,300 graduate and professional students. Founded in 1873, the University comprises 10 schools, a distinguished medical center and The Freedom Forum First Amendment Center. Vanderbilt, ranked as one of the nation's top universities, offers undergraduate programs in the liberal arts and sciences, engineering, music, education and human development, and a full range of graduate and professional degrees.


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