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Prosthetic Feet Soft Enough for Walking, Yet Stiff for Running

  • Sunday, 13th October 2002
  • Reading time: about 2 minutes

Freedom Innovations introduced the Freedom Series of artificial feet for lower limb amputees at the 2002 American Orthotic & Prosthetic Association (AOPA) National Assembly on October 9-12.

The Freedom Series includes three new prosthetic feet — the FS 1000, 2000 and 3000 models — in which amputees gain quality prosthetic feet for a wide range of activity levels at affordable prices, according to Richard M. Myers, Jr., Freedom Innovations president and chief operating officer.

“”Amputees are often forced to use one prosthesis for normal, everyday ambulation and another for more strenuous or athletic activity,”” Myers said. “”We created the Freedom Series so prosthetists can fit amputees with a comfortable artificial limb that is strong enough to withstand high levels of activity.””

Myers said the Freedom Series utilize patented — and patent pending — technology that provide feet with the highest degree of performance while simulating natural foot motion for amputees with moderate to high activity needs. He explained that, until now, the biggest challenge facing prosthetic feet manufacturers was providing a device that not only was flexible and resilient for comfort, but also strong and durable to withstand higher levels of activity and various weights of the users.

The Freedom Series delivers artificial feet that are versatile, smooth and strong enough to be appropriate for 95 percent of moderate- and high-activity level amputees, according to Myers. The feet were invented by Dr. Roland Christensen, who brings 17 years of experience designing prosthetic products to his role as Chief Executive Officer of Freedom Innovations.

“”In a natural foot,”” explained Christensen, who holds several patents for his prosthetic devices, “”the foot and toe flex and adapt to conform to the slope of the terrain. However, previous artificial feet with a unitary foot and toe platform were incapable of such independent response. Almost all of the past designs have focused only on ankle or foot movement for the purpose of walking or running. Few designs consider the workings of the toes or the less conspicuous movements of the foot and ankle.””

This “”low profile foot”” features a low finish height to maximize prosthetic configuration options.

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