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A Step Closer to More Natural Movement
Natural movement is something amputees continually strive for in their prostheses after amputation. A new option for the DuraLite™ Foot and Fusion™ Foot now exists that can help in attaining this goal. A Torsion Receiver is the latest proximal adapter option for these two feet and was just released by Ohio Willow Wood at the 2010 AOPA National Assembly.
What it Delivers
The new Torsion Receiver provides a greater sense of natural movement than a foot without such an adapter. The receiver was designed to provide 24 degrees rotation internally and 24 degrees rotation externally. It is this rotation that lets wearers turn or rotate in or out just as they do on their sound side.
Clinicians are able to customize the Torsion Receiver for each patient. Within the receiver is a dial that clinicians may use to adjust the amount of torsion resistance. There are six resistance settings from which to select. By simply turning the dial clinicians are adjusting the stiffness of the Torsion Receiver to one of its six levels.
Clinical Testing Feedback
Clinical testing of the Torsion Receiver garnered high marks from test patients. Tasks such as lifting and twisting, maneuvering corners, ascending and descending stairs, and walking on uneven surfaces were reported as being easier to do with the Torsion Receiver. Patients experienced an increased range of motion and smoother or more natural movement. Most of the test patients indicated the Torsion Receiver increased the ease of tasks, reduced lower-back strain, and relieved rotational stress on their residual limb.
Test patients were from various occupations. One test patient, an avid horseman, was so impressed with the Torsion Receiver on his Fusion foot that he determined it essential to his prosthesis. “I own horses, and I carry many items ranging from 50 to 80 pounds through my barn, turning many corners,” the patient shared. “The Torsion Receiver takes the pressure of my socket pivoting off my knee. Now I know that my knee will not tolerate using a foot without the Torsion Receiver.”
The Details
The Torsion Receiver mounts on top of the DuraLite or Fusion shank and requires no drilling. The proximal end is a pyramid receiver. This proximal adapter is designed specifically for the DuraLite or Fusion feet and will not work with other manufacturers’ shank-style feet.
The patient weight limit for the Torsion Receiver is 300 lb. (135kg), which is consistent with the maximum weight limits for both DuraLite and Fusion feet. A patient’s body weight plus any loads normally or routinely carried cannot exceed this weight limit. The Torsion Receiver weighs 420g and has a 24-month warranty.
For more information about the Torsion Receiver for the DuraLite or Fusion feet, contact your distributor or Ohio Willow Wood at 800.848.4930 or visit www.owwco.com
