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FALL 2012

Sampson's Offers Innovative Microprocessor-Controlled C-Brace®

Bill Sampson, CP, and Mike Pagano, CPO, completed the first official training session in North America and are certified to fit the brace.

Sampson's Prosthetic & Orthotic Laboratory now offers patients the C-Brace®, the first orthosis to provide a dramatically new approach to orthotic outcomes.

By combining mechatronics (engineering disciplines, including electrical, mechanical, and computer) with state-of-the-art custom orthotic design, the C-Brace helps wearers to descend stairs, change speeds, walk with controlled knee flexion, and to move through life more smoothly and efficiently. The intelligently designed system also helps prevent wear and tear on the sound limb, while providing support throughout the gait cycle.

Candidates for the C-Brace
The C-Brace is suited to patients with incomplete spinal cord injury, weakness or paresis of the quadriceps, and post-polio syndrome. While users were severely limited in their mobility with previous devices, they can now benefit from the dynamically controlled gait cycle and significantly enhanced safety. Movement and mobility can now be experienced in a completely new way. Users can adopt a more natural posture, reducing excessive strain on just one side of the body.

The C-Brace is demonstrated in this video:

If you have patients who could benefit from the C-Brace, contact Sampson's.

System details
The system consists of an upper leg part, lower leg part and foot part, each of which is individually fabricated. A sensor-integrated, dynamic fiber composite spring connects the foot plate to the lower leg. An ankle moment sensor transmits signals via a cable to the microprocessor-controlled hydraulic knee joint unit. This is embedded in a carbon fiber frame together with the electronics. In addition, a knee angle sensor permanently measures the knee angle and velocity of the knee joint. Based on algorithms, the electronic servos will control hydraulic knee flexion and extension resistance. The system recognizes the current gait cycle phase of the user. The hydraulic resistances to flexion and extension are regulated accordingly.




Stumble Control:
Resistance to uncontrolled knee flexion when sensors read a moment of instability gives the time necessary to recover.

Real-Time Gait Analysis:
Every period of gait in the gait cycle is controlled dynamically and in real-time, allowing the patient to walk with more ease and less concentration — with less compensation of the sound side and torso.

Standing and 2nd Mode:
Additional modes allow for comfortable static standing and additional settings (for therapy or other activities).

Stance Extension Damping:
Progressive resistance allows natural movement to occur without uncontrolled and early knee and hip extension at terminal stance, resulting in a more natural movement without abrupt changes to the center of gravity, lower back and lower limb joints.

Stance Flexion Damping:
Controlled, partial knee flexion while weight bearing allows the patient to exhibit knee control when walking down hills and ramps, descending stairs step over step, and while sitting down into a chair.

The C-Brace is not suitable for those with moderate to severe lower limb spasticity and a body weight over 275 lbs.

Bill Sampson and Mike Pagano are happy to answer any questions you may have about the C-Brace. Call us at (518) 374-6011. Sampson's has offices in Schenectady, Albany, Queensbury, Amsterdam, and Saratoga Springs.


Sampson's Prosthetic & Orthotic Laboratory

1737 State Street • Schenectady, NY 12304 • Phone: (518) 374-6011 •