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Microprocessor Swing Controller
 | | The onboard computer will analyze stresses and the speed of the swinging knee |
| | applied to the prosthesis during swing phase.
|
| | If the wearer is walking fast or running, the knee must swing quickly to ensure it is in |
| | the proper position for heel contact; for slower walking, the knee must swing at a
lower speed.
|
| | The microprocessor swing controller continually programs the knee to ensure the knee |
| | is swinging at the appropriate speed
|
| | The controller will instantaneously adjust the resistance to the knee should the wearer |
| | speed up or slow down.
|
Rechargeable Battery
| | The knee contains rechargeable batteries that will last a minimum of 24 hours (some |
| | designs can last up to 3 weeks before recharging).
|
| | Before the batteries go dead, the microprocessor will provide an audible warning to let |
| | you know it is time to recharge.
|
| | Some microprocessor designs are available with car chargers so you can recharge the |
| | knee's batteries in the car on the way to work.
|
| | Electronic Force Sensors
|
| | The force sensors analyze the force and stress applied to the prosthesis during stance |
| | phase.
|
| | Force sensors continuously compile information and feed data to the onboard |
| | computers. This data enables the onboard computers to determine if the wearer is on
level surfaces, walking backwards, on slopes, on stairs or uneven terrain or is about to
stumble.
|
Continuous Gait Assessment
| | The continuous gait assessment computer is the brains of the microprocessor knee, it |
| | monitors and analyzes data at a rate of over 50 times per second.
|
| | This microprocessor directs the swing and stance controllers to make instantaneous |
| | adjustments to ensure the knee is always programmed for the optimum stability and
function settings.
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Computer Legs - Microprocessor Controlled Knees - Compact, C-Leg, Rheo,
Adaptive 2
The Fluid Contol Unit
| | The microprocessor contains a fluid control unit that provides resistance to both knee |
| | flexion (bending) and extension (straightening).
|
| | The onboard computer will influence the fluid within the knee to provide the |
| | appropriate resistance to ensure the knee is always in the most safe and stable
setting.
|
| | The knee will flex easily for walking on level surfaces and will automatically provide |
| | the necessary knee resistance for walking down stairs and slopes.
|
| | Microprocessor Stance Controller
|
| | The onboard computer will analyze the forces and stresses applied to the prosthesis |
| | during stance phase.
|
| | The computer will determine what the appropriate setting is for the knee and ensure |
| | the knee is always in the most stable and secure adjustment.
|
| | The microprocessor stance controller continually programs the knee to ensure the |
| | stance fluid controllers are at the optimum and appropriate settings.
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