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Cameron Clapp's C-Leg from BockCameron Clapp competes at the 2005 Endeavor Games with the help of C-Leg prosthetic devices. Microprocessors in the knee guide a hydraulic system that influences each step.
Processors have been used to add stability to prosthetic limbs since the mid-1990s. Otto Bock HealthCare has been successfully producing the chip-controlled C-Leg limb since 1999.