111: Physical Therapy Device (Multidisciplinary Team)

We created a knee exoskeleton for people recovering from total knee replacement surgery. Our device provided mechanical resistance, electrical therapy and data collection as a cost-effective, at-home solution for knee recovery. With this device, patients complete guided therapy exercises, helping them build stronger quadriceps muscles and improve mobility.

We designed a simple joint to align with the natural rotation of the knee. This ensures effectiveness and comfort while reducing stress on the joint. The device supports different exercises. Patients can perform stationary, moving or resistance exercises that increase in difficulty over time. These features create a complete recovery plan that builds strength and maintains knee joint stability.

We included electrical therapy to speed up recovery immediately after surgery. Because quadriceps weakness often follows total knee replacement, this feature helps patients regain strength and mobility faster. The electrical signals activate the quadriceps muscles, giving them an extra boost to rebuild.

Along with resistance and electric therapy, the exoskeleton collects muscle activity data. Healthcare providers and patients can view this information to measure improvements. With this knowledge, doctors can easily adjust therapy plans based on individual needs. When patients see real-time proof of progress, they become more motivated to continue their program.

By combining mechanical support, electrical therapy and data tracking, we created a versatile tool for at-home rehabilitation. It reduces treatment costs and lets patients recover in a familiar environment. Our device shows the potential to transform knee replacement recovery for many people.