"It doesn't operate on its own because it 'listens' instead to the dog's body by using surface electromyographic sensors, known as sEMG sensors. These sensors are placed on a healthy front leg, so when the dog walks, muscles in that leg send signals. They then read these signals and send the data to a control system. The system processes the signals in real time and predicts how the damaged hind leg should move next. Linear actuators then move the hind leg to match the dog's walking pattern to help the front and back legs move together."
"The purpose of Repawse is clear. Many dogs lose movement in their hind legs after accidents, surgery, or disease. Existing solutions often use passive prosthetics or carts, and these tools support the body but don't help the dog walk in a natural way. They also don't respond to how the dog wants to move. The attachable powered exoskeleton for dogs was created to solve this problem by helping the pet walk using its own movement signals."
Repawse is an attachable powered exoskeleton worn on dogs' hind legs to restore coordinated walking after injury or illness. Surface electromyographic (sEMG) sensors placed on a healthy front leg read muscle activity during walking and transmit signals to a control system. The control system processes signals in real time, predicts the damaged hind leg's next movement, and activates linear actuators to synchronize hind-leg motion with the front legs. The device prioritizes coordination over speed or strength and stops or starts automatically with the dog's own movement. The design avoids screens, buttons, or verbal commands to reduce stress and keep walking as natural as possible.
Read at designboom | architecture & design magazine
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