MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641046085 A) filed by Institute Of Information Technology, Bangalore, Karnataka, on April 10, for 'wheelchair-based upper and lower limb rehabilitation exoskeleton with emg signal augmentation and iot connectivity.'

Inventor(s) include Jagan P; Madhav Rao; and Phani Pavan Kambhammpati.

The application for the patent was published on May 29, under issue no. 22/2026.

According to the abstract released by the Intellectual Property India: "A wheelchair-based exoskeleton rehabilitation system for stroke and paralysis patients is disclosed. The system integrates an upper limb exoskeleton mechanism and a lower limb exoskeleton mechanism on a single wheelchair attachment (218) to provide coordinated upper and lower limb therapy. The upper limb mechanism provides six degrees of freedom through wrist servos (202), a linear direct current motor (220), a DC motor (216), and a stepper motor (222), while the lower limb mechanism provides hip, knee, and ankle flexion-extension movements. A surface electromyography signal acquisition system captures muscle activation signals, and rotatory angle feedback sensors (212) provide joint position feedback. An AI-based analysis module processes motor current, encoder step data, and user-specific parameters to predict joint kinematics, generate expected motor power profiles, and detect electrical or mechanical faults in real time. An edge computing device transmits rehabilitation and fault data to cloud-based storage for remote monitoring."

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