MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202511116122 A) filed by Graphic Era, Dehradun, Uttarakhand, on Nov. 24, 2025, for 'a system and method for an adaptive mechanical-digital prosthetic hand.'
Inventor(s) include Sarthak Pundir; Dr. Arun Pratap Singh Rathod; Shiv Ashish Dhondiyal; and Ishita Uniyal.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "The invention relates to a prosthetic hand system integrating a prosthetic socket with a dual push-lever actuation interface, wherein a first push-lever (activated by humeral flexion) and a second push-lever (activated by humeral extension) are coupled to low-friction potentiometers that convert mechanical displacement into analog voltage signals. These signals are routed via a wiring harness to a core processing unit featuring a microcontroller and a mode-selector interface that digitizes the signals into PWM outputs. The PWM signals drive a high-torque servo motor through a two-stage planetary gear reduction system to actuate a linkage assembly for digit movement. An optional adaptive grip module with optical reflectance sensors provides real-time feedback for dynamic adjustment of grip patterns."
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