MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641044278 A) filed by Saveetha Institute Of Medical And Technical Sciences, Chennai, Tamil Nadu, on April 7, for 'balance confidence index using signal patterns.'
Inventor(s) include S. Joshua Kumaresan; K. Sathya Siva; and Deepak Nallaswamy Veeraiyan.
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: "The Balance Confidence Index ( BCI) system represents a shift from observing physical falling to measuring the psychological "fear of falling" through high-tlequency biomechanical markers. While traditional balance tests measure total sway, they often t~lil to distinguish between a person who is physically weak and one who is psychologically hesitant. The core of this invention lies in the detection of muscular guarding. When a subject lacks confidence, they subconsciously stiffen their joints, leading to a "stiff' postural profile characterized by rapid, low-amplitude micro-oscillations. The system captures these via a highresolution Center of Pressure (CoP) trajectory. A processing unit applies a Continuous Wavelet Transfom1 (CWT) to decompose the signaL This mathematical process separates low-frequency voluntary movements from the high frequency "noise" of anxiety-induced micro-corrections. The algorithm then calculates Sample Entropy; a lower entropy value indicates a rigid, highly detem1 inistic movement pattern indicative of low confidence. By integrating the stiffness coefficient, sway area, and entropy, the system produces a quantified BCL This allows clinicians to objectively track a patient's psychological readiness for independent mobility, providing a predictive metric for "freeze-of-gait" incidents that traditional assessments miss."
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