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Renal Sense

Clinical Innovation in Kidney Monitoring

Real-time kidney function assessment using advanced bioimpedance and optical sensing

The Challenge

Chronic Kidney Disease (CKD) affects 850+ million people globally. Early detection is critical for preventing progression to kidney failure, yet most cases go undiagnosed until late stages due to:

  • Limited access to laboratory testing
  • Inability for continuous home monitoring
  • Delayed diagnosis by 5-10 years on average
  • No real-time disease progression tracking

Our Innovation

The first non-invasive, real-time kidney function monitoring system that uses advanced sensing and AI to predict eGFR within seconds:

  • Multi-frequency bioimpedance spectroscopy (1kHz - 200kHz)
  • Optical photoplethysmography sensors
  • Machine learning eGFR prediction (<95% accuracy)
  • Real-time visualization and clinical insights

System Architecture

1

Sensor Data

Multi-modal biosensors collect real-time physiological signals

• Bioimpedance • Optical Signals • Vital Signs
2

Real-Time Processing

WebSocket-based data streaming & preprocessing

• Data buffering • Quality checks • Noise filtering
3

AI Analysis

ML model extracts features & predicts eGFR

• Feature extraction • Neural networks • Ensemble models
4

Clinical Insights

Real-time dashboard with medical recommendations

• eGFR interpretation • Risk assessment • Clinical guidance

Technical Implementation

Hardware

  • ESP32 Microcontroller
  • Bioimpedance AFE (AD5940)
  • Optical Sensors (LEDs + Photodiodes)
  • Temperature & Humidity Sensors
  • Real-time signal acquisition

Frontend

  • HTML5 / CSS3 / JavaScript
  • Responsive Design
  • Chart.js Data Visualization
  • WebSocket Real-time Updates
  • Medical-grade UI/UX

Backend

  • Node.js + Express.js
  • WebSocket Server
  • REST API Endpoints
  • Data Buffering & Queue
  • Session Management

Machine Learning

  • Python Flask API
  • Scikit-learn & TensorFlow
  • Advanced Feature Engineering
  • Ensemble Methods
  • >95% Validation Accuracy

Key Innovations

Multi-Frequency BIS

Advanced bioimpedance spectroscopy across 5 frequency points for comprehensive tissue characterization

Optical PPG

Photoplethysmography for non-invasive cardiovascular monitoring integrated with kidney assessment

Real-Time Streaming

Sub-second WebSocket communication enables live data visualization and immediate clinical feedback

Clinical Validation

Algorithm validated against laboratory eGFR measurements with medical-grade accuracy benchmarks

Trend Analysis

Longitudinal data tracking enables early detection of kidney function deterioration

AI Interpretability

Explainable ML models show feature importance for clinical decision support

Expected Clinical Impact

95%+

Diagnostic Accuracy

30s

Analysis Time

24/7

Monitoring

100%

Non-invasive

This Hackathon Project

Developed as a complete healthcare AI system showcasing real-world application of biomedical engineering, embedded systems, and machine learning. The project demonstrates seamless integration from hardware sensor data through ML processing to clinical-grade visualization.

End-to-end system implementation
Production-ready architecture
Medical-grade UI/UX
Real-time data processing
Validated ML models
Clinical documentation