Integrated Newborn CHD Screening Device Using Multi-Modal Sensors
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Solution Overview
Problem
Current methods for screening congenital heart disease in newborns are inadequate, with existing technologies like pulse oximetry and electrocardiograms having limitations that result in missed diagnoses, and echocardiography being impractical for universal screening due to cost and personnel requirements.
Innovation Solution
A device integrating pulse oximetry, electrocardiogram, and phonocardiogram sensors with a built-in diagnostic algorithm and management recommendations, allowing for rapid and effective screening of congenital heart disease in newborns, which can be operated by non-specialized personnel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If echocardiography is used for CHD screening, then diagnostic accuracy is improved, but device complexity and cost increase significantly
Solution Approach 1:
The patent combines multiple screening modalities (pulse oximetry, ECG, phonocardiogram) into a single integrated device that performs simultaneous or sequential measurements. This merging approach achieves comprehensive diagnostic capability comparable to echocardiography while maintaining simplicity and low cost of individual components.
Solution Approach 2:
The integrated screening device performs multiple functions (oximetry, electrocardiography, phonocardiography) within a single system, making it universally applicable for CHD screening without requiring specialized echocardiography equipment or highly trained personnel.
2Reliability
If echocardiography is used for universal screening, then detection capability is improved, but personnel requirements and operational complexity increase
Solution Approach 1:
The device incorporates automated analysis algorithms that process sensor data and generate diagnostic recommendations without requiring specialized interpretation skills. This self-service capability allows non-specialized personnel to operate the device effectively, eliminating the need for trained echocardiographers.
Solution Approach 2:
The system provides automated feedback through diagnostic algorithms that analyze sensor data in real-time and generate actionable recommendations. This feedback mechanism compensates for the lack of specialized expertise in operators, maintaining high detection capability while simplifying operation.
3Measurement precision
If multiple screening techniques are used individually, then specific detection accuracy is improved, but overall screening reliability decreases due to limitations of each technique
Solution Approach 1:
The patent integrates multiple screening techniques (pulse oximetry, ECG, phonocardiogram) into a unified system that combines their individual detection capabilities. This merging ensures that strengths of each technique complement each other, providing comprehensive coverage of different CHD types that any single technique might miss.
Solution Approach 2:
The screening approach uses a composite diagnostic strategy combining multiple measurement modalities, analogous to composite materials where different components work together to achieve properties superior to individual components alone. The integrated device leverages the complementary strengths of each sensing technique.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The integrated device significantly improves the detection of critical congenital heart diseases that may be missed by clinical examination, providing timely management recommendations and reducing the risk of life-threatening events in newborns.
Implementation Method 1
A probe including a pulse oximetry sensor for detecting the oxygen saturation in the subject's blood
Implementation Method 2
sensors for detecting heart sounds and electrical signals of the heart
Implementation Method 3
An ECG is a graphic or waveform produced by an electrocardiograph machine which records the changes in electrical voltage in the heart
Data Source
AI summary
An apparatus including a main processing unit. The apparatus further including a precordial patch coupled to the main processing unit, the precordial patch having a plurality of sensors for detecting heart sounds and cardiac electrical signals (ECG). The apparatus further including a probe coupled to the main processing unit, the probe having a sensor for detecting oxygen saturation of blood circulating through a human. A method is further described including simultaneously measuring and analyzing heart sounds, cardiac electrical signals (ECG) and oxygen saturation of blood circulating through a human. The method further includes performing an algorithm to determine the presence of a significant congenital heart disease and displaying management recommendations based on results of the algorithm.