Non-invasive Skin Sensor for Cardiac Performance Assessment

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Solution Overview

Problem

Current methods for assessing cardiac performance are invasive, time-consuming, and expensive, leading to many patients with serious cardiovascular conditions going untested until problems become severe.

Innovation Solution

A non-invasive sensor apparatus that captures readings from the skin to generate cardiac performance indicators using various sensors, such as temperature, pH, and oxygen saturation, and integrates with external devices to provide real-time monitoring and alerts.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If invasive techniques such as Swan-Ganz thermal dilution catheter insertion are used to assess cardiac performance, then measurement precision is improved, but device complexity and ease of operation deteriorate

Engineering Contradiction:
Improvecardiac performance measurement accuracyVSAvoidinvasive procedure complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The patent replaces the mechanical invasive catheter insertion system with a non-invasive optical sensor system that uses light transmission through the skin to measure cardiac performance parameters, eliminating the need for physical insertion into the pulmonary artery while maintaining measurement capability

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces skin transmission as an intermediary medium to measure cardiac performance without direct internal access, using the skin as a window to detect blood flow and cardiac function through optical means rather than requiring direct intravascular placement

Inventive Principle:
Principle #24Intermediary (Mediator)

2Measurement precision

If invasive cardiac performance testing is performed, then measurement precision is improved, but loss of time increases

Engineering Contradiction:
Improvecardiac performance assessment accuracyVSAvoidtesting time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent enables continuous, real-time cardiac performance monitoring through the non-invasive sensor system that can operate continuously without interruption, eliminating the time-consuming setup and teardown procedures associated with invasive catheter insertion and allowing ongoing assessment during patient activities

Inventive Principle:
Principle #20Continuity of useful action

3Measurement precision

If invasive cardiac performance testing is performed, then measurement precision is improved, but loss of energy increases

Engineering Contradiction:
Improvecardiac performance measurement accuracyVSAvoidprocedural energy consumption
Core Design Contradiction:
Measurement precisionVSLoss of energy

Solution Approach 1:

The patent replaces the energy-intensive invasive mechanical catheter insertion and thermal dilution measurement system with a low-energy optical sensing system that uses minimal power for light transmission and signal processing, dramatically reducing the energy resources required for cardiac performance assessment

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

4Ease of operation

If non-invasive sensor readings are used to assess cardiac performance, then ease of operation is improved, but measurement precision may deteriorate

Engineering Contradiction:
Improvenon-invasive monitoring convenienceVSAvoidcardiac performance indicator accuracy
Core Design Contradiction:
Ease of operationVSMeasurement precision

Solution Approach 1:

The patent employs multi-functional optical sensors that can simultaneously measure multiple parameters including blood flow, oxygen saturation, and cardiac output by analyzing different aspects of light transmission, thereby achieving comprehensive cardiac performance assessment with a single non-invasive device that maintains measurement precision across multiple metrics

Inventive Principle:
Principle #6Universality (Multi-functionality)

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

Enables early detection of cardiac performance issues without invasive procedures, allowing for timely intervention and potentially preventing more severe complications.

Implementation Method 1

sensor readings captured from the skin of the patient to generate an indicator of the patient's cardiac performance... including but not limited to temperature, pH, electrical connectivity, and oxygen saturation

Methodology Applied
Scientific EffectTemperature sensing:

Data Source

PatentUS20210330201A1Non-invasive sensor apparatus and method for assessing cardiac performance
Publication Date: 2021.10.28 ACCU THERM SYSTEMS INC
  • US20210330201A1 patent drawing
  • US20210330201A1 patent drawing
  • US20210330201A1 patent drawing

AI summary

Non-invasive sensor apparatus and method for assessing cardiac performance. A wide variety of different sensor components can capture sensor readings relating to patient attributes. Those sensor readings can then be compared by a processor component to derive a cardiac performance indicator relating to the patient.