Flexible CPR Sensor with Integrated Feedback
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Solution Overview
Problem
Current CPR methods lack real-time feedback for lay responders and professionals, making it difficult to ensure adequate pressure, frequency, and depth of chest compressions, which are crucial for effective cardiopulmonary resuscitation.
Innovation Solution
A compact, portable, wireless, and self-powered CPR sensor that provides real-time feedback on compression characteristics such as depth, force, and frequency, integrated into flexible substrates with sensor arrays, processors, and output interfaces, allowing for easy use and quick deployment during emergencies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If real-time feedback device is introduced to measure compression characteristics during CPR, then CPR effectiveness is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple sensor types (accelerometers, pressure sensors, depth sensors) into a single integrated feedback device that measures multiple compression characteristics simultaneously. This merging approach improves CPR effectiveness by providing comprehensive real-time feedback while managing device complexity through integrated design rather than multiple separate devices
Solution Approach 2:
The device implements real-time feedback by continuously monitoring compression depth, force, and frequency, then providing immediate feedback to the rescuer about compression quality. This closed-loop feedback system ensures CPR effectiveness by allowing continuous adjustment of compression parameters based on measured performance
2Measurement precision
If multiple sensor arrays are integrated into the CPR device, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent divides the measurement function into separate sensor arrays, each specialized for specific compression characteristics (accelerometers for frequency and acceleration, pressure sensors for force, depth sensors for compression depth). This segmentation improves measurement precision for each parameter while organizing device complexity into manageable functional modules
Solution Approach 2:
The feedback device is designed as a multi-functional unit that simultaneously performs multiple measurement tasks using different sensor types. The device can measure compression depth, force, frequency, and acceleration all at once, providing comprehensive precision measurement without requiring multiple separate devices
3Ease of operation
If the CPR sensor is made compact and portable, then ease of operation is improved, but power source integration becomes more difficult
Solution Approach 1:
The patent employs flexible substrates and thin-film technology to create a compact, portable sensor device that can be easily carried and deployed. The flexible nature of the substrate allows the device to maintain a small form factor while still accommodating integrated circuits, sensors, and power management components in a space-efficient arrangement
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
Enhances the effectiveness of CPR by providing immediate feedback on compression quality, improving the chances of successful resuscitation and reducing fatality risks in emergency situations.
Implementation Method 1
The one or more sensor arrays measure one or more compression characteristics (e.g., depth, force, frequency, acceleration, etc.)
Data Source
AI summary
The present invention provides a CPR sensor that includes a thin and substantially flat flexible substrate having one or more sensor arrays, a power source, an output interface and a processor or analog circuit, all of which are disposed on the substantially flat flexible substrate. The substrate can be any shape (e.g., rectangular, circular, a polygon, an irregular shape that is decorative) and made from a polymer, metal film or other suitable material. Note that the substrate can be rigid or semi-flexible instead of flexible. A protective layer may cover the sensor array, the power source, and the processor or analog circuit. Alternatively, a protective covering can be used to encapsulate the device. The one or more sensor arrays measure one or more of the following compressions characteristics: compression depth, compression force, compression frequency and compression acceleration.