CPR Pad with Multi-Axis Sensors for Dynamic Compression Control
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Solution Overview
Problem
Existing cardiopulmonary resuscitation methods struggle to achieve optimal results due to individual anatomical variations among patients, leading to varying success rates despite standardized guidelines for compression frequency and depth.
Innovation Solution
An apparatus and method that utilize sensors and a pad with multi-axis sensors to monitor and adjust the position and direction of thorax compression force, along with vital parameter feedback, to optimize cardiac massage for each patient, allowing for real-time adjustments in compression depth and frequency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standardized CPR guidelines are applied to all patients, then the resuscitation process is simple and easy to follow, but the effectiveness varies due to individual anatomical differences
Solution Approach 1:
The system continuously monitors CPR parameters (compression depth, frequency, position) using sensors and provides real-time feedback to the aider through visual and acoustic signals. This feedback loop enables dynamic adjustment of compression parameters to optimize effectiveness for each individual patient while maintaining ease of operation.
Solution Approach 2:
The system automatically measures and evaluates CPR quality parameters using integrated sensors, eliminating the need for manual assessment by the aider. The device self-adjusts compression parameters based on monitored vital signs and anatomical detection, reducing the cognitive load on the aider while improving reliability.
2Measurement precision
If manual cardiac massage is performed by a human aider, then the equipment is simple, but the compression parameters cannot be precisely controlled or adjusted for individual patients
Solution Approach 1:
Manual mechanical assessment of compression quality is replaced with electronic sensors that precisely measure compression depth, frequency, and position. The system substitutes human judgment with automated electronic measurement and control, achieving high precision while maintaining ease of operation through automatic monitoring and feedback.
Solution Approach 2:
The system dynamically adjusts compression parameters (depth, frequency, position) based on real-time monitoring of patient response and anatomical detection. This automated parameter optimization achieves precise control tailored to each patient's anatomy without increasing operational complexity for the aider.
3Adaptability or versatility
If automated thorax compression devices are used, then compression parameters are precisely controlled, but the device complexity and cost increase
Solution Approach 1:
The system transitions from static, pre-programmed compression parameters to dynamic, real-time adjustment based on sensor feedback. Compression depth, frequency, and position are continuously adapted during resuscitation based on detected anatomical features and patient response, enabling high adaptability without requiring a fully automated mechanical system.
Solution Approach 2:
The system combines multiple functions into a single integrated device: anatomical detection, compression parameter monitoring, vital sign measurement, and real-time feedback provision. This multi-functionality achieves high adaptability to individual patients while avoiding the complexity of multiple separate devices.
4Reliability
If CPR parameters are continuously monitored and adjusted in real-time, then the effectiveness for individual patients improves, but the operational complexity increases
Solution Approach 1:
The system provides automated real-time feedback through visual displays and acoustic signals, enabling the aider to maintain optimal compression parameters without complex manual adjustments. The feedback loop continuously monitors CPR quality and guides the aider's actions, improving success rate while keeping operation simple.
Solution Approach 2:
The system automatically performs complex monitoring and adjustment tasks using integrated sensors and control algorithms. Vital signs are continuously measured, compression parameters are evaluated, and adjustments are recommended or automatically applied, reducing the operational burden on the aider while improving resuscitation reliability.
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
This approach enhances the probability of better outcomes for individual patients by continuously monitoring vital parameters and adapting the cardiac massage technique, reducing the risk of deterioration in vital signs while unburdening the aider, thereby improving the effectiveness of cardiopulmonary resuscitation.
Implementation Method 1
The acquisition and preparation of measured data in relation to the cardiac massage as such and/or in relation to the vital parameters of the patient are required as a basis for a functioning open-loop or closed-loop control of the cardiac massage
Implementation Method 2
The vital parameters of a patient, for example given by the blood pressure and/or the oxygen saturation of the blood, can be measured with the aid of known methods such as cerebral oximetry, pulse oximetry and the known methods for blood pressure measurement
Data Source
AI summary
A device for cardiopulmonary resuscitation, a pad for assisting with cardiopulmonary resuscitation, and a method for controlling such a device, wherein the parameters of compression depth and frequency of the heart massage, and at least one vital parameter, are continuously monitored, and the parameters of the heart massage within the context of the position of the action of force on the patient's thorax, the direction of the action of force on the patient's thorax, the compression depth and/or the frequency of the heart massage are optimized on the basis of the individual anatomy of the patient.