CPR Training Manikin With Integrated Sensor System
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Solution Overview
Problem
Existing training manikins for cardiopulmonary resuscitation (CPR) lack effective methods for registering and improving the performance of trainees, particularly in measuring parameters such as chest deflection and ventilation volume during CPR sessions.
Innovation Solution
A training manikin with a deflectable chest portion and integrated sensors, including an optical distance sensor and pressure sensors, to measure chest deflection and ventilation parameters, processed by a device to provide compression and ventilation signals for performance evaluation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional training manikins are used without integrated sensors, then the device complexity is reduced, but the measurement precision of CPR performance parameters is insufficient
Solution Approach 1:
The patent combines multiple sensor types (optical distance sensor, pressure sensors) and processing devices into an integrated sensor system within the training manikin. This merging approach enables comprehensive CPR parameter measurement (chest deflection, ventilation volume) while managing system complexity through unified integration rather than separate standalone components.
Solution Approach 2:
The training manikin is designed with multi-functional capabilities by incorporating sensors that measure multiple CPR parameters simultaneously (chest compression depth, compression rate, ventilation volume). This universal measurement system allows a single device to perform various assessment functions, improving measurement precision without proportionally increasing complexity.
2Measurement precision
If multiple sensors are integrated into the training manikin to measure various CPR parameters, then the measurement precision improves, but the device complexity increases
Solution Approach 1:
The sensor system is segmented into distinct functional modules: optical distance sensors for chest deflection measurement, pressure sensors for ventilation measurement, and separate processing devices for data analysis. This segmentation allows each sensor type to be optimized for its specific measurement function while maintaining manageable system complexity through modular architecture.
Solution Approach 2:
Processing devices serve as intermediaries between the multiple sensors and the user interface. These intermediaries collect, analyze, and interpret data from various sensors (optical and pressure sensors), converting raw sensor signals into meaningful CPR performance metrics. This intermediary layer manages the complexity of multiple sensors by providing a unified data processing approach.
3Productivity
If real-time feedback signals are provided during CPR training, then the training effectiveness is improved, but the use of energy increases
Solution Approach 1:
The system provides real-time feedback through periodic measurement and signal generation during CPR training. Sensors continuously monitor CPR parameters at appropriate intervals, and the processing device generates feedback signals based on measured performance. This periodic action enables effective real-time training guidance while managing energy consumption by measuring and feedback only when necessary for training effectiveness.
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 accuracy and precision of CPR performance assessment by providing real-time feedback on chest deflection and ventilation, allowing for improved training effectiveness.
Implementation Method 1
an optical distance sensor and a reflector, one of which is arranged at a sensor position and the other at a position movable with the chest portion
Implementation Method 2
a pressure sensor measuring air pressure in the lung portion
Data Source
Figure 1
Figure 2A~2B
Figure 3
AI summary
A training manikin and a method for registering performance of a trainee during practice of CPR is disclosed, wherein the training manikin comprises: a chest portion and a back portion, and wherein the chest portion is deflectable along a deflection direction and towards the back portion between a non-deflected chest position and a maximum-deflected chest position, one or more sensors for measuring one or more parameters indicative of the performance of a trainee during use of the training manikin in a training session, wherein at least part of the one or more parameters are indicative of deflection of the chest portion, and at least one processing device connected to the one or more sensors and adapted to provide one or more output signals based on the one or more parameters, the one or more output signals comprising a compression signal indicative of deflection of the chest portion. Also, methods for retrofitting a sensor system on a training manikin are disclosed.