CPR Training Mannequin with Sensor Feedback for Compression Accuracy
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Solution Overview
Problem
Existing mannequins for cardiopulmonary resuscitation training lack accurate feedback on compression depth and direction, leading to insufficient training performance analysis and potential misinterpretation of successful cardiopulmonary resuscitation techniques.
Innovation Solution
A mannequin equipped with a pivoting arm, magnetic sensors at different heights, and infrared sensors to provide real-time feedback on compression depth and direction, ensuring accurate performance analysis through video and audio guidance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional mannequin structure without sensors is used, then device complexity is reduced, but measurement precision of compression depth and direction is insufficient
Solution Approach 1:
The patent replaces complex mechanical measurement systems with magnetic sensing technology. Magnets embedded in the pivoting arm interact with magnetic sensors (such as Hall effect sensors or magnetometers) to detect arm position, compression depth, and direction. This substitution provides precise measurements while reducing mechanical complexity compared to traditional mechanical linkages and switches.
Solution Approach 2:
The patent introduces magnetic fields as an intermediary between the pivoting arm and the sensing system. Magnets embedded in the pivoting arm create magnetic fields that are detected by magnetic sensors mounted on the mannequin structure. This intermediary approach enables non-contact measurement of compression parameters with high precision.
2Measurement precision
If multiple sensors are installed to detect compression parameters, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The patent designs the sensor system to perform multiple functions simultaneously. The magnetic sensors not only detect compression depth but also determine compression direction by analyzing the position of the pivoting arm. The same sensor array serves both measurement purposes, reducing the need for separate sensor systems and minimizing overall device complexity.
Solution Approach 2:
The patent combines depth detection and direction detection capabilities into a single integrated sensor system. By using magnetic sensors that can detect both the magnitude and direction of magnetic field changes, the system merges multiple measurement functions into one cohesive setup, reducing the number of separate components needed.
3Reliability
If real-time feedback system is implemented, then training quality is improved, but loss of time for system setup and calibration increases
Solution Approach 1:
The patent implements a self-calibrating system where the microprocessor automatically establishes baseline positions and calibration parameters during initial operation. The system performs self-diagnosis and automatic calibration routines without requiring manual intervention, reducing setup time while maintaining high reliability of the feedback system.
Solution Approach 2:
The patent incorporates preliminary calibration routines that are automatically executed during system initialization. The system pre-establishes reference positions for the pivoting arm and calibrates sensor readings before actual training begins, minimizing the time required for setup while ensuring accurate measurements from the start.
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 precise determination of compression depth and direction, allowing trainees to perform cardiopulmonary resuscitation with improved accuracy and quality.
Implementation Method 1
two sensors are installed at different heights of two columns such that the position of the pivoting arm is grasped
Implementation Method 2
a pair of multiple infrared sensors are installed left and right on the path through which a vertically moving vertical sensor passes
Data Source
AI summary
A mannequin for cardiopulmonary resuscitation training, the mannequin includes: a torso case (102); a torso cover (104); a head case (106); a head cover (108); a spring (110); a first column (112); a second column (114); a pivoting arm (118); a sensor case (132); a first infrared sensor (134) and a second infrared sensor (136); and a blocking plate (140), wherein, when the blocking plate (140) moving in an up and down direction covers a front surface of the sensor case (132), the first infrared sensor (134) and the second infrared sensor (136) check a state in which infrared rays are not sensed, and then transmit the state to a control portion. Accordingly, when cardiopulmonary resuscitation is performed, it is possible to easily and accurately determine how deep the compression is, and to accurately sense whether the direction of compression is perpendicular to the ground, so trainees learning cardiopulmonary resuscitation can undergo an accurate training.