Coupled Chest-Abdomen CPR Compression With Adaptive Feedback Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current cardiopulmonary resuscitation instruments lack intelligence, resulting in low success rates for out-of-hospital cardiac arrests due to suboptimal compression frequency, depth, and duration.
Innovation Solution
A chest and abdomen coupled cardiopulmonary resuscitation device that optimizes compression frequency, depth, and duration using linear motors, pressure sensors, and a fuzzy adaptive intelligent controller to adjust parameters based on physiological indicators and patient-specific data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional chest compression instruments are used, then the equipment can perform basic compression functions, but the compression frequency, depth and duration cannot be optimized according to physiological indicators, resulting in low rescue success rate
Solution Approach 1:
The patent implements a feedback control system where pressure sensors detect compression pressure in real-time, the microcontroller processes this data along with physiological parameters, and automatically adjusts compression frequency, depth and duration. This closed-loop feedback mechanism enables the device to adapt to patient-specific physiological conditions, resolving the contradiction between basic compression function and adaptive optimization.
Solution Approach 2:
The patent replaces manual mechanical compression with an automated electromechanical system. Linear motors drive the compression mechanism based on electronic control signals from the microcontroller, which processes physiological data and pressure feedback. This substitution transforms the system from passive mechanical operation to active intelligent control, enabling optimization of compression parameters according to physiological indicators.
2Productivity
If compression parameters are manually controlled, then the device structure can be simple, but the compression quality cannot be optimized, leading to low rescue effectiveness
Solution Approach 1:
The patent integrates multiple functions into a single unified device: pressure sensing, physiological parameter detection, microcontroller-based processing, and automated compression control. The pressure sensor serves both measurement and control feedback functions, while the microcontroller handles data processing, decision-making, and motor control. This multi-functional integration achieves high compression quality without proportionally increasing device complexity.
Solution Approach 2:
The device performs self-adjustment of compression parameters based on real-time pressure feedback and physiological data processing. The microcontroller automatically modifies compression frequency, depth and duration without requiring external manual intervention, enabling the system to self-optimize compression quality while maintaining manageable structural complexity through automated decision-making.
3Reliability
If standard compression protocols are applied to all patients, then the operation procedure can be standardized, but patient-specific optimization cannot be achieved, resulting in suboptimal rescue outcomes
Solution Approach 1:
The patent transforms static standardization into dynamic adaptation. While the device maintains a standardized operational framework with defined compression protocols, the actual compression parameters (frequency, depth, duration) dynamically adjust based on real-time pressure sensor feedback and patient-specific physiological data. This dynamic approach enables patient-specific optimization within a standardized operational structure, improving rescue outcomes without sacrificing procedural consistency.
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
Significantly improves the success rate of cardiopulmonary resuscitation by providing intelligent, patient-specific compression parameters, minimizing rib injury risk, and enhancing blood circulation.
Implementation Method 1
each of the two compression/traction mechanisms includes two linear motors with opposite positions
Implementation Method 2
a pressure sensor is arranged at the bottom of each presser and is in communication connection with the first control terminal
Implementation Method 3
when a lifting function is performed, the air pump works, the interior of the presser is under negative pressure, the presser sticks to the chest or abdomen of a patient
Data Source
AI summary
A chest and abdomen coupled cardiopulmonary resuscitation device, including a bottom plate and at least two compression/traction mechanisms, wherein each of the two compression/traction mechanisms includes two linear motors with opposite positions, the axes of the two linear motors are perpendicular to the bottom plate, and the bottoms of the linear motors are in slip connection with the bottom plate; and the tops of the two linear motors are fixedly connected by a connecting mechanism, the bottom of the connecting mechanism is fixedly provided with a presser connected to an air pump, and the presser can move on the connecting mechanism along a direction perpendicular to the sliding direction of the linear motors. The device can be adjusted to the optimal compression frequency, depth and duration according to objective physiological indicators, thereby greatly improving success rate of rescue.