ACD CPR Chest Compression Feedback for Phase Transition Control
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Solution Overview
Problem
Existing CPR methods lack effective systems to optimize chest compressions during cardiopulmonary resuscitation, particularly in managing the active compression-decompression phases to enhance blood flow and minimize injury risk.
Innovation Solution
A system comprising an applicator device, sensors, and processors to provide phase-specific feedback for active compression-decompression (ACD) CPR, including motion and force sensors to detect transition points and generate feedback signals for optimal compression and decompression phases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional chest compressions are performed without phase-specific feedback, then the operation is simple, but the blood flow optimization and therapeutic outcome are insufficient
Solution Approach 1:
The patent implements a feedback system that provides real-time information to rescuers about compression depth, rate, and phase transitions. Sensors detect chest wall motion and provide feedback signals to guide the rescuer in optimizing compression techniques, directly improving therapeutic outcomes through informed adjustment of CPR parameters.
Solution Approach 2:
The patent replaces manual monitoring and estimation of compression quality with electronic sensors and processing systems. Accelerometers, gyroscopes, and other sensors automatically detect compression parameters and phase transitions, substituting human judgment with precise mechanical measurement systems.
2Productivity
If active compression decompression (ACD) therapy is applied to enhance blood flow, then circulation improvement is achieved, but the risk of chest wall injury increases
Solution Approach 1:
The system provides real-time feedback on compression depth, velocity, and phase transitions, enabling rescuers to optimize the balance between achieving effective blood flow enhancement and avoiding excessive forces that could cause chest wall injury. The feedback loop allows continuous adjustment to maintain therapy within safe parameters.
Solution Approach 2:
The patent dynamically adjusts therapy parameters based on real-time detection of chest wall response and phase transitions. The system adapts compression depth, rate, and decompression timing to individual patient characteristics and ongoing physiological response, optimizing blood flow while minimizing injury risk through continuous parameter modulation.
3Manufacturing precision
If phase-specific feedback is provided during ACD CPR, then compression optimization is improved, but the device complexity and cost increase
Solution Approach 1:
The patent segments the CPR cycle into distinct phases (compression, decompression, transition) and provides specific feedback for each phase. Sensors detect phase transitions separately and provide tailored guidance for compression depth/velocity during compression phase and decompression velocity during decompression phase, achieving precise phase-specific optimization through divided control.
Solution Approach 2:
The system uses multi-functional sensors that simultaneously measure multiple parameters (acceleration, velocity, position, phase transitions) with a single device assembly. The processing system integrates multiple functions including phase detection, parameter measurement, feedback generation, and protocol management, reducing overall system complexity through functional integration.
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 blood flow by actively managing chest compressions, reducing the risk of injury, and optimizing therapeutic outcomes through phase-specific feedback.
Implementation Method 1
The motion sensor can include one or more accelerometers configured to detect an acceleration signal associated with the displacement of the at least the portion of the patient's chest
Implementation Method 2
The force sensor can measure the at least one parameter related to the ACD CPR treatment
Data Source
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AI summary
Systems and methods related to the field of cardiac resuscitation, and in particular to devices for assisting rescuers in performing cardio-pulmonary resuscitation (CPR) are described herein. The system includes an applicator device configured to provide ACD CPR treatment to a patient's chest according to a plurality of phases at least one sensor configured to be coupled to the patient's chest and to measure at least one parameter related to the ACD CPR treatment and information for determining whether at least one transition point of the ACD CPR treatment has been reached; and one or more processors configured to provide a feedback signal based on a parameter for administering ACD CPR treatment to the patient's chest according to a desired treatment protocol.