Automated external defibrillator with shortened pause for rhythm analysis

By using the dual ECG analysis algorithm in automatic external defibrillator, the problem of ECG analysis in the prior art that the 'hand-leave' time is too long caused by stopping CPR, and faster and more accurate ECG analysis is achieved, which improves the recovery success rate.

CN120053884APending Publication Date: 2025-05-30EVEREST ACQUISITION ENTITIES LLC
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Patent Information

Application Number
CN202510128937.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2016-03-30
Filing Date
2017-03-30
Publication Date
2025-05-30

AI Technical Summary

Technical Problem

Existing automatic external defibrillators need to stop CPR when performing ECG analysis, resulting in too long ‘hand departure’, which may reduce the possibility of successful resuscitation.

Method used

Using the dual ECG analysis algorithm method, the first algorithm analyzes ECG in the artifact-free period, and the second algorithm analyzes ECG in the presence of CPR noise artifacts, and reduces the 'hand-leave' time by operating the two algorithms simultaneously and independently.

Benefits of technology

Without affecting the accuracy of the analysis, the ‘hand leave’ time required for ECG analysis is significantly reduced, thereby improving the success rate of resuscitation in patients with cardiac arrest.

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Abstract

An automated external defibrillator (AED) is described that includes two electrocardiogram (ECG) analyzers. One of the ECG analyzers is only applicable to signal-noise-free ECG, and thus may be used during a "hand-off" analysis period in which no cardiopulmonary resuscitation (CPR) compression can be provided. The length of the "hand off" analysis period can be shortened by using the second ECG analyzer in conjunction with the first ECG analyzer. As a result, a greater proportion of CPR time is achieved throughout the course of cardiac arrest rescue.
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