Wearable cardioverter defibrillator components discarding ECG signals prior to making shock/no shock determination

a cardioverter and component technology, applied in the field of wearable cardioverter defibrillators, can solve the problems of increasing the risk of sca and sca, and sca can lead to death very quickly, and achieve the effect of improving the chance of being corr

Inactive Publication Date: 2015-11-19
WEST AFFUM HLDG
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0009]An advantage over the prior art is that the shock/no shock determination can be made with better information, and therefore have a better chance of being correct for the occasion. Th

Problems solved by technology

SCA can lead to death very quickly, e.g. within 10 minutes, unless

Method used

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  • Wearable cardioverter defibrillator components discarding ECG signals prior to making shock/no shock determination
  • Wearable cardioverter defibrillator components discarding ECG signals prior to making shock/no shock determination
  • Wearable cardioverter defibrillator components discarding ECG signals prior to making shock/no shock determination

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Embodiment Construction

[0020]As has been mentioned, the present description is about components of wearable cardiac defibrillator systems, software, and methods. Embodiments are now described in more detail.

[0021]A wearable cardiac defibrillator (WCD) system made according to embodiments has a number of components. These components can be provided separately as modules that can be interconnected, or can be combined with other components, etc.

[0022]A component of a WCD system can be a support structure, which is configured to be worn by the patient. The support structure can be any structure suitable for wearing, such as a harness, a vest, one or more belts, another garment, and so on. The support structure can be implemented in a single component, or multiple components. For example, a support structure may have a top component resting on the shoulders, for ensuring that the defibrillation electrodes will be in the right place for defibrillating, and a bottom component resting on the hips, for carrying th...

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Abstract

Components of wearable cardiac defibrillator (WCD) systems, software, and methods are provided. A WCD system includes a support structure that a patient can wear and electrodes that can capture at least two of the patient's ECG signals. A component includes an energy storage module that can store an electrical charge, a discharge circuit, and a processor that can make a shock/no shock determination, and cause the discharge circuit to discharge the stored charge, if the determination is to shock. In some embodiments, the processor discards at least one of the ECG signals prior to making the shock/no shock determination. The determination can be made from the remaining one or more ECG signals. In some embodiments, the processor makes an aggregate shock/no shock determination from two or more of the ECG signals.

Description

CROSS REFERENCE TO RELATED PATENT APPLICATIONS[0001]This patent application claims priority from U.S. Provisional Patent Application Ser. No. 61 / 992,841, filed on May 13, 2014, the disclosure of which is hereby incorporated by reference for all purposes.BACKGROUND[0002]When people suffer from some types of heart arrhythmias, the result may be that blood flow to various parts of the body is reduced. Some arrhythmias may even result in a Sudden Cardiac Arrest (SCA). SCA can lead to death very quickly, e.g. within 10 minutes, unless treated in the interim.[0003]Some people have an increased risk of SCA. People at a higher risk include individuals who have had a heart attack, or a prior SCA episode. These people receive the recommendation to receive an Implantable Cardioverter Defibrillator (“ICD”). The ICD is surgically implanted in the chest, and continuously monitors the person's electrocardiogram (“ECG”). If certain types of heart arrhythmias are detected, then the ICD delivers an e...

Claims

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Application Information

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IPC IPC(8): A61N1/39A61N1/02A61B5/363
CPCA61N1/025A61N1/3987A61N1/3918A61N1/0484A61B5/7221A61B5/6805A61N1/3904A61B5/363A61N1/046A61N1/3925
Inventor SULLIVAN, JOSEPH L.MARX, JR., ROBERT P.FINCH, DAVID P.
Owner WEST AFFUM HLDG
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