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System and method for generating electrophysiology maps

一种电位、电信号的技术，应用在电生理标绘领域，能够解决程序复杂性增加、快速性和容易性增加等问题

Inactive Publication Date: 2016-05-04
ST JUDE MEDICAL CARDILOGY DIV INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as the complexity of such procedures increases, the electrophysiological maps used must increase in quality, in density, and in the rapidity and ease with which they can be generated.

Method used

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  • System and method for generating electrophysiology maps
  • System and method for generating electrophysiology maps
  • System and method for generating electrophysiology maps

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Embodiment Construction

[0020] The present disclosure provides methods, devices, and systems for creating electrophysiological maps (eg, electrocardiograms). For purposes of illustration, several exemplary embodiments will be described in detail herein in the context of cardiac electrophysiological procedures. It is contemplated, however, that the methods, devices, and systems described herein may be used in other contexts.

[0021] figure 1 Displays electrical signals for cardiac electrophysiological studies by navigating a cardiac catheter and measuring electrical activity occurring in the heart 10 of a patient 11 and three-dimensionally plotting the electrical activity and / or information related to or indicative of such measured electrical activity. Schematic representation of the physiological system 8. System 8 may be used, for example, to create an anatomical model of a patient's heart 10 using one or more electrodes. The system 8 may also be used to measure electrophysiological data at mult...

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Abstract

A method of mapping cardiac electrical activity includes the acquisition of electrophysiological signals and using signal processing hardware to process such signals to identify lateness attributes thereof. If the lateness attribute exceeds a lateness threshold, then the corresponding point on the patient's heart can be designated as a therapy (e.g., ablation) target. It is also contemplated to use an upper bound on the lateness threshold, such that the corresponding point on the patient's heart is only designated as a therapy target if the lateness attribute both exceeds the lateness threshold and does not exceed the lateness bound. Both late activation ("Late-A") and late potential ("Late-P") attributes are contemplated.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of US Provisional Application No. 61 / 888,719, filed October 9, 2013, which is hereby incorporated by reference as if fully set forth herein. Background technique [0003] The present disclosure relates to electrophysiological mapping, such as may be performed in cardiac diagnostic and therapeutic procedures. In particular, the present disclosure relates to systems, devices, and methods for generating electrophysiological maps from data collected by electrophysiological probes (eg, contact or non-contact mapping catheters). [0004] Electrophysiological mapping, and more particularly electrocardiographic mapping, is part of many cardiac diagnostic and therapeutic procedures. However, as the complexity of such procedures increases, the electrophysiological maps used must increase in quality, in density, and in the rapidity and ease with which they can be generated. Contents of the inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/042A61B18/14A61B5/0464A61B5/00A61B5/364A61B5/296A61B5/363
CPCA61B5/743A61B18/1492A61B2018/00577G16H50/50A61B5/283A61B5/287A61B5/363A61B5/364
Inventor D·C·德诺
Owner ST JUDE MEDICAL CARDILOGY DIV INC
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