Method and system to calculate quantitative EEG

A processor, electrode technology, used in applications, diagnostic recording/measurement, medical science, etc., to solve problems such as unavailability, huge continuous monitoring, and difficult to observe types of relative changes

Inactive Publication Date: 2015-12-23
PERSYST DEV
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  • Abstract
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  • Application Information

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Problems solved by technology

[0039] However, the barriers to continuous monitoring are formidable
First, continuous monitoring of raw EEG signals is very labor-intensive
Second, the patterns of small relative changes that reflect stroke are very difficult to observe, especially when presented with as little as ten seconds of data at a time
Of course, this is problematic when producing graphical re

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  • Method and system to calculate quantitative EEG
  • Method and system to calculate quantitative EEG
  • Method and system to calculate quantitative EEG

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Embodiment Construction

[0057] exist figure 1 An image 100 of a quantitative EEG ("qEEG") is shown in FIG. The method and system allow for the generation of qEEG from artifact-reduced EEG recordings without removing portions of the EEG recording to prevent artifacts from affecting the qEEG.

[0058] figure 2 A system 20 for computing quantitative EEG is illustrated. The patient 15 wears an electrode cap 31 comprising a plurality of electrodes 35a-35c attached to the patient's head, wherein a wire 38 connects from the electrode 35 to an EEG machine part 40, the EEG machine part 40 An amplifier 42 is included for amplifying the signal to a computer 41 having a processor for analyzing the signal from the electrodes 35 and generating an EEG recording 51 and qEEG which can be viewed on a display 50 . A more detailed description of the electrodes utilized in the present invention is detailed in "a Method And Device For Quick Press On EEG Electrode," US Patent No. 8,112,141 to Wilson et al., which is in...

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Abstract

A system (20) and method (600) for calculating a quantitative EEG is disclosed herein. EEG signals are generated from an EEG machine (40) comprising electrodes (35), an amplifier (42) and processor (41). The EEG signals are processed continuously for artifact reduction to generate continuous artifact reduced EEG data. A quantitative EEG is computed using continuous artifact reduced EEG data in near real time.

Description

technical field [0001] The present invention generally relates to methods and systems for calculating quantitative EEG. Background technique [0002] An electroencephalogram ("EEG") is a diagnostic tool that measures and records the electrical activity of a person's brain in order to evaluate brain function. Multiple electrodes are attached to the person's head and connected to the machine by wires. The machine amplifies the signal and records the electrical activity of the person's brain. Electrical activity is generated by summing neural activity over multiple neurons. These neurons generate small voltage fields. The concentration of these voltage fields produces electrical readings that electrodes on the person's head can detect and record. EEG is the superposition of multiple simpler signals. In a normal adult, the amplitude of the EEG signal typically ranges from 1 microvolt to 100 microvolts, and is approximately 10 millivolts to 20 millivolts when measured with s...

Claims

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Application Information

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IPC IPC(8): A61B5/0476
CPCA61B5/7214A61B5/7282A61B5/374A61B5/291
Inventor N·尼尔恩伯格S·B·威尔森M·L·朔伊尔
Owner PERSYST DEV
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