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A device and relative method for determining extrapyramidal symptoms, in particular motor symptoms of parkinson's disease

A Parkinson's disease, motion state technology, applied in applications, medical science, sensors, etc., can solve problems such as technical problems, differentiation, and activity confusion that cannot be completely solved

Inactive Publication Date: 2019-11-22
路易吉巴蒂斯塔
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Consequently, many of these proposed estimates and symptoms do not really differentiate between motor activity resulting from parkinsonism and extrapyramidal symptoms and motor activity from spontaneous movements performed by the patient on a regular basis
In addition, different parkinsonian symptoms also have frequency intervals that often may overlap with each other, so when trying to distinguish between one symptom and another, only estimating the frequency content is not always sufficient
[0010] Ultimately, simple spectral analysis of frequencies does not fully resolve technical issues, so measurements run the risk of confusing normal activity with disease-induced activity

Method used

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  • A device and relative method for determining extrapyramidal symptoms, in particular motor symptoms of parkinson's disease
  • A device and relative method for determining extrapyramidal symptoms, in particular motor symptoms of parkinson's disease
  • A device and relative method for determining extrapyramidal symptoms, in particular motor symptoms of parkinson's disease

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Embodiment Construction

[0124] figure 1 A flow chart is shown showing the steps of determining the patient's activity and thus the patient's kinetic state.

[0125] Specifically, a method for identifying the state of movement (motor, motor nerve, motor muscle) to estimate the existence of possible movement disorders is proposed, which includes the following steps:

[0126] - detection of signals containing information about the movement of body limbs and other parts of the patient's body 02;

[0127] - Preprocessing 04 of such signals to limit frequency bands, reduce artifacts and compensate for offsets in output signals from multi-axis measurement systems;

[0128] - frequency analysis and spectral processing of the signal with regard to identifying the frequency content of the detected signal and the detected frequency content in each axis of the multi-axis measurement system 06;

[0129] - Handle 08 above signal to execute:

[0130] - with respect to the identification of motor states similar t...

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Abstract

The present invention refers to a method, and a related device, which determines a kinetic state of a subject and includes the following operations: the determination of a signal indicative of the acceleration trend (ax, ay, az) on the three Cartesian axes (X, Y, Z); the signal processing to limit the frequency band and preferably reduce artifacts and compensate the offset of the output signals from the multi-axial measurement system; the frequency analysis and spectral analysis through the transformation of the signal with the Fournier transform; the computation of the power spectral density(E) for each axis (Sx, Sy, Sz); and in which a comparison is made between said power spectral density (E) with a characteristic pattern of a movement.

Description

technical field [0001] The present industrial invention relates to methods and related devices for continuous and long-term monitoring of motor symptoms caused by Parkinson's disease, parkinsonism and extrapyramidal symptoms. [0002] In particular, the present invention relates to an innovative device and associated method that allow continuous monitoring of extrapyramidal symptoms and their association with Parkinson's disease and parkinson's paralysis by accurately distinguishing various motor symptoms from the routine activities performed by the patient on a daily basis. symptoms associated with motor symptoms, with the potential to quantify the effects caused by various motor symptoms. Background technique [0003] Parkinson's disease is the second most common neurodegenerative disease. The disease is estimated to affect approximately 250,000 patients in Italy, 1.2 million patients in Europe and 20 million patients worldwide. The main symptoms of Parkinson's disease a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B5/00A61B5/11
CPCA61B5/7246A61B5/1101A61B5/1114A61B5/1121A61B5/4082A61B5/681A61B2562/0219A61B5/7257
Inventor 路易吉·巴蒂斯塔
Owner 路易吉巴蒂斯塔
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