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Apparatus and methods for determining and/or monitoring breathing effort of a subject

A respiratory effort, subject-based technique applied in the field of EMG diaphragms that can solve problems that interfere with clinical interpretation, impair EMG performance, and poor retest reproducibility

Active Publication Date: 2021-08-24
KONINKLIJKE PHILIPS NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The main application problem remains the poor test-retest repeatability of EMG measurements
EMG measurements of the same individual obtained at different times can still be affected by intra-individual variability from different sources, which impairs EMG performance and interferes with clinical interpretation

Method used

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  • Apparatus and methods for determining and/or monitoring breathing effort of a subject
  • Apparatus and methods for determining and/or monitoring breathing effort of a subject
  • Apparatus and methods for determining and/or monitoring breathing effort of a subject

Examples

Experimental program
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Effect test

Embodiment Construction

[0063] figure 1 Schematically depicts a subject 50 or patient with an EMG patch 42 on his chest, preferably positioned symmetrically about the sternum at the second intercostal space for measuring parasternal muscle activity . According to the exemplary embodiment, the upper body of subject 50 is placed in the correct position for determining breathing effort, where angle 54 from an axis perpendicular to the ground is 45 degrees.

[0064] figure 2 is a cross-sectional view through an EMG diaphragm that may be used to perform the proposed method and in conjunction with the proposed device 10 . EMG diaphragm 42 has a contact surface that contacts human skin, wherein electrical contact area 44 of diaphragm 42 provides electrical contact with the skin of subject 50 . The diaphragm 42 also has an accelerometer sensor 40 disposed in the center of the diaphragm 42 above and spaced from the electrical contact area 44 . One side of the contact area 44 is presented to the skin of t...

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Abstract

An apparatus and method for determining and / or monitoring breathing effort of a subject are presented. The device includes: a receiving unit, which is used to receive the subject's body position signal, the subject's breathing signal and the subject's myoelectric signal; and a processing unit, which is used to determine the myoelectric signal based on the body position signal and the breathing signal , and the breathing effort is derived based on the determined electromyographic signal.

Description

technical field [0001] The present invention relates to an apparatus and method for determining and / or monitoring breathing effort of a subject. The invention also relates to an electromyography (EMG) patch. In particular, the present invention relates to the measurement of respiratory muscle activity to determine and / or monitor a subject's respiratory effort based on the subject's postural, respiratory and electromyographic signals, thereby improving accuracy of respiratory effort measurements obtained using EMG. stability. Background technique [0002] Detection of respiratory effort is important for assessing and monitoring a variety of conditions including chronic obstructive pulmonary disease (COPD) and asthma. Breathing effort can be measured by a variety of devices including the use of electromyography. [0003] In patients with, for example, COPD or other respiratory diseases, assessment of respiratory muscle activity as an indicator of the balance between respira...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B5/389A61B5/08A61B5/113A61B5/296
CPCA61B5/0816A61B5/113A61B5/6823A61B5/7278A61B5/02438A61B2562/0219A61B2560/0412A61B5/389A61B5/0205A61B5/7203A61B5/296A61B5/6833A61B5/085A61B2562/18A61B2562/0209A61B2562/06
Inventor R·M·M·德克斯S·M·L·德沃特J·范德拉尔A·J·戴维
Owner KONINKLIJKE PHILIPS NV
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