WO2023095029 - METHODS AND SYSTEMS OF CALIBRATING RESPIRATORY MEASUREMENTS TO DETERMINE FLOW, VENTILATION AND/OR ENDOTYPES
National phase entry:
Publication Number
WO/2023/095029
Publication Date
01.06.2023
International Application No.
PCT/IB2022/061348
International Filing Date
23.11.2022
Title **
[English]
METHODS AND SYSTEMS OF CALIBRATING RESPIRATORY MEASUREMENTS TO DETERMINE FLOW, VENTILATION AND/OR ENDOTYPES
[French]
PROCÉDÉS ET SYSTÈMES D'ÉTALONNAGE DE MESURES RESPIRATOIRES AFIN DE DÉTERMINER UN DÉBIT, UNE VENTILATION ET/OU DES ENDOTYPES
Applicants **
NOX MEDICAL EHF
Inventors
HÖSKULDSSON, Sveinbjörn
FINNSSON, Eysteinn
ÁGÚSTSSON, Jón Skírnir
Priority Data
63/282,375
23.11.2021
US
Application details
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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Send the Letters Patent by Courier
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2746 | |
| EPO | Filing, Examination, Granting | 12954 | |
| Japan | Filing, Examination, Granting | 2337 | |
| South Korea | Filing, Examination, Granting | 2350 | |
| USA | Filing, Examination, Granting | 5790 |
Total:
26,177
The term for entry into the National Phase has expired. This quotation is for informational purposes only
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Abstract[English]
Methods, systems, and devices are provided for determining a respiratory flow, ventilation, and/or endotypes from Respiratory Inductance Plethysmography (RIP) signals. The method includes receiving data of a thoracic signal of a first RIP belt arranged proximate with a thorax of a subject, receiving data of an abdomen signal of a second RIP belt, and determining a respiratory flow of the subject based on the data of the thoracic signal and the data of the abdomen signal. Determining the respiratory flow includes two or more calibrations, including performing a first calibration by applying a first calibration coefficient that relates an amplitude of a differential change in the thoracic signal to an amplitude of a differential change in the abdomen signal to obtain a determined respiratory flow, and performing a second calibration on the determined respiratory flow that corrects for a non¬ linearity in the determined respiratory flow.[French]
L'invention concerne des procédés, des systèmes, et des dispositifs permettant de déterminer un débit, une ventilation, et/ou des endotypes à partir de signaux de pléthysmographie à inductance respiratoire (RIP). Le procédé consiste à recevoir des données d’un signal thoracique d’une première ceinture RIP disposée près du thorax d’un sujet, à recevoir des données d’un signal d’abdomen d’une seconde ceinture RIP, et à déterminer un débit respiratoire du sujet sur la base des données du signal thoracique et des données du signal d’abdomen. La détermination du débit respiratoire comporte deux étalonnages ou plus, consistant à réaliser un premier étalonnage en appliquant un premier coefficient d'étalonnage qui relie une amplitude d’un changement différentiel dans le signal thoracique à une amplitude d’un changement différentiel dans le signal d’abdomen afin d'obtenir un débit respiratoire déterminé, et à réaliser un second étalonnage sur le débit respiratoire déterminé qui corrige une non-linéarité dans le débit respiratoire déterminé.