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1. (WO2018042376) METHOD AND SYSTEM FOR THE DETECTION OF THE RESPIRATORY PROFILE OF A PATIENT UNDERGOING NON INVASIVE RESPIRATORY ASSISTANCE BY NASAL CANNULAS OR OTHER INTERFACE

Pub. No.:    WO/2018/042376    International Application No.:    PCT/IB2017/055258
Publication Date: Fri Mar 09 00:59:59 CET 2018 International Filing Date: Sat Sep 02 01:59:59 CEST 2017
IPC: A61M 16/04
A61B 5/03
A61B 5/087
A61M 16/06
A61M 16/08
Applicants: PAPOFF, Paola
MONTECCHIA, Francesco
Inventors: PAPOFF, Paola
MONTECCHIA, Francesco
Title: METHOD AND SYSTEM FOR THE DETECTION OF THE RESPIRATORY PROFILE OF A PATIENT UNDERGOING NON INVASIVE RESPIRATORY ASSISTANCE BY NASAL CANNULAS OR OTHER INTERFACE
Abstract:
System and method for monitoring respiratory quantities during the administration of oxygen at various concentrations by nasal cannulas, in particular by means of an HFNC (High Flow Nasal Cannula) apparatus (100) or a CPAP (Continuous Positive Airway Pressure) apparatus (200), which system and method provide the use of: - a first flow detector (21 or 1021, DPT-A) configured to measure a delivered flow (ΦHFNC_PNT-A or ΦΟΡΑΡ_ΙΠ_ΡΝΤ-Α) of oxygen at different concentrations administered upstream the nasal cannulas (105 or 205); - a second flow detector (22 or 1022, DPT-B) configured to measure a residual flow (ΦMask_PNT-B or ΦΟΡΑΡ_out_ΡΝΤ-Β) that crosses an oro-nasal mask (3) worn above the nasal cannulas (105) of an HFNC apparatus (100) or expiratory branch (206) of the ventilation circuit in the case of a CPAP apparatus (200); - a pharyngeal catheter (4) associated with a pressure transducer (DPT-D) for measuring pharyngeal pressure (Pphar); - an esophagus-gastric catheter (5) associated with two pressure transducers (DPT-E, DPT-F) for measuring the esophageal pressure (PEs) and gastric pressure (PGa); - a catheter associated with a pressure transducer (DPT-C) configured to measure the internal pressure of the oro-nasal mask (3) (PMask) or a circuit catheter (1006) associated with a pressure transducer (DPT-C ) configured to measure the pressure inside the ventilation circuit near the nasal cannulas (205) (PCirc); - an oscilloscope (7); - a processing unit (10 or 1010) for the determination of parameters representative of respiration and/or pulmonary mechanics.