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1. WO2021037722 - HUMIDIFYING A GAS FLOW STREAM

Publication Number WO/2021/037722
Publication Date 04.03.2021
International Application No. PCT/EP2020/073498
International Filing Date 21.08.2020
IPC
A61M 16/16 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
10Preparation of respiratory gases or vapours
14by mixing different fluids, one of them being in a liquid phase
16Devices to humidify the respiration air
A61M 16/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
CPC
A61M 16/0066
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
0057Pumps therefor
0066Blowers or centrifugal pumps
A61M 16/06
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
06Respiratory or anaesthetic masks
A61M 16/0666
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
06Respiratory or anaesthetic masks
0666Nasal cannulas or tubing
A61M 16/16
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
16Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
10Preparation of respiratory gases or vapours
14by mixing different fluids, one of them being in a liquid phase
16Devices to humidify the respiration air
A61M 2205/02
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
2205General characteristics of the apparatus
02characterised by a particular materials
A61M 2205/3606
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
2205General characteristics of the apparatus
36related to heating or cooling
3606cooled
Applicants
  • KONINKLIJKE PHILIPS N.V. [NL]/[NL]
Inventors
  • LOUWSMA, Hendrik, Klaas
  • STOLK, Theodoor
Agents
  • PHILIPS INTELLECTUAL PROPERTY & STANDARDS
Priority Data
19194097.228.08.2019EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) HUMIDIFYING A GAS FLOW STREAM
(FR) HUMIDIFICATION D'UN COURANT GAZEUX
Abstract
(EN)
An apparatus (100) for humidifying a gas flow stream (110) is described. The apparatus comprises a plurality of humidification chambers (114, 116) connected in a sequence to allow the gas flow stream to flow sequentially through the plurality of humidification chambers. Each humidification chamber is configured to contain a liquid (124) over which the gas flow stream can flow. At least one humidification chamber comprises a nozzle (118) that forms the gas flow stream into a gas jet (120) that impinges on a surface (122) of the liquid (124) in each humidification chamber. The humidity level of the gas increases as the gas flow stream flows sequentially through the plurality of humidification chambers.
(FR)
L'invention concerne un appareil (100) d'humidification d'un courant gazeux (110). L'appareil comprend une pluralité de chambres d'humidification (114, 116) reliées en série pour permettre au courant gazeux de s'écouler de manière séquentielle à travers la pluralité de chambres d'humidification. Chaque chambre d'humidification est configurée pour contenir un liquide (124) sur lequel le courant gazeux peut s'écouler. Au moins une chambre d'humidification comprend une buse (118) qui transforme le courant gazeux en un jet de gaz (120) venant percuter une surface (122) du liquide (124) dans chaque chambre d'humidification. Le taux d'humidité du gaz augmente à mesure que le courant gazeux s'écoule de manière séquentielle à travers la pluralité de chambres d'humidification.
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