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1. WO2006039587 - METHOD AND APPARATUS FOR TREATING CHEYNE-STOKES RESPIRATION

Publication Number WO/2006/039587
Publication Date 13.04.2006
International Application No. PCT/US2005/035362
International Filing Date 29.09.2005
IPC
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 16/0003
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
0003Accessories therefor, e.g. sensors, vibrators, negative pressure
A61M 16/0069
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
0069the speed thereof being controlled by respiratory parameters, e.g. by inhalation
A61M 16/026
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
021operated by electrical means
022Control means therefor
024including calculation means, e.g. using a processor
026specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
A61M 16/0883
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
08Bellows; Connecting tubes
0883Circuit type
A61M 16/101
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
1005with O2 features or with parameter measurement
101using an oxygen concentrator
A61M 2016/0039
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
0003Accessories therefor, e.g. sensors, vibrators, negative pressure
003with a flowmeter
0033electrical
0039in the inspiratory circuit
Applicants
  • RIC INVESTMENTS, LLC [US]/[US] (AllExceptUS)
Inventors
  • KANE, Michael, T.
  • BANN, Susan, L
  • SIIROLA, Rochelle
  • DUFF, Winslow, K.
  • BALOA, Leonardo, A
Agents
  • GASTINEAU, Cheryl, L.
Priority Data
11/235,52026.09.2005US
60/615,32801.10.2004US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND APPARATUS FOR TREATING CHEYNE-STOKES RESPIRATION
(FR) PROCEDE ET APPAREIL DESTINES AU TRAITEMENT DE LA RESPIRATION DE CHEYNE-STOKES
Abstract
(EN)
A system and method for delivering a flow of breathing gas to an airway of a patient. The system monitors a characteristic that varies based on variations of the flow of the breathing gas and determines a Target Flow for the gas to be delivered to the patient based on the monitored characteristic. The Target Flow is set to a level sufficient to treat Cheyne-Stokes respiration or a sleep disordered breathing event. The system also alters the Target Flow based on a determination that the patient is experiencing a sleep disordered breathing event. In a further embodiment, the system determines an apnea detection time (Tapnea) as Tinsp plus a constant, and delivers a machine triggered breath if an amount since the start of inspiration reaches Tapnea. Yet another embodiment, monitors the characteristic during an inspiratory phase of a respiratory cycle, and controls the flow of gas during the inspiratory phase of the respiratory cycle based on a result of this comparison.
(FR)
L'invention porte sur un système et un procédé qui permettent de distribuer un flux de gaz respiratoire aux voies respiratoires d'un patient. Le système surveille une caractéristique qui varie sur la base des variations du flux de gaz respiratoire, et détermine un flux cible du gaz distribué au patient sur la base de la caractéristique surveillée. Le flux cible est réglé à un niveau suffisant pour traiter la respiration de Cheyne-Stokes ou un événement de trouble respiratoire au cours du sommeil. Le système modifie également le flux cible sur la base d'une détermination que le patient est en train de subir un événement de trouble respiratoire au cours du sommeil. Dans un autre mode de réalisation, le système détermine un temps de détection d'apnée (Tapnea) comme un Tinsp plus une constante, et administre une respiration déclenchée par la machine si une quantité calculée depuis le début de l'inspiration atteint Tapnea. Dans encore un autre mode de réalisation, le système surveille la caractéristique pendant une phase d'inspiration du cycle respiratoire, et règle le flux de gaz pendant la phase d'inspiration du cycle respiratoire sur la base du résultat de la comparaison.
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