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1. WO2020109174 - AN IMPROVED SPEAKING VALVE

Publication Number WO/2020/109174
Publication Date 04.06.2020
International Application No. PCT/EP2019/082282
International Filing Date 22.11.2019
IPC
A61M 16/04 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
04Tracheal tubes
CPC
A61M 16/0468
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
04Tracheal tubes
0465Tracheostomy tubes; Devices for performing a tracheostomy; Accessories therefor, e.g. masks, filters
0468with valves at the proximal end limiting exhalation, e.g. during speaking or coughing
Applicants
  • KAPITEX HEALTHCARE LIMITED [GB]/[GB]
Inventors
  • WORTHINGTON, Ian David
  • BRIERLEY, Alexander James
Agents
  • WILSON, Peter David George
Priority Data
1819427.429.11.2018GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) AN IMPROVED SPEAKING VALVE
(FR) VALVE DE PHONATION AMÉLIORÉE
Abstract
(EN)
A speaking valve for use with a tracheostomy and voice prosthesis, that, in a first configuration, allows inspiration and expiration through the valve; and in a second configuration resists expiration. Increasing the pressure difference across the valve by increasing the rate of expiration to a predetermined threshold causes the valve to transition into the second configuration; and the second configuration the valve continues to resist expiration until a predetermined negative pressure difference across the valve causes it to transition back into the first configuration.
(FR)
Une valve de phonation destinée à être utilisée avec une trachéotomie et une prothèse vocale, qui, dans une première configuration, permet l'inspiration et l'expiration à travers la valve; et dans une seconde configuration, résiste à l'expiration. L'augmentation de la différence de pression au niveau de la valve par augmentation de la vitesse d'expiration jusqu'à un seuil prédéterminé amène la valve à passer dans la seconde configuration; dans la seconde configuration, la valve continue à résister à l'expiration jusqu'à ce qu'une différence de pression négative prédéterminée au niveau de la valve l'amène à revenir dans la première configuration.
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