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1. EP0873151 - DUAL-FILTERED ISOLATION VALVE FOR RESUSCITATION

Office
European Patent Office
Application Number 96945105
Application Date 31.12.1996
Publication Number 0873151
Publication Date 28.10.1998
Publication Kind B1
IPC
A61M 16/00
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 16/0048
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
0048Mouth-to-mouth respiration
A61M 2205/7536
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY
2205General characteristics of the apparatus
75with filters
7536allowing gas passage, but preventing liquid passage, e.g. liquophobic, hydrophobic, water-repellent membranes
A61M 16/1065
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
105Filters
106in a path
1065in the expiratory path
A61M 16/107
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
105Filters
106in a path
107in the inspiratory path
Applicants BEPLATE DOUGLAS K
Inventors BEPLATE DOUGLAS K
Designated States
Priority Data 08587805 02.01.1996 US
9620794 31.12.1996 US
Title
(DE) ISOLIERVENTIL MIT DOPPELFILTER FÜR WIEDERBELEBUNG
(EN) DUAL-FILTERED ISOLATION VALVE FOR RESUSCITATION
(FR) VANNE D'ISOLATION A DOUBLE FILTRE UTILISEE EN REANIMATION
Abstract
(EN)
The dual-filtered rotary isolation valve for resuscitation isolates, by filtering, a patient from a provider of care when such provider of care attempts to resuscitate such patient by forcing the provider's breath into the patient's lungs. No prior art device provides filters for all pathways that may be taken by breath exhaled by the care provider and the patient while having a path that would enable the often weak incipient breath of a patient to escape from the patient's lungs to the atmosphere even if the care provider is exhaling at the same time. Breath exhaled by a care provider passes through an upper filter segment (35), a space (388) to retain moisture, a lower filter segment (36), and a check valve (28). The check valve (28) prevents air exhaled by the patient from reaching the care provider, causing the patient's breath to pass through an exhalation filter (23) before reaching the atmosphere.

(FR)
La vanne d'isolation rotative, à double filtre, utilisée en réanimation isole, par un système de filtration, un patient de la personne qui essaie de le réanimer en pratiquant sur lui la respiration artificielle. Aucun dispositif de l'art antérieur ne possède de filtre pour toutes les voies que peuvent emprunter la respiration exhalée par le réanimateur et par le patient tout en disposant d'une voie permettant à la respiration débutante, souvent très faible, du patient de s'échapper de ses poumons pour passer dans l'atmosphère, même lorsque le réanimateur exhale en même temps. La respiration exhalée par le réanimateur passe à travers un segment de filtre supérieur (35), un espace (388) prévu pour retenir l'humidité, un segment de filtre inférieur (36), et une vanne de contrôle (28). Cette dernière vanne empêche l'air exhalé par le patient d'atteindre le réanimateur, ce qui force la respiration du patient à passer à travers un filtre d'exhalation (23) avant d'atteindre l'atmosphère.