Ventilator for intensified breathing and valve in patient condui

Details Ventilator for intensified breathing and valve in patient condui Ventilator for intensified breathing and valve in patient condui

1998-07-02

2000-11-21

Weiss, John G.

Surgery

Respiratory method or device

Means for supplying respiratory gas under positive pressure

12820418, 12820421, A61M 1600

Patent

active

06148816&

ABSTRACT:
The invention relates to a ventilator for intensified breathing, whereby a restrictor valve for an over-pressure in the system, a valve allowing breathing from the atmosphere and a directional valve for inhalation are combined to provide a single safety valve (21) arranged in a gas mixture and inhalation conduit assembly (7, 8), said safety valve being arranged to be controlled by an electric control system (26) of the ventilator. The invention also relates to a valve of the above type.

REFERENCES:
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patent: 4838257 (1989-06-01), Hatch
patent: 5273031 (1993-12-01), Olsson et al.
patent: 5315989 (1994-05-01), Tobia
patent: 5596984 (1997-01-01), O'Mahony et al.
patent: 5791339 (1998-08-01), Winter
patent: 5848591 (1998-12-01), Weismann
patent: 5875777 (1999-03-01), Eriksson
patent: 5954051 (1999-09-01), Heinonen et al.
Single Use Anaesthetic Breathing System Uses Adjustable Pressure Limiting Valve, Design Engineering, May 1, 1990, pp. 32, 35; XP000128772.

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