Patent ID: 6811142
Filing Date: 2004-11-02
Classification: A61M

Abstract:
A valve device for a closed system for endotracheal aspiration of a patient via a catheter, said valve device comprises:a wall with an opening and a valve received in said opening, said wall and said valve together defining a valve housing and said valve being adapted to seal said opening; a first flow passage, whereby said valve housing can be connected to said catheter; a second flow passage, whereby said valve housing can be connected to a vacuum source; said valve having a valve body movable within said valve housing along an axis from a first position engaging a valve seat formed opposite said opening, in said first position the first and the second flow passages are separated from each other, to a second position wherein said first and said second flow passages are connected to each other; a manually operated actuator button for the valve, wherein said actuator button is configured for being movable between a first position and a second position; a coupling engaging said valve body and said actuator button for transmitting said movement of the actuator button to the valve, said coupling extending exteriorly relative to the valve housing; said valve including a flexible membrane which spans over said opening and which is connected to said valve body and the wall, respectively, and a spring device acting on said valve body, wherein said valve body is located closer to said opening in said second position, said flexible membrane permitting said movement of said valve body towards said opening to connect said first and said second flow passages, and wherein said spring device is adapted to bias said valve body towards said first position.