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US 6,514,232 B1Granted
Vacuum adjustment valve, particularly for thoracic drainage devices
OwnerAndrea Gibertoniinventor
Life of this patent
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Abstract
A vacuum adjustment valve, particularly for thoracic drainage devices, which comprises a valve body arranged in the air intake duct and tuning a first region connected to the intake duct and a second region connected to the drainage device. A regulator is arranged between the regions, is struck by the air stream and is operatively connected to a flow control element which controls a port for connection between the second region and an environment at atmospheric pressure. Adjustable elastic closure elements act on the flow control element.
Claims7
A vacuum adjustment valve, particularly for thoracic drainage devices, comprising:
- an intake duct;
- a drainage device;
- a flow control element, a valve body arranged in said air intake duct and forming a first region, which is connected to said intake duct, and a second region, connected to said drainage device;
- a port for connecting said second region to an environment at atmospheric pressure;
- a regulator being arranged between said two regions, said regulator being provided so as to be struck by an air stream and being operatively connected to said flow control element which controls said port;
- and adjustable elastic closure means acting on said flow control element.
3 more elements
Dependencies are inferred from the claim text.