Air leak detection system for chest fluid collection bottles...

Details Air leak detection system for chest fluid collection bottles... Air leak detection system for chest fluid collection bottles...

A - Human Necessities

61

M

128/106

A61M 1/00 (2006.01)

Patent

CA 1191061

IMPROVED AIR LEAK DETECTION SYSTEM FOR CHEST FLUID COLLECTION BOTTLES AND BLOW-OUT PREVENTION BAFFLE THEREFOR ABSTRACT OF THE DISCLOSURE This invention relates to an improved chest fluid drainage bottle of the type having a fluid collection chamber connectable to receive fluid sucked from the patient's chest, the improvement consisting of an improved air leak detection system characterized by a fluid filled U-tube downstream of the air space overlying the fluid collecting chamber cooperating therewith to define an air leak detector substantially insensitive to small intermittent variations in upstream pressure while, at the same time, providing an observer with a reliable visual indication of a continuous upstream leak. The improvement also encompasses an anti-splash baffle adjacent the outlet of the U-tube effective to prevent the fluid therein from leaving same and, perhaps, entering the vacuum system upon the application of larger than normal intermittent upstream positive pressure surges.

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