Vacuum drainage bottle

A - Human Necessities – 61 – M

Patent

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128/106

A61M 1/00 (2006.01)

Patent

CA 1174930

J&J 1049 ABSTRACT OF THE DISCLOSURE Vacuum Drainage Bottle A vacuum drainage bottle includes a chamber for receiving fluids from a patient and a pressure indicator (9,21) for measuring the pressure in the chamber. Prior to use, the pressure indicator is isolated from the chamber by means of a breakable seal. The seal may be in the form of a recessed membrane (43), which may be ruptured by depressing the pressure indicator, causing a ball (45) to bear against the membrane (43).

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