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Publication of BE561074ApublicationCriticalpatent/BE561074A/xx
A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
A61M1/71—Suction drainage systems
A61M1/78—Means for preventing overflow or contamination of the pumping systems
A61M1/782—Means for preventing overflow or contamination of the pumping systems using valves with freely moving parts, e.g. float valves