Suction drainage apparatus

Details Suction drainage apparatus Suction drainage apparatus

A - Human Necessities

61

M

128/106

A61M 1/00 (2006.01)

Patent

CA 1216208

ABSTRACT OF THE DISCLOSURE A suction drainage system for body cavities includes a suction collection container, and a disposable suction control chamber through which an essentially constant level of suction is applied to a body cavity. Drained fluids flow into the suction collection container, into the suction control chamber through an elastomeric check valve which precludes backflow of fluids to the patient. A pressure monitoring tube in the suction control chamber has a lower end communicating with ambient pressure and an upper end communicating with the interior of the suction control chamber. A ball in the tube rises to a level which is proportional to the negative pressure inside the suction control chamber. The suction control chamber can be removably mounted to the collection container. 31

438868

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