| 摘要 |
A portable, closed circuit, disposable device for post operatory surgical suction which comprised a bellows-shaped body receptacle for suctioned fluids, a threaded neck located on the upper surface of said bellows-shaped body suitable to receive a threaded cap; said cap being provided with a suction tube system connected through said cap into the bellows-shaped body, and said system of tubes is provided with a check-valve, wherein said bellows-shaped body is provided with a cannula in its lower surface, having a nearly rectangular longitudinal section, having a lower end wall, wherein the side wall of said cannula is provided with at least one opening located in a position close to said lower end wall of said cannula; where an elastic tube, with a longer extension than said cannula, is introduced under pressure in said cannula in order to close the at least one opening of said cannula, and wherein a tube of rigid or semi-rigid material is introduced in said cannula, fixing the elastic tube between its interior side wall and the exterior side wall of said cannula.
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