Suction catheter assemblies and valves

Details Suction catheter assemblies and valves Suction catheter assemblies and valves

A - Human Necessities

61

M

A61M 25/00 (2006.01) A61M 1/00 (2006.01) A61M 39/00 (2006.01) F16K 7/06 (2006.01) A61M 16/04 (2006.01)

Patent

CA 2109022

ABSTRACT OF THE DISCLOSURE Closed system suction catheter assemblies have a valve controlling suction applied at the patient end of the assembly. In the present invention, the valve has a pinch tube connected in line with the catheter and secured at each end to the housing of the valve. An occluder bar midway along a pivoted lever is urged up by a spring to pinch the tube closed against a fixed occluder and close the valve. The valve has a button protected by a rotatable guard, which bears on an end of the lever so that the valve can be opened by pressing down on the button. A snap mechanism engages a detent on the occluder lever to give the button a snap action.

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