Siphon control device

Details Siphon control device Siphon control device

1987-01-29

1989-01-03

Truluck, Dalton L.

Surgery

Means and methods for collecting body fluids or waste material

137510, 604247, A61M 2700

Patent

active

047954370

ABSTRACT:
A subcutaneously implantable siphon control device is provided for use in a physiological shunt system including a proximal catheter, a flow control valve and a distal catheter. The siphon control device limits fluid flow through the shunt system due to the siphoning effect of hydrostatic pressure created by the elevation of the proximal catheter inlet with respect to the distal catheter outlet. The siphon control device includes, generally, a base having an inlet typically placed in fluid communication with an outlet of the flow control valve, and an outlet typically placed in fluid communication with the distal catheter, and a housing for the base which, in connection with the base, defines a fluid flow pathway between the inlet and the outlet. The base provides a wall having substantially parallel upper and lower seating surfaces, which separates the inlet from the outlet. A pair of spaced, substantially parallel, flexible and elastic diaphragms having inner and outer surfaces are provided by the housing, and are situated on opposite sides of the wall to position a portion of each inner surface in contact with an adjacent one of the seating surfaces.

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