Liquid drainage system with a guidable valve element

Details Liquid drainage system with a guidable valve element Liquid drainage system with a guidable valve element

1983-02-09

1985-04-16

Rosenbaum, C. Fred

Surgery

Means and methods for collecting body fluids or waste material

Material collector or receptacle having attaching means to...

604335, 604350, A61M 100

Patent

active

045113572

ABSTRACT:
A liquid drainage system comprising, a receptacle having a chamber to receive liquid, and a depending annular wall defining a valve seat at a lower portion thereof and an opening in the region of the seat. The system has a valve element comprising a sheet of flexible relatively stiff material being sufficiently large to extend across the opening and sealingly engage against the seat peripherally around the wall. The system has a device for retaining a central portion of the valve element adjacent the seat.

REFERENCES:
patent: 3245669 (1966-04-01), Huggins et al.
patent: 3586041 (1971-06-01), Monestere
patent: 3965900 (1976-06-01), Boedecker
patent: 3968925 (1976-07-01), Johnston
patent: 4254771 (1981-03-01), Vidal
patent: 4305404 (1981-12-01), Dunn

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