Surgery – Means and methods for collecting body fluids or waste material – Material collector or receptacle having attaching means to...
Patent
1983-02-10
1984-12-25
Rosenbaum, C. Fred
Surgery
Means and methods for collecting body fluids or waste material
Material collector or receptacle having attaching means to...
604335, 604350, A61F 544
Patent
active
044901445
ABSTRACT:
A liquid drainage system comprising, a receptacle having a chamber to receive liquid, a depending annular wall defining a valve seat at a lower portion thereof and an opening in the region of the seat, and a retainer assembly extending across the opening and having an aperture extending therethrough in the opening. The system has a valve element of elastic material comprising a disc being sufficiently large to extend across the opening and sealingly engage against the seat peripherally around the wall. The valve element has a stem extending from the disc and being slidably received in the aperture. The stem has a boss spaced from the disc with dimensions larger than the aperture such that the boss maintains the stem in the aperture. The stem has a sufficient length between the boss and disc such that the disc is spaced from the seat when the boss engages against the retainer assembly.
REFERENCES:
patent: 882831 (1908-03-01), Matthes et al.
patent: 3066696 (1962-12-01), Hansley
patent: 3529599 (1970-09-01), Folkman
patent: 4334537 (1982-06-01), Peterson
Kruter J. L.
Rosenbaum C. Fred
Sprunger Powell L.
The Kendall Company
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