A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/106, 137/34
A61M 1/00 (2006.01)
Patent
CA 1284073
ABSTRACT A non-mechanical valve and/or filter device which is suitable for use in an apparatus for aspirating body fluids and which comprises a water insoluble, water-absorbent material which, upon contact with water, becomes substan- tially impervious to flow through it of gas and liquid in the wetted regions thereof, the preferred form of said device being a porous rigid structure of sintered particles of poly- ethylene and said water-absorbent material.
513780
Ferri Joseph E.
General Polymeric Corporation
Smart & Biggar
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