A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
128/107, 230/41,
A61M 1/00 (2006.01)
Patent
CA 1182376
SURGICAL DRAINAGE DEVICE WITH METERED AIR PUMP Abstract of the Disclosure A surgical underwater drainage device is provided for draining fluids from the body of a patient through an inlet tube. A metered air pump is fluidly connected to the inlet tube so as to deliver a metered amount of air to the inlet tube when excess negativity occurs there. A spring biased closed one-way valve in the metered air pump prevents atmos- pheric air from entering the inlet tube except during actu- ation of the metered air pump.
400909
Kurtz Leonard D.
Licausi Joseph M.
Bioresearch Inc.
Fetherstonhaugh & Co.
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