Surgery – Means and methods for collecting body fluids or waste material – Aspiration collection container or trap
Patent
1987-08-06
1989-12-26
Jones, Larry
Surgery
Means and methods for collecting body fluids or waste material
Aspiration collection container or trap
604320, 604321, 604324, A61M 100
Patent
active
048895318
ABSTRACT:
A pressure regulator including high and low pressure chambers separated by a divider having an opening, a closing member biassed to a closing position for closing the opening with a biassing force according to a desired pressure differential between the chambers, and a damping device for damping the resulting force on the closing member. There is also disclosed a fluid drainage system having a suction chamber with a suction regulator, and various arrangements of diaphragms for measuring pressure differentials. An anti-spill device for the draining system is disclosed as well.
REFERENCES:
patent: 3548827 (1970-12-01), Abel
patent: 3863671 (1975-02-01), Heimann
patent: 4324243 (1982-04-01), Helfgott et al.
patent: 4533353 (1985-08-01), Akiyama
patent: 4544370 (1985-10-01), Elliott et al.
patent: 4642093 (1987-02-01), Harle
patent: 4704106 (1987-11-01), Shane et al.
"Vacuum Regulator for Cardiotomy Return and Chest Drainage Systems, "Journal of Thoracic and Cardiovascular Surgery, Vol. 39, No. 2, Feb. 1960.
D'Antonio Nicholas F.
D'Antonio Nicholas J.
Hochberg D. Peter
Jones Larry
Kusner Mark M.
Pfizer Hospital Products Group Inc.
Weisz Louis J.
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