Surgery – Respiratory method or device – Ozone or ion generation
Patent
1976-10-07
1978-09-05
Michell, Robert W.
Surgery
Respiratory method or device
Ozone or ion generation
A61M 100
Patent
active
041112040
ABSTRACT:
A suction collection system embodying a disposable drainage receiving assembly including a flexible plastic bag sealed to and depending from a lid for positioning within a rigid canister, the open upper end of the canister being sealed by the lid. The lid includes a drainage fixture communicating with the interior of the bag. A suction fixture, also on the lid, communicates with the canister exteriorly of the bag and with the interior of the bag through a restricted fluid path. The suction fixture communication with the canister exteriorly of the bag can be either direct or through a well having a fluid path to the exterior of the bag and a set of apertures opening into the bag. An air pervious-liquid impervious path is orientated solely between the suction fixture and the interior of the bag for an exclusion of liquid and a slight restriction of air flow relative to the flow from the canister exteriorly of the bag. A seal, either a liquid level responsive disc or a compressible tube, will, upon the introduction of a sufficient level of liquid within the bag, terminate communication between the suction fixture and the interior of the bag.
REFERENCES:
patent: 2730282 (1956-01-01), Bonner
patent: 2784717 (1957-03-01), Thompson
patent: 3575170 (1971-04-01), Clark
patent: 3601119 (1971-08-01), Engelsher
patent: 3602223 (1971-08-01), Engelsher
patent: 3683894 (1972-08-01), Villari
patent: 3704709 (1972-12-01), Sorenson et al.
patent: 3814098 (1974-06-01), Deaton
patent: 3982538 (1976-09-01), Sharpe
patent: 3982539 (1976-09-01), Muriot
C. R. Bard Inc.
Michell Robert W.
Millin V.
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