Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-12-03
1981-12-08
Michell, Robert W.
Surgery
Respiratory method or device
Ozone or ion generation
128276, 215307, 220366, A61J 100
Patent
active
043042333
ABSTRACT:
An improved cap is provided for selectively sealing a tube, such as a drain tube, of a suction bag used in medical/surgical suction equipment. The cap is preferably a generally hollow truncated cone, closed at one end and open at the other end to receive the tube. The inner structure of the cap generally defines two chambers. A first chamber has an inside diameter slightly larger than that of the tube. A plurality of axially oriented ribs are disposed on the inside surface of the first chamber to engage in sliding contact with the tube. A raised portion on at least one of the ribs acts as an intermediate stop which defines a first operative position of the cap. In this first operative position, air can pass through the channels defined by the inside of the first chamber wall, the ribs, and the tube. A second chamber has an inside diameter approximately equal to or slightly smaller than that of the tube. The cap is placed in a second operative position when the tube is forced beyond the intermediate stop and into the second chamber. In this second operative position, the cap acts as an air-tight seal for the tube.
REFERENCES:
patent: 2070377 (1937-02-01), Simmons
patent: 2655280 (1953-10-01), Cuttell et al.
patent: 3963027 (1976-06-01), Muriot
patent: 3982539 (1976-09-01), Muriot
patent: 4004590 (1977-01-01), Muriot
patent: 4135515 (1979-01-01), Muriot
patent: 4192428 (1980-03-01), Segmuller
patent: 4202334 (1980-05-01), Elson
patent: 4206852 (1980-06-01), Dunn et al.
Health Technology Laboratories, Inc.
Kruter J. L.
Michell Robert W.
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