Surgery – Respiratory method or device – Ozone or ion generation
Patent
1979-01-26
1981-02-17
Michell, Robert W.
Surgery
Respiratory method or device
Ozone or ion generation
128154, 128350R, 128297, A61F 544, A61F 1300
Patent
active
042508827
ABSTRACT:
A drainage device for attachment to a portion of the skin of an individual is provided. The device comprises a flange which sealingly engages the skin and has an opening therein to overlie a wound in the skin tissue. A ring member having a channel formed therein is mounted on a side of the flange opposite that side of the flange engaging the skin. A locking clip is connected to the ring member and extends laterally between portions thereof. A drainage strip is releasably held in the locking clip and inserted into the wound so that drainage of the wound occurs. A removable cover member grippingly engages the outer wall of the ring member to prevent the drainage from escaping the confines of the device.
REFERENCES:
patent: 2305289 (1942-12-01), Coburg
patent: 2441508 (1948-05-01), Porcell
patent: 2524750 (1950-10-01), Bellinger
patent: 2869548 (1959-01-01), Mason
patent: 3483868 (1969-12-01), Marsan et al.
patent: 3865109 (1975-02-01), Elmore
patent: 3954105 (1976-05-01), Nordby et al.
patent: 4159720 (1979-07-01), Burton
Krutor J. L.
Medical Dynamics, Inc.
Michell Robert W.
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