Surgery – Means for introducing or removing material from body for... – Gas application
Patent
1984-12-24
1986-11-25
Recla, Henry J.
Surgery
Means for introducing or removing material from body for...
Gas application
604289, A61M 100
Patent
active
046246568
ABSTRACT:
A hyperbaric gas treatment device applicable to any part of the body for therapeutic topical treating of a skin lesion at the body part. A resilient pad is provided with a central opening therethrough in its thickness direction whose periphery at one major pad surface registers with the periphery of a hole provided through gas-impervious transparent flexible sheet material which encases the pad. The pad casing is hermetically penetrated by a gas inlet fitting arranged to discharge treating gas into the central opening either directly, by extending laterally through the pad to pierce the wall of the opening, or indirectly, by extending between the casing and a peripheral surface portion of the pad so as to communicate with the opening by way of paths between the casing and the pad periphery which link with paths between the casing and at least one of the major pad surfaces. In use, the encased pad is yieldably pressed against the body part with the casing hole periphery circumscribing the lesion, and pure oxygen from a regulated source connected to the inlet fitting enters the central opening of the pad to impinge at hyperbaric pressure upon the lesion and escape to atmosphere past the casing hole periphery in paths it dynamically establishes between the body part and the pad casing. Similarly operative embodiments of the device include those in which the pad casing is omitted, the central opening is only partially through the pad, and a second gas fitting is dedicated to internal pad pressure indication and relief.
REFERENCES:
patent: 2837090 (1958-06-01), Bloom et al.
patent: 3026874 (1962-03-01), Stevens
patent: 3137295 (1964-06-01), Stansfield
patent: 3167070 (1965-01-01), Silverman
patent: 3258011 (1966-06-01), Goodman
patent: 4024862 (1977-05-01), Collins
patent: 4122552 (1978-10-01), Tedford
patent: 4480638 (1984-11-01), Schmid
Clark David W.
Jablonsky George J.
Hospitak, Inc.
Recla Henry J.
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