Surgery – Respiratory method or device – Including body or head supported means covering user's scalp
Patent
1977-03-25
1979-11-13
Recla, Henry J.
Surgery
Respiratory method or device
Including body or head supported means covering user's scalp
128186, A61M 1500
Patent
active
041739779
ABSTRACT:
An aerosol interface comprises a housing defining a fluid receiving chamber in open communication with the atmosphere, with inlet means operatively associated with the housing for permitting continuous delivery to the chamber of a flow of an aerosol fluid so as to obtain an accumulation of the aerosol fluid therein for inhalation by a patient using the aerosol interface. Breath transmission means, operatively associated with the housing, has a passageway therethrough defined by an inner end and an outer end, the outer end being adapted for communication with the breath of a patient using the aerosol interface for the inhalation through the passageway of the aerosol fluid in the chamber and the exhalation of expired fluid by the patient into the passageway. Outlet means is operatively associated with the housing in open communication with the chamber through a channel so as to permit a flow of the expired fluid from the patient to exhaust to the atmosphere, and flow control means are incorporated in the chamber intermediate the transmission means and the outlet means so as to cause substantially all of the expired fluid during exhalation to flow to the atmosphere through the channel of the outlet means without flowing into the chamber.
REFERENCES:
patent: 988352 (1911-04-01), Kerr
patent: 2432946 (1947-12-01), Theunissen
patent: 2677370 (1954-05-01), Newton et al.
patent: 3850171 (1974-11-01), Ball et al.
Cavitron Corporation
Recla Henry J.
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