Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent
1998-02-13
2000-12-12
Weiss, John G.
Surgery
Respiratory method or device
Means for mixing treating agent with respiratory gas
12820016, 12820018, 12820021, 12820326, 12820327, A61M 1500, A61M 1610
Patent
active
061584312
ABSTRACT:
A handheld therapeutic material delivery system includes a droplet dispersion chamber, a droplet generating assembly for generating droplets of a fluid containing the therapeutic material and for supplying the droplets to the dispersion chamber, and a gas conditioning assembly for supplying heated gas to the dispersion chamber to form a heated transport gas stream. The droplets are dispersed in the heated transport gas stream in the dispersion chamber to provide an aerosol stream containing the droplets. The aerosol stream is supplied to the patient in response to a negative pressure applied by the patient. The delivery system may include a droplet inspection assembly for determining a characteristic of the aerosol stream and a feedback unit responsive to the determined characteristic of the aerosol stream for controlling one or both of the droplet generating assembly and the gas conditioning assembly.
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TSI Incorporated
Weiss John G.
Weiss, Jr. Joseph F.
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