Aerosol inhalation device

Details Aerosol inhalation device Aerosol inhalation device

1985-03-01

1986-07-08

Coven, Edward M.

Surgery

Liquid medicament atomizer or sprayer

12820018, A61M 1100

Patent

active

045987041

ABSTRACT:
A disposable aerosol inhalation device for use in producing properly sized radioactive tagged particles. A mouthpiece is attached to a wye connector containing a valving system for inhalation of the radioactive aerosol and exhalation to an entrapping filter. Conduits are respectively provided by flexible tubing to a nebulizer and to the filter. The optimum range of particle sizes is generated by producing an aerosol from the nebulizer having an internal baffle. For ease of handling and to minimize radiation exposures, an entry is provided to add radioactive solution directly into the baffled nebulizer. To further reduce radiation exposure, the baffled nebulizer and entrapping filter are housed in a leaded enclosure. A method, which may be carried out using the device and the leaded enclosure involves introducing radioactive solution into the nebulizer to generate an aerosolized mist containing radioactive tagged particles of less than substantially two microns.

REFERENCES:
patent: 3762409 (1973-10-01), Lester
patent: 3990442 (1976-11-01), Patneau
patent: 4206160 (1980-06-01), Suddendorf et al.
patent: 4232667 (1980-11-01), Chalon et al.
patent: 4259951 (1981-04-01), Chernack et al.
patent: 4333450 (1982-06-01), Lester
patent: 4391271 (1983-07-01), Blanco
patent: 4396015 (1983-08-01), Johnson
patent: 4510929 (1985-04-01), Bordoni et al.

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