Radioactive aerosol inhalation apparatus and method
CA 1251705 A · Owner: Cadema Medical Products, Inc. · Inventors: Lieberman, Ephraim; Bordoni, Maurice E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radioactive aerosol inhalation apparatus includes a lead-shielded container, having a lid or cover and a, disposable aerosol inhalation device for use in producing properly sized radioactive tagged particles. The disposable device includes a mouthpiece 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 from a nebulizer and to the filter. The optimum range of particle sizes is generated by producing an aerosol in the nebulizer which hasan internal baffle. For ease of handling and to minimize radiation exposures, an entry is provided to add radioactive …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 28, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 28, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.