Tracheotomy cannula with shield
CA 2299451 A1 · Owner: Tracoe Gesellschaft Fur Medizinische Bedarfsge-Genstande Mbh · Inventors: Waldeck, Franz
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a tracheotomy cannula (100) comprising a pipe-or , tube-shaped element for passing the cannula through a throat or trachea incision into the trachea of a patient whose upper airways are blocked so as , to supply said patient with air through the cannula (100). A shield (21 22) , is attached to the cannula (100) which rests against the neck of the patient and in so doing determines the position of the cannula or of the end of the cannula (100) in the trachea of the patient. To create a tracheotomy cannula (100) having the above features which can be easily adjusted to fit the anatomical characteristics of a patient and requires no special effort regarding the …
Read the whole patent
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
- Filed August 8, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 8, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 8, 2020.
- 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.