Cuff inflation for tracheal tubes
CA 1064358 A · Owner: Jackson, Richard R. · Inventors: Jackson, Richard R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The connector member which connects a tracheal tube to the source of breathing air incorporates an auxiliary passage having an entrance device for inflating the cuff with the breathing air the entrance device responding, to raised pressure in the connector to admit the breathing air for filling the cuff and responding to decrease in the pressure to close the auxiliary passage at a desired level for retaining sealing pressure in the cuff.
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
- Granted October 16, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 16, 1996.
- 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.