Endotracheal tube with movable endobronchial blocker for one-lung anesthesia
CA 1181311 A · Owner: Inoue, Hiroshi · Inventors: Inoue, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An endotracheal tube with movable endobronchial blocker for one-lung anesthesia comprising an endotracheal tube with a cuff having a small channel formed within the wall of the endotracheal tube along almost the entire length thereof and a catheter with a cuff for endobronchial blockade named endobronchial blocker which is housed in the small channel and can be let out when in use.
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 January 22, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2002.
- 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.