Triple lumen catheter
CA 1330285 C · Owner: Vas-Cath Incorporated · Inventors: Martin, Geoffrey S.; Leblanc, Michael R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiple lumen catheter is described having a flexible elongate body extending about a longitudinal axis and having a distal end with a tapered tip a proximal end, an outer, wall and a septum extending between spaced points on the outer wall. The outer wall and the septum define extraction and return lumens extending from the proximal end to the tapered tip where the outer wall and the septum converge to close off the lumens. The outer wall also defines respective extraction and return apertures for fluid communication between the lumens and the tube exterior. A portion of the septum defines a third lumen extending along the longitudinal axis of the body from the proximal end to 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
- Granted June 21, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2011.
- 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.