Polyurethane feeding tube and associated adaptors
CA 2353829 A1 · Owner: Abbott Laboratories · Inventors: Comer, Gail M.; Duggan, Brendan J.; Goldhardt, Donald J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Feeding tube assembly includes a feeding tube made of a polyurethane preferably Carbothane, and a feeding tube adaptor including at least an inlet conduit and an outlet conduit. In one aspect the feeding tube adaptor is made , of a substantially rigid material and the exterior surface of the outlet conduit defines a retention member to engage an interior surface at a first end portion of the feeding tube when the outlet end of the outlet conduit is inserted within a lumen defined in the feeding tube. In accordance with another aspect, the tube adaptor is provided with a removable cap to close selectively the inlet conduit, and both the inlet conduit and the cap are made of …
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 October 6, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 6, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 6, 2022.
- 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.