Ambulatory infusion membrane pump
CA 2478829 A1 · Owner: Nilson, Billy · Inventors: Nilson, Billy
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Ambulatory membrane pump intended for medical use e.g. for infusion purposes consisting of two main parts: 1) the basic device with motor drive and computer, and 2) the administration set which is disposable. The arrangement , with check valves in both ends of the administration system safeguards that no leakage happens when gravitational forces are acting due to height , differences between fluid bag and needle.
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 March 12, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 12, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2025.
- 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.