Implant syringe
CA 2297895 A1 · Owner: Kneer, Roland · Inventors: Kneer, Roland
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The implant syringe has a spacer which limits the advancement of the piston towards the needle in such a way that a space equivalent to the length of the strand-shaped preparation to be administered remains between the outlet orifice of the needle and the end of the piston head. The needle is connected to a grip end that can be retracted along a distance coinciding with the length of the preparation. An insertion channel is initially made with the implant needle in the body of the patient. Subsequently the preparation to be , administered is pushed forward to the tip of the needle by advancing the piston. The needle is then retracted in such a way that the end of the piston head …
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 July 22, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 22, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 22, 2020.
- 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.