Shaped flexible infusion sleeve
CA 2330696 A1 · Owner: Strukel, Igor · Inventors: Strukel, Igor
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A shaped flexible infusion sleeve (7) provides for delivery of an infusion fluid (8) to the tip of a vibrating needle (2) used in a phacoemulsification procedure for removing cataracts. The shaped flexible infusion sleeve (7) has a non-circular cross-sectional shape which allows deformation yet prevents , collapse of the sleeve (7) onto the vibrating needle (2) so as to avoid undesired heating during surgery. The shaped flexible infusion sleeve (7) has at least two constriction points (14a-14d) which add sufficient structural stiffness to prevent full collapse of the sleeve (7) once inserted into an incision (15) in the eye, while at the same time providing sufficient flexibility to …
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 April 27, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 27, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 27, 2021.
- 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.