Method and apparatus for performing surgery inside the human retina using fluidic internal limiting membrane (ilm) separation (films)
CA 2336571 A1 · Owner: Morris, Robert E. · Inventors: Morris, Robert E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus for performing surgery inside the human retina (26) using fluidic internal limited membrane separation (FILMS) to remove the internal limiting retinal layer (22) from the neural retinal layer (26) at the macula, is claimed. The method comprises inserting a hollow microcannula (14) between the retinal internal limiting membrane (ILM) (22) and the neural retinal layer at or near the macula and injecting a sterile fluid (20) such , as sodium hyaluronate, through the microcannula (14) and thereby raising the macular ILM retinal layer (22) away from the neural retina (26) such that it can then be removed by conventional means while simultaneously smoothing the , …
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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 June 21, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 21, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 21, 2021.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.