Device for photorefractive cornea surgery in higher-order visual disorders
CA 2327471 A1 · Owner: Kaemmerer, Maik · Inventors: Mrochen, Michael; Seiler, Theo; Kaemmerer, Maik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a device for photorefractive cornea surgery of the eye, notably laser in situ keratomileusis and photorefractive keratectomy for , the correction of higher-order visual disorders. Said device comprises the following: an aberroscope (12, 14, 16, 22 24, 28) for measuring wavefront , aberration of the complete optical system of the eye to be corrected in , relation to a defined ocular position; means (48) for deriving a photoablation profile from the measured wavefront aberrations in such a way that photoablation carried out on the basis of said photoablation profile minimizes wavefront aberration; and a laser radiation source (30) and means (32 38, 40, 48) for …
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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 February 2, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 2, 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.