Laser-based device for non-mechanical, three-dimensional trepanation during cornea transplants
CA 2496057 A1 · Owner: Van Der Heyd, Gerd · Inventors: Van Der Heyd, Gerd; Harrer, Michael; Langenbucher, Achim
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 laser-based device for non-mechanical three-, dimensional trepanation during cornea transplants said device comprising a , computer-assisted control and regulation unit (4) provided with at least one control computer (5, 6, 7) and at least one display unit (8 9), a laser , source (2) for generating a working laser beam (3) and a multisensor , processing head (1) into which the following items are integrated: an axial beam positioning system (11) into which the working laser beam (3) can be coupled, a focal point tracking unit (12) for the displacement of the focal point (13) of the working laser beam (3) into position z an x-y scanner unit , (14, 15) for 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 August 16, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 16, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 16, 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.