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Canadian application, no grantCanada

Improved anterior chamber phakic lens and methods of implantation

CA 2427768 A1 · Owner: Buzard, Kurt · Inventors: Buzard, Kurt

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A unique anterior chamber phakic lens and methods for implantation are provided. The foldable optical zone portion of the lens is secured to a pair of diametrically opposed haptic members extending outwardly from the optical zone periphery to the angle of the eye. Each of the haptic members comprises an elongated arm portion and a distal arcuate portion with an inward curvature having an abraded surface. The inventive phakic lens is angle fixated by inducing a slight amount of scar tissue where the distal ends of lens haptics rest in the angle. Accordingly the unique phakic lens and implantation methods minimize lens related etiology such as iris chafing, glaucoma uveitis, distortion of 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 May 2, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 2, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 2, 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.
FiledMay 2, 2003
GrantedNo grant recorded
Term endedMay 2, 2023
Patent numberCA 2427768 A1
Classification (IPC)A61F2/16 +1 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedMay 2, 2003Term endedMay 2, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.