Method and apparatus for ablating and removing cataract lenses
CA 1301853 C · Owner: Bath, Patricia E. · Inventors: Bath, Patricia E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A method and apparatus for removing cataracts in which a flexible line (26) preferably 1 mm or less in diameter is inserted through an incision into the anterior chamber until its end is adjacent the cataract. Coherent radiation, preferably at a frequency between 193 and 351 nm, is coupled to the cataract by an optical fiber (28) in the line (26). An irrigation sleeve (30) provided about the fiber (28) and an aspiration sleeve (32) extending partially around the irrigation sleeve (30) conduct irrigating liquid to and remove ablated material from the anterior chamber and form with the optical fiber (28) the flexible line (26).
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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
- Granted May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.