Retinal tack and method for implanting same
CA 1258355 A · Owner: Trek Medical Products · Inventors: Sinnett, Kevin B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The retinal tack includes a generally conical, sharply pointed forward end portion for piercing through the retina, choroid, and sclera an, elongated, generally cylindrical retaining portion having a longitudinal dimension approximating the thickness of a patient's retina, choroid and sclera, and including one or more peripheral grooves for receiving sclera tissue displaced during insertion of the forward end portion, and an enlarged head having a radially extending flange portion for engaging the retina in the area of the opening formed in the retina. The tack is carried in the tip of a tubular probe selectively connected in fluid communication with sources of negative and positive …
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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 August 15, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 15, 2006.
- 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.