Surgical endoscope employing infrared fiber optical waveguide
CA 1104657 A · Owner: Hughes Aircraft Company · Inventors: Gentile, Anthony L.; Pinnow, Douglas A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Canada, September 18, 1980, Abstract A medical (or dental) laser instrument which in lieu of prior art glass, quartz or plastic fibers uses a more efficient infrared fiber optic waveguide of a crystalline halide of a metal selected from groups IA, IB, or IIIA of the Periodic Table which is optically coupled to an infrared laser and in a preferred embodiment, of the invention also to a visible light laser providing a visible indication of the point at which the infrared laser beam will be applied to the part of the body to be treated whereby an infrared, laser beam exit window of diamond or zinc selenide is sealed to the instrument so as to isolate the crystalline halide waveguide from 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
- Granted July 7, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 7, 1998.
- 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
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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.