Therapeutic laser device and method including noninvasive subsurface monitoring and controlling means
CA 2315521 C · Owner: Dumoulin-White, Roger J. · Inventors: Dumoulin-White, Roger J.; Lilge, Lothar; Weersink, Robert A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method is provided for treating a patient having a disorder wherein the method includes irradiating a tissue surface of the patient with at least one laser beam automatically monitoring the tissue, and automatically controlling the at least one laser beam to adjust and/or terminate the treatment in a therapeutically effective manner. The method noninvasively determines in real-time the irradiance and/or radiant exposure of a target tissue at a predetermined depth below the tissue surface by detecting the radial dependence of light remitted from the tissue surface. Preferably the method employs a near-infrared light laser beam and a visible laser light beam in combination. An apparatus for …
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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 9, 2000 and granted July 5, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 9, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 9, 2022.
- 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.