Semiconductor laser treatment unit
CA 1284186 C · Owner: Hayashi, Tokuharu · Inventors: Ohshiro, Toshio; Hayashi, Tokuharu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Semiconductor Laser Treatment Unit, Abstract This semiconductor laser treatment unit is constructed of a laser radiation device 1 and a control box 67 which houses a control mechanism for controlling this laser radiation device 1. The laser radiation device has at its tip a cap 3 which has a pair of touch sensors 69 in the vicinity of a laser emission aperture 68, multiple semiconductor lasers 10, and a series of lenses which make the laser beams emitted from the semiconductor lasers parallel and also focus them to a single point to form a laser beam for use in medical treatment. Further the unit is provided with a means of adjusting the degree of convergence required to create a medical …
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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 14, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2008.
- 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.