Method and apparatus for ultrasonic treatment of reflex sympathetic dystrophy
CA 2369475 A1 · Owner: Talish, Roger J. · Inventors: Talish, Roger J.; Winder, Alan A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to apparatus and method for therapeutically treating reflex sympathetic dystrophy using ultrasound. The apparatus (10) includes at least one ergonomically constructed ultrasonic transducer (16) configured to cooperate with a placement module (14) or strip for placement in proximity to pain receptors of the sympathetic nervous system. The apparatus also utilizes a portable, ergonomically constructed main operating unit (12) constructed to fit within a pouch worn by the patient. In operation at least one ultrasonic , transducer positioned in proximity to the pain receptors of the sympathetic nervous system is excited for a predetermined period of time. To ensure …
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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 May 9, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 9, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 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
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.