Method and apparatus for osteoporosis diagnosis
CA 2218682 A1 · Owner: Kubota, Yasuyuki · Inventors: Ishii, Tetsuya; Kubota, Yasuyuki; Kuriwaki, Masashi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An osteoporosis diagnosis apparatus provided with a two-dimensional ultrasonic transducer array (3) comprising a number of cells (11 12, ...). The , ultrasonic transducer array (3) is applied to the skin covering a predetermined bone of a subject, and the individual cells sequentially emit a predetermined number of ultrasonic pulses through the skin while receiving echoes from the bone. The received echo data are processed so that they can be handled in a planewave problem, from which the information on the reflection from the bone is determined. This information is processed to obtain the acoustic impedance of a cortical bone and a cancellous bone so as to check , for the presence …
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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 February 21, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 21, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 21, 2019.
- 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.