Multispectral/hyperspectral medical instrument
CA 2308375 C · Owner: Lewis, Edgar N. · Inventors: Freeman, Jenny E.; Lewis, Edgar N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A medical instrument that comprises: a first-stage optic (40) responsive to a tissue surface of a patient; a spectral separator (42) optically responsive to the first stage optic and having a control input; an imaging sensor (46) optically responsive to the spectral separator and having an image data output; and a diagnostic processor (38) having an image acquisition interface (50) with an input responsive to the imaging sensor and a filter control interface (52) having a control output provided to the control input of the spectral separator (42).
Read the whole patent
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 October 30, 1998 and granted April 9, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 30, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 30, 2020.
- 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.