Radiation treatment apparatus
CA 2634071 C · Owner: Mitsubishi Heavy Industries, Ltd. · Inventors: Kamino, Yuichiro; Hara, Kenji; Yamashita, Ichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A radiotherapeutic device (1) comprises a guide (9) for moving a radiation generator (4) along a path of predetermined radius so that the X-rays (Ri) emitted by the radiation generator (4) may cross an isocenter (13) and a support member (12) for rotating the guide (9) around the axis of an inclined shaft (11) extending through the isocenter (13). The radiation generator (4) is moved along a spherical surface by the guide (9) and support member (12) to radiate X-rays (Ri) toward the isocenter (13) from many directions.
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 August 23, 2002 and granted December 11, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 23, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2024.
- 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.