The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 12, 2004
Filed:
May. 01, 2003
Yutaka Muramatsu, Tokai, JP;
Hidehito Asano, Ogawa, JP;
Wataru Sagawa, Mito, JP;
Hiroshi Akiyama, Hitachiohta, JP;
Tsutomu Yamashita, Hitachi, JP;
Other;
Abstract
Disclosed is a medical particle irradiation apparatus comprising a rotating gantry including an irradiation unit emitting particle beams; an annular frame located within and supported by the rotating gantry such that it can rotate relative to the rotating gantry ; an annular frame fixedly located opposite the annular frame ; an anti-corotation mechanism being in contact with both the annular frames and to prevent the annular frame from rotating together with the rotating gantry during rotation of the rotating gantry ; and a flexible moving floor interposed between the annular frames and , the flexible moving floor being engaged with the annular frames and in such a manner as to move freely such that its bottom is substantially level and that it moves as the rotating gantry rotates.