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:
Dec. 04, 2018
Filed:
Jan. 21, 2014
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Yoshitaka Tsumoto, Tokyo, JP;
Akihiro Miyamoto, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61N 5/10 (2006.01); A61N 5/01 (2006.01);
U.S. Cl.
CPC ...
A61N 5/1081 (2013.01); A61N 5/01 (2013.01);
Abstract
A radiation therapy apparatus includes: an annular gantry; an irradiation unit which is provided on the gantry and configured to radiate radiation; a support which supports the gantry; a rotation-driving mechanism which is provided between the gantry and the support and rotates the gantry around a horizontal central axis of the gantry. The rotation-driving mechanism includes: annular rails that are provided on the gantry; and sliding members which are provided on regions of the support that correspond to a lower half of the gantry, slidably guide the rails, and receive at least a load of the gantry in a vertical direction.