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:
Nov. 15, 2016
Filed:
Oct. 10, 2013
Hitachi, Ltd., Tokyo, JP;
Taisuke Takayanagi, Tokyo, JP;
Koji Matsuda, Tokyo, JP;
Ryosuke Shinagawa, Tokyo, JP;
Chihiro Nakashima, Tokyo, JP;
Arao Nishimura, Tokyo, JP;
Hiroki Shirato, Sapporo, JP;
Taeko Matsuura, Sapporo, JP;
Shinichi Shimizu, Sapporo, JP;
Rikiya Onimaru, Sapporo, JP;
Kikuo Umegaki, Sapporo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The present invention provides a particle therapy system including an irradiation compensating device made up of an energy absorber, a first collimator, and a second collimator for use in a short-range region. The irradiation compensating device is characterized by a mechanism for attaching and detaching the first energy absorber, first collimator, and second collimator. The first collimator is located upstream where the beam diameter is small with a view to suppressing the width of the compensating device, thereby contributing to making the compensating device small and lightweight. The second collimator is located downstream to improve penumbrae.