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:
May. 15, 2018
Filed:
Nov. 11, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A mammographic CT apparatus includes: a gantry, including a front face plate in which an insertion opening is formed for inserting a breast into an accommodation portion a radiation tube and sensing device disposed within the gantry; a driving unit configured to rotate the radiation tube and the sensing device around a rotation axis set in the normal direction of the accommodation portion, at the same angular speed and in the same direction; a collimator disposed between the accommodation portion and the radiation tube, and configured to rotate around the rotation axis integrally with the radiation tube and sensing device; and an annular shield disposed between the rotational path of the collimator and the rotational path of the radiation tube, having an annular gap corresponding to the rotational path of the collimator, wherein an edge of the collimator or sensing device is fit into the gap.