US 12,326,491 B2
Therapeutic apparatus
Xing'en Yu, Shanghai (CN); Cheng Ni, Shanghai (CN); and Peng Wang, Shanghai (CN)
Assigned to SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed by SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed on Mar. 9, 2022, as Appl. No. 17/654,229.
Application 17/654,229 is a continuation of application No. PCT/CN2019/104884, filed on Sep. 9, 2019.
Prior Publication US 2022/0193450 A1, Jun. 23, 2022
Int. Cl. G01R 33/38 (2006.01); A61B 5/00 (2006.01); A61N 5/10 (2006.01); G01R 33/3815 (2006.01); G01R 33/48 (2006.01)
CPC G01R 33/3804 (2013.01) [A61B 5/0036 (2018.08); A61N 5/1045 (2013.01); A61N 5/1049 (2013.01); A61N 5/107 (2013.01); G01R 33/3815 (2013.01); G01R 33/4812 (2013.01); A61N 2005/1055 (2013.01); A61N 2005/1089 (2013.01); A61N 2005/109 (2013.01); A61N 2005/1094 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A therapeutic apparatus comprising:
a magnetic resonance imaging (MRI) device configured to acquire MRI data with respect to a region of interest (ROI), wherein the MRI device includes an annular cryostat, the annular cryostat including:
one or more chambers arranged along an axis of the annular cryostat;
an annular structure arrangement enclosing the one or more chambers, wherein the annular structure arrangement includes multiple annular structures, and a portion of at least one of the multiple annular structures is made of a metallic material and a reinforcing material; and
at least a recess disposed on the annular cryostat, the recess having an opening formed on an outer surface of the annular structure arrangement; and
a radiation therapy device configured to apply therapeutic radiation to at least one portion of the ROI, the radiation therapy device including:
an accelerator configured to accelerate electrons in an electron beam to produce a radiation beam of the therapeutic radiation, the accelerator at least partially located within the recess of the annular cryostat; and
one or more collimation components configured to shape the radiation beam;
wherein:
the one or more chambers include two chambers being in communication through a neck portion of the annular cryostat,
the recess is at least defined by the two chambers and the neck portion of the annular cryostat, the two chambers and the neck portion of the annular cryostat enclosing a cooling medium, and
the recess accommodates a target configured to produce the radiation beam, such that a radial position of the target that in the opening is closer to the axis of the annular cryostat than an outermost radial position of the multiple annular structures.