US 11,890,087 B2
Device for immobilizing a subject in a medical system
Jiaqian Le, Shanghai (CN)
Assigned to SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed by SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD., Shanghai (CN)
Filed on Oct. 11, 2021, as Appl. No. 17/450,466.
Application 17/450,466 is a continuation of application No. 15/691,992, filed on Aug. 31, 2017, granted, now 11,141,077.
Claims priority of application No. 201710758535.9 (CN), filed on Aug. 29, 2017.
Prior Publication US 2022/0031186 A1, Feb. 3, 2022
Int. Cl. A61B 5/055 (2006.01); A61F 5/37 (2006.01); A61N 5/10 (2006.01)
CPC A61B 5/055 (2013.01) [A61F 5/37 (2013.01); A61N 5/1077 (2013.01); A61N 2005/1097 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A device for immobilizing a subject in a medical procedure, the device comprising:
a plurality of air-permeable cells;
a first chamber; and
multiple radio frequency (RF) coils configured to transmit or receive a magnetic resonance (MR) signal;
wherein the device is configured to switch between a first mode and a second mode, and a change of a volume of each of at least a portion of the plurality of air-permeable cells causes the device to switch between the first mode and the second mode,
the first chamber is configured to house the multiple RF coils, a distribution and a count of the multiple RF coils that are placed inside the first chamber are determined according to a size and a shape of at least a portion of the subject being examined,
at least one coil of the multiple RF coils is arranged to locate at a position within the first chamber that is spaced apart from a position where a radiation beam is incident on the device.