Patent ID: 11890087
Assignee: SHANGHAI UNITED IMAGING HEALTHCARE CO., LTD.
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 0:
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.