US 12,303,720 B2
Gantry having a retractable cover
Mark R. Jones, Reading, MA (US); and James Cooley, Boxborough, MA (US)
Assigned to Mevion Medical Systems, Inc., Littleton, MA (US)
Filed by Mevion Medical Systems, Inc., Littleton, MA (US)
Filed on Jul. 15, 2022, as Appl. No. 17/865,508.
Claims priority of provisional application 63/223,760, filed on Jul. 20, 2021.
Prior Publication US 2023/0022716 A1, Jan. 26, 2023
Int. Cl. A61N 5/10 (2006.01)
CPC A61N 5/1081 (2013.01) [A61N 5/107 (2013.01); A61N 2005/1061 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A particle therapy system comprising:
a toroid-shaped gantry having a central axis, the toroid-shaped gantry comprising a cover, the cover comprising one or more segments that are rotatable at least partly around the central axis of the toroid-shaped gantry, the one or more segments being configured and controllable to move from a closed configuration to an open configuration to create an unobstructed opening in the toroid-shaped gantry;
a patient couch configured to move into the unobstructed opening;
an imaging system coupled to an interior of the toroid-shaped gantry and configured for rotation about a hole in the toroid-shaped gantry, the imaging system being configured to capture images of a patient on the patient couch; and
a nozzle coupled to the interior of the toroid-shaped gantry and configured for rotation about the hole in the toroid-shaped gantry, the nozzle being configured to deliver radiation to a target in the patient based on one or more of the images.