Patient supports for medical treatments

A patient supporting device for supporting a patient, comprising:

• a base configured to be fixedly mounted with respect to a floor of a room;
• a positioner mechanically coupled to the base;
• a platform mechanically coupled to the positioner, wherein the platform has a first end and a second end opposite the first end;
• and
• a controller configured to operate the positioner;
• wherein the positioner is operable by the controller to place the platform at one of a first plurality of possible positions, wherein in any of the first plurality of possible positions, the first end of the platform is in or below a treatment space, and the second end of the platform is closer to one of a left side and a right side of a treatment machine;
• wherein the positioner is also operable by the controller to place the platform at one of a second plurality of possible positions, wherein in any of the second plurality of possible positions, the first end of the platform is in or below the treatment space, and the second end of the platform is closer to another one of the left side and the right side of the treatment machine;
• and
• wherein a size of a first spatial region defined by the first plurality of possible positions is different from a size of a second spatial region defined by the second plurality of possible positions.