An electron beam treatment device, a method for electron beam flash therapy, and a system for flash therapy are provided. The electron beam treatment device includes an electron beam emitter, a first deflection member, and an annular deflection mechanism. The electron beam emitter is configured to configured to emit a high-energy electron beam. The first deflection member can perform first deflection processing on the high-energy electron beam passing through the first deflection member. The annular deflection mechanism is configured to receive the high-energy electron beam deflected by the first deflection member, and perform second deflection processing on the high-energy electron beam, so that the high-energy electron beam is emitted towards a target region.

Methods and system for facilitating rapid radiation treatments are provided herein and relate in particular to radiation generation and delivery, electron source design, beam control and shaping/intensity-modulation. The methods and systems described herein are particularly advantageous when used with a compact high-gradient, very high energy electron (VHEE) accelerator and delivery system (and related processes) capable of treating patients from multiple beam directions with great speed, using all-electromagnetic or radiofrequency deflection steering is provided; or when used with a high-current electron accelerator system of energy range more conventionally used in photon radiation therapy to produce much faster delivery of intensity-modulated photon radiation therapy, that can in both cases deliver an entire dose or fraction of high-dose radiation therapy sufficiently fast to freeze physiologic motion, yet with a equal or better degree of dose conformity or sculpting compared to conventional photon therapy.

A patient supporting device includes: a base configured to translate in a room; a first member having a first end and a second end, wherein the first end of the first member is rotatably coupled to the base so that the first member is rotatable relative to the base about a first vertical axis; a second member having a first end and a second end, wherein the first end of the second member is rotatably coupled to the second end of the first member so that the second member is rotatable relative to the first member about a second vertical axis; and a platform for supporting a patient, wherein the platform is rotatably coupled to the second end of the second member so that the platform is rotatable relative to the second member about a third vertical axis.

Provided is an anticancer agent containing a substance that contains nitrogen-15 and that specifically accumulates in a cancer cell. Also provided is a method for killing a cancer cell in vitro, including accumulating nitrogen-15 in a cancer cell in vitro and irradiating the cancer cell with a proton beam in vitro. Additionally provided is a cancer treatment method including causing an accumulation of the nitrogen-15 in a cancer cell in a human or a nonhuman animal and irradiating the human or the nonhuman animal with a proton beam.

A particle beam therapy facility includes: a therapy room that is independent of other rooms and that is used to perform therapy with particle beams; a plurality of preparation rooms that is used to perform preparation for the therapy; and a transfer room that is independent of other rooms and that is used to transfer between the therapy room and the preparation rooms, in which the transfer room includes a single continuous space that allows communication between a therapy room entrance of the therapy room and a preparation room entrance of each of the plurality of preparation rooms.

A neutron capture therapy system is provided, including a neutron generating device and a beam shaping assembly. The neutron capture therapy system further includes a concrete wall forming a space for accommodating the neutron generating device and the beam shaping assembly and shielding radiations generated by the neutron generating device and the beam shaping assembly. A support module is disposed in the concrete wall, the support module is capable of supporting the beam shaping assembly and is used to adjust the position of the beam shaping assembly, and the support module includes concrete and a reinforcing portion at least partially disposed in the concrete. The neutron capture therapy system designs a locally adjustable support for the beam shaping assembly, so that the beam shaping assembly can meet the precision requirement, improve the beam quality, and meet an assembly tolerance of the target.

A charged particle beam deflection device includes a layered structure including a plurality of layers and having a hollow shape through which a charged particle beam passes, a first coil configured to deflect the charged particle beam in a first direction different from a travel direction of the charged particle beam, a second coil configured to deflect the charged particle beam in a second direction, and a pressing portion located on an outer peripheral surface of the layered structure and configured to press the outer peripheral surface from the exterior toward the interior. The plurality of layers includes a first coil support layer configured to support the first coil and a second coil support layer configured to support the second coil. The layered structure includes a gap, through which a cooling solvent can flow, between two adjacent layers among the plurality of layers.

A neutron capture therapy device includes an accelerator that generates a particle beam, a target that generates a neutron ray by reacting with the particle beam, a collimator that includes a hole portion penetrating in an irradiating direction of the neutron ray and forms an irradiation field of the neutron ray generated from the target, and a deceleration member that decelerates the neutron ray generated from the target, in which a part of the deceleration member is disposed in the hole portion of the collimator.

A neutron capture therapy apparatus includes a treatment unit including an irradiator irradiating an irradiation target with a neutron ray, a simulation unit simulating position adjustment of the target with respect to the irradiator in the treatment unit, a first moving mechanism capable of moving the target in the treatment unit, a second moving mechanism capable of moving the target with respect to the simulation unit, and a transport mechanism capable of transporting the target from the second moving mechanism to the first moving mechanism, in which the second moving mechanism moves the target such that a target position with respect to the simulation unit is substantially the same as a predetermined target position with respect to the irradiator in the treatment unit, and the first moving mechanism moves the target to the predetermined target position with respect to the irradiator in the treatment unit.

There is provided a particle beam treatment system which has a simple mechanism and which is excellent in maintainability. Irradiation devices 10a and 10b respectively have a plurality of irradiation ports 102a, 102b, and 102c for irradiating a target with a particle beam in a plurality of directions. In addition, an irradiation nozzle unit 105 of the irradiation devices 10a and 10b is movable between the plurality of irradiation ports 102a, 102b, and 102c. A fixed cover structure 107 is disposed between the plurality of irradiation ports 102a, 102b, and 102c and the irradiation nozzle unit 105. In addition, the cover structure 107 has a slit 110 for allowing the irradiation nozzle unit 105 to move therethrough.