H05H2007/002

SYSTEM AND METHOD FOR GANTRY-LESS PARTICLE THERAPY
20210298162 · 2021-09-23 ·

A gantry-less particle therapy system is provided. Charged particles are extracted from an ion source and accelerated in a beam transport system having an annular portion extending in a first plane and that circumscribes a volume, an arcuate portion extending in a second plane, and a transition portion that connects the annular portion and the arcuate portion. The arcuate portion terminates at a beam nozzle extending radially inward from the annular portion to deliver an ion beam to a treatment area contained in the volume circumscribed by the annular portion.

BEAM TRANSPORT LINE FOR RADIOTHERAPY SYSTEMS AND RADIOTHERAPY SYSTEM THEREOF
20210274634 · 2021-09-02 ·

Disclosed is a knuckle boom crane for offshore application, wherein the crane includes a knuckle boom, carried by a support structure and equipped with an operating unit. The knuckle boom includes a main boom and a terminal boom. The operating unit of the knuckle boom include at least one downstream linear actuator, arranged between the main boom and the terminal boom, for the rotational operation of the terminal boom about a downstream articulation axis. And the at least one downstream linear actuator is fastened to one of the lateral faces of the main boom and to one of the lateral faces of the terminal boom, in order to provide an improved lever arm between the main boom and the terminal boom.

SYNCHROCYCLOTRON FOR EXTRACTING BEAMS OF VARIOUS ENERGIES

A synchrocyclotron for extracting charged particles accelerated to an extraction energy includes a magnetic unit comprising N valley sectors and N hill sectors, and configured for creating z-component of a main magnetic characterized by a radial tune of the successive orbits. The synchrocyclotron includes a first instability coil unit and a second instability coil unit configured for creating a field bump of amplitude increasing radially. The amplitude of the field bump may be varied to reach the value of the offset amplitude at the average instability onset radius. The offset amplitude may be the minimal amplitude of the field bump at the average instability onset radius required for sufficiently offsetting the center of the orbit of average instability onset radius to generate a resonance instability to extract the beam of charged particle at the average instability onset radius.

Charged particle irradiation apparatus
11026320 · 2021-06-01 · ·

The invention provides a charged particle irradiation apparatus including: a focusing magnet that deflects a charged particle beam to continuously change an irradiation angle of the beam to an isocenter; an irradiation nozzle that continuously moves along a shape on an exit side of an effective magnetic field region of the focusing magnet, wherein the beam exiting the focusing magnet is emitted to the isocenter through the irradiation nozzle; a power supply rail along the shape on the exit side of the region; and a collector shoe fixed to the irradiation nozzle and configured to slide along the rail to supply power from the rail to the irradiation nozzle. A surface of the collector shoe contacted with the rail has the same bend radius as or average bend radius of the rail, and/or the collector shoe slides along the rail in contact with a flat side surface of the rail.

Treatment planning

An example method includes: receiving, from a treatment planning process, information that is based on a dose distribution for an irradiation target; and performing at least one of the following operations: moving structures to trim spots of a particle beam so that the spots of the particle beam approximate pre-trimmed spots for which characteristics are obtained based on the information received; moving structures to produce a trimming curve for a layer of an irradiation target based on a specification of a trimming curve for the layer included in the information received; moving structures to produce a single trimming curve for all radiation fields of an irradiation target based on specifications of the single trimming curve included in the information received; or moving structures based on configuration information for the structures in the information received.

Irradiation treatment system and method
11058373 · 2021-07-13 ·

An irradiation treatment system comprising: a synchrotron ring defining a border extending vertically from the synchrotron ring; a particle beam generator, an output of the particle beam generator coupled to an inlet of the synchrotron ring and arranged to inject charged particle beams into the synchrotron ring; a field control unit arranged to adjust an electric and magnetic field such that the injected charged particle beams are accelerated; a treatment irradiation source positioned within the defined border, the input of the irradiation source coupled to the outlet of the synchrotron ring and arranged to receive the accelerated particle beams from the synchrotron ring; and a patient support member positioned within the defined border and arranged to support a patient in a predetermined relationship with the output of the treatment irradiation source, the treatment irradiation source arranged to irradiate the supported patient with the accelerated particle beams.

EDDY CURRENT SYSTEM FOR USE WITH ELECTRICALLY-INSULATIVE STRUCTURES AND METHODS FOR INDUCTIVELY HEATING OR INDUCTIVELY INSPECTING
20210018556 · 2021-01-21 ·

An eddy current system and methods of performing operations on a structure using the eddy current system are presented. The eddy current system comprises an ion beam source and a magnetic field source with at least one of variable output intensity or variable output orientation.

System and method for gantry-less particle therapy

A gantry-less particle therapy system is provided. Charged particles are extracted from an ion source and accelerated in a beam transport system having an annular portion extending in a first plane and that circumscribes a volume, an arcuate portion extending in a second plane, and a transition portion that connects the annular portion and the arcuate portion. The arcuate portion terminates at a beam nozzle extending radially inward from the annular portion to deliver an ion beam to a treatment area contained in the volume circumscribed by the annular portion.

Non-achromatic compact gantry

Embodiments of the present invention provide a compact gantry designed to provide particle therapy using a particle beam. A gantry for providing the particle therapy comprises a first dipole magnet operable to bend a particle beam received from a cyclotron by a first degree amount. The gantry further comprises a plurality of quadrupole magnets configured to condition the beam asymmetrically to produce an asymmetric beam, wherein a configuration of the quadrupole magnets is determined using a dispersion function of a second dipole magnet. Further, the second dipole magnet is operable to receive the asymmetric beam and bend the asymmetric beam by a second degree amount, and wherein the second dipole magnet disperses the asymmetric beam to produce a symmetric beam shape at a treatment iscoenter or at any other reference point.

Optical Etendue Matching Methods for Extreme Ultraviolet Metrology
20200383200 · 2020-12-03 ·

An optical characterization system is disclosed. The optical characterization system may comprise a synchrotron source, an optical characterization sub-system, and a sensor configured to receive a projected image from a set of imaging optics. The optical characterization sub-system may include at least the set of illumination optics, a set of imaging optics, and a diffractive optical element, a temporal modulator or an optical waveguide configured to match an etendue of a light beam output by the synchrotron source to the set of illumination optics. A method of matching the etendue of a light beam is also disclosed.