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129 results about "Particle therapy" patented technology
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Particle therapy is a form of external beam radiotherapy using beams of energetic neutrons, protons, or other heavier positive ions for cancer treatment. The most common type of particle therapy as of 2012 is proton therapy.
Particle therapy system
InactiveUS6936832B2Simply and quickly correctReduce laborRadiation/particle handlingElectrode and associated part arrangementsTransport systemLight beam
A particle therapy system is provided which can simply and quickly correct a beam orbit. In a particle therapy system provided with an irradiation facility comprising a first beam transport system for receiving a beam and transporting the beam to the patient side, and an irradiation nozzle for forming an irradiation field of the beam, the particle therapy system comprises first beam position monitors for detecting a position upstream of the irradiation nozzle at which the beam passes, second beam position monitors for detecting a position downstream of the irradiation nozzle at which the charged-particle beam passes, and first and second steering magnets. Correction bending amounts for causing the beam to be coincident with a predetermined orbit after the correction are determined in accordance with detected results from the first and second beam position monitors, and first and second steering magnets are excited under control so that the determined correction bending amounts are obtained.
Owner:HITACHI LTD
Particle beam irradiation system and method of adjusting irradiation field forming apparatus
ActiveUS7049613B2Increase in sizePenumbra can be reducedElectrotherapyRadiation/particle handlingParticle beamLight beam
Owner:HITACHI LTD
Charged particle cancer therapy and patient positioning method and apparatus
The invention comprises a laying, semi-vertical, or seated patient positioning, alignment, and / or control method and apparatus used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. Patient positioning constraints are used to maintain the patient in a treatment position, including one or more of: a seat support, a back support, a head support, an arm support, a knee support, and a foot support. One or more of the positioning constraints are movable and / or under computer control for rapid positioning and / or immobilization of the patient. The system optionally uses an X-ray beam that lies in substantially the same path as a proton beam path of a particle beam cancer therapy system. The generated image is usable for: fine tuning body alignment relative to the proton beam path, to control the proton beam path to accurately and precisely target the tumor, and / or in system verification and validation.
Owner:BALAKIN ANDREY VLADIMIROVICH +1
Patient positioning method and apparatus used in conjunction with a charged particle cancer therapy system
InactiveUS20090314960A1Chemical conversion by chemical reactionX-ray/gamma-ray/particle-irradiation therapySystem verificationFoot supports
The invention comprises a semi-vertical or seated patient positioning, alignment, and / or control method and apparatus used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. Patient positioning constraints are used to maintain the patient in a treatment position, including one or more of: a seat support, a back support, a head support, an arm support, a knee support, and a foot support. One or more of the positioning constraints are movable and / or under computer control for rapid positioning and / or immobilization of the patient. The system optionally uses an X-ray beam that lies in substantially the same path as a proton beam path of a particle beam cancer therapy system. The generated image is usable for: fine tuning body alignment relative to the proton beam path, to control the proton beam path to accurately and precisely target the tumor, and / or in system verification and validation.
Owner:BALAKIN VLADIMIR
Charged particle beam acceleration and extraction method and apparatus used in conjunction with a charged particle cancer therapy system
ActiveUS8089054B2Stability-of-path spectrometersBeam/ray focussing/reflecting arrangementsProtonCombined use
The invention comprises a charged particle beam acceleration and / or extraction method and apparatus used in conjunction with charged particle beam radiation therapy of cancerous tumors. Novel design features of a synchrotron are described. Particularly, turning magnets, edge focusing magnets, and extraction elements are described that minimize the overall size of the synchrotron, provide a tightly controlled proton beam, directly reduce the size of required magnetic fields, directly reduces required operating power, and allow continual acceleration of protons in a synchrotron even during a process of extracting protons from the synchrotron.
Owner:BALAKIN ANDREY VLADIMIROVICH +1
Multi-field charged particle cancer therapy method and apparatus coordinated with patient respiration
ActiveUS8129699B2Stability-of-path spectrometersBeam/ray focussing/reflecting arrangementsMedicineMulti field
Owner:BALAKIN ANDREY VLADIMIROVICH +1
Synchronized x-ray / breathing method and apparatus used in conjunction with a charged particle cancer therapy system
The invention comprises an X-ray system that is orientated to provide X-ray images of a patient in the same orientation as viewed by a proton therapy beam, is synchronized with patient respiration, is operable on a patient positioned for proton therapy, and does not interfere with a proton beam treatment path. Preferably, the synchronized system is used in conjunction with a negative ion beam source, synchrotron, and / or targeting method apparatus to provide an X-ray timed with patient respiration and performed immediately prior to and / or concurrently with particle beam therapy irradiation to ensure targeted and controlled delivery of energy relative to a patient position resulting in efficient, precise, and / or accurate noninvasive, in-vivo treatment of a solid cancerous tumor with minimization of damage to surrounding healthy tissue in a patient using the proton beam position verification system.
Owner:BALAKIN ANDREY VLADIMIROVICH +1
Synchronized X-ray / breathing method and apparatus used in conjunction with a charged particle cancer therapy system
Owner:BALAKIN ANDREY VLADIMIROVICH +1
Particle therapy system
InactiveUS20050247890A1Simply and quickly correctSimply and quickly performedRadiation/particle handlingElectrode and associated part arrangementsTransport systemLight beam
A particle therapy system is provided which can simply and quickly correct a beam orbit. In a particle therapy system provided with an irradiation facility comprising a first beam transport system for receiving a beam and transporting the beam to the patient side, and an irradiation nozzle for forming an irradiation field of the beam, the particle therapy system comprises first beam position monitors for detecting a position upstream of the irradiation nozzle at which the beam passes, second beam position monitors for detecting a position downstream of the irradiation nozzle at which the charged-particle beam passes, and first and second steering magnets. Correction bending amounts for causing the beam to be coincident with a predetermined orbit after the correction are determined in accordance with detected results from the first and second beam position monitors, and first and second steering magnets are excited under control so that the determined correction bending amounts are obtained.
Owner:HITACHI LTD
Device And Method For Particle Therapy Monitoring And Verification
ActiveUS20110248188A1Reduce in quantityChemical conversion by chemical reactionX-ray/gamma-ray/particle-irradiation therapyConformal radiation therapyParticle physics
The present invention relates to a device and method for monitoring and verification of the quality of a radiation treatment beam in conformal radiation therapy, and in particular for IMPT (Intensity Modulated Particle Therapy) applications. The device comprises a 2D electronic detector measuring 2D responses to the delivered treatment beam. These 2D responses are compared with predicted 2D responses and differences in responses are signalled. Based on the measured 2D responses the effectively delivered 3D dose distribution in the target can be reconstructed.
Owner:ION BEAM APPL
X-ray tomography method and apparatus used in conjunction with a charged particle cancer therapy system
ActiveUS8144832B2Material analysis using wave/particle radiationRadiation/particle handlingX-rayRadical radiotherapy
The invention comprises an X-ray tomography method and apparatus used in conjunction with multi-axis charged particle or proton beam radiation therapy of cancerous tumors. In various embodiments, 3-D images are generated from a series of 2-D X-rays images; the X-ray source and detector are stationary while the patient rotates; the 2-D X-ray images are generated using an X-ray source proximate a charged particle beam in a charged particle cancer therapy system; and the X-ray tomography system uses an electron source having a geometry that enhances an electron source lifetime, where the electron source is used in generation of X-rays. The X-ray tomography system is optionally used in conjunction with systems used to both move and constrain movement of the patient, such as semi-vertical, sitting, or laying positioning systems. The X-ray images are optionally used in control of a charged particle cancer therapy system.
Owner:BALAKIN ANDREY VLADIMIROVICH +1
Particle therapy system
InactiveUS20050139787A1Time to setLow efficiencyThermometer detailsBeam/ray focussing/reflecting arrangementsTransport systemExcitation current
A particle therapy system capable of increasing the number of patients treated in one treatment room per unit time. The particle therapy system comprises a charged particle beam generator for generating an ion beam, an irradiation apparatus for irradiating the ion beam extracted from the charged particle beam generator to an irradiation target, a beam transport system for transporting the ion beam extracted from the charged particle beam generator to the irradiation apparatus, and a central control unit for producing a set of command data to command excitation currents for magnets disposed in the charged particle beam generator and the beam transport system, the set of command data being classified into group-1 data and group-2 data.
Owner:HITACHI LTD
Gantry system for particle therapy, therapy plan or radiation method for particle therapy with such a gantry system
InactiveUS20070051904A1Reduce expensesAvoid transportChemical conversion by chemical reactionX-ray/gamma-ray/particle-irradiation therapyParticle beamParticle physics
A gantry system for particle therapy system, therapy plan and radiation method for a particle therapy with such a gantry system is provided. The gantry system for a particle therapy system includes a particle beam. A first beam guiding device rotatable about an axis of rotation of the gantry guides the particle beam so that the particle beam strikes a treatment location at a gantry incidence direction. The gantry incidence direction deviates from the axis of rotation and is variable. A second beam guiding device guides the particle beam to a treatment location in a second direction.
Owner:SIEMENS AG
Gantry for medical particle therapy facility
ActiveUS20070262269A1Thermometer detailsBeam/ray focussing/reflecting arrangementsParticle beamBeam tube
A particle therapy gantry for delivering a particle beam to a patient includes a beam tube having a curvature defining a particle beam path and a plurality of fixed field magnets sequentially arranged along the beam tube for guiding the particle beam along the particle path. In a method for delivering a particle beam to a patient through a gantry, a particle beam is guided by a plurality of fixed field magnets sequentially arranged along a beam tube of the gantry and the beam is alternately focused and defocused with alternately arranged combined function focusing and defocusing fixed field magnets.
Owner:BROOKHAVEN SCI ASSOCS
Gantry for medical particle therapy facility
ActiveUS8173981B2Thermometer detailsBeam/ray focussing/reflecting arrangementsParticle beamBeam tube
A particle therapy gantry for delivering a particle beam to a patient includes a beam tube having a curvature defining a particle beam path and a plurality of fixed field magnets sequentially arranged along the beam tube for guiding the particle beam along the particle path. In a method for delivering a particle beam to a patient through a gantry, a particle beam is guided by a plurality of fixed field magnets sequentially arranged along a beam tube of the gantry and the beam is alternately focused and defocused with alternately arranged focusing and defocusing fixed field magnets.
Owner:BROOKHAVEN SCI ASSOCS
Particle therapy system
InactiveUS7834334B2Weighing apparatus using fluid action balancingMicrowave therapyParticle beamHigh energy
A particle therapy system for irradiating a volume of a patient to be irradiated with high-energy particles is provided. The system includes a radiation outlet of a radiation delivery and acceleration system from which a particle beam exits in order to interact with the patient positioned in an irradiation position; an imaging device for verifying the position of the volume to be irradiated in relation to the particle beam; and a patient-positioning device with which the patient can be brought into the irradiation position for irradiation. The imaging device checks the position of the volume to be irradiated in an imaging position of the patient that is spatially remote from the irradiation position, and the patient-positioning device automatically changes position between imaging position and irradiation position.
Owner:SIEMENS AG
Gantry system for a particle therapy facility
InactiveUS7473913B2Precise managementElectric discharge tubesDiagnostic recording/measuringParticle therapyPhysics
The invention relates to a gantry system for a particle therapy facility, having a beam guidance gantry which has elements for beam guidance, and having a measurement gantry which has a device for beam monitoring. The measurement gantry and beam guidance gantry are thus of a mutually independent design and are, in particular, arranged in a mutually concentric manner. A gantry system of this kind is inter alia less susceptible to mechanical deviations during rotation of the beam guidance gantry.
Owner:SIEMENS AG
Gantry for medical particle therapy facility
ActiveUS7582886B2Thermometer detailsBeam/ray focussing/reflecting arrangementsParticle beamBeam tube
A particle therapy gantry for delivering a particle beam to a patient includes a beam tube having a curvature defining a particle beam path and a plurality of fixed field magnets sequentially arranged along the beam tube for guiding the particle beam along the particle path. In a method for delivering a particle beam to a patient through a gantry, a particle beam is guided by a plurality of fixed field magnets sequentially arranged along a beam tube of the gantry and the beam is alternately focused and defocused with alternately arranged combined function focusing and defocusing fixed field magnets.
Owner:BROOKHAVEN SCI ASSOCS
X-ray method and apparatus used in conjunction with a charged particle cancer therapy system
ActiveUS20110150180A1Magnetic resonance acceleratorsHandling using charge exchange devicesCharged particle radiotherapyX ray image
The invention comprises an X-ray method and apparatus used in conjunction with charged particle radiation therapy of cancerous tumors. The system uses an X-ray beam that lies in substantially the same path as a charged particle beam path of a particle beam cancer therapy system, has an elongated lifetime, and / or that is synchronized with patient respiration. The system creates an electron beam that strikes an X-ray generation source where the X-ray generation source is located proximate to the proton beam path. By generating the X-rays near the proton beam path, an X-ray path that is essentially the proton beam path is created. Using the generated X-rays, the system collects X-ray images of a localized body tissue region about a cancerous tumor, which are usable for: fine tuning body alignment relative to the proton beam path and / or to control the proton beam path to accurately and precisely target the tumor.
Owner:BALAKIN VLADIMIR YEGOROVICH
Control device for controlling an irradiation procedure, particle therapy unit, and method for irradiating a target volume
ActiveUS8071966B2Significant transitionReduce loadElectrotherapyRadiation/particle handlingParticle beamParticle physics
The present embodiments relate to a control device for controlling an irradiation procedure, which is designed in such a way that a target volume is irradiated by at least two irradiation procedures. In each irradiation procedure, an energy of a particle beam is varied in such a way that the target volume is irradiated layer-wise in layers that are spatially arranged one behind another. A sequence in which the layers of the target volume are irradiated in one of the irradiation procedures is varied from irradiation procedure to irradiation procedure, in terms of a direction of incidence of the particle beam.
Owner:VARIAN MEDICAL SYST PARTICLE THERAPY GMBH & CO KG
Gantry for medical particle therapy facility
ActiveUS8426833B2Reduce the amount requiredThermometer detailsBeam/ray focussing/reflecting arrangementsParticle beamParticle physics
A particle therapy gantry for delivering a particle beam to a patient includes a beam tube having a curvature defining a particle beam path and a plurality of superconducting, variable field magnets sequentially arranged along the beam tube for guiding the particle beam along the particle path. In a method for delivering a particle beam to a patient through a gantry, a particle beam is guided by a plurality of variable field magnets sequentially arranged along a beam tube of the gantry and the beam is alternately focused and defocused with alternately arranged focusing and defocusing variable field magnets.
Owner:BROOKHAVEN SCI ASSOCS
Device and method for particle therapy monitoring and verification
ActiveUS8716663B2PhotometryMaterial analysis by optical meansConformal radiation therapyParticle physics
The present invention relates to a device and method for monitoring and verification of the quality of a radiation treatment beam in conformal radiation therapy, and in particular for IMPT (Intensity Modulated Particle Therapy) applications. The device comprises a 2D electronic detector measuring 2D responses to the delivered treatment beam. These 2D responses are compared with predicted 2D responses and differences in responses are signalled. Based on the measured 2D responses the effectively delivered 3D dose distribution in the target can be reconstructed.
Owner:ION BEAM APPL
Gantry comprising beam analyser for use in particle therapy
ActiveUS20120280150A1Limited energy spreadLow costHandling using diaphragms/collimetersChemical conversion by chemical reactionMomentumParticle beam
The present invention relates to a particle therapy apparatus used for radiation therapy. More particularly, this invention relates to a gantry for delivering particle beams which comprises means to analyse the incoming beam. Means are integrated into the gantry to limit the momentum spread of the beam and / or the emittance of the beam.
Owner:ION BEAM APPL
Gantry for Medical Particle Therapy Facility
ActiveUS20100038552A1Thermometer detailsBeam/ray focussing/reflecting arrangementsParticle beamBeam tube
A particle therapy gantry for delivering a particle beam to a patient includes a beam tube having a curvature defining a particle beam path and a plurality of fixed field magnets sequentially arranged along the beam tube for guiding the particle beam along the particle path. In a method for delivering a particle beam to a patient through a gantry, a particle beam is guided by a plurality of fixed field magnets sequentially arranged along a beam tube of the gantry and the beam is alternately focused and defocused with alternately arranged focusing and defocusing fixed field magnets.
Owner:BROOKHAVEN SCI ASSOCS
Treatment planning apparatus and particle therapy system
ActiveUS8847179B2Reduce lossesLow costComputer controlSimulator controlField sizeMulti leaf collimator
A charged particle beam reduces treatment time in the uniform scanning or in the conformal layer stacking irradiation. In the uniform scanning, an optimum charged particle beam scan path for uniformly irradiating a collimator aperture area is calculated. In the conformal layer stacking irradiation, an optimum charged particle beam scan path for uniformly irradiating a multi-leaf collimator aperture area of each layer for each of the layers obtained by partitioning the target volume is calculated. Alternatively, a minimum irradiation field size that covers the multi-leaf collimator aperture area of each layer is calculated, and a scan path corresponding to the irradiation field size, prestored in a memory of a particle therapy control apparatus, is selected. The charged particle beam scan path is optimally changed in the lateral directions in conformity with the collimator aperture area in the uniform scanning or in each layer in the conformal layer stacking irradiation.
Owner:HITACHI LTD
Particle therapy system
ActiveUS7767988B2Easy to controlReduce riskRadiation/particle handlingElectrode and associated part arrangementsIrradiationParticle therapy
A particle therapy system is provided. The particle therapy system includes an imaging unit and a rotatable gantry with an irradiation unit. The irradiation unit projects into an irradiation room delimited by a wall. The imaging unit is arranged on a C-arm. The C-arm is operable to be moved between a retracted parking position and an extended diagnostic position for imaging purposes.
Owner:SIEMENS HEALTHCARE GMBH
Gantry, particle therapy system, and method for operating a gantry
InactiveUS7989785B2Cost-effectiveLight and cost-effectiveThermometer detailsBeam/ray focussing/reflecting arrangementsParticle beamLight beam
The present embodiments relate to a gantry for the beam guidance of a particle beam with at least one beam guidance element. A carrier device is rotatably mounted in such a way that the particle beam can be directed by a rotation of the carrier device with the beam guidance element from various angles on to an object to be irradiated. At least one moveable actuating element may adjust a spatial position of the beam guidance element.
Owner:SIEMENS HEALTHCARE GMBH
Particle beam irradiation system and method of adjusting irradiation field forming apparatus
InactiveUS20050167616A1Increase in sizePenumbra can be reducedElectrotherapyRadiation/particle handlingParticle beamLight beam
Owner:HITACHI LTD
Treatment planning apparatus and particle therapy system
ActiveUS20120264998A1Uniform dose distributionReduce radiationX-ray/gamma-ray/particle-irradiation therapyField sizeMulti leaf collimator
A charged particle beam reduces treatment time in the uniform scanning or in the conformal layer stacking irradiation. In the uniform scanning, an optimum charged particle beam scan path for uniformly irradiating a collimator aperture area is calculated. In the conformal layer stacking irradiation, an optimum charged particle beam scan path for uniformly irradiating a multi-leaf collimator aperture area of each layer for each of the layers obtained by partitioning the target volume is calculated. Alternatively, a minimum irradiation field size that covers the multi-leaf collimator aperture area of each layer is calculated, and a scan path corresponding to the irradiation field size, prestored in a memory of a particle therapy control apparatus, is selected. The charged particle beam scan path is optimally changed in the lateral directions in conformity with the collimator aperture area in the uniform scanning or in each layer in the conformal layer stacking irradiation.
Owner:HITACHI LTD
Radiation therapy techniques using targeted wave superposition, magnetic field direction and real-time sensory feedback
New techniques for radiotherapy and radiosurgery are provided. In some aspects of the invention, multiple sources of radiation with a frequency, phase and polarization that are projected to constructively interfere at a treatment target are provided. In other aspects, hardware directs multiple radiation sources from the same side of a treatment target, and focuses the initiation of substantial interference on a leading structure in the target. In other aspects, refractive models updated by live feedback are used to improve dosage distribution by, among other things, optimizing the number, length, superposition overlap, angle and nature of radiation beams. In additional aspects, interstitial beacons and radiation path diversion structures are inserted to improve dosage distribution to a target and avoid critical neighboring structures. In particle therapy, regionally actuable external magnetic fields are also provided, to improve dosage accuracy and avoid collateral damage.
Owner:BECKMAN CHRISTOPHER V
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