Treatment delivery control system and method of operation thereof
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G21K-005/04
A61N-005/10
출원번호
US-0788890
(2013-03-07)
등록번호
US-8907309
(2014-12-09)
발명자
/ 주소
Spotts, Stephen L.
출원인 / 주소
Spotts, Stephen L.
대리인 / 주소
Hazen, Kevin
인용정보
피인용 횟수 :
3인용 특허 :
279
초록▼
The invention relates to a method and apparatus for control of a charged particle cancer therapy system. A treatment delivery control system is used to directly control multiple subsystems of the cancer therapy system without direct communication between selected subsystems, which enhances safety, s
The invention relates to a method and apparatus for control of a charged particle cancer therapy system. A treatment delivery control system is used to directly control multiple subsystems of the cancer therapy system without direct communication between selected subsystems, which enhances safety, simplifies quality assurance and quality control, and facilitates programming. For example, the treatment delivery control system directly controls one or more of: an imaging system, a positioning system, an injection system, a radio-frequency quadrupole system, a ring accelerator or synchrotron, an extraction system, a beam line, an irradiation nozzle, a gantry, a display system, a targeting system, and a verification system. Generally, the control system integrates subsystems and/or integrates output of one or more of the above described cancer therapy system elements with inputs of one or more of the above described cancer therapy system elements.
대표청구항▼
1. An apparatus for treating a tumor of a patient using positively charged particles, comprising: a treatment delivery control system configured to directly control a plurality of sub-systems of a cancer therapy unit, said plurality of sub-systems comprising: an injector system;an accelerator system
1. An apparatus for treating a tumor of a patient using positively charged particles, comprising: a treatment delivery control system configured to directly control a plurality of sub-systems of a cancer therapy unit, said plurality of sub-systems comprising: an injector system;an accelerator system, said injector system configured to inject the positively charged particles into said accelerator system;an extraction system;a beam transport line configured to transport the positively charged particles;an irradiation nozzle; anda gantry,wherein a charged particle beam path sequentially passes through: at least part of said injector system, said accelerator system, said extraction system, said beam transport line, said irradiation nozzle, and at least part of said gantry. 2. The apparatus of claim 1, said injector system comprising a radio frequency quadrupole accelerator, said treatment delivery control system directly controlling: (1) said radio frequency quadrupole accelerator and (2) at least one sub-system of said plurality of sub-systems, said at least one sub-system positioned after said accelerator system about a beam path of the positively charged particles without direct communication between said at least one sub-system and said radio frequency quadrupole accelerator. 3. The apparatus of claim 2, said treatment delivery control system configured to: at a first time, directly control injection of the positively charged particles from the radio frequency quadrupole accelerator into said accelerator system;at a second time, directly control acceleration of the positively charged particles in said accelerator system; andat a third time, directly control extraction of the positively charged particles from the accelerator system using said extraction system,wherein the second time does not overlap the first time, andwherein the second time does not overlap the third time. 4. The apparatus of claim 1, wherein a first sub-system of said subsystems of said cancer therapy unit, positioned along a beamline of the positively charged particles before said accelerator system, communicates with a second sub-system of said subsystems, positioned along said beamline after said accelerator system, of said cancer therapy unit indirectly through said treatment delivery control system and without direct communication between said first sub-system and said second sub-system. 5. The apparatus of claim 4, wherein said accelerator comprises a ring accelerator, said ring accelerator further comprising: a magnetic field sensor, configured to generate a magnetic field signal; anda turning magnet, said turning magnet comprising: a winding coil; anda correction coil, said winding coil and said correction coil circumferentially wound in parallel about a magnet core, said correction coil configured to carry less than ten percent of a current of said winding coil,wherein said magnetic field sensor transmits the magnetic field signal to said treatment delivery control system,wherein said treatment delivery control system subsequently controls said correction coil using the magnetic field signal. 6. The apparatus of claim 1, wherein said sub-systems further comprise: a tomography system configured to send a tomogram directly to said treatment delivery control system; anda respiration sub-system configured to send a respiration signal directly to said treatment delivery control system,wherein none of said sub-systems of said cancer therapy unit directly communicates with another sub-system of said subsystems of said cancer therapy unit. 7. The apparatus of claim 6, said treatment delivery control system configured to use the tomogram and the respiration signal in operation of each of said injector system, said accelerator system, and said extraction system to deliver the charged particles to the tumor at a controlled period of respiration of the patient. 8. The apparatus of claim 1, said accelerator further comprising: an extraction foil, consisting essentially of atoms of atomic number six or less; anda radio-frequency cavity system configured to induce an oscillation on the positively charged particles forming oscillating positively charged particles,wherein the oscillating positively charged particles transmit with a flux through said extraction foil and slow yielding energy, the energy resultant in secondary electrons emitted from said extraction foil forming a current related to the flux, the current comprising an intensity signal related to treatment dosage,said treatment delivery control system configured to control said radio-frequency cavity system using the intensity signal to match an oncologist's treatment plan.
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