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An energy modulation device for particle therapy and method of using the same

An energy and particle technology, used in X-ray/γ-ray/particle irradiation therapy, treatment, radiotherapy, etc., to reduce the cost, simplify the treatment procedure, and shorten the treatment time.

Active Publication Date: 2019-06-18
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The drawback of requiring multiple sector energy modulators is resolved with one device

Method used

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  • An energy modulation device for particle therapy and method of using the same
  • An energy modulation device for particle therapy and method of using the same
  • An energy modulation device for particle therapy and method of using the same

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Embodiment Construction

[0015] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0016] Such as figure 1 As shown, the energy modulation device for particle therapy provided by the present invention has main components, mainly including a horizontal motion motor 1, a horizontal motion support mechanism 2, a modulator support mechanism 3, a rotating motor 4, and a fan-shaped energy modulator Disk 5. Among them, the horizontal motion motor 1 is installed on one side of the horizontal motion support mechanism 2 and can drive the horizontal motion support mechanism 2 to move horizontally; the fan-shaped energy modulator disc 5 and the rotary motor 4 are respectively installed on the upper and lower sides of the modulator support mechanism 3 , and the rotating motor 4 can drive the fan-shaped energy modulator disk 5 to rotate. Figure 4 It is a schematic diagram of the radial curved surface change of the fan-shaped object block of th...

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Abstract

The invention relates to an energy modulation device for particle treatment and a using method of the energy modulation device. The energy modulation device comprises a horizontal moving motor, a horizontal moving support mechanism, a modulator support mechanism, a rotary motor, a fan-shaped energy modulator disc. The horizontal moving motor is installed on one side of the horizontal moving support mechanism and is capable of driving the horizontal moving support mechanism to horizontally move. The fan-shaped energy modulator and the rotary fan are respectively arranged on upper and lower sides of the modulator support mechanism. The rotary motor is capable of driving the fan-shaped energy modulator to rotate. According to the invention, by use of fan-shaped object block with a curve fan which is uniformly changed in the radial and axial directions, Bragg peak extension in different widths of particle beams is achieved; by only using one device, and defects for requirement of multiple modulators are avoided without frequently changing modulators with different widths, so treatment procedures are simplified, treatment time is shortened and manufacturing cost is reduced.

Description

technical field [0001] The invention belongs to the technical fields of particle accelerators and tumor treatment, and in particular relates to a device for proton or heavy ion therapy that can expand the width of the Bragg peak of particle beams. Background technique [0002] In the field of particle accelerators, especially in the field of accelerator technology for proton and heavy ion therapy, the unique Bragg peak technology of protons and heavy ions is used to carry out tumor treatment. At present, particle therapy technology has two main particle beam treatment methods: scattered beam and scanning beam. The advantages of scattered beam are that it does not require fast scanning magnets, has a simple structure, fast treatment speed, and uniform particle beam energy distribution. In the scattered beam therapy method, an energy degrader is needed to change the energy of the particle beam, and an energy modulation device is needed at the same time. Particle beam, that is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61N5/10
CPCA61N5/1042A61N5/1045A61N2005/1087
Inventor 管锋平魏素敏王飞
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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