Coated Layer Photon Emission for Charged Particle Beam Positioning
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Solution Overview
Problem
Current charged particle irradiation therapy systems lack the ability to individually control energy, cross-sectional beam shape, and focal point of charged particle beams, which are essential for precise treatment of varying tumor shapes and patient-specific conditions.
Innovation Solution
A view sheet assisted charged particle beam delivery and control system that uses coated layers to emit photons upon interaction with charged particles, allowing for precise determination of beam position and control through imaging and tomographic imaging systems, enabling multi-axis and multi-field raster beam control for accurate tumor treatment while minimizing exposure to healthy tissue.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional charged particle irradiation therapy systems are used, then treatment can be delivered to tumors, but individual control of beam energy, cross-sectional shape, and focal point is insufficient
Solution Approach 1:
The patent divides the charged particle beam into multiple selectable energy groups (e.g., first energy group, second energy group) with different penetration depths. By segmenting the beam energy spectrum and selectively delivering specific energy groups to different tumor regions, the system achieves individual control over beam energy, focal point, and cross-sectional shape, thereby resolving the contradiction between adaptability and treatment precision.
2Reliability
If charged particle beams are delivered to tumors, then cancer treatment is achieved, but exposure of healthy tissue to radiation occurs
Solution Approach 1:
The patent applies local quality by delivering charged particle beams with different energy levels to different spatial locations within the tumor. Higher energy beams target deeper tumor regions while lower energy beams treat superficial areas, with each region receiving precisely the energy needed. This localized energy distribution ensures effective tumor treatment while minimizing radiation exposure to surrounding healthy tissue, as healthy tissue outside the target volume receives minimal or no radiation.
3Manufacturing precision
If multiple energy groups are used to improve beam control, then treatment precision increases, but system complexity increases
Solution Approach 1:
The patent employs dynamic control mechanisms that allow real-time adjustment of beam energy groups and delivery parameters. The system dynamically selects and switches between different energy groups based on treatment requirements, enabling precise control over beam penetration depth and focal point. This dynamic adaptability achieves high treatment precision without requiring permanently complex hardware configurations, as the system can reconfigure beam parameters software-controlled during treatment delivery.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This system allows for precise control of proton beam energy, intensity, and distribution, ensuring effective and uniform radiation delivery to tumors while minimizing exposure to healthy tissue, thereby improving the accuracy and safety of cancer treatment.
Implementation Method 1
uses coated layers to emit photons upon interaction with charged particles
Data Source
AI summary
The invention comprises a system for determining the state of a charged particle beam, such as beam position, intensity, and/or energy. For example, the charged particle beam state is determined at or about a patient undergoing charged particle cancer therapy using one or more film layers designed to emit photons upon passage of a charged particle beam, which yields information on position and/or intensity of the charged particle beam. The emitted photons are used to calculate position of the treatment beam in imaging and/or during tumor treatment. Optionally and preferably, updating a tomography map uses the same hardware with the same alignment used for cancer therapy at proximately the same time.