Pen-shaped beam dose calculation method, device and electronic equipment

By adjusting the dose distribution through a multi-particle adaptation mechanism and particle physics properties, the lack of flexibility in existing multi-particle therapy schemes has been solved, achieving precise dose control and improved treatment efficacy, thereby enhancing the safety and efficiency of treatment.

CN120571165BActive Publication Date: 2026-04-14CAS ION MEDICAL TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202510719955.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-30
Publication Date
2026-04-14
Estimated Expiration
2045-05-30

AI Technical Summary

Technical Problem

Existing pencil beam dosing calculation methods are mainly for dosing simulation and treatment planning for single particle types, and are difficult to effectively handle multi-particle situations, resulting in insufficient flexibility and adaptability of treatment plans.

Method used

Employing a multi-particle adaptation mechanism, the dose distribution of each particle type is dynamically adjusted based on particle physics characteristics and the spatial distribution requirements of the target action layer. The target pencil beam dose distribution of the multi-particle therapy scheme is calculated through ray tracing path reuse and dose convolution model configuration.

Benefits of technology

It achieves precise control of particle dosage in different depth regions, improves the efficiency of treatment dosage calculation, enhances the flexibility and safety of multi-particle treatment programs, improves treatment efficacy, simplifies the efficiency of system resource utilization, reduces system resource consumption, and enhances the safety and efficacy of treatment.

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Abstract

The present disclosure provides a pencil beam dose calculation method, comprising: acquiring human body image data; determining a plurality of particle types for treatment; calculating an initial pencil beam dose distribution corresponding to each particle type; determining a target action layer of each dose distribution in the human body image data based on the particle type, wherein the target action layer positions corresponding to different particle types are different; adjusting each initial dose distribution based on the target action layer corresponding to each particle type to obtain a particle pencil beam dose distribution corresponding to each particle type; superimposing the particle pencil beam dose distributions corresponding to each particle type to obtain a target pencil beam dose distribution; wherein the dose proportion of the particle pencil beam dose distribution corresponding to the same particle type in the target action layer is greater than the dose proportion of the particle pencil beam dose of the particle type in other parts of the human body image data.
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