Beam guide

The monitoring system addresses the inefficiencies of light irradiation fields by using real-time data and 3D cameras to create a virtual light field, ensuring precise beam alignment and automatic detection of deviations, thereby reducing unintended irradiation during radiation therapy.

JP2026120099APending Publication Date: 2026-07-21VISION RT LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
VISION RT LTD
Filing Date
2026-01-07
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The use of light irradiation fields during radiation therapy is labor-intensive and prone to interpretation variations, leading to inaccurate beam alignment and increased risk of unintended irradiation, especially with the decline of systems incorporating such fields.

Method used

A monitoring system that utilizes real-time data and 3D cameras to create a virtual light field, allowing for precise beam projection mapping and automatic detection of discrepancies, ensuring accurate alignment and minimizing unintended irradiation.

Benefits of technology

Enables efficient, accurate beam alignment by providing a virtual light field, reducing the need for additional light sources and ensuring radiation is directed only to intended areas, with automatic detection of deviations and fail-safes to prevent unintended exposure.

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Abstract

To provide an improved monitoring system for radiation therapy. [Solution] The monitoring system for radiotherapy includes a processor. The monitoring system is configured to acquire a radiotherapy plan including one or more settings for the radiation source, acquire real-time data indicating the surface of the target to be irradiated, determine a modeled surface of the target based on the real-time data, determine the beam projection based on the radiotherapy plan, determine the bonding surface of the target by mapping the beam projection to the modeled surface, and output the bonding surface.
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