System and method for automated gastric screening

The automated gastric screening method using a magnetically actuated capsule endoscope with AI and closed-loop motion control addresses the limitations of existing systems, reducing screening duration and surgeon workload while ensuring accurate diagnosis.

JP2026510221APending Publication Date: 2026-04-02MULTI SCALE MEDICAL ROBOTICS CENTER LIMITED
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-02-16
Publication Date
2026-04-02

AI Technical Summary

Technical Problem

Current gastric cancer screening methods, particularly in developing countries, are limited due to a shortage of endoscopists, and existing wireless capsule endoscopes lack closed-loop motion control, leading to insufficient maneuverability, inefficient diagnosis, and high surgeon workload.

Method used

An automated gastric screening method using a magnetically actuated capsule endoscope with AI-based detection and a closed-loop motion controller, employing a fuzzy PID controller, Faster-RCNN for detection, and a 6D magnetic positioning strategy to navigate and capture images of the stomach's major parts.

Benefits of technology

Reduces screening duration and surgeon workload while ensuring accurate and reliable diagnostic results by enabling comprehensive gastric screening with closed-loop motion control and AI-assisted detection.

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Abstract

A system for imaging one or more specific structures in the stomach within a working space. The system comprises: a) an active capsule endoscope positioned in the stomach, comprising a camera, an inertial measurement unit, and a permanent magnet; b) an operating unit positioned at the bottom of the working space, comprising a Hall effect sensor array and a plurality of magnetic generators for generating a desired magnetic field; and c) a controller unit.
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