A multi-channel image tube and a method for manufacturing the same

By constructing a three-dimensional imaging network in the treatment catheter, the problem of signal loss in MR images of traditional applicators is solved, enabling precise positioning of the applicator and multi-point collaborative treatment, thus improving the accuracy and safety of treatment.

CN122351684APending Publication Date: 2026-07-10SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
SUN YAT SEN UNIVERSITY CANCER CENTER (CANCER HOSPITAL AFFILIATED TO SUN YAT SEN UNIVERSITY CANCER RESEARCH INSTITUTE OF SUN YAT SEN UNIVERSITY)
Filing Date
2026-03-25
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Traditional treatment catheters or applicators exhibit signal loss in MRI images, leading to blurred positioning, affecting the precise execution of treatment plans, potentially resulting in uneven treatment dose distribution, insufficient lesion targeting, and even the risk of complications.

Method used

A multi-channel imaging tube is designed to form a continuous three-dimensional imaging network by filling the tubular body with imaging material, ensuring that the applicator can be accurately identified in MR scanning. The tubular body, made of biocompatible polymer material, is equipped with a first central channel and surrounding channels, and the imaging network is constructed through partitions and connecting gaps.

Benefits of technology

This technology enables clear imaging of the applicator on MR images, accurately identifies the insertion depth and location, provides a reliable basis for treatment plans, and improves the precision and safety of treatment.

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Abstract

This invention provides a multi-channel imaging tube and its preparation method, belonging to the field of medical device technology. The imaging tube includes a tubular body with a cavity for accommodating imaging material. The tubular body has a first central channel and several peripheral channels, with the central channel's axis coinciding with the axis of the tubular body. The peripheral channels are located around the first central channel, and their axes are aligned along the length of the tubular body. Multiple first partitions are arranged in parallel within the tubular body, each partition along its length; a first connecting gap is provided between the edge of each partition and the inner wall of the tubular body. This imaging tube, by filling the tubular body with imaging material to form a continuous three-dimensional imaging network, allows the applicator to be completely surrounded by the high-signal imaging material, enabling accurate identification of the applicator's location during MR scanning and providing a reliable basis for precise execution of treatment plans.
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