Biopsy puncture position positioning method and device and storage medium

By extracting and detecting features from X-ray images and calculating the distance between the imaging ring and the sheath body, the problem of inaccurate puncture position in existing technologies is solved, achieving high efficiency and accuracy in biopsy procedures.

CN117422661BActive Publication Date: 2026-06-16HANGZHOU BRONCUS MEDICAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
HANGZHOU BRONCUS MEDICAL CO LTD
Filing Date
2022-07-06
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

Existing CT or ultrasound-guided puncture biopsy techniques are difficult to accurately locate some smaller lesions, leading to repeated punctures and causing more pain to patients.

Method used

By extracting features from X-ray images, detecting the coordinates of the sheath body and the imaging ring, calculating the distance between the imaging ring and the sheath body, and sorting the imaging rings to determine their accurate positions, the location information of the biopsy device can be conveniently obtained.

🎯Benefits of technology

It significantly improves the accuracy of biopsy procedures, avoids the need for trial adjustments to the biopsy device during operation, and enhances the accuracy of puncture.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application is suitable for the technical field of image processing, and provides a biopsy puncture position positioning method and device and a storage medium, the method comprising: performing feature extraction on an X-ray image containing a sheath body and a plurality of developing rings to obtain a sheath feature map and a developing ring feature map; performing detection on the sheath feature map and the developing ring feature map to obtain a first coordinate set and a second coordinate set respectively; mapping the coordinates of the pixel points of the first coordinate set and the second coordinate set to a coordinate system in which the X-ray image is located to obtain a sheath body coordinate in the X-ray image and a developing ring coordinate of each developing ring; calculating the distance between each developing ring and the sheath body according to the coordinates; and sorting each developing ring according to the distance, so as to determine the accurate position information of the sheath body and each developing ring. Then, the accurate position information obtained can be used to position each biopsy device passing through the sheath, so that the position information of the biopsy device can be conveniently obtained.
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