Puncture Needle Position Correction With Image-Guided Robotic Guidance
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Solution Overview
Problem
Current master-slave real-time guided puncture solutions rely heavily on physician experience, leading to inaccurate punctures, prolonged surgery times, increased patient pain, and higher radiation doses due to multiple scans and adjustments.
Innovation Solution
A puncture assistance system and device that includes a processor to generate puncture guidance information based on preoperative and real-time images, a surgical robot with a positioning correction module to adjust needle position, and a display module to guide the puncture operation, reducing reliance on physician experience and ensuring accurate punctures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If master-slave real-time guided puncture solution is used, then radiation protection for physician is improved, but puncture accuracy deteriorates due to reliance on physician experience
Solution Approach 1:
The system uses automatic needle position recognition and automated coordinate transformation between image space and robot space, enabling the system to self-correct and self-guide the puncture process without relying on physician experience for position judgment
Solution Approach 2:
The patent replaces the manual mechanical guidance method (physician visual judgment and manual control) with an automated computer vision system that uses image processing and coordinate transformation algorithms to guide the puncture needle
2Measurement precision
If multiple posture adjustments and scans are performed, then puncture accuracy is improved, but surgery time is prolonged
Solution Approach 1:
The system performs preliminary coordinate transformation and needle position recognition before the actual puncture operation, allowing the physician to plan the puncture path in advance and execute it efficiently without repeated adjustments during surgery
Solution Approach 2:
The system provides real-time feedback by displaying the needle position overlaid on the scan image, allowing the physician to monitor puncture progress continuously and make minimal adjustments only when necessary
3Measurement precision
If multiple scans are performed, then puncture accuracy is improved, but radiation dose to patient is increased
Solution Approach 1:
The system uses periodic scanning at key stages (preoperative planning and intraoperative guidance) rather than continuous scanning, reducing cumulative radiation exposure while maintaining adequate monitoring of needle position
4Measurement precision
If multiple posture adjustments are performed, then puncture accuracy is improved, but patient pain is increased
Solution Approach 1:
The system performs preliminary coordinate transformation and puncture path planning before the actual puncture, allowing the optimal path to be determined in advance and executed with minimal needle repositioning during the procedure
Data Source
AI summary
Provided is a puncture assistance system, a puncture assistance device, a puncture needle position correction system, and a surgical robot. The system includes a processor configured to: obtain a scan image of a target object; the scan image including at least one of a preoperative image, a first image from a first time period, and a second image from a second time period; the first time period is earlier than the second time period; generate puncture guidance information based on puncture status information and the scan image; guide a puncture operation based on the puncture guidance information; and display the puncture guidance information.