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SU-E-I-28: Development of Graphic Patient Models for a Real-Time Skin Dose Tracking System (DTS) for Fluoroscopic
V Rana1,2, D Bednarek1,2, J Wu1,2
1Universityat Buffalo (SUNY), Buffalo, NY.
Medical Physics
|May 19, 2017
Summary
A new library of 3D human graphic models improves patient skin dose estimation during fluoroscopic procedures. This system enhances accuracy by matching patient anatomy for better dose tracking.
Area of Science:
- Medical Physics
- Radiological Imaging
- Computational Anatomy
Background:
- Accurate patient skin dose estimation is crucial for interventional fluoroscopic procedures.
- Existing methods may lack precision due to patient anatomical variations.
Purpose of the Study:
- To develop a library of graphic human models for precise patient skin dose estimation.
- To enhance the accuracy of dose tracking systems (DTS) in real-time fluoroscopy.
Main Methods:
- Developed a dose tracking system (DTS) using graphical simulation and inverse-square correction.
- Created a library of 3D human graphic models varying in body type, sex, height, and weight.
- Utilized open-source software for morphing and posing models to match patient positioning.
Main Results:
- A series of male and female graphic models were developed with adjustable weight and height.
- Models were created in standard positions (arms at side, arms overhead).
- Expected skin dose calculation error is below 5% if graphic surface matches patient surface within 1 cm.
Conclusions:
- A categorized library of body shapes enables accurate graphic-to-patient matching.
- This facilitates more precise skin dose determination using the DTS.
- Supported by NIH grants and Toshiba Medical Systems Corporation.
