Abstract
This paper presents a flexible needle guidance system and its workflow that enables registration of computed tomography (CT) and electromagnetic (EM) tracking systems with a finite element (FE) simulator for needle-based percutaneous spinal injections. CT is used only pre- and postoperatively for surgical planning and confirmation, while EM tracking is combined intraoperatively with an FE-based needle controller to track the planned needle trajectory and avoid obstacles. Evaluation of the proposed system using a multi-layer soft tissue phantom shows an average targeting accuracy of 0.4 mm.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 51-57 |
| Number of pages | 7 |
| Journal | International Symposium on Medical Robotics, ISMR |
| Issue number | 2025 |
| DOIs | |
| State | Published - 2025 |
| Externally published | Yes |
| Event | 2025 International Symposium on Medical Robotics, ISMR 2025 - Atlanta, United States Duration: May 14 2025 → May 16 2025 |
ASJC Scopus subject areas
- Artificial Intelligence
- Computer Science Applications
- Biomedical Engineering
- Surgery
- Instrumentation
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