Validation of a thoraco-abdominal motion phantom for robotic surgery's respiration tracking study

Abstract

Respiratory motion, as a dominant biological factor, imposes two primary challenges in radiotherapy: firstly, ensuring accurate spatial targeting of the tumor volume, and secondly, constraining radiation beams to minimize collateral damage to adjacent healthy tissues. Therefore, it is necessary to build a simulation platform for respiration tracking study before performing live surgery. In our previous work, a thoraco-abdominal respiratory motion phantom was proposed for simulating motion of chest, abdomen and internal tumor, which is helpful for respiratory motion tracking experiment. This paper validated that the phantom can reproduce the correlated respiratory movement of skin surface and tumor through experiments and analysis, which proves that the phantom can be used as an experimental components for the respiration tracking study of robotic radiosurgery.

Keywords

Robotic radiosurgery / Respiration tracking / Dynamic thoraco and abdominal phantom

CRediT authorship contribution statement

Xueqing Yu: Writing – original draft. Shumei Yu: Writing – review & editing, Funding acquisition. Yueyang Zhang: Validation. Liang Qiu: Methodology. Rongchuan Sun: Project administration. Shaolong Kuang: Funding acquisition. Lining Sun: Resources.

Declaration of competing interest

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Acknowledgments

This work is supported by the National Key R&D Program of China “Wearable robot for human-machine integrated cardiopulmonary assistance” (2024YFB4710000), and the Key Project of Jiangsu Key Laboratory of Advanced Robotics (ZZ2206).

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