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This work presents an on-going investigation of the control of a pneumatic soft-robot actuator addressing accurate patient positioning systems in maskless head and neck cancer radiotherapy. ... We then use the model to design a linear quadratic Gaussian feedback controller to manipulate the patient head position based on sensed head pitch motion. ... INTRODUCTION This paper presents a continuation of our investigation of an image-guided soft robot patient positioning system for use in head and neck (H&N) cancer radiotherapy (RT). ...arXiv:1610.01481v1 fatcat:chmucqo3pfc27irjdezonpqb4y
Position-based visual-servoing of a radio-transparent soft robot is used to control the flexion/extension cranial motion of a manikin head. ... We present an initial examination of a novel approach to accurately position a patient during head and neck intensity modulated radiotherapy (IMRT). ... INTRODUCTION This paper presents a systematic initial examination of an image-guided soft robot patient positioning system for use in head and neck (H&N) cancer radiotherapy (RT). ...doi:10.1118/1.4924100 fatcat:n2a6lzjbmbgllele7jkfimfkcq
Precise patient positioning is fundamental to successful removal of malignant tumors during treatment of head and neck cancers. ... We validate Soft-NeuroAdapt on a 3D printed head-and-neck dummy, and demonstrate that the controller provides adaptive actuation that compensates for intrafractional deviations in patient positioning. ... INTRODUCTION Radiation-based treatment of head and neck (H&N) cancers often involve intensity-modulated radiotherapy (IMRT), which modulate radiation dosage and shaping of treatment beam to the precise ...arXiv:1703.03821v4 fatcat:k77nr6oyprcmtkwwjbu3hlilxy