Sachie Irisawa

Tokyo University of Agriculture and Technology

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About

Sachie Irisawa is a robotics and medical engineering researcher whose work sits at the intersection of robotic systems, therapeutic ultrasound, and minimally invasive medical procedures. Her research focuses on developing intelligent robotic platforms for precise ultrasound transducer positioning, with particular emphasis on high-intensity focused ultrasound (HIFU) therapy and acoustic drug and gene delivery using microbubbles in blood vessels. Among her most notable contributions is the development of a parallel link robotic system capable of accurately positioning ultrasound transducers for in vivo therapeutic applications — a technically demanding challenge that demands sub-millimeter precision in dynamic biological environments. Her 2013 work on active compliance control for robotic ultrasound probe handling introduced an innovative support system that assists clinicians during manual probe scanning, improving both safety and consistency in clinical settings. Earlier work from 2012 demonstrated robotic 3D positioning of therapeutic ultrasonic fields guided by real-time ultrasound image feedback, laying important groundwork for image-guided robotic therapy. With citations across her key publications, Irisawa's research has made meaningful contributions to the emerging field of medical robotics, advancing the feasibility of targeted, non-invasive ultrasonic therapies and pointing toward more precise, automated clinical interventions in vascular medicine.