Abstract
This paper presents a magnetically guided catheter for minimally invasive surgery (MIS) with a magnetic force sensing tip. The force sensing element utilizes a magnetic Hall sensor and a miniature permanent magnet mounted on a flexible encapsulation acting as the sensing membrane. It is capable of high sensitivity and robust force measurements suitable for in-vivo applications. A second larger magnet placed on the catheter allows the catheter to be guided by applying magnetic fields. Precise orientation control can be achieved with an external magnetic manipulation system. The proposed device can be used in many applications of minimally invasive surgery (MIS) to detect forces applied on tissue during procedures or to characterize different types of tissue for diagnosis.
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Schedule a callMore From: Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
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