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Miniaturized Triaxial Optical Fiber Force Sensor for MRI-Guided Minimally Invasive Surgery

Research output: Chapter in Book/Report/Conference proceedingConference paper

Original languageEnglish
Title of host publicationUnknown
Place of PublicationNEW YORK
PublisherIEEE
Pages2592 - 2597
Number of pages6
ISBN (Print)978-1-4244-5040-4
Publication statusPublished - 2010
EventIEEE International Conference on Robotics and Automation (ICRA) - Anchorage, AK
Duration: 3 May 20108 May 2010

Publication series

Name2010 IEEE INTERNATIONAL CONFERENCE ON ROBOTICS AND AUTOMATION (ICRA)

Conference

ConferenceIEEE International Conference on Robotics and Automation (ICRA)
CityAnchorage, AK
Period3/05/20108/05/2010

King's Authors

Abstract

This paper describes the design and construction of a miniaturized triaxial force sensor which can be applied inside a magnetic resonance imaging (MRI) machine. The sensing principle of the sensor is based on an optical intensity modulation mechanism that utilizes bent-tip optical fibers to measure the deflection of a compliant platform when exposed to a force. By measuring the deflection of the platform using this optical approach, the magnitude and direction of three orthogonal force components (F-x, F-y, and F-z) can be determined. The sensor prototype described in this paper demonstrates that it can perform force measurements in axial and radial directions with working ranges of +/- 2 N. Since the sensor is small in size and entirely made of nonmetallic materials, it is compatible with minimally invasive surgery (MIS) and safe to be deployed within magnetic resonance (MR) environments.

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