Publication: Miniaturized triaxial optical fiber force sensor for MRI-guided minimally invasive surgery
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ISSN: 1050-4729
ISBN: 978-1-4244-5040-4 (online)
ISBN: 978-1-4244-5038-1 (print)
Publication date
2010-07
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Tutors
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IEEE
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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 (Fx, Fy, and Fz) 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.
Description
Proceedings of: 2010 IEEE International Conference on Robotics and Automation (ICRA'10), May 3-8, 2010, Anchorage (Alaska, USA)
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Bibliographic citation
2010 IEEE International Conference on Robotics and Automation (ICRA) (pp. 2592-2597)