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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 17 — Aug. 26, 2013
  • pp: 19799–19807

An optical fiber Bragg grating force sensor for monitoring sub-bandage pressure during compression therapy

David Hsiao-Chuan Wang, Neil Blenman, Simon Maunder, Vicki Patton, and John Arkwright  »View Author Affiliations


Optics Express, Vol. 21, Issue 17, pp. 19799-19807 (2013)
http://dx.doi.org/10.1364/OE.21.019799


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Abstract

Graduated compression bandaging of the lower limbs is the primary therapy for venous leg ulcers with its efficacy believed to be predominantly dependent on the amount and the distribution of the compressive pressure applied. There has been on-going demand for an ideal sensor to facilitate in-vivo monitoring of the sub-bandage pressure. Several methods and devices have been reported but each has its limitations, such as bulkiness, low tolerance to movement, susceptible to thermal noise and single point sensing. An optical fiber force sensor is demonstrated, consisting of two arrays of fiber Bragg grating (FBG) entwined in a double helix form and packaged with contact-force sensitivity. This sensor array has inherent temperature immunity and is capable of real-time, distributed sensing of sub-bandage pressure. The calibration results of the sensor array, as well as the validation human trial results, are presented.

© 2013 OSA

OCIS Codes
(060.2370) Fiber optics and optical communications : Fiber optics sensors
(170.1870) Medical optics and biotechnology : Dermatology
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings
(280.5475) Remote sensing and sensors : Pressure measurement

ToC Category:
Medical Optics and Biotechnology

History
Original Manuscript: May 20, 2013
Manuscript Accepted: August 4, 2013
Published: August 15, 2013

Virtual Issues
Vol. 8, Iss. 9 Virtual Journal for Biomedical Optics

Citation
David Hsiao-Chuan Wang, Neil Blenman, Simon Maunder, Vicki Patton, and John Arkwright, "An optical fiber Bragg grating force sensor for monitoring sub-bandage pressure during compression therapy," Opt. Express 21, 19799-19807 (2013)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-21-17-19799


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References

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