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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics


  • Editor: Gregory W. Faris
  • Vol. 4, Iss. 5 — May. 5, 2009

In-vivo demonstration of a high resolution optical fiber manometry catheter for diagnosis of gastrointestinal motility disorders

J. W. Arkwright, N. G. Blenman, I. D. Underhill, S. A. Maunder, M. M. Szczesniak, P. G. Dinning, and I. J. Cook  »View Author Affiliations

Optics Express, Vol. 17, Issue 6, pp. 4500-4508 (2009)

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Fiber optic catheters for the diagnosis of gastrointestinal motility disorders are demonstrated in-vitro and in-vivo. Single element catheters have been verified against existing solid state catheters and a multi-element catheter has been demonstrated for localized and full esophageal monitoring. The multi-element catheter consists of a series of closely spaced pressure sensors that pick up the peristaltic wave traveling along the gastrointestinal (GI) tract. The sensors are spaced on a 10 mm pitch allowing a full interpolated image of intraluminal pressure to be generated. Details are given of in-vivo trials of a 32-element catheter in the human oesophagus and the suitability of similar catheters for clinical evaluation in other regions of the human digestive tract is discussed. The fiber optic catheter is significantly smaller and more flexible than similar commercially available devices making intubation easier and improving patient tolerance during diagnostic procedures.

© 2009 Optical Society of America

OCIS Codes
(170.2680) Medical optics and biotechnology : Gastrointestinal
(170.3890) Medical optics and biotechnology : Medical optics instrumentation
(060.3735) Fiber optics and optical communications : Fiber Bragg gratings

ToC Category:
Medical Optics and Biotechnology

Original Manuscript: January 28, 2009
Revised Manuscript: March 3, 2009
Manuscript Accepted: March 4, 2009
Published: March 5, 2009

Virtual Issues
Vol. 4, Iss. 5 Virtual Journal for Biomedical Optics

J. W. Arkwright, N. G. Blenman, I. D. Underhill, S. A. Maunder, M. M. Szczesniak, P. G. Dinning, and I. J. Cook, "In-vivo demonstration of a high resolution optical fiber manometry catheter for diagnosis of gastrointestinal motility disorders," Opt. Express 17, 4500-4508 (2009)

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