Development of an AMR-ACB Array for Gastrointestinal Motility Studies

The association between anisotropic magnetoresistive (AMR) sensor and AC biosusceptometry (ACB) to evaluate gastrointestinal motility is presented. The AMR-ACB system was successfully characterized in a bench-top study, and in vivo results were compared with those obtained by means of simultaneous m...

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Bibliographic Details
Published in:IEEE transactions on biomedical engineering 2012-10, Vol.59 (10), p.2737-2743
Main Authors: Paixão, Fabiano C., Corá, Luciana A., Américo, Madileine F., de Oliveira, Ricardo Brandt, Baffa, Oswaldo, Miranda, José Ricardo A.
Format: Article
Language:English
Subjects:
Animals
Anisotropy
Arrays
Biological and medical sciences
Biomagnetics
biomedical equipment
biosusceptometry
Coils
Detectors
Dogs
Electromagnetic Fields
Equipment Design
Functional investigation of the digestive system
gastroenterology
Gastrointestinal Motility - physiology
Investigative techniques, diagnostic techniques (general aspects)
Magnetic field measurement
Magnetic fields
Magnetization
magnetoresistive device
Manometry - instrumentation
Manometry - methods
Medical sciences
Models, Theoretical
Monitoring, Physiologic - instrumentation
Monitoring, Physiologic - methods
Sensitivity
Signal Processing, Computer-Assisted
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Summary:The association between anisotropic magnetoresistive (AMR) sensor and AC biosusceptometry (ACB) to evaluate gastrointestinal motility is presented. The AMR-ACB system was successfully characterized in a bench-top study, and in vivo results were compared with those obtained by means of simultaneous manometry. Both AMR-ACB and manometry techniques presented high temporal cross correlation between the two periodicals signals ( R = 0.9 ±0.1; P
ISSN:0018-9294
1558-2531
DOI:10.1109/TBME.2012.2208748