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Researchers Develop RFID System to Monitor Acid Reflux |
| Date |
2007-04-16
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3,050 |
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A University of Texas Arlington group has developed a passive RFID tag and reader for wirelessly detecting the presence of stomach acid, gas and water in the esophagus.
By Claire Swedberg
April 10, 2007—Members of the University of Texas Arlington's electrical engineering department are set to begin using animals to test an RFID-based system that would replace the wired sensors currently employed to diagnose gastroesophageal acid reflux. The department has been working with the University of Texas Southwestern Medical Center (UT Southwestern) for the past two years to develop a device that would allow doctors to monitor a patient's reflux condition wirelessly.
Currently, acid reflux testing requires an uncomfortable procedure that makes it very difficult for a patient to eat and behave normally, which is necessary for accurate testing. A basic acid reflux test involves the use of a multichannel intraluminal impedance catheter, a wired sensor that runs through the patient's nostril and into the esophagus. The wires are attached externally to a PDA worn by the patient on a belt. The patient is then instructed to follow his or her normal dietary and activity routine for the next 24 to 48 hours, with the wire attached.
Full Story:
http://www.rfidjournal.com/article/articleview/3223/1/1/
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