IC 010. US 026 039 044. G & S: MEDICAL DIAGNOSTIC INSTRUMENTS FOR TESTING THE MOTILITY AND REFLUX OF THE GASTROINTESTINAL TRACT; DIAGNOSTIC INSTRUMENTS FOR DETERMINING MOVEMENT OF A BOLUS AND BOLUS VOLUME IN THE HUMAN GASTROINTESTINAL TRACT; MEDICAL DIAGNOSTIC PROBES AND CATHETERS; MEDICAL DEVICES, NAMELY DIAGNOSTIC DEVICES FOR MEASURING ESOPHAGEAL FUNCTION. FIRST USE: 20070420. FIRST USE IN COMMERCE: 20070420
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