Open System Architecture for GERD pH and Impedance Measurement

In the last years, companies which provide consumables and medical devices have developed several catheter designs to study Gastroesophageal Reflux Disease (GERD). If research groups want to incorporate the information from this catheter together with more biological parameters for their studies, open systems must be developed, allowing the integration of different probes with general purpose digital acquisition systems. This paper presents the comparison of the results of proposed probes in literature, focus on innovative solutions more suitable for medical applications.