Kloeck, B.van den Vlekkert, H. H.de Rooij, N. F.Mundwyler, M.Anagnostopoulos, K.2009-05-122009-05-122009-05-12198910.1016/0250-6874(89)80043-5https://infoscience.epfl.ch/handle/20.500.14299/39466A combined pH-pressure sensor, mounted in an 8F double-lumen catheter, is described for the investigation of the oesophageal function. The advantages of the sensor design with back-side contacts are outlined. Preliminary in vivo experiments are presented, which show satisfactory results for simultaneous pH and pressure measurements.text::journal::journal article::research article