[A special glass electrode for pH-measurements on biological tissues].

The institute Meinsberg of the Technische Universität Dresden developed on our demand a special glass electrode for pH-estimation on biological surfaces. We used this electrode to check pH on the gastric mucosa intraoperatively. The results show a relation between the preoperative gastric acid stimulation-test and the intraoperative assessment. In case of ulcer perforation the intraoperative estimation of pH allows some conclusions of gastric secretion and will influence the choice of surgical procedure in treatment this complication.