The Panendoscope F7 with a diameter of 9.5 mm, originally designed for pediatric endoscopy, was used in adults. First results are reported. The instrument has a shorter flexible tip facilitating biopsies in the esophagus. During exploration of the duodenal bulb tip of the instrument can be inverted in most cases allowing inspection of the pyloric region of the duodenum. The aboral part of a gastrojejunal anastomosis after partial gastrectomy can be visualized with the inverted tip of the panendoscope as well. The instrument does also facilitate endoscopic examination of the remaining stomach and of the afferent loop in patients partially gastrectomized. Emergency endoscopy can be done while a gastric tube removing blood during the examination may stay in position.