Stomach-spanning gastric implants

摘要: A variety of passive intragastric implant devices for obesity treatment are disclosed. Such implants do not autonomously change shape, but instead react within the stomach to induce satiety. The may take up volume stomach, thus reducing digestive capacity. Additionally, contact areas such as cardia surrounding esophageal sphincter, stimulate satiety-inducing nerves. Also, a number slow gastric emptying by blocking or otherwise impeding flow through pyloric sphincter. Other delay digestion providing duodenal sleeve. combine two more these features. Methods disclosed including compressing delivery tube and transorally advancing esophagus be deployed stomach. Removal occurs in reverse.