Releasing device use for releasing therapeutic or diagnostically effective substances in digestive tract, has magnetic caps biased to closed state by spring such that caps are opened by application of magnetic force

摘要

The releasing device includes caps (1,2) which are biased to mutually contact each and be set in a closed state by a spring (4). The caps are made from magnetic and soft materials. The caps are opened to release a substance by the application of a magnetic force which can overcome the biasing force of the spring.