IMPLANTABLE DEVICE WHICH IS FREELY MOVABLE IN A BODY CAVITY

摘要

An implantable medical device (10) for insertion into a body cavity. The device comprises an expandable balloon having a torroidal shape defining a hole (80), and an insert (82) configured to be received and secured in the hole. The device may be used in a method for treating urinary incompetence, a method for releasing a substance in the body, a method for monitoring a body cavity, or a method for imaging a body cavity.