intrauterine system for long periods of insertion into the uterine cavity and method to manufacture an intrauterine system

摘要

intrauterine system for long periods of insertion into the uterine cavity and method for making an intrauterine system the present invention relates to new intrauterine systems and methods for making these systems. an intrauterine system according to the present invention comprises a reservoir (2) and a continuous, flexible and closed frame (1).