MEDICAL IMPLANT, ASSEMBLY FOR IMPLANTING THE MEDICAL IMPLANT, AND ASSEMBLY FOR DETECTING AN INTRACORPOREAL MOVEMENT PATTERN USING THE MEDICAL IMPLANT

摘要

The invention relates to a medical implant with a structure which is made of at least one biocompatible material, can be converted from a first spatially compact state into a second spatially deployed and flexibly deformable state, has a modulus of elasticity that corresponds to the wall of a blood vessel in an order of magnitude ranging from 10⁵ N m^-2 to 10⁷ N m^-2 , has at least one region with an acoustic impedance of more than 1.63·10⁶ kg/m²s, and in the second state has an effective operating surface that is flexibly deformable and at least partly reflects ultrasonic waves. The invention additionally relates to an assembly for detecting an intracorporeal movement pattern using the medical implant that has a sonographic device that is positioned extracorporeally such that ultrasonic waves which are generated by the sonographic device and which strike the effective operating surface of the intracorporeally applied medical implant and are partly reflected thereon can be used to detect changes in the spatial distance between the effective operating surface and the sonographic device.