Patent ID: 8764827
Filing Date: 2014-07-01
Classification: A61F

Abstract:
1. A test device ( 1 ) comprising an ossicular prosthesis ( 2 ) for implantation in the middle ear, which replaces or bridges at least one component or parts of a component of the human ossicular chain, wherein the ossicular prosthesis ( 2 ) includes, at one end thereof, a first fastening element ( 2 a ) for mechanical connection to the tympanic membrane or a component of the ossicular chain, and, at the other end thereof, includes a second fastening element ( 2 b ) for mechanical connection to a further component, or parts of a component, of the ossicular chain, or directly to the inner ear, and includes a connecting element ( 2 c ) that connects the two fastening elements ( 2 a , 2 b ) in a sound-conducting manner, and wherein at least parts of the ossicular prosthesis ( 2 ) are made of a material having memory effect and are subjected to shape-altering thermal treatment when the ossicular prosthesis ( 2 ) is implanted in the middle ear, characterized in that the test device (