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Realization of a middle ear prosthesis

We present a prosthesis meant to replace the tympano-ossicular set. Such biocompatible materials as silicone elastomer and Teflon are used. The artificial eardrum consists of a plane, circular or elliptic membrane. The vibration modes of these membranes have been worked out. The influence of different parameters has been studied, in particular the aging and the sterilization. The response of the prosthesis is compared to that of the human eardrum. The clinical results of six implantations are also presented.