Importance

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Abstract

An ossicle prothesis (10) which includes, at one end, a first fastening element (11) designed as a top plate for mechanical connection with the tympanic membrane and, at the other end, a second fastening element (12) for mechanical connection with a component of the ossicular chain or with the inner ear; it also includes a rotary joint between the two fastening elements, which includes a receiving part (13) in which a rotary element (14)--which is fixedly connected with a longitudinal shank (16) which connects the two fastening elements with each other--is hingedly supported, is characterized by the fact that the receiving part is made of an elastic plastic, the receiving part is rigidly connected with the first fastening element, and the receiving part includes a cavity which is shaped such that, in the installed state, it encloses at least half of the surface of the rotary element. This results in an articulation point which is easy and cost-effective to manufacture and provides the necessary post-operative flexibility and variability of the prosthesis while greatly improving the quality of sound conduction through the prosthesis.

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First Claim