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Patent AT-E401841-T1: [Translated] AUDITORIAL ossicle prosthesis with elastic swivel joint

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Metadata Last Checked: September 07, 2025 | Last Modified: 2025-09-06
An ossicle prosthesis (10) that replaces or bridges component(s) or parts of a component of the ossicular chain, comprises a rotary joint between two fastening elements (11, 12) comprising a silicone or polytetrafluoroethylene receiving part (13) in which a metal rotary element (14) fixedly connected with a metal longitudinal shank (16) that connects the two fastening elements is hingedly supported. The elastic plastic receiving part is rigidly connected with first fastening element. It comprises a cavity that encloses at least half of the surface of the rotary element in its installed state. An ossicle prosthesis that replaces or bridges component(s) or parts of a component of the ossicular chain, comprises a first fastening element at one end designed as a top plate for mechanical connection with the tympanic membrane; a second fastening element at the other end for mechanical connection with a component or parts of the ossicular chain or with the inner ear; and a rotary joint between the two fastening elements comprising a silicone or polytetrafluoroethylene receiving part in which a metal rotary element fixedly connected with a metal longitudinal shank that connects the two fastening elements is hingedly supported. The receiving part is made of an elastic plastic. It is rigidly connected with the first fastening element, and comprises a cavity shaped in such a way that when in an installed state, it encloses at least half of the surface of the rotary element.

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