Ossicle prosthesis comprising a built-up attaching element
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United States of America Patent
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Feb 16, 2016
Grant Date -
Oct 9, 2014
app pub date -
Apr 7, 2014
filing date -
Apr 8, 2013
priority date (Note) -
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Abstract
An ossicular prosthesis formed as a sound-conducting, elongated prosthesis body has a first coupling element designed as a tympanic membrane top plate or a clip or a connecting piece to an actuator end piece of an active hearing implant and a second coupling element provided with an access opening into a receiving space designed as a bell or a clip for a mechanical connection of the prosthesis to the head of the stapes. The second coupling element has a backing section on an inner surface of the receiving space as an axial extension of the prosthesis body. The backing section protrudes from the prosthesis body into the receiving space. In an implanted state, the backing section bears against a head of the stapes and prevents a formation of a hollow space between the stapes and an inner surface of the receiving space in an axial extension of the elongated prosthesis body. As a result, additional degrees of freedom are obtained for individualized adaptation to anatomical circumstances of a specific patient in terms of shape, size and position of the patient's stapes bone.
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