Auditory ossicle prosthesis with stabiliser element
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United States of America Patent
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Apr 1, 2014
Grant Date -
Aug 2, 2012
app pub date -
Jan 25, 2012
filing date -
Jan 29, 2011
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Abstract
An auditory ossicle prosthesis (10) with a sound transmitting prosthesis body (13) has first and second coupling elements (11, 12) provided at opposite ends. A stabilizer element (14) fixes the prosthesis on a level with the plane of the tympanic membrane and stabilizes the position of the prosthesis in the middle ear. A fixation part (14.2) anchors the Y-shaped stabilizer element at one or more places of the ear canal wall. The fixation part includes two hooked anchoring elements (16) that secure the fixation part in artificially drilled holes in the ear canal wall. The auditory ossicle prosthesis has a particularly simple and compact design and stays spatially fixed within very small variations in its initial position after implantation inside the middle ear cavity, providing effective protection against post-operative dislocation, tilting or tipping and without deteriorating sound transmission properties of the prosthesis.
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