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US 11,439,834 B2Granted
Fixation system for an implantable medical device
AssigneeCochlear Limited
InventorsPeter Gibson, Lars Vendelbo Johansen
Life of this patent
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Abstract
A medical implant, such as an implantable component (22) of a tissue-stimulating prosthesis. One example of such a prosthesis being a cochlear implant. The component (22) is adapted to be implanted at or adjacent a tissue surface within the recipient, such as a bone surface. The component (22) has a housing and at least one flange (42) extending outwardly therefrom. The flange (42) can be secured to the tissue surface via a tissue fixation device, such as a bone screw (43).
Claims30
An implantable component of a cochlear implant, comprising:
- a housing containing electronic components of the implant;
- a communications coil;
- and
- two silicone rubber flanges configured to secure the implantable component to bone via respective bone screws extending through respective holes in the respective flanges to secure the implantable component to the bone, wherein
- the housing and the communications coil are encased in an encasement,
- the encasement is formed of silicone rubber,
- the silicone rubber flanges are projections of the silicone rubber away from the encasement, and
- the silicone rubber flanges are self-supporting distinct structural components.
5 more elements
An implantable component of a cochlear implant, comprising:
- a housing containing electronic components of the implant;
- a communications coil;
- and
- two silicone rubber flanges configured to secure the implantable component to bone via respective bone screws extending through respective holes in the respective flanges to secure the implantable component to the bone, wherein
- the housing has a coating of silicone rubber, and
- the silicone rubber flanges are projections of silicone rubber of the silicone rubber coating away from the housing.
3 more elements
Dependencies are inferred from the claim text.