Cochlear implant electrode assembly
OwnerFysh Dadd, Claudiu Treaba +1inventors
InventorsFysh Dadd, Claudiu Treaba, C. Roger Leigh
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Abstract
Disclosed is a lead for a cochlear implant modified so as to provide increased robustness to the lead. In one aspect, the lead has a helix region having an increased length such that it extends into a mastoid cavity of a patient when in situ. Also disclosed is a cochlear implant having a lead as described herein. In another aspect, the lead has an increased lead angle between the helix region and the transition region.
Claims26
1-14. (canceled)
A cochlear implant electrode assembly for operably connecting to an implantable stimulator unit and having electrode contacts disposed at the distal end thereof for implantation into a cochlea of a patient, the electrode assembly comprising:
- a helix region, adjacent the stimulator unit, containing wires connecting the stimulator unit to the electrode contacts, wherein the wires are wound in a helical arrangement;
- an electrode array comprising an intra-cochlear region containing the electrode contacts and configured to be completely implanted in the cochlea, and a proximal region adjacent the intra-cochlear region and configured to be implanted extra cochlear;
- and
- a transition region contiguous with and disposed between the helix and proximal regions, wherein the length of the transition region has a length of about 5 mm.
A cochlear implant comprising:
- an implantable stimulator unit;
- and
- an electrode assembly operably connected to the stimulator unit and having electrode contacts disposed at the distal end thereof for implantation into a cochlea of a patient, the electrode assembly comprising:
- a helix region, adjacent the stimulator unit, containing wires connecting the stimulator unit to the electrode contacts, wherein the wires are wound in a helical arrangement;
- an electrode array comprising an intra-cochlear region containing the electrode contacts and configured to be completely implanted in the cochlea, and a proximal region adjacent the intra-cochlear region and configured to be implanted extra cochlear;
- and
- a transition region contiguous with and disposed between the helix and proximal regions, wherein the length of the transition region has a length of about 5 mm.
A cochlear implant electrode assembly for operably connecting to an implantable stimulator unit and having electrode contacts disposed at the distal end thereof for implantation into a cochlea of a patient, the electrode assembly comprising:
- a helix region, adjacent the stimulator unit, containing wires connecting the stimulator unit to the electrode contacts, wherein the wires are wound in a helical arrangement;
- and
- an electrode array contiguous with and adjacent to the helix region, the electrode array comprising an intra-cochlear region containing the electrode contacts and configured to be completely implanted in the cochlea, and a proximal region adjacent the intra-cochlear region and configured to be implanted extra cochlear.
Dependencies are inferred from the claim text.