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Technical SpecificationsHiRes 90K™ Implant
The Most Advanced Cochlear Implant Technology
The HiRes 90K™ implant features the most advanced sound processing circuitry in the world. Its
sophisticated design provides unsurpassed programming flexibility, nearly unlimited ways to deliver sound,
the industry’s highest case impact resistance1,2, and full upgradeability for access to tomorrow’s innovations
without surgery.
HiRes 90K™ Implant
Electronic Technical SpecificationsInformation Update Rate 90 kHzStimulation Rate Up to 83,000 pps (software limited)Independent Output Circuits 16Spectral Bands Up to 120 sites of stimulation (software limited)Telemetry Bi-directional communication link Forward: 49 MHz (AM) Backward: 10.7 MHz (FM)IntelliLink™ Implant and processor association Diagnostics Neural response imaging, impedance measurements, ESRT, integrity testingADC Resolution Sampling Rate Resolution: 9 bits Sampling Rate: 25 KHz
Stimulation Delivery SpecificationsHiRes-P with Fidelity 120™* (paired), HiRes-S with Fidelity 120™* (sequential)HiRes-P (paired) and HiRes-S (sequential)CIS and MPS modes
Implant Materials and DimensionsTitanium Case 5.5 mm total profile, 2.5 mm above bone profile with 3 mm bone depthHousing 28 mm x 56 mm flexible siliconWeight 12 gramsMagnet Removable for 0.3T and 1.5T MRI scansTelemetry Coil Gold-braided wire and Platinum-shielded wire in flexible silicon Reinforced with high-density polymer fiberGround 2 – Case ground and ring electrode groundImpact resistance value 6 joules1,2
Electrode Technical SpecificationsHiFocus™ Electrodes HiFocus™ 1j (lateral wall electrode) HiFocus Helix™ (peri-modiolar electrode)Electrodes 16 platinum contacts Plantinum–iridium wires Flexible silicon carrier Integrated groundContact Spacing HiFocus 1.1 mm Helix 0.85 mmActive Length HiFocus 17 mm Helix 13.25 mmInsertion Tool YesReloadable Yes
*Not approved for pediatric patients in the United States.
028-M051-03 ©2011 Advanced Bionics, LLC and its affiliates. All rights reserved.
For more information on the HiRes 90K implant,
please visit AdvancedBionics.com
References:
1. Holtkamp V. Cochlear Implants Under Impact Loading. Evaluation of Accident Scenarios, Determination of Load Limits, and Development of a Standardizable Test Procedure. Dissertation accepted by the Senate of Hannover Medical School, May 19, 2004.
2. Cochlear Nucleus CI512 Cochlear Implant Technical Specifications. N33741F Iss1 Jun09.
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