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本文提出了一种完全植入式的人工耳蜗SoC,采用压电式中耳传感器替代传统外部麦克风,并实现了节能的电刺激方案,解决了传统人工耳蜗依赖外部单元带来的社会污名和使用限制问题。
Konstantina M. Stankovic2,3, Anantha P. Chandrakasan1 Massachusetts Institute of Technology, Cambridge, MA, Harvard Medical School, Boston, MA, 3 Massachusetts Eye and Ear Infirmary, Boston, MA 1 2 A cochlear implant (CI) is a device that electrically stimulates the auditory nerve to restore hearing in people with profound hearing loss. Conventional CIs rely on an external unit comprising a microphone and sound processor to pick up and encode sound. The external unit raises concerns with social stigma and limits usage in the shower or during water sports, motivating the need for a fullyimplantable (i.e., invisible) cochlear implant (FICI). The limited energy storage capacity of the implanted system requires low-power (<1mW total power) sound processing and auditory nerve stimulation to enable operation from an implanted battery that is wirelessly recharged only once daily. Recent state-of-the-art ICs
Marcus Yip1, Rui Jin1, Hideko Heidi Nakajima2,3,