Open fit canal hearing device

Details Open fit canal hearing device Open fit canal hearing device

2011-05-10

2011-05-10

Kuntz, Curtis (Department: 2614)

Electrical audio signal processing systems and devices

Hearing aids, electrical

Specified casing or housing

C381S322000, C381S324000, C181S130000, C181S135000

Reexamination Certificate

active

07940946

ABSTRACT:
An improved hearing aid device adapted for use within the ear canal of the CIC (Completely In the ear) and of the partially exposed ITC (In The Canal) type. This aid consists of a system of integrated parts allowing an air gap to substantially surround the hearing aid shell and air passages which communicate with the inner ear minimizing occlusion sensations and providing the user with an enhanced natural hearing experience. A key aspect of this device is the provision of air passages in the mounting insert which securely positions the hearing aid shell in the wearer's canal. These passages are designed to stay open after insertion of the aid in the ear canal. In use, unamplified sound from the outside passes around the hearing aid shell, through the air passages in the mounting insert blending with the amplified sound emanating from the receiver. The area of air passages in the mounting insert can be tailored by the technician adapting to the hearing loss characteristics of the user. Surprisingly, acoustic feedback is mitigated in spite of the openness of this novel design.

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