Transducer arrangement for partially or fully implantable hearin

Details Transducer arrangement for partially or fully implantable hearin Transducer arrangement for partially or fully implantable hearin

1999-03-25

2000-12-19

Hindenburg, Max

Surgery

Surgically implanted vibratory hearing aid

H04R 2500

Patent

active

061621692

ABSTRACT:
The invention relates to a transducer for a partially or fully implantable hearing aids for direct mechanical excitation of the middle or inner ear. The transducer is provided with a housing fixedly mounted at the implantation site and a coupling element moveable with respect to the housing for transmitting vibration to the middle ear ossicle or directly to the inner ear. The housing accommodates an electromagnetic component such as a coil which is fixed relative to the housing and a vibratory component such as a permanent magnet which is mechanically connected to the coupling element such that the vibration of the vibratory component is transferred to the coupling element.

REFERENCES:
patent: 3870832 (1975-03-01), Fredrickson
patent: 5277694 (1994-01-01), Leysieffer et al.
patent: 5282858 (1994-02-01), Bisch et al.
patent: 5554096 (1996-09-01), Ball
patent: 5558618 (1996-09-01), Maniglia
patent: 5624376 (1997-04-01), Ball et al.
patent: 5772575 (1998-06-01), Lesinski et al.

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