Hermetically sealed implantable transducer

Details Hermetically sealed implantable transducer Hermetically sealed implantable transducer

1991-06-17

1994-02-01

Green, Randall L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Ear or nose prosthesis

600 25, 381162, 607 57, A61F 218, A61N 100, H04R 2500

Patent

active

052828581

ABSTRACT:
A hermetically sealed acoustic mechanism for an implantable hearing aid system having a signal processing unit having at least one electromechanical transducer coupled to the auditory system of a human. The transducer having an outer casing and at least one moving member extending outside the casing. The invention comprising a hermetically sealed bellows member having two ends and a generally cylindrical side wall. One end of the bellows member being hermetically affixed to the transducer casing and the other end of the bellows member being hermetically affixed to the moving member at a point outside the transducer casing. The side wall having a plurality of corrugations formed therein to allow the moving member to vibrate independently from the transducer casing while providing a hermetic seal protecting the interior of the transducer.

REFERENCES:
patent: 2402392 (1946-06-01), Goldschmidt
patent: 3209082 (1965-09-01), McCarrell et al.
patent: 3602654 (1971-08-01), Victoreen
patent: 4052754 (1977-10-01), Homsy
patent: 4481950 (1984-11-01), Duggan
patent: 4547631 (1985-10-01), Nieuwendijk et al.
patent: 4706689 (1987-11-01), Man
patent: 4762135 (1988-08-01), van der Puije et al.
patent: 4957478 (1990-09-01), Maniglia
patent: 4988333 (1991-01-01), Engebretson et al.
patent: 5015224 (1991-05-01), Maniglia
patent: 5085628 (1992-02-01), Engebretson et al.

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